WGU D315 NETWORK AND SECURITY
FUNDAMENTALS PA AND OA 233 QUESTIONS
AND SOLUTIONS
◉ 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.
FUNDAMENTALS PA AND OA 233 QUESTIONS
AND SOLUTIONS
◉ 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.
