Command line

Question 1

What is the command to see a list of options?

Answer 1

Command followed by /?

Question 2

What is the ping command used for?

Answer 2

To troubleshoot connectivity, reachability, and name

resolution

Question 3

What are the following ping commands used for?

• t
• L
• i TTL

Answer 3

• Specifies to continue to send ping until interrupted
• Specifies the length in bytes
• Specifies the number of hops

Question 4

What is the Arp command used for?

Answer 4

Displays and modifies entries in the Address Resolution Protocol (ARP) cache, which contains one or more tables that are used to store IP addresses and their corresponding physical addresses (MAC addresses)

Question 5

What is the tracert command used for?

Answer 5

Determines the path taken to a destination by sending Internet Control Message Protocol (ICMP) Echo Request messages to the destination with incrementally increasing Time to Live (TTL) field values

Question 6

What is the nslookup command used for?

Answer 6

Can be used to query DNS in either interactive or non interactive mode

Question 7

What is the ipconfog command used for?

Answer 7

Displays all current TCP/IP network configuration
values and refreshes Dynamic Host Configuration
Protocol (DHCP) and Domain Name System (DNS)
settings.

Question 8

What does /all when used with ipconfig do?

Answer 8

Displays the full TCP/IP configuration for all adapters.

Question 9

What does /displaydns when used with ipconfig do?

Answer 9

Displays the contents of the DNS client resolver cache, which includes both entries preloaded from the local Hosts file and any recently obtained resource records for name queries resolved by the computer. The DNS Client service uses this information to resolve frequently queried names quickly, before querying its configured DNS servers.

Question 10

What does /flushdns do?

Answer 10

Clears the DNS client resolver cache

Question 11

What are host files?

Answer 11

Preloaded DNS resource store on your computer

Question 12

What is the netstat command used for?

Answer 12

Displays active TCP connections, ports on which

the computer is listening

Question 13

What does -a used with the netstat command do?

Answer 13

Displays all active TCP connections and the TCP and UDP ports on which the computer is listening

Question 14

What does -n used with the netstat command do?

Answer 14

Displays active TCP connections with addresses and port numbers expressed numerically. No attempt is made to determine names

Question 15

What does -o used with the netstat command do?

Answer 15

Displays active TCP connections and includes the process ID (PID) for each connection

Question 16

What does interval used with the netstat command do?

Answer 16

Redisplays the selected information every Interval in

seconds

Question 17

How do you output a command into a text file?

Answer 17

Type command and the >filename.txt

Typing&raquo_space;filename.txt will add to you already exisiting file

Question 18

What is a batch file? (.bat)

Answer 18

a text file which contains a series of commands that you wish to run