CCNA 1 R&S ITN Chapter 3 v5.0 Exam Answers 2014

1. 
Which PDU format is used when bits are received from the network medium by the NIC of a host?
packet
segment
frame
file

2. 
A user sends an HTTP request to a web server on a remote network. During encapsulation for this request, what information is added to the address field of a frame to indicate the destination?
the MAC address of the default gateway
the IP address of the destination host
the MAC address of the destination host
the IP address of the default gateway

3. 
What is a benefit of using a layered model for network communications?
fostering competition among device and software vendors by enforcing the compatibility of their products
avoiding possible incompatibility issues by using a common set of developing tools
enhancing network transmission performance by defining targets for each layer
simplifying protocol development by limiting every layer to one function

4. 
What method can be used by two computers to ensure that packets are not dropped because too much data is being sent too quickly?
flow control
encapsulation
access method
response timeout

5. 
A web client is sending a request for a webpage to a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to prepare the request for transmission?
HTTP, TCP, IP, Ethernet
Ethernet, TCP, IP, HTTP
HTTP, IP, TCP, Ethernet
Ethernet, IP, TCP, HTTP

6. 
Which statement accurately describes a TCP/IP encapsulation process when a PC is sending data to the network?
Packets are sent from the network access layer to the transport layer.
Segments are sent from the transport layer to the internet layer.
Data is sent from the internet layer to the network access layer.
Frames are sent from the network access layer to the internet layer.

7. 
Which protocol is responsible for controlling the size and rate of the HTTP messages exchanged between server and client?
ARP
HTTP
TCP
DHCP

8. 

Launch PT Hide and Save PT

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
Based on the configured network, what IP address would PC1 and PC2 use as their default gateway?
192.168.1.2
10.1.1.1
192.168.1.10
172.16.1.1
192.168.1.1

9.
A computer in a given network is communicating with a specific group of computers. What type of communication is this?
broadcast
HTTP
multicast
unicast
ARP

10. 
What is a function of Layer 4 of the OSI model?
to represent data to the user, including encoding and dialog control
to specify the packet type to be used by the communications
to describe the ordered and reliable delivery of data between source and destination
to apply framing information to the packet, based on the attached media

11. 
What is an advantage of network devices using open standard protocols?
Competition and innovation are limited to specific types of products.
A client host and a server running different operating systems can successfully exchange data.
Network communications is confined to data transfers between devices from the same vendor.
Internet access can be controlled by a single ISP in each market.

12. 
Which IEEE standard enables a wireless NIC to connect to a wireless AP that is made by a different manufacturer?
802.11
802.1
802.3
802.2

13. 
If the default gateway is configured incorrectly on the host, what is the impact on communications?
The host is unable to communicate on the local network.
There is no impact on communications.
The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.
The host can communicate with other hosts on remote networks, but is unable to communicate with hosts on the local network.

14. 
What statement describes the function of the Address Resolution Protocol?
ARP is used to discover the IP address of any host on the local network.
ARP is used to discover the IP address of any host on a different network.
ARP is used to discover the MAC address of any host on a different network.
ARP is used to discover the MAC address of any host on the local network.

15. 
At which layer of the OSI model would a logical address be encapsulated?
transport layer
physical layer
network layer
data link layer

16. 
What is the general term that is used to describe a piece of data at any layer of a networking model?
protocol data unit
segment
frame
packet

17. 
Which statement is true about the TCP/IP and OSI models?​
The first three OSI layers describe general services that are also provided by the TCP/IP internet layer.​
The TCP/IP transport layer and OSI Layer 4 provide similar services and functions.
The TCP/IP network access layer has similar functions to the OSI network layer.​
The OSI Layer 7 and the TCP/IP application layer provide identical functions.

18. 
Which address provides a unique host address for data communications at the internet layer?
Layer 2 address
data-link address
physical address
logical address

19. 
A user is viewing an HTML document located on a web server. What protocol segments the messages and manages the segments in the individual conversation between the web server and the web client?
DHCP
HTTP
ARP
TCP

20. 
Which address does a NIC use when deciding whether to accept a frame?
source MAC address
destination MAC address
source Ethernet address
destination IP address
source IP address

21. 
Match the description to the organization.

22. 
What are proprietary protocols?
protocols that can be freely used by any organization or vendor
protocols developed by organizations who have control over their definition and operation
a collection of protocols known as the TCP/IP protocol suite
protocols developed by private organizations to operate on any vendor hardware

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CCNA 1 R&S ITN Chapter 2 v5.0 Exam Answers 2014

1.

