WGU D325 NETWORKS ACTUAL TEST
QUESTIONS WITH COMPLETE ANSWER
KEY
●● Wiretapping
Answer: Attack involving tampering with physical cables to eavesdrop
●● Copper-based wiring
Answer: Susceptible to electronic sniffing due to electromagnetic field
●● Data Link layer
Answer: Layer defining how computers connect to the network
●● Network layer
Answer: Enables data exchange between computers on different
networks
●● IP and ICMP protocols
Answer: Protocols found at the Network layer in the TCP/IP suite
●● Ping attacks
Answer: Intended to disrupt communication on the network
,●● Spoofing
Answer: Impersonating another computer's IP or MAC address
●● Transport layer
Answer: Layer with TCP and UDP protocols refining addressing using
port numbers
●● Port number
Answer: 16-bit number identifying a service on a host
●● Session layer
Answer: Allows differentiation between connections within a service on
the same host
●● Presentation layer
Answer: Serves as a translation and security layer between applications
●● Encoding
Answer: Process of writing data in a particular manner, such as a
standardized file format
●● Application layer
, Answer: Defines how users connect with application services through
protocols
●● Unshielded twisted pair cables (UTP cables)
Answer: Created by twisting pairs of wires to protect and cancel out
interference
●● RJ45 and RJ11 connectors
Answer: Most common connectors for ethernet and phone wires,
respectively
●● Coaxial cables
Answer: Analog cables with a metal shield to block signal interference
●● Fiber cables
Answer: Use glass or plastic threads to transfer data using light
●● Single-mode cables
Answer: Made up of one single glass or plastic fiber, carrying higher
bandwidth for longer distances
●● Multimode fibers
QUESTIONS WITH COMPLETE ANSWER
KEY
●● Wiretapping
Answer: Attack involving tampering with physical cables to eavesdrop
●● Copper-based wiring
Answer: Susceptible to electronic sniffing due to electromagnetic field
●● Data Link layer
Answer: Layer defining how computers connect to the network
●● Network layer
Answer: Enables data exchange between computers on different
networks
●● IP and ICMP protocols
Answer: Protocols found at the Network layer in the TCP/IP suite
●● Ping attacks
Answer: Intended to disrupt communication on the network
,●● Spoofing
Answer: Impersonating another computer's IP or MAC address
●● Transport layer
Answer: Layer with TCP and UDP protocols refining addressing using
port numbers
●● Port number
Answer: 16-bit number identifying a service on a host
●● Session layer
Answer: Allows differentiation between connections within a service on
the same host
●● Presentation layer
Answer: Serves as a translation and security layer between applications
●● Encoding
Answer: Process of writing data in a particular manner, such as a
standardized file format
●● Application layer
, Answer: Defines how users connect with application services through
protocols
●● Unshielded twisted pair cables (UTP cables)
Answer: Created by twisting pairs of wires to protect and cancel out
interference
●● RJ45 and RJ11 connectors
Answer: Most common connectors for ethernet and phone wires,
respectively
●● Coaxial cables
Answer: Analog cables with a metal shield to block signal interference
●● Fiber cables
Answer: Use glass or plastic threads to transfer data using light
●● Single-mode cables
Answer: Made up of one single glass or plastic fiber, carrying higher
bandwidth for longer distances
●● Multimode fibers
