Ports Flashcards

1
Q

20

A

TCP / File Transfer Protocol (FTP)—Data connection

Make files available for download across a network (data connection port)

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2
Q

21

A

TCP / File Transfer Protocol (FTP)—Control connection

Make files available for download across a network (control connection port)

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3
Q

22

A

TCP / Secure Shell (SSH)

Make a secure connection to the command-line interface of a server

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4
Q

23

A

TCP / Telnet

Make an unsecure connection to the command-line interface of a server

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5
Q

25

A

TCP / Simple Mail Transfer Protocol (SMTP)

Transfer email messages across a network

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6
Q

53

A

TCP / UDP Domain Name System (DNS)

Facilitate identification of hosts by name alongside IP addressing

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7
Q

67

A

UDP / Dynamic Host Configuration Protocol (DHCP) Server

Provision an IP address configuration to clients

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8
Q

68

A

UDP / Dynamic Host Configuration Protocol (DHCP) Server

Provision an IP address configuration to clients

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9
Q

80

A

TCP / HyperText Transfer Protocol (HTTP)

Provision unsecure websites and web services

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10
Q

110

A

TCP / Post Office Protocol (POP)

Retrieve email messages from a server mailbox

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11
Q

137-139

A

UDP / TCP / NetBIOS over TCP/IP

Support networking features of legacy Windows versions

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12
Q

143

A

TCP /
Internet Mail Access Protocol (IMAP)

Read and manage mail messages on a server mailbox

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13
Q

161

A

UDP / Simple Network Management Protocol (SNMP)

Query status information from network devices

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14
Q

162

A

UDP / SNMP trap operation

Report status information to a management server

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15
Q

389

A

TCP / Lightweight Directory Access Protocol (LDAP)

Query information about network users and resources

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16
Q

443

A

TCP / HTTP Secure (HTTPS)

Provision secure websites and services

17
Q

445

A

TCP / Server Message Block (SMB)

Implement Windows-compatible file and printer sharing services on a local network (also sometimes referred to as Common Internet File System [CIFS])

18
Q

3389

A

TCP / Remote Desktop Protocol (RDP)

Make a secure connection to the graphical desktop of a computer