Which of the following is a connection-oriented protocol? MCQ with Answer and Explanation

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Which of the following is a connection-oriented protocol?

A. UDP

B. DNS

C. TCP

D. ICMP

Answer: Option C

Solution (By JKSSB Mock Tests)

TCP is connection-oriented; it establishes a session before sending data.

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Practice More Computer Networking Questions

Question #1

Which of the following is a characteristic of a hub?

A. Broadcasts data to all ports

B. Works at layer 2

C. Creates separate collision domains

D. Forwards data based on MAC addresses

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Correct Answer: Option A

Explanation:
A hub broadcasts incoming traffic to all other ports.

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Question #2

How many bits are used to define a single unique physical MAC address etched onto a network interface card (NIC)?

A. 48 bits

B. 64 bits

C. 32 bits

D. 128 bits

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Correct Answer: Option A

Explanation:
A MAC (Media Access Control) address is a 48-bit (6-byte) permanent hardware identifier represented in hexadecimal notation.

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Question #3

Which type of network covers an individual's immediate personal space, typically using Bluetooth to sync a smartwatch and phone within a 10-meter radius?

A. MAN

B. PAN

C. LAN

D. WAN

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Correct Answer: Option B

Explanation:
A Personal Area Network (PAN) connects personal electronic devices immediately surrounding an individual user.

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