CCCNA1 chap 1

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.

A device connects to an existing home LAN using an adapter and an existing electrical outlet.

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

A, B, D, G

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.

Applications can be accessed over the Internet by individual users or businesses using any device, anywhere in the world.

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

BYOD

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

DSL; cable

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

DSL; cable

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

DSL; cable

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.

If all circuits are busy, a new call cannot be placed

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.

Intermediary devices direct the path of the data; Intermediary devices connect individual hosts to the network

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.

It provides connections through interconnected global networks.

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

TelePresence

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.

The network provides predictable levels of service to different types of traffic

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.

They direct data along alternate pathways when there is a link failure; They filter the flow of data, based on security settings

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.

They originate the data that flows through the network; They are the interface between humans and the communication network;

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.

WANs connect LANs at slower speed bandwidth than LANs connect their internal end devices; WANs are typically operated through multiple ISPs, but LANs are typically operated by single organizations or individuals

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.

a measure of the data carrying capacity of the media

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

a router

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.

a single network channel capable of delivering multiple communication forms

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.

a state where the demand on the network resources exceeds the available capacity

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

an intranet

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

antivirus software; antispyware software; a firewall

The acronym _____________ refers to the policy that allows employees to use their personal devices in the business office to access the network and other resources.

byod

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

byod

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.

capturing of personal data that leads to identity theft

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

cellular; satellite

Which term describes the state of a network when the demand on the network resources exceeds the available capacity? convergence congestion optimization synchronization

congestion

Fill in the blank. A ______________ network is capable of delivering voice, video, text, and graphics over the same communication channels.

converged

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

data confidentiality

1. 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.) a. better security b. easy to create c. better device performance when acting as both client and server c. lacks centralized administration d. less cost to implement e. scalable

easy to create; lacks centralized administration; less cost to implement

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

ensuring data confidentiality

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

fault tolerances

What are two characteristics of a scalable network? (Choose two.) easily overloaded with increased traffic. grows in size without impacting existing users. is not as reliable as a small network suitable for modular devices that allow for expansion. offers limited number of applications.

grows in size without impacting existing users; suitable for modular devices that allow for expansion

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

implementing a firewall ; installing antivirus software

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.

it delivers data, voice, and video over the same network infrastructure

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

the Internet

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.

the distance the media can successfully carry a signal; the environment where the media is to be installed

What two criteria are used to help select a network medium from various network media? (Choose two.) a. the types of data that need to be prioritized b. the cost of the end devices utilized in the network c. the distance the selected medium can successfully carry a signal d. the number of intermediary devices installed in the network e. the environment where the selected medium is to be installed

the distance the selected medium can successfully carry a signal; the environment where the selected medium is to be installed

What type of network traffic requires QoS? email on-line purchasing video conferencing wiki

video conferencing

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

wireless LAN