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Internet Control Message Protocol (ICMP) has been designed to compensate _________

A. Error-reporting
B. Error-correction
C. Host and management queries
D. All of the mentioned

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Header size of the ICMP message is _________

A. 8-bytes
B. 8-bits
C. 16-bytes
D. 16-bits

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During error reporting, ICMP always reports error messages to ________

A. Destination
B. Source
C. Next router
D. Previous router

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Which of these is not a type of error-reporting message?

A. Destination unreachable
B. Source quench
C. Router error
D. Time exceeded

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ICMP error message will not be generated for a datagram having a special address such as _______

A. 127.0.0.0
B. 12.1.2
C. 11.1
D. 127

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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.

A. Destination unreachable
B. Source quench
C. Router error
D. Time exceeded

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The source-quench message in ICMP was designed to add a kind of ____________ to the IP.

A. Error control
B. Flow control
C. Router control
D. Switch control

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In case of time exceeded error, when the datagram visits a router, the value of time to live field is _________

A. Remains constant
B. Decremented by 2
C. Incremented by 1
D. Decremented by 1

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Two machines can use the timestamp request and timestamp replay messages to determine the ___________ needed for an IP datagram to travel between them.

A. Half-trip time
B. Round-trip time
C. Travel time for the next router
D. Time to reach the destination/source

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During debugging, we can use the ____________ program to find if a host is alive and responding.

A. Traceroute
B. Shell
C. Ping
D. Java

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