WGU PAG2 BFC1 C172 Network and
Security Foundations UPDATED ACTUAL
Exam Questions and CORRECT Answers
Star Network - CORRECT ANSWER - A Hub provides network connectivity (Most
common)
Ring Network - CORRECT ANSWER - The devices form a loop with each device having
2 neighbors
Bus Network - CORRECT ANSWER - other devices wait for pauses in data transmission.
Mesh Network - CORRECT ANSWER - Each device is directly connected to every other
device
LAN - CORRECT ANSWER - Limits use to a floor of a building or to a building (Very
limited area)
MAN (Metropolitan Area Network) - CORRECT ANSWER - Spans a limited area
connecting privately operated facilities (urban area)
WAN (Wide Area Network) - CORRECT ANSWER - Uses common carriers for
connectivity (large geographic area)
CAN (Campus Area Network) - CORRECT ANSWER - Connects computer users in a
particular geographic area (beyond 1 building, limited area, 1 organization)
OSI Layer 3 - CORRECT ANSWER - Network address (and all other network functions,
including router)
, Network problem troubleshooting basic layers - CORRECT ANSWER - Physical, Data
link, Network,
OSI Layer 7 (Application) - CORRECT ANSWER - Interprets user requests
OSI Layer 6 (Presentation) - CORRECT ANSWER - Structures message, translates if
necessary
OSI Layer 5 (Session) - CORRECT ANSWER - Establishes, manages, and terminates the
connections
OSI Layer 4 (Transport) - CORRECT ANSWER - Provides message integrity
OSI Layer 2 (Data Link) - CORRECT ANSWER - Error recovery, flow control,
sequencing. (MAC addressing, too)
OSI Layer 1 (Physical) - CORRECT ANSWER - Provides electrical and mechanical
connectivity
Attenuation - CORRECT ANSWER - Light escapes into cladding. Loss of power due to
propagation, mechanical stress
Dispersion - CORRECT ANSWER - Light pulse spreads out eventually.
Type of fiber optic cable - CORRECT ANSWER - Multimode step-index
Cable for LAN (work area) - CORRECT ANSWER - Unshielded Twisted Pair (UTP)
Security Foundations UPDATED ACTUAL
Exam Questions and CORRECT Answers
Star Network - CORRECT ANSWER - A Hub provides network connectivity (Most
common)
Ring Network - CORRECT ANSWER - The devices form a loop with each device having
2 neighbors
Bus Network - CORRECT ANSWER - other devices wait for pauses in data transmission.
Mesh Network - CORRECT ANSWER - Each device is directly connected to every other
device
LAN - CORRECT ANSWER - Limits use to a floor of a building or to a building (Very
limited area)
MAN (Metropolitan Area Network) - CORRECT ANSWER - Spans a limited area
connecting privately operated facilities (urban area)
WAN (Wide Area Network) - CORRECT ANSWER - Uses common carriers for
connectivity (large geographic area)
CAN (Campus Area Network) - CORRECT ANSWER - Connects computer users in a
particular geographic area (beyond 1 building, limited area, 1 organization)
OSI Layer 3 - CORRECT ANSWER - Network address (and all other network functions,
including router)
, Network problem troubleshooting basic layers - CORRECT ANSWER - Physical, Data
link, Network,
OSI Layer 7 (Application) - CORRECT ANSWER - Interprets user requests
OSI Layer 6 (Presentation) - CORRECT ANSWER - Structures message, translates if
necessary
OSI Layer 5 (Session) - CORRECT ANSWER - Establishes, manages, and terminates the
connections
OSI Layer 4 (Transport) - CORRECT ANSWER - Provides message integrity
OSI Layer 2 (Data Link) - CORRECT ANSWER - Error recovery, flow control,
sequencing. (MAC addressing, too)
OSI Layer 1 (Physical) - CORRECT ANSWER - Provides electrical and mechanical
connectivity
Attenuation - CORRECT ANSWER - Light escapes into cladding. Loss of power due to
propagation, mechanical stress
Dispersion - CORRECT ANSWER - Light pulse spreads out eventually.
Type of fiber optic cable - CORRECT ANSWER - Multimode step-index
Cable for LAN (work area) - CORRECT ANSWER - Unshielded Twisted Pair (UTP)
