Chap13-ICMP

ICMP means?

• Interface Control Message Protocol

• Internet Control Message Protocol

• Internet Center Messages Protocol

• Internet Control Messaging Protocol

Internet Control Message Protocol (ICMP) provides feedback about issues related to the processing of IP packets under certain condition?

• False

• True

ICMPv4 is the messaging protocol for IPv6

• False

• True

ICMPv6 is the messaging protocol for IPv6

• Absolutely True

• False

The ICMP messages common to both ICMPv4 and ICMPv6 includes:

• Host reachability

• Destination or Service Unreachable

• Time exceeded

• All of the above

ICMP Echo Message can be used to test the reachability of a host on an IP network?

• False

• True

If the host is available, the destination host responds with an Echo Reply?

• True

• False

An ICMP Destination Unreachable message can be used to notify the source that a destination or service is reachable?

• True

• False

A few Destination Unreachable codes for ICMPv4 are as follows:

• 0 - Net unreachable

• 1 - Host unreachable

• 2 - Protocol unreachable

• 3 - Port unreachable

• All of the above

A few Destination Unreachable codes for ICMPv6 are as follows.Which do not belong to the group?

• 0 - No route to destination

• 1 - Communication with the destination is administratively prohibited (e.g., firewall)

• 2 – Beyond scope of the source address

• 3 - Address unreachable

• 4 - Port reachable