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.
standard <<<answer>>>>Set of recommendations or practices presented by an organiza-tion
that defines specific aspects about a technology
standard generalized markup language (SGML) <<<answer>>>>Original stan-dard for both
HTML and XML. (13)
standby UPS <<<answer>>>>Type of UPS that waits until there is a disruption in com-mercial
electricity before it takes over the responsibility of supplying electrical energy. (16)
star topology <<<answer>>>>Network topology that involves running cables from each node
to connect a single point. (1)
stateful packet inspection <<<answer>>>>Applies a filter based on the sequence of packets.
(15)
stateless packet inspection <<<answer>>>>A firewall inspects individual packet attributes
such as IP address, port number, and protocols. (15)
static addressing <<<answer>>>>Act of assigning IP addresses manually. (10)
,static IP address table <<<answer>>>>Table in which IP addresses are entered manually. (11)
static IP assignment <<<answer>>>>Refers to an IP address that is entered manually for each
host on the network. (10)
static VLAN <<<answer>>>>Created when physical ports on a switch are assigned man-ually
to a particular VLAN. (11)
step-index multimode fiber-optic cable <<<answer>>>>General multimode fiber-op-tic cable
that does not counter dispersion. (3)
storage area network (SAN) <<<answer>>>>Separate, high-speed network that provides a
storage facility for one or more networks. (9)
store-and-forward <<<answer>>>>Method of frame forwarding in which a switch reads the
entire contents of the frame before forwarding the frame to its destination. (11)
straight-through cable <<<answer>>>>Constructed with each numbered pin connecting to
the matching numbered pin on the opposite end of the cable; used to connect a computer to a
hub. (2)
striped volume <<<answer>>>>Volume that increas-es the read/write access speed by
spreading data across multiple hard disk drives. (7)
subdomain <<<answer>>>>Any level domain located beneath the secondary domain. (10)
subnet mask <<<answer>>>>Number similar to an IP address used to determine in which
subnetwork a particular IPv4 address belongs. (10)
,subnetting <<<answer>>>>Dividing a network into subnetworks, or subnets. (11)
subnetwork <<<answer>>>>Network within a network. (10)
subscriber identity module (SIM) <<<answer>>>>Circuit that stores the international mobile
subscriber identity (IMSI). (4)
sunspot <<<answer>>>>Magnetic energy storm that occurs at the surface of the sun. (14)
swap file <<<answer>>>>Hard drive disk space that supplements the RAM; also known as
page file. (16)
switch <<<answer>>>>Filters network traffic or creates subnetworks from a larger network.
(1)
symmetric-key encryption <<<answer>>>>Encryption method that uses a key that only the
sender and the receiver know; also known as secret-key cryptography. (15)
Synchronous Optical Network (SONET) <<<answer>>>>Similar in design to T-carrier
technology except SONET bases its technology on fiber-optic cable. (14)
synchronous transmission <<<answer>>>>Data transmission method in which a digital signal
is synchronized with a reference signal to ensure proper timing. (5)
system partition <<<answer>>>>Contains the core files used to start the operating system.
(17)
, systems analyst <<<answer>>>>Responsible for analyz-ing, evaluating, and recommending
business software systems. (20)
T-carrier <<<answer>>>>Leased line that follows one of the standards known as T1, frac-
tional T1, T2, or T3. (14)
tarball <<<answer>>>>Compressed file containing one or more software programs. (8)
telecommunication closet <<<answer>>>>Enclosed space used to house telecom-munication
cable-termination equipment. (18)
telecommunication room <<<answer>>>>Room or enclosed space that houses telecom-
munication equipment. (18)
Telecommunications Industry Association (TIA) <<<answer>>>>Standards maintenance
organization mainly concerned with fiber optics, user equipment, network equipment, wireless
communication, and satel-lite communication. (1)
telephone gateway <<<answer>>>>Specialized piece of equipment that connects a packet-
style network communication system to a telephone system using the H.323 protocol. (12
Teredo <<<answer>>>>IPv6 transition technology con-figured by default in Windows Vista, 7,
8, and 10; considered a last-resort technology when ISATAP cannot be used. (10)
Terminal Access Controller Access-Control System Plus (TACACS+) <<<answer>>>>Secure
alternative to RADIUS. (15)
terminating resistor <<<answer>>>>Device installed to absorb the electrical signals when
they reach the end of a segment. (2)
Communications |OA | Objective Assessment /
Telecomm and Wireless Communications - D413
WGU NEWEST VERSION 2025 Study Guide Questions
and Verified Answers | 100% Correct.
standard <<<answer>>>>Set of recommendations or practices presented by an organiza-tion
that defines specific aspects about a technology
standard generalized markup language (SGML) <<<answer>>>>Original stan-dard for both
HTML and XML. (13)
standby UPS <<<answer>>>>Type of UPS that waits until there is a disruption in com-mercial
electricity before it takes over the responsibility of supplying electrical energy. (16)
star topology <<<answer>>>>Network topology that involves running cables from each node
to connect a single point. (1)
stateful packet inspection <<<answer>>>>Applies a filter based on the sequence of packets.
