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Network Fundamentals > 1.5 Common Ports and Protocols > Flashcards

1.5 Common Ports and Protocols Flashcards

1
Q

What port/s does File Transfer Protocol (FTP) use?

A

20 and 21.

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2
Q

What port/s does Secure Shell (SSH) use?

A

22.

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3
Q

What port/s does Secure File Transfer Protocol (SFTP) use?

A

22.

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4
Q

What port/s does Telnet use?

A

23.

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5
Q

What port/s does Simple Mail Transfer Protocol (SMTP) use?

A

25.

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6
Q

What port/s does Domain Name System (DNS) use?

A

53.

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7
Q

What port/s does Dynamic Host Configuration Protocol (DHCP) use?

A

67 and 68.

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8
Q

What port/s does Trivial File Transfer Protocol (TFTP) use?

A

69.

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9
Q

What port/s does Hypertext Transfer Protocol (HTTP) use?

A

80.

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10
Q

What port/s does Post Office Protocol v3 (POP3) use?

A

110.

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11
Q

What port/s does Network Time Protocol (NTP) use?

A

123.

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12
Q

What port/s does Internet Message Access Protocol (IMAP) use?

A

143.

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13
Q

What port/s does Simple Network Management Protocol (SNMP) use?

A

161 and 162.

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14
Q

What port/s does Lightweight Directory Access Protocol (LDAP) use?

A

389.

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15
Q

What port/s does Hypertext Transfer Protocol Secure (HTTPS) [Secure Sockets Layer (SSL)] use?

A

443.

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16
Q

What port/s does HTTPS [Transport Layer Security (TLS)] use?

A

443.

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17
Q

What port/s does Server Message Block (SMB) use?

A

445.

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18
Q

What port/s does Syslog use?

A

514.

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19
Q

What port/s does SMTP TLS use?

A

587.

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20
Q

What port/s does Lightweight Directory Access Protocol (over SSL) (LDAPS) use?

A

636.

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21
Q

What port/s does IMAP over SSL use?

A

993.

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22
Q

What port/s does POP3 over SSL use?

A

995.

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23
Q

What port/s does Structured Query Language (SQL) Server use?

A

1433.

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24
Q

What port/s does SQLnet use?

A

1521.

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25
Q

What port/s does MySQL use?

A

3306.

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26
Q

What port/s does Remote Desktop Protocol (RDP) use?

A

3389.

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27
Q

What port/s does Session Initiation Protocol (SIP) use?

A

5060 for non-encrypted traffic. 5061 for TLS encrypted traffic.

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28
Q

What protocol uses ports 20 and 21?

A

File Transfer Protocol (FTP).

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29
Q

What protocol uses port 22?

A

Secure Shell (SSH).

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30
Q

What other protocol uses port 22?

A

Secure File Transfer Protocol (SFTP).

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31
Q

What protocol uses port 23?

A

Telnet.

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32
Q

What protocol uses port 25?

A

Simple Mail Transfer Protocol (SMTP).

33
Q

What protocol uses port 53?

A

Domain Name System (DNS).

34
Q

What protocol uses ports 67 and 68?

A

Dynamic Host Configuration Protocol (DHCP).

35
Q

What protocol uses port 69?

A

Trivial File Transfer Protocol (TFTP).

36
Q

What protocol uses port 80?

A

Hypertext Transfer Protocol (HTTP).

37
Q

What protocol uses port 110?

A

Post Office Protocol v3 (POP3).

38
Q

What protocol uses port 123?

A

Network Time Protocol (NTP).

39
Q

What protocol uses port 143?

A

Internet Message Access Protocol (IMAP).

40
Q

What protocol uses ports 161 and 162?

A

Simple Network Management Protocol (SNMP).

41
Q

What protocol uses port 389?

A

Lightweight Directory Access Protocol (LDAP).

42
Q

What protocol used port 443?

A

Hypertext Transfer Protocol Secure (HTTPS) [Secure Sockets Layer (SSL)].

43
Q

What protocol now uses port 443?

A

HTTPS [Transport Layer Security (TLS)].

44
Q

What protocol uses port 445?

A

Server Message Block (SMB).

45
Q

What protocol uses port 514?

A

Syslog.

46
Q

What protocol uses port 587?

A

Server Message Block (SMB TLS) [Transport Layer Security]

47
Q

What protocol uses port 636?

A

Lightweight Directory Access Protocol (over SSL) (LDAPS).

48
Q

What protocol uses port 993?

A

Internet Message Access Protocol (IMAP) over Secure Sockets Layer (SSL).

