Telecomm and Wireless Communications - D413
WGU Exam Questions with Correct Answers 2026
10Base2 - CORRECT ANSWER -Classification that specifies the use of RG-58 cable and a data rate
of 10 Mbps. (2)
10Base5 - CORRECT ANSWER -First IEEE 802.3 classification developed for Ethernet. (2)
10BaseT - CORRECT ANSWER -Classification specifies the use of the diff erent categories of UTP
cable. (2)
6to4 - CORRECT ANSWER -Mechanism that provides a means of communicating across the IPv4
Internet while preserving the orig-inal IPv6 assigned address of the network device. (10)
A+ Certification - CORRECT ANSWER -Designed to test a person's knowledge related to PC
support and repair; pronounced A-plus. (20)
AAA proxy - CORRECT ANSWER -Network device that acts as an intermediary to exchange secu-
rity packets between the AAA server and the AAA client. (15)
absorption - CORRECT ANSWER -Occurs when intervening material absorbs some of the signal.
(3)
access method - CORRECT ANSWER -Method of gaining ac-cess to the network media. (6)
access port - CORRECT ANSWER -Hub connection to which each network cable is connected. (1)
,acoustical echo - CORRECT ANSWER -Condition that takes place when a microphone and a
speaker are in close proximity or the audio is improperly adjusted, causing feedback. (12)
ACPI Component Architecture (ACPICA) - CORRECT ANSWER -Extension to the original ACPI
standard. (9)
Active Directory (AD) - CORRECT ANSWER -Windows Server standard used to manage large and
small network systems. (7)
active hub - CORRECT ANSWER -Enhanced passive hub; also called an intelligent hub or switch.
(1)
active partition - CORRECT ANSWER -Describes the partition that contains the operating system
files the computer should use to boot. (17)
adaptive cut-through - CORRECT ANSWER -Frame-forwarding technique that operates as cut-
through until an unaccept-able number of corrupt frames are detected. (11)
Address Resolution Protocol (ARP) - CORRECT ANSWER -Communication protocol that resolves
an assigned IPv4 network address to a physical address (MAC address). (6)
Address Resolution Protocol (ARP) - CORRECT ANSWER -Used to map the host MAC address to
the logical host IP address. (10)
ad hoc mode - CORRECT ANSWER -Wireless network arrangement in which a wireless access
point is not present. (4)
administrative server - CORRECT ANSWER -Administers network security and activities. (1)
,alien crosstalk (AXT) - CORRECT ANSWER -Measurement of noise introduced outside the cable
jacket, typically caused by other net-work cables in close proximity. (2)
American National Standards Institute (ANSI) - CORRECT ANSWER -Private, nonprofit
organization that does not develop standards, but rather prompts voluntary conformity and
standardization. (1)
American Standard Code for Information Interchange (ASCII) - CORRECT ANSWER -Early attempt
to standard-ize data codes. (5)
amplifier - CORRECT ANSWER -Electronic device designed to raise a signal's amplitude. (2)
analog signal - CORRECT ANSWER -Signal that has a contin-uous range of values, much like a
wave. (2)
analog-to-digital converter (ADC) - CORRECT ANSWER -Computer chip designed to change an
analog signal to a digital signal. (12)
anonymous FTP site - CORRECT ANSWER -Allows anyone to access the site and download or
upload files. (13)
ANT+ - CORRECT ANSWER -Function that can be added to base ANT protocols that allows for
interoperability; pronounced ant plus. (4)
anycast address - CORRECT ANSWER -IPv6 address that delivers packets to the nearest in-
terface; mainly used for supporting router functions. (10)
application gateway - CORRECT ANSWER -Provides security for specific applications such as FTP
and Telnet. (15)
, application layer - CORRECT ANSWER -Interfaces directly to and performs common application
services for the application process-es; layer seven of the OSI model. (1)
archive bit - CORRECT ANSWER -Identifies if a file has changed since the last full or incremental
backup. (16)
asymmetric-key encryption - CORRECT ANSWER -Encryption method that uses two keys: a
private key and a public key; also known as public-key cryptography. (15)
asynchronous transfer mode (ATM) - CORRECT ANSWER -Protocol designed especially for
transmitting data, voice, and video. (1)
asynchronous transmission - CORRECT ANSWER -Data transmission method in which no
reference signal is present. (5)
attenuation - CORRECT ANSWER -Loss of signal strength. (1)
auditing - CORRECT ANSWER -Service that tracks the events, use, and access of network
resources and writes these actions to a log. (7)
authentication - CORRECT ANSWER -Process used to identify a user and ensure the user is who
he or she claims to be; also known as local authentication. (15)
authentication, authorization, and accounting (AAA) - CORRECT ANSWER -Security standard that
consists of three parts: authentication, authorization, and accounting; also known as triple A.
