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CompTIA Network + > Port Numbers > Flashcards

Port Numbers Flashcards

Identify and describe port numbers and their respective names.

1
Q

FTP port number?

A

20, 21

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2
Q

SSH port number?

A

22

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3
Q

TELNET port number?

A

23

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4
Q

SMTP port number?

A

25

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5
Q

DNS port number?

A

53

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6
Q

DHCP port number?

A

67, 68

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7
Q

HTTP port number?

A

80

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8
Q

POP3 port number?

A

110

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9
Q

NNTP port number?

A

119

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10
Q

NTP port number?

A

123

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11
Q

IMAP port number?

A

143

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12
Q

SNMP port number?

A

161

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13
Q

IRC port number?

A

194

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14
Q

HTTPS port number?

A

443

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15
Q

RDP port number?

A

3389

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16
Q

Which port(s) = FTP

A

20, 21

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17
Q

Which port(s) = SSH

A

22

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18
Q

Which port(s) = TELNET

A

23

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19
Q

Which port(s) = SMTP

A

25

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20
Q

Which port(s) = DNS

A

53

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21
Q

Which port(s) = DHCP

A

67, 68

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22
Q

Which port(s) = HTTP

A

80

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23
Q

Which port(s) = POP3

A

110

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24
Q

Which port(s) = NNTP

A

119

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25
Q

Which port(s) = NTP

26
Q

Which port(s) = IMAP

27
Q

Which port(s) = SNMP

28
Q

Which port(s) = IRC

29
Q

Which port(s) = HTTPS

30
Q

Which port(s) = RDP

31
Q

What is FTP responsible for?

A

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

32
Q

What is SSH responsible for?

A

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

33
Q

What is TELNET responsible for?

A

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

34
Q

What is SMTP responsible for?

A

Simple Mail Transfer Protocol; secure email communication over port 25

35
Q

What is DNS responsible for?

A

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

36
Q

What is DHCP responsible for?

A

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

37
Q

What is HTTP responsible for?

A

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

38
Q

What is POP3 responsible for?

A

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

39
Q

What is NNTP responsible for?

A

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

40
Q

What is NTP responsible for?

A

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

41
Q

What is IMAP responsible for?

A

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

42
Q

What is SNMP responsible for?

A

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

43
Q

What is IRC responsible for?

A

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

44
Q

What is HTTPS responsible for?

A

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

45
Q

What is RDP responsible for?

A

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

46
Q

What protocol type is used for FTP?

A) TCP
B) UDP
C) A and B

47
Q

What protocol type is used for SSH?

A) TCP
B) UDP
C) A and B

48
Q

What protocol type is used for TELNET?

A) TCP
B) UDP
C) A and B

49
Q

What protocol type is used for SMTP?

A) TCP
B) UDP
C) A and B

50
Q

What protocol type is used for DNS?

A) TCP
B) UDP
C) A and B

A

C) A and B

51
Q

What protocol type is used for DHCP?

A) TCP
B) UDP
C) A and B

A

C) A and B

52
Q

What protocol type is used for HTTP?

A) TCP
B) UDP
C) A and B

53
Q

What protocol type is used for POP3?

A) TCP
B) UDP
C) A and B

54
Q

What protocol type is used for NNTP?

A) TCP
B) UDP
C) A and B

55
Q

What protocol type is used for NTP?

A) TCP
B) UDP
C) A and B

56
Q

What protocol type is used for IMAP?

A) TCP
B) UDP
C) A and B

57
Q

What protocol type is used for SNMP?

A) TCP
B) UDP
C) A and B

A

C) A and B

58
Q

What protocol type is used for IRC?

A) TCP
B) UDP
C) A and B

59
Q

What protocol type is used for HTTPS?

A) TCP
B) UDP
C) A and B

60
Q

What protocol type is used for RDP?

A) TCP
B) UDP
C) A and B

CompTIA Network + (22 decks)

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