WGU D325 COMPTIA NETWORK+ CRAM
SHEET COMPREHENSIVE EXAM 2026 FULL
QUESTIONS AND CORRECT ANSWERS
ALREADY PASSED
●● Physical Layer.
Answer: Transmits raw bits over physical medium
●● Data Link Layer.
Answer: Handles MAC addressing and frame delivery
●● Network Layer.
Answer: Handles IP addressing and routing
●● Transport Layer.
Answer: Provides reliable (TCP) or unreliable (UDP) delivery
●● Session Layer.
Answer: Manages sessions between applications
●● Presentation Layer.
, Answer: Encryption, compression, formatting
●● Application Layer.
Answer: User-facing network services
●● TCP/IP Model.
Answer: 4-layer practical networking model
●● Encapsulation.
Answer: Wrapping data with headers as it moves down OSI layers
●● Decapsulation.
Answer: Removing headers as data moves up OSI layers
●● IPv4 Address.
Answer: 32-bit address written in dotted decimal
●● IPv6 Address.
Answer: 128-bit address written in hexadecimal
●● Private IP Range (Class A).
Answer: 10.0.0.0 - 10.255.255.255
SHEET COMPREHENSIVE EXAM 2026 FULL
QUESTIONS AND CORRECT ANSWERS
ALREADY PASSED
●● Physical Layer.
Answer: Transmits raw bits over physical medium
●● Data Link Layer.
Answer: Handles MAC addressing and frame delivery
●● Network Layer.
Answer: Handles IP addressing and routing
●● Transport Layer.
Answer: Provides reliable (TCP) or unreliable (UDP) delivery
●● Session Layer.
Answer: Manages sessions between applications
●● Presentation Layer.
, Answer: Encryption, compression, formatting
●● Application Layer.
Answer: User-facing network services
●● TCP/IP Model.
Answer: 4-layer practical networking model
●● Encapsulation.
Answer: Wrapping data with headers as it moves down OSI layers
●● Decapsulation.
Answer: Removing headers as data moves up OSI layers
●● IPv4 Address.
Answer: 32-bit address written in dotted decimal
●● IPv6 Address.
Answer: 128-bit address written in hexadecimal
●● Private IP Range (Class A).
Answer: 10.0.0.0 - 10.255.255.255