(15)
stateless packet inspection <<<answer>>>>A firewall inspects individual packet attributes
such as IP address, port number, and protocols. (15)
static addressing <<<answer>>>>Act of assigning IP addresses manually. (10)
,static IP address table <<<answer>>>>Table in which IP addresses are entered manually. (11)
static IP assignment <<<answer>>>>Refers to an IP address that is entered manually for each
host on the network. (10)
static VLAN <<<answer>>>>Created when physical ports on a switch are assigned man-ually
to a particular VLAN. (11)
step-index multimode fiber-optic cable <<<answer>>>>General multimode fiber-op-tic cable
that does not counter dispersion. (3)
storage area network (SAN) <<<answer>>>>Separate, high-speed network that provides a
storage facility for one or more networks. (9)
store-and-forward <<<answer>>>>Method of frame forwarding in which a switch reads the
entire contents of the frame before forwarding the frame to its destination. (11)
straight-through cable <<<answer>>>>Constructed with each numbered pin connecting to
the matching numbered pin on the opposite end of the cable; used to connect a computer to a
hub. (2)
striped volume <<<answer>>>>Volume that increas-es the read/write access speed by
spreading data across multiple hard disk drives. (7)
subdomain <<<answer>>>>Any level domain located beneath the secondary domain. (10)
subnet mask <<<answer>>>>Number similar to an IP address used to determine in which
subnetwork a particular IPv4 address belongs. (10)
,subnetting <<<answer>>>>Dividing a network into subnetworks, or subnets. (11)
subnetwork <<<answer>>>>Network within a network. (10)
subscriber identity module (SIM) <<<answer>>>>Circuit that stores the international mobile
subscriber identity (IMSI). (4)
sunspot <<<answer>>>>Magnetic energy storm that occurs at the surface of the sun. (14)
swap file <<<answer>>>>Hard drive disk space that supplements the RAM; also known as
page file. (16)
switch <<<answer>>>>Filters network traffic or creates subnetworks from a larger network.
(1)
symmetric-key encryption <<<answer>>>>Encryption method that uses a key that only the
sender and the receiver know; also known as secret-key cryptography. (15)
Synchronous Optical Network (SONET) <<<answer>>>>Similar in design to T-carrier
technology except SONET bases its technology on fiber-optic cable. (14)
synchronous transmission <<<answer>>>>Data transmission method in which a digital signal
is synchronized with a reference signal to ensure proper timing. (5)
system partition <<<answer>>>>Contains the core files used to start the operating system.
(17)
, systems analyst <<<answer>>>>Responsible for analyz-ing, evaluating, and recommending
business software systems. (20)
T-carrier <<<answer>>>>Leased line that follows one of the standards known as T1, frac-
tional T1, T2, or T3. (14)
tarball <<<answer>>>>Compressed file containing one or more software programs. (8)
telecommunication closet <<<answer>>>>Enclosed space used to house telecom-munication
cable-termination equipment. (18)
telecommunication room <<<answer>>>>Room or enclosed space that houses telecom-
munication equipment. (18)
Telecommunications Industry Association (TIA) <<<answer>>>>Standards maintenance
organization mainly concerned with fiber optics, user equipment, network equipment, wireless
communication, and satel-lite communication. (1)
telephone gateway <<<answer>>>>Specialized piece of equipment that connects a packet-
style network communication system to a telephone system using the H.323 protocol. (12
Teredo <<<answer>>>>IPv6 transition technology con-figured by default in Windows Vista, 7,
8, and 10; considered a last-resort technology when ISATAP cannot be used. (10)
Terminal Access Controller Access-Control System Plus (TACACS+) <<<answer>>>>Secure
alternative to RADIUS. (15)
terminating resistor <<<answer>>>>Device installed to absorb the electrical signals when
they reach the end of a segment. (2)