Refer to the exhibit. A switch was configured as shown. A ping to the default gateway was issued, but the ping was not successful. Other switches in the same network can ping this gateway. What is a possible reason for this?

The default gateway address must be 192.168.10.1.
The ip default-gateway command has to be issued in the VLAN interface configuration mode.
The VLAN IP address and the default gateway IP address are not in the same network.
The no shutdown command was not issued for VLAN 1.
The local DNS server is not functioning correctly.

2.
While trying to solve a network issue, a technician made multiple changes to the current router configuration file. The changes did not solve the problem and were not saved. What action can the technician take to discard the changes and work with the file in NVRAM?

Issue the reload command without saving the running configuration.
Close and reopen the terminal emulation software.
Delete the vlan.dat file and reboot the device.
Issue the copy startup-config running-config command.

3.
Why is it important to configure a hostname on a device?

to allow local access to the device through the console port
a Cisco router or switch only begins to operate when its hostname is set
to identify the device during remote access (SSH or telnet)
a hostname must be configured before any other parameters

4.
Which procedure is used to access a Cisco 2960 switch when performing an initial configuration in a secure environment?

Use the console port to locally access the switch from a serial or USB interface of the PC.
Use Secure Shell to remotely access the switch through the network​.
Use Telnet to remotely access the switch through the network.
Use the AUX port to locally access the switch from a serial or USB interface of the PC.

5.
What criterion must be followed in the design of an IPv4 addressing scheme for end devices?

Each local host should be assigned an IP address with a unique network component.
Each IP address must match the address that is assigned to the host by DNS.
Each IP address must be unique within the local network.
Each IP address needs to be compatible with the MAC address.

6.
A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a switch to manage it. Which access method should be chosen?

AUX
SSH
Console
Telnet

7.
Which interface allows remote management of a Layer 2 switch?

the switch virtual interface
the console port interface
the AUX interface
the first Ethernet port interface

8.
What is a result of using the service password-encryption command on a Cisco network device?

All passwords in the configuration are not shown in clear text when viewing the configuration.
The command encrypts the banner message.
The command encrypts the enable mode password.
A network administrator who later logs into the device will be required to enter an administrator password in order to gain access to the Cisco device.

9.
Match the difinitions to their respective CLI hot keys and shortcuts.

Tab -> Completes abbreviated commands and parameters
Ctrl-R -> returns directly to the privileged EXEC mode
Up Arrow -> scrolls backwards through previously entered commands
Ctrl-Z -> cancels any command currently being entered and returns directly to privileged EXEC mode
Ctrl-C -> Redisplays, on a new line, the command currently being typed

10.
A network administrator is planning an IOS upgrade on several of the head office routers and switches. Which three questions must be answered before continuing with the IOS selection and upgrade? (Choose three.)

What models of routers and switches require upgrades?
Do the routers and switches have enough RAM and flash memory for the proposed IOS versions?
What ports are installed on the routers and switches?
Are the devices on the same LAN?
What features are required for the devices?
Do the devices have enough NVRAM to store the IOS image?

11. What benefit does DHCP provide to a network?

Hosts can connect to the network and get an IP address without manual configuration.
Duplicate addresses cannot occur on a network that issues dynamic addresses using DHCP and has static assignments.
DHCP allows users to refer to locations by a name rather than an IP address.
Hosts always have the same IP address and are therefore always reachable.

12.
Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS CLI? (Choose two.)

providing an error message when a wrong command is submitted
allowing the user to complete the remainder of an abbreviated command with the TAB key
displaying a list of all available commands within the current mode
selecting the best command to accomplish a task
determining which option, keyword, or argument is available for the entered command

13.
A router has a valid operating system and a configuration stored in NVRAM. When the router boots up, which mode will display?

global configuration mode
user EXEC mode
setup mode
ROM monitor mode

14.
Which two features are characteristics of flash memory? (Choose two.)

Flash receives a copy of the IOS from RAM when a device is powered on.
Flash provides nonvolatile storage.
The contents of flash may be overwritten.
Flash is a component in Cisco switches but not in Cisco routers.
The contents of flash may be lost during a power cycle.

