WGU D413 - Telecomm and Wireless Communications |OA | Objective Assessment /
Telecomm and Wireless Communications - D413 WGU NEWEST VERSION 2025 Study
Guide Questions and Verified Answers | 100% Correct.
10Base2 - (ANSWER)Classification that specifies the use of RG-58 cable and a data rate of 10 Mbps. (2)
10Base5 - (ANSWER)First IEEE 802.3 classification developed for Ethernet. (2)
10BaseT - (ANSWER)Classification specifies the use of the diff erent categories of UTP cable. (2)
6to4 - (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 - (ANSWER)Designed to test a person's knowledge related to PC support and repair;
pronounced A-plus. (20)
AAA proxy - (ANSWER)Network device that acts as an intermediary to exchange secu-rity packets
between the AAA server and the AAA client. (15)
absorption - (ANSWER)Occurs when intervening material absorbs some of the signal. (3)
access method - (ANSWER)Method of gaining ac-cess to the network media. (6)
access port - (ANSWER)Hub connection to which each network cable is connected. (1)
acoustical echo - (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) - (ANSWER)Extension to the original ACPI standard. (9)
Active Directory (AD) - (ANSWER)Windows Server standard used to manage large and small network
systems. (7)
,WGU D413 - Telecomm and Wireless Communications |OA | Objective Assessment /
Telecomm and Wireless Communications - D413 WGU NEWEST VERSION 2025 Study
Guide Questions and Verified Answers | 100% Correct.
active hub - (ANSWER)Enhanced passive hub; also called an intelligent hub or switch. (1)
active partition - (ANSWER)Describes the partition that contains the operating system files the computer
should use to boot. (17)
adaptive cut-through - (ANSWER)Frame-forwarding technique that operates as cut-through until an
unaccept-able number of corrupt frames are detected. (11)
Address Resolution Protocol (ARP) - (ANSWER)Communication protocol that resolves an assigned IPv4
network address to a physical address (MAC address). (6)
Address Resolution Protocol (ARP) - (ANSWER)Used to map the host MAC address to the logical host IP
address. (10)
ad hoc mode - (ANSWER)Wireless network arrangement in which a wireless access point is not present.
(4)
administrative server - (ANSWER)Administers network security and activities. (1)
alien crosstalk (AXT) - (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) - (ANSWER)Private, nonprofit organization that does not
develop standards, but rather prompts voluntary conformity and standardization. (1)
American Standard Code for Information Interchange (ASCII) - (ANSWER)Early attempt to standard-ize
data codes. (5)
,WGU D413 - Telecomm and Wireless Communications |OA | Objective Assessment /
Telecomm and Wireless Communications - D413 WGU NEWEST VERSION 2025 Study
Guide Questions and Verified Answers | 100% Correct.
amplifier - (ANSWER)Electronic device designed to raise a signal's amplitude. (2)
analog signal - (ANSWER)Signal that has a contin-uous range of values, much like a wave. (2)
analog-to-digital converter (ADC) - (ANSWER)Computer chip designed to change an analog signal to a
digital signal. (12)
anonymous FTP site - (ANSWER)Allows anyone to access the site and download or upload files. (13)
ANT+ - (ANSWER)Function that can be added to base ANT protocols that allows for interoperability;
pronounced ant plus. (4)
anycast address - (ANSWER)IPv6 address that delivers packets to the nearest in-terface; mainly used for
supporting router functions. (10)
application gateway - (ANSWER)Provides security for specific applications such as FTP and Telnet. (15)
application layer - (ANSWER)Interfaces directly to and performs common application services for the
application process-es; layer seven of the OSI model. (1)
archive bit - (ANSWER)Identifies if a file has changed since the last full or incremental backup. (16)
asymmetric-key encryption - (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) - (ANSWER)Protocol designed especially for transmitting data, voice,
and video. (1)
, WGU D413 - Telecomm and Wireless Communications |OA | Objective Assessment /
Telecomm and Wireless Communications - D413 WGU NEWEST VERSION 2025 Study
Guide Questions and Verified Answers | 100% Correct.
asynchronous transmission - (ANSWER)Data transmission method in which no reference signal is
present. (5)
attenuation - (ANSWER)Loss of signal strength. (1)
auditing - (ANSWER)Service that tracks the events, use, and access of network resources and writes
these actions to a log. (7)
authentication - (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) - (ANSWER)Security standard that consists of three
parts: authentication, authorization, and accounting; also known as triple A. (15)
Automatic Configuration and Power Interface (ACPI) - (ANSWER)Standard for controlling the power
options for computer hardware devices. (9)
automatic medium-dependent interface crossover (Auto-MDIX) - (ANSWER)Electronic chip technology
incorpo-rated into Gigabit Ethernet devices to automatically reassign pin func-tions and eliminate the
need for a crossover cable. (2)
Automatic Private IP Addressing (APIPA) - (ANSWER)Feature that assigns an IP address from a special set
of IP ad-dresses that have been set aside by IANA when a DHCP server cannot be reached. (10)
available bit rate (ABR) - (ANSWER)ATM data transfer classification most appro-priate for file transfer
because it uses the available bit rate associated with the networking medium. (12)
average utilization - (ANSWER)Measurement of the average amount of utilization or traffic on a network
in a given monitoring period. (16)
Telecomm and Wireless Communications - D413 WGU NEWEST VERSION 2025 Study
Guide Questions and Verified Answers | 100% Correct.
