43. Troubleshooting Networking

Question 1

What command allows you to test reachability to a device on the network?

Answer 1

ping

Question 2

What command allows you to see the path through the network that data is taking?

Answer 2

tracert

Question 3

What command allows you to check the NetBIOS name cache?

Answer 3

nbtstat

Question 4

What command features an /all switch?

Answer 4

ipconfig

Question 5

What command is the ipconfig equivalent on Linux?

Answer 5

ifconfig

Question 6

What command allows you to see all of the listening ports?

Answer 6

netstat

Question 7

What command allows you to manipulate network shares from the command line?

Answer 7

Net

Question 8

What command would you use from the command line in order to manipulate the domain?

Answer 8

netdom

Question 9

What command at the command line allows you to test DNS?

Answer 9

NSLOOKUP

Question 10

What does seeing an APIPA mean most likely?

Answer 10

That your DHCP server is not functioning properly

Question 11

If your network cable was unplugged and you had no WiFi or cellular, what would happen if you pinged your default gateway?

Answer 11

There would be no reply

Question 12

Name something that could cause a frequent change in the ability to communicate on the Internet.

Answer 12

A faulty device or a speed and duplex mismatch or an IP address conflict

Question 13

True or false - an IP address conflict is reported by the OS to the user.

Answer 13

TRUE

Question 14

True or False - a weak RF signal in wifi can cause slow speeds?

Answer 14

TRUE

Question 15

True or false - you can prevent your AP from beaconing the SSID?

Answer 15

TRUE