WAN Technologies and Port Numbers

Question 1

What is Dark Fiber?

Answer 1

Unused fiber optic cables from the ISP who overprepared.

Question 2

What is an Ethernet WAN?

Answer 2

A Wide Area Network that uses ethernet technologies.

Question 3

What is disruption of service?

Answer 3

Preventing legitimate access to resources to users that they are entitled to.

Question 4

What is Identity Theft?

Answer 4

When personal information is stolen from the purpose for taking over the identity of someone.

Question 5

What are intruders who gain access by modifying or exploiting software called?

Answer 5

Threat Actor

Question 6

What are the four types of threats?

Answer 6

• Information Theft
• Data Loss and Manipulation
• Identity Theft
• Disruption of Service

Question 7

What is information theft?

Answer 7

Breaking into a computer to obtain confidential data.

Question 8

What is a vulnerability?

Answer 8

A degree of weakness in a network or device.

Question 9

What does “TCP is a Stateful Connection” mean?

Answer 9

It keeps track of the state of the communication session

Question 10

What protocol does DNS use?

Answer 10

TCP and UDP

Question 11

POP3: UDP or TCP?

Answer 11

TCP

Question 12

FTP: UDP or TCP?

Answer 12

TCP

Question 13

SNMP: TCP or UDP?

Answer 13

UDP

Question 14

SMTP: TCP or UDP?

Answer 14

TCP

Question 15

DHCP: UDP or TCP?

Answer 15

UDP

Question 16

What uses port number 21?

Answer 16

File Transfer Protocol (FTP) Control

Question 17

What uses port number 22?

Answer 17

Secure Shell (SSH)

Question 18

What uses port number 161?

Answer 18

Simple Network Management Protocol (SNMP)

Question 19

What uses port number 68?

Answer 19

Dynamic Host Configuration Protocol (DHCP) Client

Question 20

What uses port number 25?

Answer 20

Simple Mail Transfer Protocol (SMTP)

Question 21

What uses port number 80?

Answer 21

Hypertext Transfer Protocol (HTTP)

Question 22

What uses port number 20?

Answer 22

File Transfer Protocol (FTP) Data

Question 23

What uses port number 69?

Answer 23

Trivial File Transfer Protocol (TFTP)

Question 24

What uses port number 67?

Answer 24

Dynamic Host Configuration Protocol (DHCP) Server

Question 25

What uses port number 443?

Answer 25

Hypertext Transfer Protocol Secure (HTTPS)

Question 26

What uses port number 143?

Answer 26

Internet Message Access Protocol (IMAP)

Question 27

What uses port number 53?

Answer 27

Domain Name System (DNS)

Question 28

What uses port number 110?

Answer 28

Post Office Protocol version 3 (POP3)

Question 29

What uses port number 23?

Answer 29

Telnet