Computer Network Mcqs

Page No. 45

During error reporting, ICMP always reports error messages to ________


aDestination


b Source


cNext router


dPrevious router


View Answer Source

Header size of the ICMP message is _________


a8-bytes


b8-bits


c16-bytes


d16-bits


View Answer 8-bytes

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


aError-reporting


bError-correction


cHost and management queries


dAll of the mentioned


View Answer All of the mentioned

Which of the following is not a step in the Header translation procedure?


aThe IPv6 mapped address is changed to an IPv4 address by extracting the rightmost 32bits


bThe value of the IPv6 priority field is discarded


cThe type of service field in IPv4 is set to zero


dThe IPv6 flow label is considered



Header translation uses ___________ to translate an IPv6 address to an IPv4 address.


aIP address


bPhysical address


cMapped address


dMAC address


View Answer Mapped address

___________ is necessary when the sender wants to use IPv6, but the receiver does not understand IPv6.


a Dual stack


bHeader translation


cConversion


dTunneling


View Answer Header translation

The correct format of packet in tunnel that uses IPv4 region is _______
_i. IPv6 header
ii. Payload
iii. IPv4 header


a iii-i-ii


biii-ii-i


ci-ii-iii


di-iii-ii


View Answer iii-i-ii

The strategy used when two computers using IPv6 want to communicate with each other and the packet must pass through a region that uses IPv4 is ______________


aDual stack


bHeader translation


cConversion


dTunneling


View Answer Tunneling

To determine which version to use when sending a packet to a destination, the source host queries which of the following?


aDual stack


bDomain Name Server


cHeader information


dTransport layer


View Answer Domain Name Server

Which of the following is not a transition strategy?


aDual stack


bTunneling


cConversion


dHeader translation


View Answer Conversion

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