Commands and Software Tools

Question 1

What is a WiFi analyzer used for?

Answer 1

WiFi analyzer: Used for detecting WiFi networks and analyzing signal strength and channels.

Question 2

What does a protocol analyzer/packet capture tool do?

Answer 2

Protocol analyzer/packet capture: Captures and analyzes network traffic to diagnose issues.

Question 3

How is a bandwidth speed tester used?

Answer 3

Bandwidth speed tester: Measures the speed and performance of network connections.

Question 4

What is the function of a port scanner?

Answer 4

Port scanner: Scans for open ports on a networked device to find vulnerabilities.

Question 5

What is iperf used for?

Answer 5

iperf: Tests network bandwidth and performance.

Question 6

What do NetFlow analyzers do?

Answer 6

NetFlow analyzers: Analyze and report on network traffic flow data.

Question 7

What is a Trivial File Transfer Protocol (TFTP) server used for?

Answer 7

Trivial File Transfer Protocol (TFTP) server: Used for simple file transfers over a network.

Question 8

What is the purpose of a terminal emulator?

Answer 8

Terminal emulator: Allows remote access to another computer or network device.

Question 9

How is an IP scanner utilized?

Answer 9

IP scanner: Scans a range of IP addresses to find active devices on a network.

Question 10

What does the command ping do?

Answer 10

ping: Tests connectivity to another networked device.

Question 11

How are ipconfig, ifconfig, and ip commands used?

Answer 11

ipconfig/ifconfig/ip: Display and configure network interface settings.

Question 12

What do the commands nslookup and dig do?

Answer 12

nslookup/dig: Query DNS servers for information about domain names and IP addresses.

Question 13

What is the purpose of traceroute/tracert?

Answer 13

traceroute/tracert: Shows the path packets take to reach a destination.

Question 14

What does the arp command do?

Answer 14

arp: Displays and modifies the IP-to-MAC address mapping.

Question 15

What information does the netstat command provide?

Answer 15

netstat: Displays network connections, routing tables, and interface statistics.

Question 16

What does the hostname command display?

Answer 16

hostname: Displays the current host name of the system.

Question 17

What is the function of the route command?

Answer 17

route: Displays and manipulates the IP routing table.

Question 18

How is telnet used in networking?

Answer 18

telnet: Used to connect to remote systems via a command-line interface.

Question 19

What does tcpdump do?

Answer 19

tcpdump: Captures and analyzes network packets in real-time.

Question 20

What is nmap used for?

Answer 20

nmap: Scans networks to discover hosts and services.

Question 21

What does the command show interface display?

Answer 21

show interface: Displays detailed information about network interfaces.

Question 22

What does the command show config do?

Answer 22

show config: Displays the current configuration of a network device.

Question 23

What information does the command show route provide?

Answer 23

show route: Displays the routing table of a network device.