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.)
answer
Lacks centralized administration
Less cost to implement
Easy to create
question
What two criteria are used to help select a network medium from various network media? (Choose two.)
answer
the distance the selected medium can successfully carry a signal
the environment where the selected medium is to be installed
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What are two functions of end devices on a network?
answer
They originate the data that flows through the network.
They are the interface between humans and the communication network.
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What type of network must a home user access in order to do online shopping?
answer
the internet
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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?
answer
an intranet
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Which two connection options provide an always-on, high-bandwidth Internet connection to computers in a home office? (Choose two.)
answer
DSL
Cable
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Which term describes the state of a network when the demand on the network resources exceeds the available capacity?
answer
congestion
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What type of network traffic requires QoS?
answer
video conferencing
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Which expression accurately defines the term bandwidth?
answer
a measure of the data carrying capacity of the media
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Which statement describes the use of powerline networking technology?
answer
A device connects to an existing home LAN using an adapter and an existing electrical outlet.
question
What security violation would cause the most amount of damage to the life of a home user?
answer
capturing of personal data that leads to identity theft
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A _________ network is capable of delivering voice, video, text, and graphics over the same communication channels.
answer
converged
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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.
answer
byod
question
Place the options in the following order
answer
podcast: an audio-based medium that allows people to deliver their recordings to a wide audience
social media: interactive websites where people create and share user-generated content with friends and family
wiki: web pages that groups of people can edit and view together
instant messaging: real-time communication between two or more people
question
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answer
DSL is an always-on, high bandwidth connection that runs over telephone lines.
Cable uses the same coaxial cable that carries television signals into the home to provide Internet access.
Dialup telephone is much slower than either DSL or cable, but is the least expensive option for home users because it can use any telephone line and a simple modem.
Satellite requires a clear line of sight and is affected by trees and other obstructions.
None of these typical home options use dedicated leased lines such as T1/E1 and T3/E3.
question
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answer
Data integrity verifies that the data has not been altered on the trip between the sender and the receiver.
A field calculated by the sender is recalculated and verified to be the same by the receiver.
Passwords and authorization maintain control over who has access to personal data.
Redundant devices and links attempt to provide 99.999% availability to users. Integrity is made possible by requiring validation of the sender, not the destination.
VPNs are not the only secure method by which data can be transferred confidentially.
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