Module 13 Test Questions
A user issues a ping fe80:65ab:dcc1::100 command and receives a response that includes a code of 3. What does this code represent? Communication with the destination administratively prohibited Address unreachable Beyond scope of the source address No route to destination
Address unreachable. (pg. 9)
A user issues a ping 2001:db8:FACE:39::10 command and receives a response that includes a code of 2. What does this code represent? Beyond scope of the source address Communication with the destination administratively prohibited Address unreachable No route to destination
Beyond scope of the source address. (pg. 7)
What does an ICMP message provide?
Feedback of IP packet transmissions. (pg. 5)
A user issues a ping 192.135.250.103 command and receives a response that includes a code of 1. What does this code represent? Beyond scope of the source address Address unreachable Communication with the destination administratively prohibited Host unreachable
Host unreachable. (pg. 8)
What does ICMP do?
ICMP (Internet Control Message Protocol) provides feedback about issues related to the processing of IP packets under certain conditions. (pg. 4)
Which protocol is used by the traceroute command to send and receive echo request and replies?
ICMP (pg. 23)
A user issues a ping 10.10.14.67 command and receives a response that includes a code of 0. What does this code represent? Network unreachable Protocol unreachable Port unreachable Host unreachable
Network unreachable. (pg. 10)
A user issues a ping fe80:65ab:dcc1::100 command and receives a response that includes a code of 4. What does this code represent? Host unreachable Protocol unreachable Network unreachable Port unreachable
Port unreachable. (pg. 11)
An administrator is trying to troubleshoot connectivity between 2 PCs and uses the tracert command from PC1 to do it. The tracert command comes back with 1 response and then the rest times out. Where should you begin troubleshooting? (find picture on pg. 28) PC2 (the destination PC) R1 (the router closest to PC1) SW2 (the switch between PC2 and R2) R2 (the router closest to PC2) SW1 (the switch between PC1 and R1)
R1 (pg. 28)
What source IP address does a router use by default when the traceroute command is issued? The highest configured IP address on the router A loopback IP address The IP address of the outbound interface The lowest configured IP address on the router
The IP address of the outbound interface. (pg. 27)
If a technician pings 127.0.0.1 what is the technician testing?
The TCP/IP stack. (pg. 20)
If IPv6 hop limit field of a packet is decremented to zero, what happens/happened?
The packet cannot be forwarded to the router, the router issues an ICMPv6 time exceeded message back to the source. (pg. 12)
Which ICMPv6 message is sent when the hop limit field is decremented to 0 and the packet cannot be forwarded?
Time exceeded. (pg. 24)
A user executes a traceroute over IPv6. At what point would a router in the path to the destination device drop the packet? When the value of the Hop Limit field reaches 255 When the value of the Hop Limit field reaches zero When the router receives an ICMP time exceeded message When the target host responds with an ICMP echo reply message
When the value of the Hop Limit field reaches zero. (pg. 26)