Telecomm and Wireless Communications - D413 WGU
Questions And Answers 2025/2026
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)
Questions And Answers 2025/2026
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)
