COMMUNICATIONS - D413 WGU
TELECOMM AND WIRELESS
COMMUNICATIONS - D413
WGU EXAM STUDY GUIDE.
GRADED A+. QUESTIONS AND
100% VERIFIED ANSWERS.
LATEST 2025/2026 UPDATE
10Base2 - Ans✔✔-Classification that specifies the use of RG-58 cable and a
data rate of 10 Mbps. (2)
10Base5 - Ans✔✔-First IEEE 802.3 classification developed for Ethernet. (2)
10BaseT - Ans✔✔-Classification specifies the use of the diff erent categories of
UTP cable. (2)
,TELECOMM AND WIRELESS
COMMUNICATIONS - D413 WGU
6to4 - Ans✔✔-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 - Ans✔✔-Designed to test a person's knowledge related to PC
support and repair; pronounced A-plus. (20)
AAA proxy - Ans✔✔-Network device that acts as an intermediary to exchange
secu-rity packets between the AAA server and the AAA client. (15)
absorption - Ans✔✔-Occurs when intervening material absorbs some of the
signal. (3)
access method - Ans✔✔-Method of gaining ac-cess to the network media. (6)
access port - Ans✔✔-Hub connection to which each network cable is
connected. (1)
acoustical echo - Ans✔✔-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) - Ans✔✔-Extension to the original ACPI
standard. (9)
,TELECOMM AND WIRELESS
COMMUNICATIONS - D413 WGU
Active Directory (AD) - Ans✔✔-Windows Server standard used to manage large
and small network systems. (7)
active hub - Ans✔✔-Enhanced passive hub; also called an intelligent hub or
switch. (1)
active partition - Ans✔✔-Describes the partition that contains the operating
system files the computer should use to boot. (17)
adaptive cut-through - Ans✔✔-Frame-forwarding technique that operates as
cut-through until an unaccept-able number of corrupt frames are detected.
(11)
Address Resolution Protocol (ARP) - Ans✔✔-Communication protocol that
resolves an assigned IPv4 network address to a physical address (MAC address).
(6)
Address Resolution Protocol (ARP) - Ans✔✔-Used to map the host MAC
address to the logical host IP address. (10)
ad hoc mode - Ans✔✔-Wireless network arrangement in which a wireless
access point is not present. (4)
administrative server - Ans✔✔-Administers network security and activities. (1)
, TELECOMM AND WIRELESS
COMMUNICATIONS - D413 WGU
alien crosstalk (AXT) - Ans✔✔-Measurement of noise introduced outside the
cable jacket, typically caused by other net-work cables in close proximity. (2)
American National Standards Institute (ANSI) - Ans✔✔-Private, nonprofit
organization that does not develop standards, but rather prompts voluntary
conformity and standardization. (1)
American Standard Code for Information Interchange (ASCII) - Ans✔✔-Early
attempt to standard-ize data codes. (5)
amplifier - Ans✔✔-Electronic device designed to raise a signal's amplitude. (2)
analog signal - Ans✔✔-Signal that has a contin-uous range of values, much like
a wave. (2)
analog-to-digital converter (ADC) - Ans✔✔-Computer chip designed to change
an analog signal to a digital signal. (12)
anonymous FTP site - Ans✔✔-Allows anyone to access the site and download
or upload files. (13)
ANT+ - Ans✔✔-Function that can be added to base ANT protocols that allows
for interoperability; pronounced ant plus. (4)
anycast address - Ans✔✔-IPv6 address that delivers packets to the nearest in-
terface; mainly used for supporting router functions. (10)