15.
Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)

boot IOS mode
Ethernet interface
privileged EXEC mode
VTY interface
console interface
router configuration mode

16.
Why would a Layer 2 switch need an IP address?

to enable the switch to send broadcast frames to attached PCs
to enable the switch to function as a default gateway
to enable the switch to receive frames from attached PCs
to enable the switch to be managed remotely

17.
What is a user trying to determine when issuing a ping 10.1.1.1 command on a PC?
if there is connectivity with the destination device
what type of device is at the destination
if the TCP/IP stack is functioning on the PC without putting traffic on the wire
the path that traffic will take to reach the destination

18.
What command can be used on a Windows PC to see the IP configuration of that computer?
ping
show interfaces
show ip interface brief
ipconfig

19.
Which statement is true about the running configuration file in a Cisco IOS device?
It should be deleted using the erase running-config command.
It is automatically saved when the router reboots.
It affects the operation of the device immediately when modified.
It is stored in NVRAM.

20.
Match the description to the common IOS CLI access method.

21.
Which two characters are allowed as part of the hostname of a Cisco device? (Choose two.)
tab
space
question mark
numbers
underline

22.
A new network administrator has been asked to enter a banner message on a Cisco device. What is the fastest way a network administrator could test whether the banner is properly configured?
Power cycle the device.
Enter CTRL-Z at the privileged mode prompt.
Exit global configuration mode.
Exit enable mode and press Enter.
Reboot the device.

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CCNA 1 R&S ITN Chapter 1 v5.0 Exam Answers 2014

1. Which two Internet solutions provide an always-on, high-bandwidth connection to computers on a LAN? (Choose two.)

cellular
DSL
satellite
cable
dial-up telephone

2. What type of network must a home user access in order to do online shopping?

a local area network
the Internet
an extranet
an intranet

3. What are two functions of intermediary devices on a network? (Choose two.)

They are the primary source and providers of information and services to end devices.
They form the interface between the human network and the underlying communication network.
They direct data along alternate pathways when there is a link failure.
They run applications that support collaboration for business.
They filter the flow of data, based on security settings.

4. Fill in the blank.

The acronym “BYOD” refers to the trend of end users being able to use their personal devices to access the business network and resources.

5. Which description correctly defines a converged network?

a network that allows users to interact directly with each other over multiple channels
a network that is limited to exchanging character-based information
a dedicated network with separate channels for video and voice services
a single network channel capable of delivering multiple communication forms

6.
Drag and drop
Match each characteristic to its corresponding internet conectivity type.

satellite -> Not suited for heavily wooded areas
dialup telephone -> typically has very low bandwidth
DSL -> splits the access line into three signals
cable -> uses coaxial cable as a medium

7.
Drag and drop
Match the form of network communication with its description.

Web pages that groups of people can edit and view together -> wiki
Interactive websites where people created and share user-generated content with friends and family -> Social media
real-time communication of between two or more people -> instant messaging
an audio-based medium that allows people to deliver their recordings to a wide audience -> podcast

8. Drag and drop
Match each definition to the corresponding security goal:

maintaining integrity -> the assurance that the information has not been altered during transmissionensuring confidentiality -> only the intended recipients can access and read the data
ensuring availability -> the assurance of timely and reliable access to data

9. Which statement describes a characteristic of cloud computing?

A business can connect directly to the Internet without the use of an ISP.
Devices can connect to the Internet through existing electrical wiring.
Investment in new infrastructure is required in order to access the cloud.
Applications can be accessed over the Internet through a subscription.

10. Which two Internet connection options do not require that physical cables be run to the building? (Choose two.)

cellular
dialup
satellite
DSL
dedicated leased line

11. What is a characteristic of circuit-switched networks?

A single message can be broken into multiple message blocks that are transmitted through multiple circuits simultaneously.
If all circuits are busy, a new call cannot be placed.
If a circuit fails, the call will be forwarded on a new path.

Circuit-switched networks can dynamically learn and use redundant circuits.

12. Requiring strong, complex passwords is a practice that supports which network security goal?

maintaining communication integrity
ensuring redundancy
ensuring data confidentiality
ensuring reliability of access

13. What two criteria are used to help select network media? (Choose two.)

the distance the media can successfully carry a signal
the environment where the media is to be installed 
the cost of the end devices utilized in the network
the number of intermediary devices installed in the network
the types of data that need to be prioritized

14. Which statement describes a network that supports QoS?

Data sent over the network is not altered in transmission.
The fewest possible devices are affected by a failure.
The network provides predictable levels of service to different types of traffic.
The network should be able to expand to keep up with user demand.

15.

Refer to the exhibit. Which set of devices contains only intermediary devices?

