Windows Commands
Switches
Troubleshooting Network Commands
UNIX Commands
Grab bag
100
This command can resolve an FQDN to an IP address
What is nslookup.
100

Releases an IPv4 address from the PC

ipconfig /release

100

Unable to access cats.com - what is the first network command line you would use to check?

ping

100
This command pings every router hop from the source to the destination and reports the round-trip time for each router hop.
What is traceroute
100

You want to determine how long it takes a packet to get to and from a router. What can you use?

traceroute or tracert

200
This command displays various information about IP-based connections on a PC.
What is netstat
200

When used in conjunction with a switch, arp can display the MAC address associated with a known IP address

arp -a

200

 I’m getting a ip address conflict message on my linux desktop

ifconfig

200
This command can be used to resolve FQDNs to IP addresses; however, it is entirely a command-line command.
What is dig (Ex. dig www.cisco.com. The display would be similar to the below (complete answer not fully shown): ;<<>> DiG 9.6.0-Apple-P2 <<>> www.cisco.com ;;global optons: +cmd ;; got answer: ;; ->>GEADER<<- opcode: QUERY, status: NOERROR, id: 10821....................
200

You are running a Linux system and need to verify whether you can reach a DNS server. Which of the following commands can you
use?

Dig

300
This command can be sued to see what a Layer 2 MAC address corresponds to as a known Layer 3 IP address.
What is arp
300
This option displays the contents of a PC's NetBIOS cache name along with the IP addresses corresponding to those NetBIOS names.
What is -c
300

 A website on the internet is very slow

traceroute or tracert

300
This parameter is used with the ping command to specify the number of pings to send
What is -c (ping -c). (Ex: ping -c 5 192.168.1.1)
300

Administration command-line utilities can be used for DNS queries?

nslookup

400
This command displays IP address configuration parameters.
What is ipconfig
400

ping a network devices five times

ping -n 5 192.168.1.1

400

I want to make sure cats.com has the right ip address on a linux machine

dig

400
This command is used to display MAC address to IP address mappings.
What is arp.
400

ipconfig command parameter used for displaying the full TCP/IP configuration information for all adapters?

ipconfig /all

500
This command displays NetBIOS information for IP-based networks.
What is nbstat
500

displays the current default gateway route.

route -n

500

I think I'm part of a botnet

netstat -a

500
This command displays various information about current connections, including, source and destination IP addresses and port numbers.
What is netstat
500

netstat parameter allows to display the names of applications and executable file components that are accessing the network

netstat -b
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