Deck 18: Troubleshooting IPV4 Routing

Question 1

Which command sends a packet that states "if you receive this packet, and it's addressed to you, please reply back"?

A) Nmap
B) Ping
C) Telnet
D) Tracert

Answer 1

Ping

Question 2

Review the following output of the ping command. What does this output tell us about 192.168.100.4?

A) The host is not reachable from this device.
B) The host is online, but not accessible from this device.
C) All packets successfully reached the host.
D) Some packets were able to reach the host, while others were dropped.

Answer 2

The host is not reachable from this device.

Question 3

An engineer has initiated the ping command from Cisco IOS. The command showed an output of five exclamation points (!!!!!). What does this tell the engineer?

A) Some of the messages received a reply, but others timed out.
B) None of the messages received a reply.
C) The syntax of the command was entered incorrectly.
D) All five echo messages received a reply.

Answer 3

All five echo messages received a reply.

Question 4

An engineer initiated a Cisco IOS ping and received an output of two exclamation points, one period, followed by another two exclamation points (!!.!!). What does this output tell the engineer?

A) None of the echo messages received a reply.
B) The third echo message is the only one to receive a reply.
C) The third echo message timed out, but all the others received a reply.
D) All five of the echo messages received a reply.

Question 5

By default, how long does the Cisco IOS ping command wait for a reply before the command considers the message to be a failure (or timeout)?

A) 5 seconds
B) 2 seconds
C) 1 seconds
D) 10 seconds

Question 6

A failed ping can point to which of the following potential root causes?

A) IP addressing problems
B) DHCP problems
C) A and B
D) None of the above

Question 7

Which of the following troubleshooting tools uses the TTL Exceeded messages to identify routers?

A) ping
B) telnet
C) SSH
D) tracert