A, B, E, F
A, B, D, G
G, H, I, J
C, D, G, I

16. Which device performs the function of determining the path that messages should take through internetworks?

a web server
a DSL modem
a router
a firewall

17. Which tool provides real-time video and audio communication over the Internet so that businesses can conduct corporate meetings with participants from several remote locations?

wiki
instant messaging
weblog
TelePresence

18. Which two statements about the relationship between LANs and WANs are true? (Choose two.)

Both LANs and WANs connect end devices.
WANs are typically operated through multiple ISPs, but LANs are typically operated by single organizations or individuals.
WANs connect LANs at slower speed bandwidth than LANs connect their internal end devices.
The Internet is a WAN.
WANs must be publicly-owned, but LANs can be owned by either public or private entities.

19. Which three network tools provide the minimum required security protection for home users? (Choose three.)

antivirus software
antispyware software
an intrusion prevention system
powerline networking
a firewall
access control lists

20. Which area of the network would a college IT staff most likely have to redesign as a direct result of many students bringing their own tablets and smartphones to school to access school resources?

intranet
wired LAN
wireless LAN
extranet
wireless WAN

21. Which expression accurately defines the term congestion?

a method of limiting the impact of a hardware or software failure on the network
a set of techniques to manage the utilization of network resources
a state where the demand on the network resources exceeds the available capacity
a measure of the data carrying capacity of the network

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DHomesb Final Exam CCNA Discovery 1 4.0 2012 100% Take Assessment – DHomesb Final Exam – CCNA Discovery: Networking for Home and Small Businesses (Version 4.0) – Answers – 2011 – 2012

1. Which three statements are true about local and network applications? (Choose three.)
A local application is loaded in a local computer and can be accessed by a remote computer on the network.
A network application is loaded in a local computer and accessed from a remote computer.
A local application is loaded in a local computer and accessed only by the local computer.
A network application is loaded in a local computer and accessed only by the local computer.
An example of a local application is e-mail.
An example of a network application is instant messaging.

2. A wireless DHCP client cannot connect to the Internet through a Linksys integrated router. When you type ipconfig on the host, no IP address, subnet mask, or default gateway shows. What are two of the first things you will check? (Choose two.)
SSID
if the wireless client is configured for DHCP
the cable between client and integrated router
the firewall configuration on the integrated router
if the correct default gateway is configured on the client
if the correct default gateway is configured on the integrated router

3. Refer to the graphic. Assume that the command output is from a wireless DHCP client that is connected to a Linksys integrated router. What can be deduced from the output?
The wireless connection is good.
The WEP key or SSID needs to be checked.
The DHCP configuration on the router needs to be checked.
The wireless NIC driver or the NIC itself needs to be reinstalled.

4. What measurement is commonly used to describe communication speed when transferring data?
bps
cps
Hz
MB

5. What is an accurate description of network devices in the distribution layer?
They are designed to interconnect individual hosts.
They are designed to interconnect multiple companies.
They are designed to interconnect local network segments.
They are designed to switch data packets as fast as possible.

6. When acting as a DHCP server, an integrated router can provide what three types of information to a client? (Choose three.)
physical address
MAC address
default gateway
static IP address
dynamic IP address
DNS server address

7. Where do ISPs get the public addresses that they assign to end users?
ISPs create the addresses themselves.
ISPs are assigned addresses through the RFC.
ISPs obtain their addresses automatically.
ISPs obtain address blocks from registry organizations.

8. Refer to the graphic. What is the effect of setting the security mode to WEP on the Linksys integrated router?
It identifies the wireless LAN.
It allows the access point to inform clients of its presence.
It translates IP addresses into easy-to-remember domain names.
It encrypts data between the wireless client and the access point.
It ensures that only authorized users are allowed access to the WLAN.
It translates an internal address or group of addresses into an outside, public address.

9. When are leased lines typically used?
when low bandwidth is required
for home and small business connectivity
when a dedicated digital data line is necessary
as a less expensive option to cable and DSL modem service

10. Which wireless protocol is used for encryption?
EAP
Open
PSK
WEP

11. The area covered by a single AP is known as what?
ad-hoc network
basic service set
independent basic service set
extended service set
distribution system

12. Which installation option should be chosen when the current operating system is too damaged to work properly?
upgrade
multi-boot
clean install
virtualization

13. What layer is the first point of entry for a host into the network?
core layer
access layer
network layer
distribution layer

14. What two commands can be used to form a new binding if client information does not agree with the DHCP client table? (Choose two.)
ipconfig /release
ipconfig /all
ipconfig /flushdns
ipconfig /renew
ipconfig

15. What are two advantages of purchasing a custom-built computer? (Choose two.)
usually a lower cost
no waiting period for assembly
user can specify higher performance components
supports higher-end graphics and gaming applications
fewer components to replace

16. What information within a data packet does a router use, by default, to make forwarding decisions?
the destination MAC address
the destination IP address
the destination host name
the destination service requested

17. What is a service pack?
an access policy
an agreement between a company and a vendor
a piece of code created to fix one specific problem
a collection of patches and updates released by a vendor
a small piece of software designed specifically for security issues

18. What is an ISP?
It is a standards body that develops cabling and wiring standards for networking.
It is a protocol that establishes how computers within a local network communicate.
It is an organization that allows individuals and businesses to connect to the Internet.
It is a networking device that combines the functionality of several different networking devices in one.

