Network layer : ICMP

What does the Hop Limit (TTL) field prevent in IPv6 packet transmission?

• Packet fragmentation

• Endless packet looping

• Packet duplication

• Packet encryption

In IP networking, what is the purpose of datagram encapsulation?

• To compress data packets for efficient transmission

• To add IP headers to data packets

• To assign IP addresses dynamically

• To manage network routing protocols

What does ICMP stand for in networking?

• Internet Control Message Protocol

• Internet Connection Management Protocol

• Internet Communication Method Protocol

• Internet Configuration Message Protocol

What is the primary function of ICMP in networking?

• A) Error correction

• B) Error reporting

• C) Data encryption

• D) Data compression

Which of the following is a task performed by ICMP?

• Establishing secure connections between devices

• Reporting network errors and issues

• Managing IP address allocations

• Encrypting data packets

Which layer of the OSI model is ICMP primarily associated with?

• A) Network layer (Layer 3)

• B) Transport layer (Layer 4)

• C) Data link layer (Layer 2)

• D) Application layer (Layer 7)

Which of the following is NOT a type of ICMP message?

• Destination Unreachable

• Packet Secure

• Time Exceeded

• Echo Request

Which ICMP message type is used to check if a host is reachable on the network?

• A) Time Exceeded

• B) Echo Request

• C) Destination Unreachable

• D) Source Quench

What is the purpose of the Code field in the ICMP message format?

• A) To specify the source device

• B) To indicate the status or reason for the ICMP message

• C) To manage routing tables

• D) To specify the destination network

Which ICMP message type is generated when a datagram exceeds the Maximum Transmission Unit (MTU)?

• A) Time Exceeded

• B) Destination Unreachable

• C) Echo Reply

• D) Fragmentation Needed