Command line tools

Question 1

ipconfig

Answer 1

Displays IP address, subnet mask, and default gateway

Question 2

ipconfig /all

Answer 2

shows detailed network config including MAC address and DNS info

Question 3

ipconfig /flushdns

Answer 3

Clears the DNS cache to remove outdated or incorrect entries

Question 4

ping [hostname/IP]

Answer 4

Tests basic connectivity to another device and measures response time

Question 5

tracert [hostname/IP]

Answer 5

shows each hop a packet takes to reach its destination

Question 6

nslookup [hostname]

Answer 6

Queries DNS servers to resolve domain names to IP addresses.

Question 7

netstat

Answer 7

displays active network connections and listening ports.

Question 8

arp -a

Answer 8

Displays the ARP table (IP to MAC address mapping on local network)

Question 9

chkdsk

Answer 9

Checks the hard drive for file system errors and bad sectors.

Question 10

sfc /scannow

Answer 10

scans system files and replaces corrupted or missing ones.

Question 11

diskpart

Answer 11

opens the disk partitioning utility for managing volumes and drives.

Question 12

format

Answer 12

erases and prepares a storage device for use (formats a drive)

Question 13

dir

Answer 13

lists files and directories in the current folder.

Question 14

cd

Answer 14

changes the current working directory

Question 15

copy

Answer 15

copies one or more files to another location

Question 16

xcopy

Answer 16

copies files and directories, including subdirectories

Question 17

robocopy

Answer 17

more advanced file copy tool used for copying large sets of files/folders.

Question 18

net use

Answer 18

maps a network drive or disconnects a network connection