Commands

Question 1

ping and traceroute/tracert

Answer 1

Ping: Used for checking connectivity between devices.

Traceroute/Tracert: Used for tracing the path between the source and destination.

Question 2

ipconfig ifconfig and nbstat

Answer 2

Check and refresh TCP/IP network configurations on Windows using ipconfig and on Linux/OS X using ifconfig.

Used to view the current connections and statistics for devices communicating using the NetBIOS over TCP/IP protocol

Question 3

nslookup and dig

Answer 3

Nslookup: Used for DNS queries.

Dig: Similar to nslookup, used for DNS queries (more common in Linux/OS X environments).

Question 4

arp

Answer 4

Used for viewing and modifying ARP cache entries.

Question 5

route

Answer 5

Used for viewing and manipulating routing tables.

Question 6

netstat

Answer 6

Used for displaying active network connections and statistics.

Question 7

nmap

Answer 7

Used for network discovery and security scanning.

Question 8

ip

Answer 8

Ip (Linux/OS X): Used for configuring network interfaces.

Question 9

hostname

Answer 9

Used for viewing the hostname of the system.

Question 10

telnet

Answer 10

Used for establishing connections to network devices (often disabled due to security concerns).

Question 11

tcpdump

Answer 11

tcpdump: Used for capturing and analyzing network packets.

Question 12

show interface

Answer 12

Cisco Network Platform Command - Displays statistics for the network interfaces on the device.

Question 12

show config

Answer 12

Cisco Network Platform Command - Displays the current configuration of the system to the screen.

Question 13

show route

Answer 13

Cisco Network Platform Command - Displays the current state of the routing table on the device.