19. Which two statements correctly describe Media Access Control (MAC) addresses? (Choose two.)
MAC addresses are used to identify a specific NIC.
MAC addresses are physical addresses.
MAC addresses contain a network number and unique host identification.
MAC addresses are always assigned to network devices by a network administrator.
MAC addresses can be dynamically assigned.

20. What is the name for the contract between a customer and an ISP that specifies requirements for uptime and service response time?
DSL
IAB
NAP
SLA

21. What are two ways that a user can interact with an operating system shell? (Choose two.)
CLI
OS
GUI
NIC
kernel

22. Select the connection that would require a straight-through cable.
a switch to a hub
a router to a switch
a switch to a switch
a router to a router

23. Choose the option that shows the correct sequence of steps in the encapsulation of TCP/IP data that is passed from a source to a destination host?
A. converts data to bits for transmission
B. packages the data for end to end transport
C. adds the data-link header and trailer
D. adds the network IP address to the header of the frame
A,B,C,D
A,C,D,B
B,D,C,A
B,C,D,A
D,C,B,A

24. What is specified by the network number in an IP address?
the network to which the host belongs
the physical identity of the computer on the network
the node of the subnetwork which is being addressed
the broadcast identity of subnetwork

25. Refer to the graphic. What is the purpose of assigning a Network Name of Academy?
It identifies the wireless LAN.
It translates IP addresses into easy-to-remember domain names.
It encrypts data between the wireless client and the access point.
It allows access to the AP configuration GUI by name rather than address.
It translates an internal address or group of addresses into an outside, public address.

26. Which of the following statements best describes DNS?
DNS servers are used to map an IP address to a physical address.
DNS servers are used to map a name to an IP address.
DNS servers are used to configure logical address information for host computers.
DNS servers are used to translate from private addresses to public addresses.

27. Which of the following are the address ranges of the private IP addresses? (Choose three.)
10.0.0.0 to 10.255.255.255
200.100.50.0 to 200.100.25.255
150.150.0.0 to 150.150.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255
127.16.0.0 to 127.31.255.255

28. Which protocol is used to transfer files among network devices and perform file-management functions?
DNS
FTP
HTML
HTTP

29. Select three statements that correctly describe how DHCP services may be provided. (Choose three.)
An integrated router provides IP configurations for most ISPs.
An integrated router can act as both DHCP server and DHCP client.
A home PC using a static IP address obtained that address from a DHCP server.
Most home network integrated routers receive an IP configuration directly from their ISP.
A variety of devices can act as DHCP servers, as long as they run DHCP service software.
A home PC is required by standards to obtain an IP address and default gateway from a DHCP server (usually the ISP).

30. Refer to the graphic. Based on the information that is shown, what statement is true?
This configuration would be commonly found in an ad hoc wireless network.
Any wireless client that is attached to this access point would have the same IP address and SSID.
All wireless devices that are connected to this access point must have an assigned SSID of Academy.
In addition to accepting wireless client requests, this access point must connect to the wired network.

31. Identify two causes of physical layer network problems. (Choose two.)
logical addressing issues
improperly terminated cables
cables plugged into wrong ports
incorrect MAC address assigned
packets received out of sequence
incorrect subnet mask on an interface

32. Which part of the electromagnetic spectrum is commonly used to exchange data between a PDA and a computer?
FM
radar
infrared
ultraviolet

33. Which of the following are transport layer protocols of the TCP/IP model? (Choose two.)
FTP
UDP
SMTP
TFTP
TCP

34. For the second time in a week, workstations on a LAN are not able to log into the server. The technician fixed the problem the first time, but cannot remember the steps taken to solve it. What aspect of the troubleshooting process has the technician neglected?
identifying the problem
asking end-users questions
documenting the troubleshooting process
using structured techniques to solve a problem

35. What action will a router take when it receives a frame with a broadcast MAC address?
It will not forward the frame to another network.
It forwards the frame back to the sending host with its IP address as a response.
It forwards the frame out of all interfaces except the interface where the frame was received.
It forwards the frame back out the receiving interface to insure all hosts on the local network receive it.