49
Q

What protocol uses port 995?

A

Post Office Protocol v3 (POP3) over Secure Sockets Layer (SSL).

50
Q

What protocol uses port 1433?

A

Structured Query Language (SQL) Server.

51
Q

What protocol uses port 1521?

A

SQLnet.

52
Q

What protocol uses port 3306?

A

MySQL.

53
Q

What protocol uses port 3389?

A

Remote Desktop Protocol (RDP).

54
Q

What is the purpose of File Transfer Protocol (FTP)?

A

Transfers files between clients and servers.

55
Q

What is the purpose of Secure Shell (SSH)?

A

Remote shell login and command execution with encryption. Replaces Telnet.

56
Q

What is the purpose of Secure File Transfer Protocol (SFTP)?

A

An extension to SSH that provides secure file transfer and file system access.

57
Q

What is the purpose of Telnet?

A

Remote shell login and command execution which used plain text. Now obsolete, replaced by SSH.

58
Q

What is the purpose of Simple Mail Transfer Protocol (SMTP)?

A

Sends e-mail off a domain.

59
Q

What is the purpose of Domain Name System (DNS)?

A

Resolves fully qualified domain names (FQDN) to their IP addresses.

60
Q

What is the purpose of Dynamic Host Configuration Protocol (DHCP)?

A

Provides clients configuration information including IP addresses, subnet mask, default gateway, and IP addresses of DNS servers.

61
Q

What is the purpose of Hypertext Transfer Protocol (HTTP)?

A

Defines the formatting, transmission, and actions done by Web servers and clients. Passes everything in plain text.

62
Q

What is the purpose of Post Office Protocol v3 (POP3)?

A

Retrieves e-mail from a server and stores it on a local machine. Now obsolete, replaced by IMAP.

63
Q

What is the purpose of Network Time Protocol (NTP)?

A

Synchronises clocks between networked devices.

64
Q

What is the purpose of Internet Message Access Protocol (IMAP)?

A

Retrieves mail from a server to an e-mail client, but you’re working directly on the server the entire time.

65
Q

What is the purpose of Simple Network Management Protocol (SNMP)?

A

Collects information from networking devices for management and monitoring purposes.

66
Q

What is the purpose of Lightweight Directory Access Protocol (LDAP)?

A

Accesses and maintains distributed directory information services related to users, groups, computers, and more. Implemented on Microsoft servers through Active Directory.

67
Q

What is the purpose of Hypertext Transfer Protocol Secure (HTTPS) Secure Sockets Layer (SSL)?

A

Provided authentication, confidentiality, and integrity to exchanges between Web servers and clients. Now obsolete.

68
Q

What is the purpose of Hypertext Transfer Protocol Secure (HTTPS) Transfer Layer Secure (TLS)?

A

Provides authentication, confidentiality, and integrity to exchanges between Web servers and clients. SSL’s successor.

69
Q

What is the purpose of Server Message Block (SMB)?

A

Provides shared access to files, printers, and more.

70
Q

What is the purpose of Syslog?

A

A message logging standard that separates the software generating the messages, the system storing the messages, and the software reporting and analysing the messages.

71
Q

What is the purpose of Simple Mail Transfer Protocol (SMTP) TLS?

A

Secures SMTP with Transport Layer Security (TLS).

72
Q

What is the purpose of Lightweight Directory Access Protocol (over SSL) (LDAPS)?

A

Secured LDAP with SSL (and later with TLS), but is now deprecated.

73
Q

What is the purpose of Internet Message Access Protocol (IMAP) over SSL?

A

Secures IMAP with Secure Sockets Layer, now obsolete. IMAP now uses Transport Layer Security (TLS).

74
Q

What is the purpose of Post Office Protocol v3 (POP3) over SSL?

A

Secures POP3 with Secure Sockets Layer then Transport Layer Security. POP3 is now obsolete.

75
Q

What is the purpose of Structured Query Language (SQL) Server?

A

Port 1433/TCP connects to the SQL database instance of Microsofts SQL Server.

76
Q

What is the purpose of SQLnet?

A

The Oracle server listener that clients connect to.

77
Q

What is the purpose of MySQL?

A

The MySQL RDBMS (relational database management system) server that clients connect to.

78
Q

What is the purpose of Remote Desktop Protocol (RDP)?

A

Microsoft protocol that allows for connecting to another computer through a GUI.

79
Q

What is the purpose of Session Initiation Protocol (SIP)?

A

Establishes, modifies, and terminates VoIP calls.

Network Fundamentals (8 decks)

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