OSI Reference Layers MCQs with answers Page - 31

You will find multiple-choice questions (MCQs) related to #OSI Reference Layers here. Go through these questions to prepare effectively for your upcoming exams and interviews.

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A

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Q. Which protocol helps in checking the reachability of a host on an IP network?

  • (A) TCP
  • (B) ICMP
  • (C) UDP
  • (D) ARP

A

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Q. What is a key advantage of IPv6 over IPv4?

  • (A) Better data compression
  • (B) More address space
  • (C) Stronger encryption
  • (D) Faster transmission

A

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Q. Which of these is NOT a characteristic of the Network Layer?

  • (A) Routing
  • (B) Logical addressing
  • (C) Flow control
  • (D) Packet forwarding

A

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Q. Which IPv4 address class is used for multicast?

  • (A) Class A
  • (B) Class B
  • (C) Class C
  • (D) Class D

A

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Q. Which field in the IP header specifies the Transport Layer protocol being used?

  • (A) Protocol
  • (B) Flags
  • (C) Identification
  • (D) Fragment Offset

A

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Q. What is the function of the Flow Label field in IPv6?

  • (A) To indicate packet fragmentation
  • (B) To assist in identifying packet flows for QoS
  • (C) To measure hop counts
  • (D) To indicate next hop

A

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Q. Which of the following protocols is NOT typically used at the Network Layer?

  • (A) IP
  • (B) ICMP
  • (C) UDP
  • (D) BGP

A

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Q. What is the primary role of the 'Protocol' field in an IPv4 header?

  • (A) Defines the IP version
  • (B) Indicates the Transport Layer protocol in use
  • (C) Specifies the TTL
  • (D) Identifies the source IP

A

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Q. Which address is used by routers to forward packets at the Network Layer?

  • (A) MAC Address
  • (B) IP Address
  • (C) Port Number
  • (D) Frame Check Sequence

A

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Q. Which of these is an example of an IPv4 broadcast address?

  • (A) 192.168.1.255
  • (B) 127.0.0.1
  • (C) 10.0.0.1
  • (D) 255.255.255.255
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