ICMP interview questions
ICMP interview questions
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Total Questions: 12
1. Internet Control Message Protocol(ICMP) has designed to compensate
Correct Answer is : All of the mentioned
2. Header size of the ICMP message is
Correct Answer is : 8-bytes
3. During error reporting, ICMP always reports error messages to
Correct Answer is : Source
4. Which of these is not a type of error-reporting messages
Correct Answer is : Router error
5. ICMP error message will not be generated for a datagram having a special address such as
Correct Answer is : 127.0.0.0
6. When a router cannot route a datagram or host cannot deliver a datagram, the datagram is discarded and the router or the host sends a ____________ message back to the source host that initiated the datagram.
Correct Answer is : Destination unreachable
7. The source-quench message in ICMP was designed to add a kind of ____________ to the IP.
Correct Answer is : Flow control
8. In case of time exceeded error, when the datagram visits a router, the value of time to live field is
Correct Answer is : Decremented by 1
9. Two machines can use the timestamp request and timestamp replay messages to determine the ___________ needed for an IP datagram to travel between them.
Correct Answer is : Round-trip time
10. During debugging, we can use the ____________ program to find if a host is alive and responding
Correct Answer is : Ping
11. In windows, ____________ can be used to trace the route of the packet from the source to the destination
Correct Answer is : Tracert
12. In a simple echo-request message, the value of the sum is 01010000 01011100. Then, value of checksum is
Correct Answer is : 10101111 10100011
