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 ca-
ble. (2)
6to4 - ANSWER Mechanism that provides a means of communicating across the IPv4 In-
ternet 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)
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 stand-
ard. (9)
Active Directory (AD) - ANSWER Windows Server standard used to manage large and
small network systems. (7)
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)
Address Resolution Protocol (ARP) - ANSWER Communication protocol that resolves an
assigned IPv4 network address to a physical address (MAC address). (6)
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 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)
2
,American National Standards Institute (ANSI) - ANSWER Private, nonprofit organization
that does not develop standards, but rather prompts voluntary conformity and standardiza-
tion. (1)
American Standard Code for Information Interchange (ASCII) - ANSWER Early attempt to
standard-ize data codes. (5)
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 in-
teroperability; 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 layer - ANSWER Interfaces directly to and performs common application ser-
vices for the application process-es; layer seven of the OSI model. (1)
application gateway - ANSWER Provides security for specific applications such as FTP and
Telnet. (15)
3
, 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 transmit-
ting data, voice, and video. (1)
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)
Automatic Configuration and Power Interface (ACPI) - ANSWER Standard for controlling
the power options for computer hardware devices. (9)
authentication, authorization, and accounting (AAA) - ANSWER Security standard that
consists of three parts: authentication, authorization, and accounting; also known as triple
A. (15)
4
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 ca-
ble. (2)
6to4 - ANSWER Mechanism that provides a means of communicating across the IPv4 In-
ternet 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)
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 stand-
ard. (9)
Active Directory (AD) - ANSWER Windows Server standard used to manage large and
small network systems. (7)
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)
Address Resolution Protocol (ARP) - ANSWER Communication protocol that resolves an
assigned IPv4 network address to a physical address (MAC address). (6)
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 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)
2
,American National Standards Institute (ANSI) - ANSWER Private, nonprofit organization
that does not develop standards, but rather prompts voluntary conformity and standardiza-
tion. (1)
American Standard Code for Information Interchange (ASCII) - ANSWER Early attempt to
standard-ize data codes. (5)
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 in-
teroperability; 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 layer - ANSWER Interfaces directly to and performs common application ser-
vices for the application process-es; layer seven of the OSI model. (1)
application gateway - ANSWER Provides security for specific applications such as FTP and
Telnet. (15)
3
, 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 transmit-
ting data, voice, and video. (1)
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)
Automatic Configuration and Power Interface (ACPI) - ANSWER Standard for controlling
the power options for computer hardware devices. (9)
authentication, authorization, and accounting (AAA) - ANSWER Security standard that
consists of three parts: authentication, authorization, and accounting; also known as triple
A. (15)
4
