Security Tools Part 1 (Network Tools)

Question 1

What network diagnostic command will display possible routes and measure delays of packets across an IP network?

Answer 1

traceroute

Command: tracert/traceroute

Question 2

What utility is used to determine the IP address associated with a domain name, obtain mail server settings, and other DNS info?

Answer 2

nslookup (Windows and Linux) or dig (Linux)

Question 3

What utility displays network configurations and can modify DHCP and DNS settings?

Answer 3

ipconfig (windows) or ifconfig (Linux)

Question 4

What open source network scanner is used to discover hosts and services on a network by sending packets to analyze their responses?

Answer 4

nmap

Exam Tip: You need to know how to read an nmap scan for the test

Question 5

What utility is used to determine if a host is reachable on an IP network?

Answer 5

ping or pathping

Question 6

What open source packet generator/analyzer was created for TCP/IP protocol and is used for security auditing and testing firewalls and networks?

Answer 6

hping

Note: its used by nmap and is a more precise tool than ping

Question 7

What utility displays network connections for TCP, routing tables, and other network connection statistics?

Answer 7

netstat

Note: This just shows what your computer is connected to

Question 8

What utility reads and writes to network connections using either TCP or UDP for banner grabbing and can be used as a shell connection to remotely control a machine?

Answer 8

netcat

Question 9

What utility is used for viewing and modifying the local Address Resolution Protocol cache on a hose or server?

Answer 9

arp

Question 10

What utility is used to view and manipulate the IP routing table?

Answer 10

route