36. A network host is accessing a web server. What two protocols are most likely being used as the TCP/IP model application layer protocol and the internetwork layer protocol? (Choose two.)
IP
FTP
TCP
DHCP
HTTP

37. Which statement is true concerning stateful packet inspection?
Access is permitted based on IP addresses of the source and destination devices.
Access is permitted based on the MAC addresses of the source and destination devices.
Access is permitted only if the type of application that is attempting to reach the internal host is allowed.
Access is permitted only if it is a legitimate response to a request from an internal host.

38. What does the term “attenuation” mean in data communication?
loss of signal strength as distance increases
time for a signal to reach its destination
leakage of signals from one cable pair to another
strengthening of a signal by a networking device

39. What is the default subnet mask for a class B address?
255.0.0.0
255.255.0.0
255.255.255.0
255.255.255.255

40. Refer to the graphic. Based on the configuration information that is shown, which three types of 802.11 networks are allowed access to the WLAN? (Choose three.)
802.11a
802.11b
802.11e
802.11g
802.11n
802.11x

41. Within a local network, which two items must be unique on a computer for it to successfully connect to the network? (Choose two.)
IP address
subnet mask
computer name
default gateway address
operating system version

42. When considering the purchase of a new operating system, what is meant by “Total Cost of Ownership?”
applications and support costs
hardware and support costs
hardware and software costs
hardware, software, and support costs
hardware, operating system, and applications costs

43. A computer joins the network and announces itself to all hosts on the LAN. What type of message does the computer send out?
broadcast
simulcast
multicast
unicast

44. Refer to the graphic. What feature can be installed on the Linksys integrated router to convert private IP addresses to Internet-routable addresses?
authentication
DHCP
encryption
firewall
NAT
WEP

45. When terminating UTP cabling, why is it important to untwist only a small amount of each wire pair?
minimizes crosstalk
makes installation faster
ensures wires are in correct order
makes it easier to fit wires into connector

46. A host sent a message that all other hosts on the local network received and processed. What type of domain are all these hosts a part of?
local domain
multicast domain
collision domain
broadcast domain

47. Your school network blocks all websites related to online gaming. What type of security policy is being applied?
identification and authentication
remote access
acceptable use
incident handling

48. Refer to the graphic. Assume that the exhibited output is from a host that is connected to a Linksys integrated router. What is one of the first things you should check?
IP address on the host
IP address on the router
subnet mask on the host
default gateway on the host
link status LED on the front of the router

49. The transmit pins are disconnected and only the receive pins are used.
The transmit pins are disconnected and only the receive pins are used.
The transmit pins on one device are connected to the transmit pins on the other device.
The receive pins on one device are connected to the receive pins on the other device.
The transmit pins on one device are connected to the receive pins on the other device.

50. What are two examples of storage peripheral devices? (Choose two.)
printer
flash drive
headphones
external DVD
barcode reader

51. What are the two possible values for a digital bit? (Choose two.)
0
1
A
F
#
9

52. What type of computer would most likely use a docking station?
laptop
server
desktop
mainframe
workstation

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DHomesb Chapter 8 CCNA Discovery 1 4.0 2012 100% Take Assessment – DHomesb Chapter 8 – CCNA Discovery: Networking for Home and Small Businesses (Version 4.0) – Answers – 2011 – 2012

1. Identify three techniques used in social engineering. (Choose three.)
fishing
vishing
phishing
spamming
pretexting
junk mailing

2. During a pretexting event, how is a target typically contacted?
by e-mail
by phone
in person
through another person

3. While surfing the Internet, a user notices a box claiming a prize has been won. The user opens the box unaware that a program is being installed. An intruder now accesses the computer and retrieves personal information. What type of attack occurred?
worm
virus
Trojan horse
denial of service

4. What is a major characteristic of a Worm?
malicious software that copies itself into other executable programs
tricks users into running the infected software
a set of computer instructions that lies dormant until triggered by a specific event
exploits vulnerabilities with the intent of propagating itself across a network

5. A flood of packets with invalid source-IP addresses requests a connection on the network. The server busily tries to respond, resulting in valid requests being ignored. What type of attack occurred?
Trojan horse
brute force
ping of death
SYN flooding

6. What type of advertising is typically annoying and associated with a specific website that is being visited?
adware
popups
spyware
tracking cookies

7. What is a widely distributed approach to marketing on the Internet that advertises to as many individual users as possible via IM or e-mail?
brute force
spam
spyware
tracking cookies

8. What part of the security policy states what applications and usages are permitted or denied?
identification and authentication
remote access
acceptable use
incident handling

9. Which statement is true regarding anti-virus software?
Only e-mail programs need to be protected.
Only hard drives can be protected.
Only after a virus is known can an anti-virus update be created for it.
Only computers with a direct Internet connection need it.

