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ITN Chapter 1 Exam Questions And 100% Correct Answers
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ITN Chapter 1 Exam Questions And 100% Correct AnswersMatch each characteristic with the appropriate form of Internet connectivity. (Not all
options are used.) - Solution DSL: Always on, high Bandwidth connection that runs over
telephone line.
Dialup Telephone: Typically has very low bandwidth
Satellite: Not suited for heavily wooded areas.
Cable: Uses coaxial cable as medium
Explanation:
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 deliver
Internet access. Dialup telephone is much slower than either DSL or cable but is the
cheapest option for home users as it can utilize any phone line and a simple modem.
Satellite requires a line of sight and is interfered by trees and other barriers. None of
these popular residential options employs dedicated leased lines like T1/E1 and T3/E3
What would be the type of security breach that could cause maximum damage to a
residential customer's life? - thieves of personal information regarding an individual's
identity theft
Explanation:
Less severe but still seriously annoying, invasive, and frustrating are the denial of
service to servers, worms and viruses, and spyware producing spam emails on a
personal computer. However, one cyber menace that can be devastating and
life-altering is identity theft, and protection solutions should be in place on all personal
devices.
, Which two Internet connection options below do not require that physical cables be run
to the building? (Choose two.) - Answer - Satellite
- Cellular
Explanation:
Cellular connectivity requires the use of the cell phone network. Satellite connectivity is
often utilized where physical cabling is not available outside the home or business.
What are two functions of end devices on a network? (Choose two.) - Answer - They are
the interface between humans and the communication network.
- They originate the data that flows through the network.
Explanation:
End devices originate the data that flows through the network. Intermediary devices
redirect data around alternate paths in the event of link failures and filter the flow of
data in order to enhance security. Network media provide the channel through which
network messages travel.
What are two factors that can help specify a network medium from several network
media? (Choose two.) - Answer - the environment where the selected medium is to be
installed
- the distance the selected medium can successfully carry a signal
Explanation:
Some criteria to choose a network medium would include: the distance - the chosen
medium can be able to carry a signal successfully, the environment the chosen medium
is intended to be installed in, the quantity of data and its transmission speed required,
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