Which network device is used to connect different types of networks, such as Ethernet and Wi-Fi? MCQ with Answer and Explanation

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Which network device is used to connect different types of networks, such as Ethernet and Wi-Fi?

A. Bridge

B. Router

C. Switch

D. Hub

Answer: Option B

Solution (By JKSSB Mock Tests)

A router can connect different types of networks, including wired and wireless.

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Question #1

What is the effect of a network collision?

A. Data is duplicated

B. Network speed increases

C. Data is lost and must be retransmitted

D. Data is encrypted

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Correct Answer: Option C

Explanation:
Collisions corrupt data frames, requiring retransmission and reducing efficiency.

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Question #2

Which device is used to connect multiple computers in a LAN using twisted-pair cables?

A. Modem

B. Firewall

C. Router

D. Hub or switch

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Correct Answer: Option D

Explanation:
Hubs and switches are used to interconnect devices within a LAN.

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Question #3

What is a frame in networking?

A. Data unit at the data link layer

B. Data unit at the transport layer

C. Data unit at the network layer

D. Data unit at the application layer

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Correct Answer: Option A

Explanation:
A frame is the layer 2 PDU (Protocol Data Unit), encapsulating the packet with MAC addresses.

This question belongs to: Computer Computer Networking

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