- A company is contemplating whether to use a client/server or a peer-to-peer network. What are three characteristics of a peer-to-peer network? (Choose three.)
- better security
- easy to create*
- better device performance when acting as both client and server
- lacks centralized administration *
- less cost to implement*
- scalable
- Which device performs the function of determining the path that messages should take through internetworks?
- a router*
- a firewall
- a web server
- a DSL modem
- What two criteria are used to help select a network medium from various network media? (Choose two.)
- the types of data that need to be prioritized
- the cost of the end devices utilized in the network
- the distance the selected medium can successfully carry a signal*
- the number of intermediary devices installed in the network
- the environment where the selected medium is to be installed*
- Which two statements describe intermediary devices? (Choose two.)
- Intermediary devices generate data content.
- Intermediary devices alter data content.
- Intermediary devices direct the path of the data. *
- Intermediary devices connect individual hosts to the network.*
- Intermediary devices initiate the encapsulation process.
- What are two functions of end devices on a network? (Choose two.)
- They originate the data that flows through the network.*
- They direct data over alternate paths in the event of link failures.
- They filter the flow of data to enhance security.
- They are the interface between humans and the communication network.*
- They provide the channel over which the network message travels.
- 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?
- extranet
- intranet
- wired LAN
- wireless LAN*
- wireless WAN
- An employee at a branch office is creating a quote for a customer. In order to do this, the employee needs to access confidential pricing information from internal servers at the Head Office. What type of network would the employee access?
- an intranet*
- the Internet
- an extranet
- a local area network
- Which two connection options provide an always-on, high-bandwidth Internet connection to computers in a home office? (Choose two.)
- cellular
- DSL*
- satellite
- cable*
- dial-up telephone
- Which two Internet connection options do not require that physical cables be run to the building? (Choose two.)
- DSL
- cellular*
- satellite*
- dialup
- dedicated leased line
- Which term describes the state of a network when the demand on the network resources exceeds the available capacity?
- convergence
- congestion*
- optimization
- synchronization
- Which expression accurately defines the term bandwidth?
- a method of limiting the impact of a hardware or software failure on the network
- a measure of the data carrying capacity of the media*
- a state where the demand on the network resources exceeds the available capacity
- a set of techniques to manage the utilization of network resources
- Which networking trend involves the use of personal tools and devices for accessing resources on a business or campus network?
- video conferencing
- cloud computing
- BYOD*
- powerline networking
- What is a characteristic of a converged network?
- it provides only one path between the source and destination of a message
- it limits the impact of a failure by minimizing the number of devices affected
- it delivers data, voice, and video over the same network infrastructure*
- A converged network requires a separate network infrastructure for each type of communication technology
- Which statement describes a characteristic of cloud computing?
- A business can connect directly to the Internet without the use of an ISP.
- Applications can be accessed over the Internet by individual users or businesses using any device, anywhere in the world.*
- Devices can connect to the Internet through existing electrical wiring.
- Investment in new infrastructure is required in order to access the cloud.
- Which statement describes the use of powerline networking technology?
- New “smart” electrical cabling is used to extend an existing home LAN.
- A home LAN is installed without the use of physical cabling.
- A device connects to an existing home LAN using an adapter and an existing electrical outlet.*
- Wireless access points use powerline adapters to distribute data through the home LAN.
- What security violation would cause the most amount of damage to the life of a home user?
- denial of service to your email server
- replication of worms and viruses in your computer
- capturing of personal data that leads to identity theft*
- spyware that leads to spam emails
- A user is implementing security on a small office network. Which two actions would provide the minimum security requirements for this network? (Choose two.)
- implementing a firewall*
- installing a wireless network
- installing antivirus software*
- implementing an intrusion detection system
- adding a dedicated intrusion prevention device
- Fill in the blank.
A converged network is capable of delivering voice, video, text, and graphics over the same communication channels.
- Fill in the blank.
The acronym byod refers to the policy that allows employees to use their personal devices in the business office to access the network and other resources. - 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 run applications that support collaboration for business.