(15)
WGU Exam Questions with Correct Answers 2026
10Base2 - CORRECT ANSWER -Classification that specifies the use of RG-58 cable and a data rate
of 10 Mbps. (2)
10Base5 - CORRECT ANSWER -First IEEE 802.3 classification developed for Ethernet. (2)
10BaseT - CORRECT ANSWER -Classification specifies the use of the diff erent categories of UTP
cable. (2)
6to4 - CORRECT ANSWER -Mechanism that provides a means of communicating across the IPv4
Internet while preserving the orig-inal IPv6 assigned address of the network device. (10)
A+ Certification - CORRECT ANSWER -Designed to test a person's knowledge related to PC
support and repair; pronounced A-plus. (20)
AAA proxy - CORRECT ANSWER -Network device that acts as an intermediary to exchange secu-
rity packets between the AAA server and the AAA client. (15)
absorption - CORRECT ANSWER -Occurs when intervening material absorbs some of the signal.
(3)
access method - CORRECT ANSWER -Method of gaining ac-cess to the network media. (6)
access port - CORRECT ANSWER -Hub connection to which each network cable is connected. (1)
,acoustical echo - CORRECT ANSWER -Condition that takes place when a microphone and a
speaker are in close proximity or the audio is improperly adjusted, causing feedback. (12)
ACPI Component Architecture (ACPICA) - CORRECT ANSWER -Extension to the original ACPI
standard. (9)
Active Directory (AD) - CORRECT ANSWER -Windows Server standard used to manage large and
small network systems. (7)
active hub - CORRECT ANSWER -Enhanced passive hub; also called an intelligent hub or switch.
(1)
active partition - CORRECT ANSWER -Describes the partition that contains the operating system
files the computer should use to boot. (17)
adaptive cut-through - CORRECT ANSWER -Frame-forwarding technique that operates as cut-
through until an unaccept-able number of corrupt frames are detected. (11)
Address Resolution Protocol (ARP) - CORRECT ANSWER -Communication protocol that resolves
an assigned IPv4 network address to a physical address (MAC address). (6)
Address Resolution Protocol (ARP) - CORRECT ANSWER -Used to map the host MAC address to
the logical host IP address. (10)
ad hoc mode - CORRECT ANSWER -Wireless network arrangement in which a wireless access
point is not present. (4)
administrative server - CORRECT ANSWER -Administers network security and activities. (1)
,alien crosstalk (AXT) - CORRECT ANSWER -Measurement of noise introduced outside the cable
jacket, typically caused by other net-work cables in close proximity. (2)
American National Standards Institute (ANSI) - CORRECT ANSWER -Private, nonprofit
organization that does not develop standards, but rather prompts voluntary conformity and
standardization. (1)
American Standard Code for Information Interchange (ASCII) - CORRECT ANSWER -Early attempt
to standard-ize data codes. (5)
amplifier - CORRECT ANSWER -Electronic device designed to raise a signal's amplitude. (2)
analog signal - CORRECT ANSWER -Signal that has a contin-uous range of values, much like a
wave. (2)
analog-to-digital converter (ADC) - CORRECT ANSWER -Computer chip designed to change an
analog signal to a digital signal. (12)
anonymous FTP site - CORRECT ANSWER -Allows anyone to access the site and download or
upload files. (13)
ANT+ - CORRECT ANSWER -Function that can be added to base ANT protocols that allows for
interoperability; pronounced ant plus. (4)
anycast address - CORRECT ANSWER -IPv6 address that delivers packets to the nearest in-
terface; mainly used for supporting router functions. (10)
application gateway - CORRECT ANSWER -Provides security for specific applications such as FTP
and Telnet. (15)
, application layer - CORRECT ANSWER -Interfaces directly to and performs common application
services for the application process-es; layer seven of the OSI model. (1)
archive bit - CORRECT ANSWER -Identifies if a file has changed since the last full or incremental
backup. (16)
asymmetric-key encryption - CORRECT ANSWER -Encryption method that uses two keys: a
private key and a public key; also known as public-key cryptography. (15)
asynchronous transfer mode (ATM) - CORRECT ANSWER -Protocol designed especially for
transmitting data, voice, and video. (1)
asynchronous transmission - CORRECT ANSWER -Data transmission method in which no
reference signal is present. (5)
attenuation - CORRECT ANSWER -Loss of signal strength. (1)
auditing - CORRECT ANSWER -Service that tracks the events, use, and access of network
resources and writes these actions to a log. (7)
authentication - CORRECT ANSWER -Process used to identify a user and ensure the user is who
he or she claims to be; also known as local authentication. (15)
authentication, authorization, and accounting (AAA) - CORRECT ANSWER -Security standard that
consists of three parts: authentication, authorization, and accounting; also known as triple A.
(15)
