WGU IT C769 PREPARATION TEST 2026
QUESTIONS AND CORRECT ANSWERS
GRADED A+
● An organization is evaluating its internal network. Currently, each
device is connected to two adjacent devices, one on either side. Answer:
Ring topology
● A company has a legacy network in which all devices receive all
messages transmitted by a central trunk cable. Answer: Bus topology
● A company needs to install high-speed Ethernet cabling capable of
supporting up to 10 Gbps over short distances. Answer: Cat6a cable
● A company sets up a network where every device is connected to
every other device, ensuring redundancy. Answer: Mesh topology
● A company wants to build a network topology that combines elements
of multiple topologies to meet scalability and redundancy requirements.
Answer: Hybrid topology
● A network administrator on a Windows system wants to check all
active TCP connections and the ports on which the system is
communicating. Answer: netstat -an
, ● A Linux user wants to verify the IP address and subnet information for
their system to troubleshoot a network issue. Answer: ip addr show
● A Linux user is troubleshooting DNS and needs to perform a detailed
domain name lookup. Answer: dig
● A network administrator suspects an issue with DNS resolution and
wants to query the IP address of a domain name. Answer: nslookup
● Which layer of the OSI model includes the HTTP? Answer:
Application layer (Layer 7)
● A network administrator is configuring a router to forward data
packets between different networks. Answer: Network layer (Layer 3)
● A network engineer is troubleshooting a TCP connection failure
between two systems. Answer: Transport layer (Layer 4)
● A network technician needs to ensure that video conferencing
establishes and maintains a persistent connection. Answer: Session layer
(Layer 5)
QUESTIONS AND CORRECT ANSWERS
GRADED A+
● An organization is evaluating its internal network. Currently, each
device is connected to two adjacent devices, one on either side. Answer:
Ring topology
● A company has a legacy network in which all devices receive all
messages transmitted by a central trunk cable. Answer: Bus topology
● A company needs to install high-speed Ethernet cabling capable of
supporting up to 10 Gbps over short distances. Answer: Cat6a cable
● A company sets up a network where every device is connected to
every other device, ensuring redundancy. Answer: Mesh topology
● A company wants to build a network topology that combines elements
of multiple topologies to meet scalability and redundancy requirements.
Answer: Hybrid topology
● A network administrator on a Windows system wants to check all
active TCP connections and the ports on which the system is
communicating. Answer: netstat -an
, ● A Linux user wants to verify the IP address and subnet information for
their system to troubleshoot a network issue. Answer: ip addr show
● A Linux user is troubleshooting DNS and needs to perform a detailed
domain name lookup. Answer: dig
● A network administrator suspects an issue with DNS resolution and
wants to query the IP address of a domain name. Answer: nslookup
● Which layer of the OSI model includes the HTTP? Answer:
Application layer (Layer 7)
● A network administrator is configuring a router to forward data
packets between different networks. Answer: Network layer (Layer 3)
● A network engineer is troubleshooting a TCP connection failure
between two systems. Answer: Transport layer (Layer 4)
● A network technician needs to ensure that video conferencing
establishes and maintains a persistent connection. Answer: Session layer
(Layer 5)