10. Which two statements are true concerning anti-spam software? (Choose two.)
Anti-spam software can be loaded on either the end-user PC or the ISP server, but not both.
When anti-spam software is loaded, legitimate e-mail may be classified as spam by mistake.
Installing anti-spam software should be a low priority on the network.
Even with anti-spam software installed, users should be careful when opening e-mail attachments.
Virus warning e-mails that are not identified as spam via anti-spam software should be forwarded to other users immediately.

11. What term is used to describe a dedicated hardware device that provides firewall services?
server-based
integrated
personal
appliance-based

12. Which acronym refers to an area of the network that is accessible by both internal, or trusted, as well as external, or untrusted, host devices?
SPI
DMZ
ISR
ISP

13. Which statement is true about port forwarding within a Linksys integrated router?
Only external traffic that is destined for specific internal ports is permitted. All other traffic is denied.
Only external traffic that is destined for specific internal ports is denied. All other traffic is permitted.
Only internal traffic that is destined for specific external ports is permitted. All other traffic is denied.
Only internal traffic that is destined for specific external ports is denied. All other traffic is permitted.

14. To which part of the network does the wireless access point part of a Linksys integrated router connect?
DMZ
external
internal
a network other than the wired network

15. Refer to the graphic. What is the purpose of the Internet Filter option of Filter IDENT (Port 113. on the Linksys integrated router?
to require a user ID and password to access the router
to prevent outside intruders from attacking the router through the Internet
to require a pre-programmed MAC address or IP address to access the router
to disable tracking of internal IP addresses so they cannot be spoofed by outside devices

16. What statement is true about security configuration on a Linksys integrated router?
A DMZ is not supported.
The router is an example of a server-based firewall.
The router is an example of an application-based firewall.
Internet access can be denied for specific days and times.

17. What environment would be best suited for a two-firewall network design?
a large corporate environment
a home environment with 10 or fewer hosts
a home environment that needs VPN access
a smaller, less congested business environment

18. What is one function that is provided by a vulnerability analysis tool?
It provides various views of possible attack paths.
It identifies missing security updates on a computer.
It identifies wireless weak points such as rogue access points.
It identifies all network devices on the network that do not have a firewall installed.
It identifies MAC and IP addresses that have not been authenticated on the network.

19. Many best practices exist for wired and wireless network security. The list below has one item that is not a best practice. Identify the recommendation that is not a best practice for wired and wireless security.
Periodically update anti-virus software.
Be aware of normal network traffic patterns.
Periodically update the host operating system.
Activate the firewall on a Linksys integrated router.
Configure login permissions on the integrated router.
Disable the wireless network when a vulnerability analysis is being performed.

20. What best practice relates to wireless access point security?
activation of a popup stopper
a change of the default IP address
an update in the antivirus software definitions
physically securing the cable between the access point and client

21. Refer to the graphic. In the Linksys Security menu, what does the SPI Firewall Protection option Enabled provide?
It prevents packets based on the application that makes the request.
It allows packets based on approved internal MAC or IP addresses.
It requires that packets coming into the router be responses to internal host requests.
It translates an internal address or group of addresses into an outside, public address.

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DHomesb Chapter 9 CCNA Discovery 1 4.0 2012 100% Take Assessment – DHomesb Chapter 9 – CCNA Discovery: Networking for Home and Small Businesses (Version 4.0) – Answers – 2011 – 2012

1. What should a network administrator do first after receiving a call from a user who cannot access the company web server?
Reboot the web server.
Replace the NIC of the computer.
Ask the user to log off and log on again.
Ask the user what URL has been typed and what error message displays.

2. A customer called the cable company to report that the Internet connection is unstable. After trying several configuration changes, the technician decided to send the customer a new cable modem to try. What troubleshooting technique does this represent?
top-down
bottom-up
substitution
trial-and-error
divide-and-conquer

3. Only one workstation on a particular network cannot reach the Internet. What is the first troubleshooting step if the divide-and-conquer method is being used?
Check the NIC, and then check the cabling.
Check the workstation TCP/IP configuration.
Test all cables, and then test layer by layer up the OSI model.
Attempt to Telnet, and then test layer by layer down the OSI model.

