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WGU D315 NETWORK AND SECURITY FOUNDATIONS OA EXAM
(ACTUAL FINAL EXAM) ALL 400 QUESTIONS AND CORRECT DETAILED
SOLUTIONS LATEST 2024-2025 UPDATE
WGU D315 NETWORK AND SECURITY FOUNDATIONS OA
QUESTION: It is a network of users that share computer resources in a limited area. - ANSWER-
LAN
QUESTION: Local Area Network - ANSWER-LAN
QUESTION: How are Local Area Networks defined? - ANSWER-In terms of protocol and the
topology used for accessing the network.
QUESTION: A set of rules established for users to exchange information - ANSWER-Protocol
QUESTION: The network architecture used to interconnect the networking equipment. -
ANSWER-Topology
QUESTION: What are the most common topologies for LANs? - ANSWER-Ring, Bus, and Star
QUESTION: Uses a token that is placed in the data channel and circulates around the ring. -
ANSWER-Token Ring topology
QUESTION: A deterministic network - ANSWER-Token Ring Topology
QUESTION: Each station connected to the network ensures access for transmission of its
messages at regular or fixed time intervals - ANSWER-Deterministic
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QUESTION: What are the disadvantages of the Token Ring system? - ANSWER-1. If an error
changes the token pattern, it can cause the token to stop circulating.
QUESTION: What is a disadvantage of the Token Ring system from the troubleshooting and
maintenance? - 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.
QUESTION: What is a solution to the troubleshooting and maintenance disadvantages of the
Token Ring system? - ANSWER-Connect each computer or device on the network to a central
token ring hub.
QUESTION: A device that manages the passing of the token instead of relying on individual
computers to pass it. - ANSWER-Token ring hub
QUESTION: How does the token ring hub improve the network? - ANSWER-It improves the
reliability of the network.
QUESTION: Topology whereas the computers share the media or coaxial cable for data
transmission. - ANSWER-Bus topology
QUESTION: The coaxial cable that is looped through each networking device to transmit data in
a bus topology - ANSWER-ThinNet
QUESTION: In this topology, all devices on the network can see each other's data traffic. -
ANSWER-Bus topology
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QUESTION: 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. - ANSWER-Bus topology
QUESTION: What are the disadvantages of a bus topology? - 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."
QUESTION: Which topology is seldomly used in modern networks? - ANSWER-Bus topology
QUESTION: What is the most common topology used in today's LANs? - ANSWER-Star topology
QUESTION: Topology that uses twisted-pair cables with modular plugs to connect computers
and other networking devices. - ANSWER-Star topology
QUESTION: Topology whereas each device is connected to a switch or hub - ANSWER-Star
QUESTION: A switch or hub facilitates the transfer of data between networking devices in this
topology - ANSWER-star
QUESTION: Transmits data to all the devices connected in the star network - ANSWER-hub
QUESTION: Also called a multiport repeater - ANSWER-hub
QUESTION: Not meant for large networks, but are still used in some smaller, slower speed LANs
- ANSWER-hub
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QUESTION: A transmission from a hub in a star network to all the devices in the network
connected to the hub - ANSWER-broadcast
QUESTION: Stores the hardware or physical address for each device connected to its ports in a
star network - ANSWER-switch
QUESTION: Sends data transmissions directly to the port of the destination device on the
network - ANSWER-switch
QUESTION: The physical input/output interfaces to the networking hardware - ANSWER-port
QUESTION: Where the cables physically connect to each other or a central switch or hub -
ANSWER-Port
QUESTION: Only the intended destination device on this network will see the data traffic -
ANSWER-star
QUESTION: What is an advantage of the star topology? - ANSWER-It improves the efficiency of
the available bandwidth of the network
QUESTION: What is an advantage of the star topology from the troubleshooting and
maintenance? - ANSWER-A device can be removed or added without disrupting other devices
on the network
QUESTION: All devices are connected to each other - ANSWER-mesh topology
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