Port Numbers

Question 1

FTP port number?

Answer 1

20, 21

Question 2

SSH port number?

Answer 2

22

Question 3

TELNET port number?

Answer 3

23

Question 4

SMTP port number?

Answer 4

25

Question 5

DNS port number?

Answer 5

53

Question 6

DHCP port number?

Answer 6

67, 68

Question 7

HTTP port number?

Answer 7

80

Question 8

POP3 port number?

Answer 8

110

Question 9

NNTP port number?

Answer 9

119

Question 10

NTP port number?

Answer 10

123

Question 11

IMAP port number?

Answer 11

143

Question 12

SNMP port number?

Answer 12

161

Question 13

IRC port number?

Answer 13

194

Question 14

HTTPS port number?

Answer 14

443

Question 15

RDP port number?

Answer 15

3389

Question 16

Which port(s) = FTP

Answer 16

20, 21

Question 17

Which port(s) = SSH

Answer 17

22

Question 18

Which port(s) = TELNET

Answer 18

23

Question 19

Which port(s) = SMTP

Answer 19

25

Question 20

Which port(s) = DNS

Answer 20

53

Question 21

Which port(s) = DHCP

Answer 21

67, 68

Question 22

Which port(s) = HTTP

Answer 22

80

Question 23

Which port(s) = POP3

Answer 23

110

Question 24

Which port(s) = NNTP

Answer 24

119

Question 25

Which port(s) = NTP

Answer 25

123

Question 26

Which port(s) = IMAP

Answer 26

143

Question 27

Which port(s) = SNMP

Answer 27

161

Question 28

Which port(s) = IRC

Answer 28

194

Question 29

Which port(s) = HTTPS

Answer 29

443

Question 30

Which port(s) = RDP

Answer 30

3389

Question 31

What is FTP responsible for?

Answer 31

File Transfer Protocol; transfer files over the Internet over ports 20, 21

Question 32

What is SSH responsible for?

Answer 32

Secure Shell; establishes a secure connection between server and remote computer over port 22

Question 33

What is TELNET responsible for?

Answer 33

Establishes an insecure connection between server and remote computer over port 23

Question 34

What is SMTP responsible for?

Answer 34

Simple Mail Transfer Protocol; secure email communication over port 25

Question 35

What is DNS responsible for?

Answer 35

Domain Name System; uses databases to link host names of computers or networks to their respective IP address(es) over port 53

Question 36

What is DHCP responsible for?

Answer 36

Dynamic Host Configuration Protocol; automatically assigns IP address-related information to clients on a network over ports 67, 68

Question 37

What is HTTP responsible for?

Answer 37

Hyper Text Transfer Protocol; allows web browsers to connect to web pages over port 80

Question 38

What is POP3 responsible for?

Answer 38

Post Office Protocol v3; allows email messages to be retrieved insecurely from SMTP servers to then download and view over port 110

Question 39

What is NNTP responsible for?

Answer 39

Network News Transfer Protocol; connects to Usenet servers and transfers newsgroup articles over the Internet on port 119

Question 40

What is NTP responsible for?

Answer 40

Network Time Protocol; used for synchronizing clocks between computer systems of UTC over port 123

Question 41

What is IMAP responsible for?

Answer 41

Internet Message Access Protocol; retrieve emails from a remote server WITHOUT downloading over port 143

Question 42

What is SNMP responsible for?

Answer 42

Simple Network Management Protocol; responsible for collecting, organizing, and modifying information about managed devices on IP networks over port 161

Question 43

What is IRC responsible for?

Answer 43

Internet Relay Chat; facilitates communication in the form of text over port 194

Question 44

What is HTTPS responsible for?

Answer 44

Hyper Text Transfer Protocol Secure; allows web browsers to connect to web pages securely over port 443

Question 45

What is RDP responsible for?

Answer 45

Remote Desktop Protocol; (developed by Microsoft) establishes a connection with a remote computer over port 3389

Question 46

What protocol type is used for FTP? A) TCP B) UDP C) A and B

Answer 46

A) TCP

Question 47

What protocol type is used for SSH? A) TCP B) UDP C) A and B

Answer 47

A) TCP

Question 48

What protocol type is used for TELNET? A) TCP B) UDP C) A and B

Answer 48

A) TCP

Question 49

What protocol type is used for SMTP? A) TCP B) UDP C) A and B

Answer 49

A) TCP

Question 50

What protocol type is used for DNS? A) TCP B) UDP C) A and B

Answer 50

C) A and B

Question 51

What protocol type is used for DHCP? A) TCP B) UDP C) A and B

Answer 51

C) A and B

Question 52

What protocol type is used for HTTP? A) TCP B) UDP C) A and B

Answer 52

A) TCP

Question 53

What protocol type is used for POP3? A) TCP B) UDP C) A and B

Answer 53

A) TCP

Question 54

What protocol type is used for NNTP? A) TCP B) UDP C) A and B

Answer 54

A) TCP

Question 55

What protocol type is used for NTP? A) TCP B) UDP C) A and B

Answer 55

A) TCP

Question 56

What protocol type is used for IMAP? A) TCP B) UDP C) A and B

Answer 56

A) TCP

Question 57

What protocol type is used for SNMP? A) TCP B) UDP C) A and B

Answer 57

C) A and B

Question 58

What protocol type is used for IRC? A) TCP B) UDP C) A and B

Answer 58

A) TCP

Question 59

What protocol type is used for HTTPS? A) TCP B) UDP C) A and B

Answer 59

A) TCP

Question 60

What protocol type is used for RDP? A) TCP B) UDP C) A and B

Answer 60

A) TCP