Troubleshooting commands

Question 1

T/F - ipconfig contains the DNS, DHCP, and server addresses

Answer 1

False. You must use ipconfig /all

Question 2

Name this: You can use this utility to discover MAC addresses of devices in the same network segment

Answer 2

arp

Question 3

What protocol does ping use? This protocol is a part of which layer?

Answer 3

ICMP. Network layer (3)

Question 4

What does ping ipaddress -t do?

Answer 4

Repeatedly sends pings to the chosen ipaddress

Question 5

Name this: This can verify a network layer path to an end device, like a gateway router

Answer 5

ping

Question 6

Name this: This utility can give you a very simple assessment of packet delay/loss

Answer 6

ping

Question 7

Name this: When used, this utility will help you identify the number of routers in the path to the destination.

Answer 7

tracert

It can also identify elements of the routing table

Question 8

What layer does tracert work within?

Answer 8

Network layer (layer 3)

Question 9

Name this: This utility will display TCP connections, like source and destination sockets

Answer 9

netstat

Question 10

What does netstat -n do?

Answer 10

Show TCP connections using numeric addresses

Question 11

Name this: This utility will query the DNS server, to translate the domain name into the numeric IP

Answer 11

nslookup google.ca

Question 12

Name this: This utility can verify DNS configuration, and connectivity to the DNS server

Answer 12

nslookup

Question 13

How can I view the node routing table?

Answer 13

route print

Question 14

On a router, what does the carrier indicator light do?

Answer 14

Verifies physical connection (cable, port/NIC)