Which type of device operates at Layer 7 of the OSI model to translate formatting and protocol rules between entirely incompatible network architectures? MCQ with Answer and Explanation

Which type of device operates at Layer 7 of the OSI model to translate formatting and protocol rules between entirely incompatible network architectures?
A. Layer 1 Repeater
B. Network Gateway
C. Passive Hub block
D. Layer 2 Switch
Answer: Option B
Solution (By JKSSB Mock Tests)
A gateway acts as a protocol converter, translating data formats and communication rules between completely different network architectures.

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Practice More Computer Networking Questions

Question #1
What is the role of a network hub?
A. To receive and forward data to all connected ports
B. To assign IP addresses
C. To filter data based on MAC
D. To route data between networks

Correct Answer: Option A


Explanation:
A hub broadcasts incoming data to all other ports, acting as a multiport repeater.

This question belongs to: Computer Computer Networking
Question #2
What type of network architecture operates across a city-wide geographical region, linking multiple local area networks within a single municipality?
A. PAN
B. WAN
C. MAN
D. LAN

Correct Answer: Option C


Explanation:
A Metropolitan Area Network (MAN) is designed to connect computing resources across a city or regional municipal footprint.

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Question #3
How many total bits comprise a standard physical hardware MAC address etched into a network interface chip?
A. 48 bits
B. 32 bits
C. 64 bits
D. 128 bits

Correct Answer: Option A


Explanation:
A MAC address is a permanent 48-bit physical hardware identifier, usually represented as 12 hexadecimal characters.

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