ICMP Messages Quiz

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Which command is used to test connectivity to another host on a network?

ping (correct)

echo

traceroute

request

What information does the ping utility provide after sending echo requests?

Destination IP address and subnet mask

Number of hops and TTL value

Success rate and average round-trip time (correct)

Router interface and security restrictions

What does traceroute provide in terms of troubleshooting information?

The ICMP time exceeded message

The destination IP address

The round-trip time to the remote host

A list of hops along the path (correct)

Which protocol is used to send error and informational messages in the TCP/IP suite?

ICMP Signup and view all the answers

What is the purpose of ICMP messages?

To provide feedback about issues related to the processing of IP packets Signup and view all the answers

What is the purpose of an ICMP Echo Message?

To test the reachability of a host on an IP network Signup and view all the answers

Which ICMP message is used by a router to indicate that a packet cannot be forwarded because the Time to Live (TTL) field of the packet was decremented to zero?

Time Exceeded Signup and view all the answers

Which ICMP message is used to notify the source host when a packet cannot be delivered?

Destination Unreachable Signup and view all the answers

Which ICMP message is used to test the reachability of a host on an IP network?

Echo Reply Signup and view all the answers

Which ICMP message is used by the traceroute tool?

Time Exceeded Signup and view all the answers

Which ICMP message is used by IPv6 devices to redirect traffic?

Redirect Signup and view all the answers

Which ICMP message is used by an IPv6 router to allocate dynamic addresses to IPv6 devices?

Router Advertisement Signup and view all the answers

Which ICMP message is used by an IPv6 device to request dynamic addresses from an IPv6 router?

Neighbor Solicitation Signup and view all the answers

Which field is used by ICMPv6 to determine if a packet has expired?

Hop limit field Signup and view all the answers

Which command can be used to test the ability of a local host to communicate across an internetwork?

traceroute Signup and view all the answers

Which host address should be pinged to test the internal configuration of IPv4 on the local host?

127.0.0.1 Signup and view all the answers

What does the ping utility provide after sending echo requests?

Round-trip time and success rate Signup and view all the answers

What is the purpose of the ICMP time exceeded message in traceroute?

To indicate where the problem or security restrictions are found Signup and view all the answers

What information does traceroute provide if the data fails at some hop along the way?

Address of the last router that responded Signup and view all the answers

When testing connectivity to another host on a network, what is sent to the host address using the ping command?

Echo request Signup and view all the answers

What does a successful ping to the default gateway indicate?

Host and router interface are both operational on the local network Signup and view all the answers

What is the purpose of the ICMP Echo Message?

To test the ability of a host to communicate on the local network Signup and view all the answers

What protocol is used to send error and informational messages in the TCP/IP suite?