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WGU Certification
Network-and-Security-Foundation Exam
WGU.Network-and-Security-Foundation.v2026-01-13.q22 Dumps

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Question 11

What is a CIA triad component that involves keeping systems accessible for network users?

A.Availability
B.Innovation
C.Integrity
D.Confidentiality

Correct Answer: A

Availabilityensures that systems, applications, and data remain accessible and operational for authorized users when needed. Organizations implement redundancy, failover mechanisms, and backup systems to maintain availability.
* Integrityensures that data remains accurate and unchanged.
* Confidentialityprotects sensitive data from unauthorized access.
* Innovationis not a component of the CIA triad.

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Question 12

Which layer of the OSI model includes HTTP?

A.Application
B.Network
C.Session
D.Transport

Correct Answer: A

TheApplication layer(Layer 7 of the OSI model) includesHypertext Transfer Protocol (HTTP), which is used for web communication. This layer provides network services directly to applications and users.
* Network layerdeals with IP addressing and packet routing.
* Session layermanages connections but does not include HTTP.
* Transport layerensures reliable data transmission but does not handle application protocols.

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Question 13

A person is troubleshooting a network issue and needs to see details about network adapters and their settings.
Which Windows command should be used?

A.ipconfig
B.traceroute
C.nslookup
D.netstat

Correct Answer: A

Theipconfigcommand in Windows provides details about a computer's network adapters, including IP addresses, subnet masks, default gateways, and DNS settings. It is particularly useful for troubleshooting connectivity issues.
* traceroute(or tracert in Windows) is used to trace the path packets take to a destination.
* nslookupis used for querying DNS records.
* netstatprovides details about active network connections and listening ports, but not adapter configurations.

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Question 14

What is the TCP/IP layer that includes the User Datagram Protocol (UDP)?

A.Application
B.Network or internet
C.Physical or network access
D.Transport

Correct Answer: D

TheTransport layerin the TCP/IP model includes theUser Datagram Protocol (UDP)andTransmission Control Protocol (TCP). UDP is a connectionless protocol used for fast, lightweight data transmission where reliability is not the priority (e.g., video streaming, VoIP).
* Application layerhandles end-user services but not transport mechanisms.
* Network or internet layerdeals with IP addressing and routing, not UDP.
* Physical or network access layerconcerns hardware transmission methods.

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Question 15

A company is ensuring that its network protocol meets encryption standards.
What is the CIA triad component targeted in the scenario?

A.Integrity
B.Consistency
C.Availability
D.Confidentiality

Correct Answer: D

Confidentialityin IT security ensures that sensitive data remains private and protected from unauthorized access. Encryption is a key measure used to maintain confidentiality by encoding data so that only authorized users can access it.
* Integrityensures that data remains accurate and unchanged.
* Availabilityensures that data is accessible when needed.
* Consistencyis not a component of the CIA triad.

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