WGU C172 Network and Security - Foundations; PA and OA set*** Real Exam Questions Well Elaborated AnswersGraded A+.
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PATHO.
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PATHO.
It is a network of users that share computer resources in a limited area. - correct answer LAN
Local Area Network - correct answer LAN
How are Local Area Networks defined? - correct answer ...
WGU C172 Network and Security -
Foundations; PA and OA set***
It is a network of users that share computer resources in a limited area. - correct answer
LAN
Local Area Network - correct answer LAN
How are Local Area Networks defined? - correct answer In terms of protocol
and the topology used for accessing the network.
A set of rules established for users to exchange information - correct answer
Protocol
The network architecture used to interconnect the networking equipment. - correct answer
Topology
What are the most common topologies for LANs? - correct answer Ring, Bus,
and Star
Uses a token that is placed in the data channel and circulates around the ring. - correct answer
Token Ring topology
A deterministic network - correct answer Token Ring Topology
Each station connected to the network ensures access for transmission of its messages at regular or
fixed time intervals - correct answer Deterministic
What are the disadvantages of the Token Ring system? - correct answer 1. If
an error changes the token pattern, it can cause the token to stop circulating.
,What is a disadvantage of the Token Ring system from the troubleshooting and maintenance? - correct
answer The token ring path must be temporarily broken or interrupted if a
computer or any device on the network is to be removed or added to the network.
What is a solution to the troubleshooting and maintenance disadvantages of the Token Ring system? -
correct answer Connect each computer or device on the network to a central
token ring hub.
A device that manages the passing of the token instead of relying on individual computers to pass it. -
correct answer Token ring hub
How does the token ring hub improve the network? - correct answer It
improves the reliability of the network.
Topology whereas the computers share the media or coaxial cable for data transmission. - correct
answer Bus topology
The coaxial cable that is looped through each networking device to transmit data in a bus topology -
correct answer ThinNet
In this topology, all devices on the network can see each other's data traffic. - correct answer
Bus topology
Topology whereas each computer must wait for pauses in transmission or until the transmission from
one device is complete before initiating a new transmission onto the network. - correct answer
Bus topology
What are the disadvantages of a bus topology? - correct answer "1. Data can
be corrupted if ore than one device on the network transmits at the same time and will have to be
resubmitted.
2. The use of the shared coaxial cable prevents data transmission from being very bandwidth-efficient."
, Which topology is seldomly used in modern networks? - correct answer Bus
topology
What is the most common topology used in today's LANs? - correct answer
Star topology
Topology that uses twisted-pair cables with modular plugs to connect computers and other networking
devices. - correct answer Star topology
Topology whereas each device is connected to a switch or hub - correct answer
Star
A switch or hub facilitates the transfer of data between networking devices in this topology - correct
answer star
Transmits data to all the devices connected in the star network - correct answer
hub
Also called a multiport repeater - correct answer hub
Not meant for large networks, but are still used in some smaller, slower speed LANs - correct answer
hub
A transmission from a hub in a star network to all the devices in the network connected to the hub -
correct answer broadcast
Stores the hardware or physical address for each device connected to its ports in a star network - correct
answer switch
Sends data transmissions directly to the port of the destination device on the network - correct answer
switch
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