Computer Science
Telecomm and Wireless Communications - D413
WGU ACTUAL EXAM WITH UPDATED
QUESTIONS AND ANSWERS \GRADED A+
Classification that specifies the use of RG-58 cable
10Base2
and a data rate of 10 Mbps. (2)
First IEEE 802.3 classification developed for Ethernet.
10Base5
(2)
Classification specifies the use of the diff erent
10BaseT
categories of UTP cable. (2)
Mechanism that provides a means of communicating
6to4 across the IPv4 Internet while preserving the orig-inal
IPv6 assigned address of the network device. (10)
Designed to test a person's knowledge related to PC
A+ Certification
support and repair; pronounced A-plus. (20)
Network device that acts as an intermediary to
AAA proxy exchange secu-rity packets between the AAA server
and the AAA client. (15)
Occurs when intervening material absorbs some of
absorption
the signal. (3)
access method Method of gaining ac-cess to the network media. (6)
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Hub connection to which each network cable is
access port
connected. (1)
Condition that takes place when a microphone and a
acoustical echo speaker are in close proximity or the audio is
improperly adjusted, causing feedback. (12)
ACPI Component Extension to the original ACPI standard. (9)
Architecture (ACPICA)
Windows Server standard used to manage large and
Active Directory (AD)
small network systems. (7)
Enhanced passive hub; also called an intelligent hub
active hub
or switch. (1)
Describes the partition that contains the operating
active partition
system files the computer should use to boot. (17)
Frame-forwarding technique that operates as cut-
adaptive cut-through through until an unaccept-able number of corrupt
frames are detected. (11)
Communication protocol that resolves an assigned
Address Resolution
IPv4 network address to a physical address (MAC
Protocol (ARP)
address). (6)
Address Resolution Used to map the host MAC address to the logical
Protocol (ARP) host IP address. (10)
Wireless network arrangement in which a wireless
ad hoc mode
access point is not present. (4)
administrative server Administers network security and activities. (1)
Measurement of noise introduced outside the cable
alien crosstalk (AXT) jacket, typically caused by other net-work cables in
close proximity. (2)
Private, nonprofit organization that does not develop
American National
standards, but rather prompts voluntary conformity
Standards Institute (ANSI)
and standardization. (1)
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American Standard Code Early attempt to standard-ize data codes. (5)
for Information
Interchange (ASCII)
Electronic device designed to raise a signal's
amplifier
amplitude. (2)
Signal that has a contin-uous range of values, much
analog signal
like a wave. (2)
analog-to-digital Computer chip designed to change an analog signal
converter (ADC) to a digital signal. (12)
Allows anyone to access the site and download or
anonymous FTP site
upload files. (13)
Function that can be added to base ANT protocols
ANT+ that allows for interoperability; pronounced ant plus.
(4)
IPv6 address that delivers packets to the nearest in-
anycast address terface; mainly used for supporting router functions.
(10)
Provides security for specific applications such as FTP
application gateway
and Telnet. (15)
Interfaces directly to and performs common
application layer application services for the application process-es;
layer seven of the OSI model. (1)
Identifies if a file has changed since the last full or
archive bit
incremental backup. (16)
Encryption method that uses two keys: a private key
asymmetric-key
and a public key; also known as public-key
encryption
cryptography. (15)
asynchronous transfer Protocol designed especially for transmitting data,
mode (ATM) voice, and video. (1)
Data transmission method in which no reference
asynchronous transmission
signal is present. (5)
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attenuation Loss of signal strength. (1)
Service that tracks the events, use, and access of
auditing network resources and writes these actions to a log.
(7)
Process used to identify a user and ensure the user is
authentication who he or she claims to be; also known as local
authentication. (15)
authentication, Security standard that consists of three parts:
authorization, and authentication, authorization, and accounting; also
accounting (AAA) known as triple A. (15)
Automatic Configuration Standard for controlling the power options for
and Power Interface computer hardware devices. (9)
(ACPI)
automatic medium- Electronic chip technology incorpo-rated into Gigabit
dependent interface Ethernet devices to automatically reassign pin func-
crossover (Auto-MDIX) tions and eliminate the need for a crossover cable. (2)
Feature that assigns an IP address from a special set
Automatic Private IP
of IP ad-dresses that have been set aside by IANA
Addressing (APIPA)
when a DHCP server cannot be reached. (10)
ATM data transfer classification most appro-priate for
available bit rate (ABR) file transfer because it uses the available bit rate
associated with the networking medium. (12)
Measurement of the average amount of utilization or
average utilization
traffic on a network in a given monitoring period. (16)
AWG rating Describes the size of a conductor's diameter. (2)
Connects the telecommuni-cation closets, equipment
backbone
rooms, and main entrance facility. (18)
Software access port to a computer infected by a
backdoor
Trojan horse
Simple motherboard designed with minimal
backplane
components. (9)
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