5.3 Network Software Tools and Commands

Question 1

What is a Wi-Fi analyzer?

Answer 1

Helps the administrator see the various wireless access points (WAPs), SSIDs, security issues, the MAC addresses of the WAPs, and the strength of the signal

Question 2

What are Packet Capture tools?

Answer 2

Used to collect network frames and packets for analysis and troubleshooting.

Question 3

What is a Protocol Analyzer?

Answer 3

Provides an analysis of packet captures and allows the administrator to see the information contained inside the captured data.

Question 4

What is a Bandwidth Speed Tester?

Answer 4

Used to view the maximum download speed and maximum upload speed for a given connection.

Question 5

What is a Port Scanner?

Answer 5

Port scanners allow an administrator to verify that ports are not being firewalled and that they are open awaiting a request.

Question 6

What is the iPerf software tool?

Answer 6

Allows you to measure the performance of a network path.

Question 7

What is a NetFlow Analyzer?

Answer 7

Will analyze exported NetFlow information into a visual representation so that you can identify problems.

Question 8

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

Answer 8

Upgrading network devices and maintenance of configuration files.

Question 9

What is Terminal Emulator software?

Answer 9

Allows for console-based access via a serial port, Telnet, or SSH session.

Question 10

What is an IP scanner?

Answer 10

A software tool that will scan a range of IP addresses and report back the IP addresses that respond.

Question 11

What is the ping command used for?

Answer 11

Verify that a host is reachable via layer 3 connectivity.

Question 12

What is the ipconfig (Windows) or ifconfig (Linux) used for?

Answer 12

Verify the IP address configuration of the host.

Question 13

What can the Linux ifconfig also be used for?

Answer 13

Configure the IP address/subnet mask and promiscuous mode and turn the interface up and down.

Question 14

What is the nslookup command used for?

Answer 14

Helps us test DNS resource records from a specific DNS server.

Question 15

What is the dig command used for?

Answer 15

Similar to the nslookup command; it allows us to verify name resolution for resource records

Question 16

What is the tracert (Windows) or traceroute (Linux) command used for?

Answer 16

Allows us to see the path a packet will follow.

Question 17

What is the arp tool used for?

Answer 17

To view and configure the Address Resolution Protocol (ARP) table contained in the host’s memory.

Question 18

What is the netstat command used for?

Answer 18

To see the port bindings and TCP states on both Windows and Linux/Unix systems

Question 19

What is the hostname tool used for?

Answer 19

Will return the hostname of the system.

Question 20

What is the route commnd used for?

Answer 20

To configure routes and view the current routing table of the host.

Question 21

What is the telnet tool?

Answer 21

A console-based emulator that connect via the Telnet protocol.

Question 22

What is the tcpdump command used for?

Answer 22

A packet sniffer and is used to capture packets from the local host.

Question 23

What is the nmap tool used for?

Answer 23

Is a port scanner and helps us determine whether firewall ports are open and the services awaiting request.

Question 24

What is the show interface command used for?

Answer 24

Used to view the status and statistics for a given interface.

Question 25

What is the show running-config command used for?

Answer 25

Will display the configuration currently running in memory.

Question 26

What is the show startup-config command used for?

Answer 26

Will display the configuration that will be loaded on startup of the device.

Question 27

What is the show ip route command used for?

Answer 27

A Cisco router or switch will display the routing table.

Question 28

What is the route print command used for?

Answer 28

A Windows operating system will display the routing table.