ICMP Quiz (Online) - Networkwalks Academy

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An administrator issues the command “#ping 127.0.0.1” from the command line prompt on a PC host named ATECH1. If an ICMP reply is received, what does this confirm?

PC host ATECH1 has connectivity with a local host

PC host ATECH1 has the TCP/IP protocol stack correctly installed

PC host ATECH1 has a default gateway correctly configured

PC host ATECH1 has connectivity up to Layer 5 of the OSI model

What is the header size of ICMP Packet?

8 Bytes

12 Bytes

10 Bytes

6 Bytes

You execute the ping command from a host, but the router does not have a path to its destination. Which of the following ICMP message types will a client receive from the router?

ICMP redirect

ICMP time exceeded

ICMP echo-reply

ICMP destination unreachable

What is the companion of the Internet Control Message Protocol (ICMP)?

IP Packet

IP Transmission

IP Frame

IP Protocol

Which function does IP SLA ICMP ECHO operation perform to assist with troubleshooting?

Pongestion detection

Packet-loss detection

One-way jitter measurement

Hop-by-hop response time

When you use the ping command to send ICMP messages across a network, what’s the most common request/reply pair you’ll see

Echo Request and Echo Reply

ICMP Request and ICMP Reply

Echo Off and Echo On

ICMP Hold and ICMP Send

Which statement is NOT true regarding ICMP?

ICMP is documented in RFC 792

ICMP provides reliable transmission of data in an IP environment

ICMP can identify network problems

An ICMP echo-request message is generated by the ping command

What are the Echo-request and echo-reply messages designed for?

Echo Purpose

Diagnostic Purpose

Synchronization Purpose

Address Purpose

What kind of message does a PING send out to test connectivity?

Timestamp reply

Source quench

ICMP echo request

Information interrupt request

What statement is true regarding ICMP packets?

They are encapsulated within UDP datagrams

They can provide hosts with information about network problems & are encapsulated within IP datagrams

They guarantee datagram delivery

They acknowledge receipt of TCP segments