Chapter 1

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Which two statements describe intermediary devices?

1. Intermediary devices connect individual hosts to the network. 2. Intermediary devices direct the path of the data.

What are two functions of end devices on a network?

1. They originate the data that flows through the network. 2. They are the interface between humans and the communication network.

Which two connection options provide an always-on, high-bandwidth Internet connection to computers in a home office?

1. cable 2. DSL

Which two Internet connection options do not require that physical cables be run to the building?

1. cellular 2. satellite

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?

1. easy to create 2. lacks centralized administration 3. less cost to implement

A user is implementing security on a small office network. Which two actions would provide the minimum security requirements for this network?

1. implementing a firewall 2. installing antivirus software

What two criteria are used to help select a network medium from various network media?

1. the distance the selected medium can successfully carry a signal 2. the environment where the selected medium is to be installed

Which statement describes the use of powerline networking technology?

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

Which statement describes a characteristic of cloud computing?

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

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

Which expression accurately defines the term bandwidth?

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

podcast

an audio-based medium that allows people to deliver their recordings to a wide audience

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

What security violation would cause the most amount of damage to the life of a home user?

capturing of personal data that leads to identity theft

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

congestion

A____network is capable of delivering voice, video, text, and graphics over the same communication channels.

coverged

A network administrator is implementing a policy that requires strong, complex passwords. Which data protection goal does this policy support?

data confidentiality

DSL

high bandwidth correction that runs over telephone line

social media

interactive websites where people create and share user-generated content with friends and family

satellite

not suited for heavily wooded areas

ensuring confidentiality

only the intended recipients can access and read the data

instant messaging

real-time communication between two or more people

ensuring availability

the assurance of timely and reliable access to data

maintaining integrity

the assurance that the information has not been altered during transmission

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

the internet

dial up telephone

typically has very low bandwidth

cable

uses coaxial cable as a medium

What type of network traffic requires QoS?

video conferencing

wiki

web pages that groups of people can edit and view together

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?

wireless LAN


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