WGU D413 COMPREHENSIVE
Telecommunication and Wireless EXAM
(New 2026/ 2027 Update) Questions &
Answers {Grade A} 100% Correct (Verified
Solutions)
Blackout - Correct answer Total loss of electrical energy. (16)
Blade server - Correct answer Extremely thin server designed to allow a large
number of servers to be mounted in a small space. (9)
Bluetooth - Correct answer Short-range, wireless system that is designed for limited
distances. (4)
Boot loader - Correct answer Program that starts an op-erating system load process.
(8)
Boot partition - Correct answer Contains the files needed to operate the computer. (17)
,Border Gateway Protocol (BGP) - Correct answer Internet routing protocol that
supports the exchange of routing information between autonomous networks. (11)
Bridge - Correct answer Can be used to divide the network into smaller segments,
reducing the chance of collisions. (1)
Broadband - Correct answer Method of transmitting data in the form of several analog
signals at the same time. (2)
Broadband ISDN (B-ISDN) - Correct answer ISDN category designed to carry multiple
frequencies. (14)
Broadcast frame - Correct answer Frame in which the destination address is filled
with all ones; intended for every computer on a network. (5)
Broadcast storm - Correct answer Occurs when the number of collisions reaches a
point that the network is flooded with a continuous number of collisions and
rebroadcasts. (6)
,Brouter - Correct answer Combines router and bridge functions. (1)
Brownout - Correct answer Partial loss of electrical energy. (16)
Bug - Correct answer Software program error. (16) bus topology. Network topology
that uses a single cable or conductor to connect all nodes on the network. (1)
Business plan - Correct answer outlines the goals for the business and includes action
plans and a timetable for meeting those goals. (20)
Carrier wave - Correct answer Electromagnetic wave of a set frequency that is used to
carry data. (4
Carrier-sense multiple access with collision avoidance (CSMA/CA) - Correct answer
Media access method that works much like CSMA/CD but tries to avoid, rather than
detect, collisions. (2)
, Carrier-sense multiple access with collision detection (CSMA/CD) - Correct answer
Media access method used by Ether-net networks to control and ensure data delivery.
(2)
Cascading style sheets (CSS) - Correct answer Style-sheet language that defines the
presentation and layout of all pages in a website. (13)
Cell - Correct answer Area that is served by a radio access tower. (1)
Cellular technology - Correct answer Based on radio waves connecting to designated
areas referred to as cells. (4)
Centralized administration - Correct answer Administration model in which the
administrator does not have to go to each server to perform administra-tive tasks. (1)
Certificate authority (CA) - Correct answer Service that contains the security list of
users authorized to access the private key owner's messages, using a public key. (15)
Telecommunication and Wireless EXAM
(New 2026/ 2027 Update) Questions &
Answers {Grade A} 100% Correct (Verified
Solutions)
Blackout - Correct answer Total loss of electrical energy. (16)
Blade server - Correct answer Extremely thin server designed to allow a large
number of servers to be mounted in a small space. (9)
Bluetooth - Correct answer Short-range, wireless system that is designed for limited
distances. (4)
Boot loader - Correct answer Program that starts an op-erating system load process.
(8)
Boot partition - Correct answer Contains the files needed to operate the computer. (17)
,Border Gateway Protocol (BGP) - Correct answer Internet routing protocol that
supports the exchange of routing information between autonomous networks. (11)
Bridge - Correct answer Can be used to divide the network into smaller segments,
reducing the chance of collisions. (1)
Broadband - Correct answer Method of transmitting data in the form of several analog
signals at the same time. (2)
Broadband ISDN (B-ISDN) - Correct answer ISDN category designed to carry multiple
frequencies. (14)
Broadcast frame - Correct answer Frame in which the destination address is filled
with all ones; intended for every computer on a network. (5)
Broadcast storm - Correct answer Occurs when the number of collisions reaches a
point that the network is flooded with a continuous number of collisions and
rebroadcasts. (6)
,Brouter - Correct answer Combines router and bridge functions. (1)
Brownout - Correct answer Partial loss of electrical energy. (16)
Bug - Correct answer Software program error. (16) bus topology. Network topology
that uses a single cable or conductor to connect all nodes on the network. (1)
Business plan - Correct answer outlines the goals for the business and includes action
plans and a timetable for meeting those goals. (20)
Carrier wave - Correct answer Electromagnetic wave of a set frequency that is used to
carry data. (4
Carrier-sense multiple access with collision avoidance (CSMA/CA) - Correct answer
Media access method that works much like CSMA/CD but tries to avoid, rather than
detect, collisions. (2)
, Carrier-sense multiple access with collision detection (CSMA/CD) - Correct answer
Media access method used by Ether-net networks to control and ensure data delivery.
(2)
Cascading style sheets (CSS) - Correct answer Style-sheet language that defines the
presentation and layout of all pages in a website. (13)
Cell - Correct answer Area that is served by a radio access tower. (1)
Cellular technology - Correct answer Based on radio waves connecting to designated
areas referred to as cells. (4)
Centralized administration - Correct answer Administration model in which the
administrator does not have to go to each server to perform administra-tive tasks. (1)
Certificate authority (CA) - Correct answer Service that contains the security list of
users authorized to access the private key owner's messages, using a public key. (15)