10Base2 - (ANSWER)Classification that specifies the use of RG-58 cable and a data rate of 10 Mbps. (2)
10Base5 - (ANSWER)First IEEE 802.3 classification developed for Ethernet. (2)
10BaseT - (ANSWER)Classification specifies the use of the diff erent categories of UTP cable. (2)
6to4 - (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 - (ANSWER)Designed to test a person's knowledge related to PC support and repair;
pronounced A-plus. (20)
AAA proxy - (ANSWER)Network device that acts as an intermediary to exchange secu-rity packets
between the AAA server and the AAA client. (15)
absorption - (ANSWER)Occurs when intervening material absorbs some of the signal. (3)
access method - (ANSWER)Method of gaining ac-cess to the network media. (6)
access port - (ANSWER)Hub connection to which each network cable is connected. (1)
acoustical echo - (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) - (ANSWER)Extension to the original ACPI standard. (9)
Active Directory (AD) - (ANSWER)Windows Server standard used to manage large and small network
systems. (7)
,WGU D413 - Telecomm and Wireless Communications |OA | Objective Assessment /
Telecomm and Wireless Communications - D413 WGU NEWEST VERSION 2025 Study
Guide Questions and Verified Answers | 100% Correct.
active hub - (ANSWER)Enhanced passive hub; also called an intelligent hub or switch. (1)
active partition - (ANSWER)Describes the partition that contains the operating system files the computer
should use to boot. (17)
adaptive cut-through - (ANSWER)Frame-forwarding technique that operates as cut-through until an
unaccept-able number of corrupt frames are detected. (11)
Address Resolution Protocol (ARP) - (ANSWER)Communication protocol that resolves an assigned IPv4
network address to a physical address (MAC address). (6)
Address Resolution Protocol (ARP) - (ANSWER)Used to map the host MAC address to the logical host IP
address. (10)
ad hoc mode - (ANSWER)Wireless network arrangement in which a wireless access point is not present.
(4)
administrative server - (ANSWER)Administers network security and activities. (1)
alien crosstalk (AXT) - (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) - (ANSWER)Private, nonprofit organization that does not
develop standards, but rather prompts voluntary conformity and standardization. (1)
American Standard Code for Information Interchange (ASCII) - (ANSWER)Early attempt to standard-ize
data codes. (5)
,WGU D413 - Telecomm and Wireless Communications |OA | Objective Assessment /
Telecomm and Wireless Communications - D413 WGU NEWEST VERSION 2025 Study
Guide Questions and Verified Answers | 100% Correct.
amplifier - (ANSWER)Electronic device designed to raise a signal's amplitude. (2)
analog signal - (ANSWER)Signal that has a contin-uous range of values, much like a wave. (2)
analog-to-digital converter (ADC) - (ANSWER)Computer chip designed to change an analog signal to a
digital signal. (12)
anonymous FTP site - (ANSWER)Allows anyone to access the site and download or upload files. (13)
ANT+ - (ANSWER)Function that can be added to base ANT protocols that allows for interoperability;
pronounced ant plus. (4)
anycast address - (ANSWER)IPv6 address that delivers packets to the nearest in-terface; mainly used for
supporting router functions. (10)
application gateway - (ANSWER)Provides security for specific applications such as FTP and Telnet. (15)
application layer - (ANSWER)Interfaces directly to and performs common application services for the
application process-es; layer seven of the OSI model. (1)
archive bit - (ANSWER)Identifies if a file has changed since the last full or incremental backup. (16)
asymmetric-key encryption - (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) - (ANSWER)Protocol designed especially for transmitting data, voice,
and video. (1)
, WGU D413 - Telecomm and Wireless Communications |OA | Objective Assessment /
Telecomm and Wireless Communications - D413 WGU NEWEST VERSION 2025 Study
Guide Questions and Verified Answers | 100% Correct.
asynchronous transmission - (ANSWER)Data transmission method in which no reference signal is
present. (5)
attenuation - (ANSWER)Loss of signal strength. (1)
auditing - (ANSWER)Service that tracks the events, use, and access of network resources and writes
these actions to a log. (7)
authentication - (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) - (ANSWER)Security standard that consists of three
parts: authentication, authorization, and accounting; also known as triple A. (15)
Automatic Configuration and Power Interface (ACPI) - (ANSWER)Standard for controlling the power
options for computer hardware devices. (9)
automatic medium-dependent interface crossover (Auto-MDIX) - (ANSWER)Electronic chip technology
incorpo-rated into Gigabit Ethernet devices to automatically reassign pin func-tions and eliminate the
need for a crossover cable. (2)
Automatic Private IP Addressing (APIPA) - (ANSWER)Feature that assigns an IP address from a special set
of IP ad-dresses that have been set aside by IANA when a DHCP server cannot be reached. (10)
available bit rate (ABR) - (ANSWER)ATM data transfer classification most appro-priate for file transfer
because it uses the available bit rate associated with the networking medium. (12)
average utilization - (ANSWER)Measurement of the average amount of utilization or traffic on a network
in a given monitoring period. (16)
