Chapter 1: Mastering Security Basics

Question 1

MD5

Answer 1

Message Direct 5 - A cryptographic hashing algorithm that creates a fixed-length, irreversible output.

Question 2

Netstat

Answer 2

Displays a list of open connections. Includes both the IP address and the port.

Question 3

Tracert

Answer 3

Windows command used to track packet flow throughout a network.

Question 4

Arp command

Answer 4

Shows content of the address resolution protocol cache.

Question 5

Ping

Answer 5

Checks connectivity with a remote system.

Question 6

Ipconfig/Ifconfig

Answer 6

Shows the network settings on a computer.

Question 7

Hping

Answer 7

Linux command that uses TCP and UDP instead of just ICMP.

Question 8

Logger

Answer 8

Used to add entries into the syslog file.

Question 9

Journalctl

Answer 9

Queries the Linux system logging and displays log entries from several sources.

Question 10

Cat

Answer 10

Short for concatenate. Used to display contents of a file.