4. Which two troubleshooting techniques are suitable for both home networks and large corporate networks? (Choose two.)
having a backup ISR
running network monitoring applications
documenting the troubleshooting process
keeping a record of system upgrades and software versions
keeping spare switches, routers, and other equipment available

5. Identify two physical-layer network problems. (Choose two.)
hardware failure
software configuration
devices not able to ping
loose cable connections
device driver configuration

6. Which ipconfig command requests IP configuration from a DHCP server?
ipconfig
ipconfig /all
ipconfig /renew
ipconfig /release

7. What command is used to determine the location of delay for a packet traversing the Internet?
ipconfig
netstat
nslookup
ping
tracert

8. What command is used to determine if a DNS server is providing name resolution?
ipconfig
netstat
nslookup
tracert

9. Which troubleshooting method begins by examining cable connections and wiring issues?
top-down
bottom-up
substitution
divide-and-conquer

10. A technician suspects that a Linksys integrated router is the source of a network problem. While troubleshooting, the technician notices a blinking green activity LED on some of the ports. What does this indicate?
Self-diagnostics have not completed.
The power supply is the source of the problem.
The ports are operational and are receiving traffic.
The ports are operational, but no traffic is flowing.
There are no cables plugged into those ISR ports.
The ports have cables plugged in, but they are not functional.

11. A PC is plugged into a switch and is unable to connect to the network. The UTP cable is suspected. What could be the problem?
A straight-through cable is being used
The connectors at both ends of the cable are RJ-45.
The RJ-45 connectors are crimped onto the cable jacket.
A crossover cable is being used.

12. Refer to the graphic. What configuration is incorrect in the network shown?
The host IP address is incorrect.
The host subnet mask is incorrect.
The host default gateway is incorrect.
The wired connection is the wrong type of cable.
The Linksys integrated router does not support wireless.

13. Which three settings must match on the client and access point for a wireless connection to occur? (Choose three.)
SSID
authentication
MD5 checksum
antennae type
encryption key
MAC address filters

14. A technician is troubleshooting a security breach on a new wireless access point. Which three configuration settings make it easy for hackers to gain access? (Choose three.)
configuring NAT
broadcasting the SSID
using open authentication
enabling MAC address filters
using the default internal IP address
using DHCP to provide IP addresses

15. Refer to the graphic. The wireless host cannot access the Internet, but the wired host can. What is the problem?
The host WEP key is incorrect.
The host IP address is incorrect.
The host subnet mask is incorrect.
The host default gateway is incorrect.
The integrated router internal IP address is incorrect.
The integrated router Internet IP address is incorrect.

16. Refer to the graphic. What configuration is incorrect in the network shown?
The host IP address is incorrect.
The host subnet mask is incorrect.
The host default gateway is incorrect.
The wired connection is the wrong type of cable.
The Linksys integrated router does not support wireless.

17. When acting as a DHCP server, what three types of information can an ISR provide to a client? (Choose three.)
physical address
MAC address
default gateway
static IP address
dynamic IP address
DNS server address

18. What two items could be checked to verify connectivity between the router and the ISP? (Choose two.)
router status page
wireless card settings
router operating system version
local host operating system version
connectivity status as indicated by LEDs

19. A technician is unsuccessful in establishing a console session between a PC and a Linksys integrated router. Both devices have power, and a cable is connected between them. Which two troubleshooting steps could help to diagnose this problem? (Choose two.)
Ensure the correct cable is used.
Ensure the SSID is the same on both devices.
Ensure both devices have the same IP address.
Ensure both devices have different subnet masks.
Ensure the encryption type on both devices match.
Ensure the link status LED on the integrated router is lit.

20. Network baselines should be performed in which two situations? (Choose two.)
after the network is installed and running optimally
after a virus outbreak is discovered on the network
after major changes are implemented on the network
after several computers are added to the network
at the end of the work week

21. Typically, help desk personnel assist end users in which two tasks? (Choose two.)
identifying when the problem occurred
determining if other users are currently logged into the computer
updating network diagrams and documentation
implementing the solution to the problem
running a network baseline test
determining the cost of fixing the problem

22. How does remote-access software help in the troubleshooting process?
Remote access uses a live chat feature.
Users have to be present so that they can view LEDs and change cables if necessary.
Diagnostics can be run without a technician being present at the site.
FAQs can be consulted more easily.

23. Which two items should be added to the documentation following a troubleshooting event? (Choose two.)
final resolution
repetitive measures
number of people involved in the problem
accurate current network infrastructure diagrams
results of successful and unsuccessful troubleshooting steps

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