- 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 filter the flow of data, based on security settings.*
- Match the description to the form of network communication. (Not all options are used.
Place the options in the following order:
an audio-based medium that allows people to deliver their recordings to a wide audience –> podcast
interactive websites where people create and share user-generated content with friends and family –> social media
web pages that groups of people can edit and view together –> wiki
real-time communication between two or more people –> instant messaging - Match each characteristic to its corresponding internet conectivity type. (Not all options are used)
Place the options in the following order:
high bandwidth connection that runs over telephone line -> 1
typically has very low bandwidth -> 2
not suited for heavily wooded areas -> 3
uses coaxial cable as a medium -> 4 - What is the Internet?
- It is a network based on Ethernet technology.
- It provides network access for mobile devices.
- It provides connections through interconnected global networks.*
- It is a private network for an organization with LAN and WAN connections.
- Match the definition to the security goal. (Not all options are used.)
ensuring confidentiality -> only the intended recipients can access and read the data
maintaining integrity -> the assurance that the information has not been altered during transmission
ensuring availability -> the assurance of timely and reliable access to data
- What type of network must a home user access in order to do online shopping?
- an intranet
- the Internet*
- an extranet
- a local area network
- What type of network traffic requires QoS?
- on-line purchasing
- video conferencing*
- wiki
- A network administrator is implementing a policy that requires strong, complex passwords. Which data protection goal does this policy support?
- data integrity
- data quality
- data confidentiality*
- data redundancy
Older Version
- Refer to the exhibit. Which set of devices contains only intermediary devices?
- A, B, D, G*
- A, B, E, F
- C, D, G, I
- G, H, I, J
- Which two statements about the relationship between LANs and WANs are true? (Choose two.)
- Both LANs and WANs connect end devices.
- WANs connect LANs at slower speed bandwidth than LANs connect their internal end devices.*
- LANs connect multiple WANs together.
- WANs must be publicly-owned, but LANs can be owned by either public or private entities.
- WANs are typically operated through multiple ISPs, but LANs are typically operated by single organizations or individuals.*
- Which two Internet solutions provide an always-on, high-bandwidth connection to computers on a LAN? (Choose two.) 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
- Which description correctly defines a converged network?
- a single network channel capable of delivering multiple communication forms*
- a network that allows users to interact directly with each other over multiple channels
- a dedicated network with separate channels for video and voice services
- a network that is limited to exchanging character-based information
- Which statement describes a network that supports QoS?
- The fewest possible devices are affected by a failure.
- The network should be able to expand to keep up with user demand.
- The network provides predictable levels of service to different types of traffic.*
- Data sent over the network is not altered in transmission.
- What is a characteristic of circuit-switched networks?
- 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.
- A single message can be broken into multiple message blocks that are transmitted through multiple circuits simultaneously.
- Which expression accurately defines the term congestion?
- a method of limiting the impact of a hardware or software failure on the network
- a measure of the data carrying capacity of the network
- a state where the demand on the network resources exceeds the available capacity*
- a set of techniques to manage the utilization of network resources
- 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
- weblog
- TelePresence*
- instant messaging
- Requiring strong, complex passwords is a practice that supports which network security goal?
- maintaining communication integrity
- ensuring reliability of access
- ensuring data confidentiality*
- ensuring redundancy
- Which three network tools provide the minimum required security protection for home users? (Choose three.)
- an intrusion prevention system
- antivirus software *
- antispyware software*
- access control lists
- a firewall*
- powerline networking
- 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
- 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
- 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. - A college is building a new dormitory on its campus. Workers are digging in the ground to install a new water pipe for the dormitory. A worker accidentally damages a fiber optic cable that connects two of the existing dormitories to the campus data center. Although the cable has been cut, students in the dormitories only experience a very short interruption of network services. What characteristic of the network is shown here?
- quality of service (QoS)
- scalability
- security
- fault tolerance *
- integrity
