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CompTIA Network+ N10-008 - Jason Dion Notes > Ports and Protocols > Flashcards

Ports and Protocols Flashcards

1
Q

What is File Transfer Protocol (FTP)?

A

Provides insecure file transfer

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2
Q

What ports does FTP use?

A

20 (data port), 21 (control port)

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3
Q

What is Secure File Transfer Protocol (SFTP)?

A

Provides secure file transfers

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4
Q

What ports does SFTP use?

A

Port 22

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5
Q

What is Telnet?

A

Provides insecure remote control of another machine using a text-based environment

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6
Q

What port does Telnet use?

A

Port 23

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7
Q

What is Simple Mail Transfer Protocol (SMTP)?

A

Provides the ability to send emails over the network

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8
Q

What port does SMTP use?

A

Port 25

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9
Q

What is Domain Name Service (DNS)?

A

Converts domain names to IP addresses, and IP to domain names

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10
Q

What port does DNS use?

A

Port 53

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11
Q

What is Dynamic Host Control Protocol (DHCP)?

A

Automatically provides network parameters to your clients, such as their assigned IP address, subnet mask, default gateway, and the DNS server they should use

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12
Q

What port does DHCP use?

A

Port 67, 68

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13
Q

What is Trivial File Transfer Protocol (TFTP)?

A

Used as a lightweight file transfer method for sending configuration files or network booting of an operating system

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14
Q

What port does TFTP use?

A

Port 69

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15
Q

What is Hypertext Transfer Protocol (HTTP)?

A

Used for insecure web browsing

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16
Q

What port does HTTP use?

A

Port 80

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17
Q

What is Post Office Protocol 3 (POP3)?

A

Used for receiving incoming emails

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18
Q

What port does POP3 use?

A

Port 110

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19
Q

What is Network Time Protocol (NTP)?

A

Used to keep accurate time for clients on a network

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20
Q

What port does NTP use?

A

Port 123

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21
Q

What is Network Basic Input / Output System (NetBIOS)

A

Used for file or print sharing on a Windows network

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22
Q

What port does NetBIOS use?

A

Port 139

23
Q

What is Internet Mail Application Protocol (IMAP)?

A

A newer method of retrieving incoming emails which improves upon the older POP3

24
Q

What port does IMAP use?

A

Port 143

25
Q

What is Simple Mail Transfer Protocol (SMTP)?

A

Used to collect data about network devices and monitor their status

26
Q

What port does SMTP use?

A

Port 161, 162

27
Q

What is Lightweight Directory Access Protocol (LDAP)?

A

Used to provide directory services to your network

28
Q

What port does LDAP use?

A

389

29
Q

What is Hypertext Transfer Protocol - Secure (HTTPS)

A

Used for secure web browsing

30
Q

What is SSL?

A

Secure Socket Layer

31
Q

What is TLS?

A

Transport Layer Security

32
Q

What is Server Message Block (SMB)?

A

Used for Windows file printer sharing services

33
Q

What port does SMB use?

A

Port 445

34
Q

What is System Logging Protocol (Syslog)?

A

Used to send logging data back to a centralized server

35
Q

What port does Syslog use?

A

Port 154

36
Q

What is Simple Mail Transfer Protocol Transport Layer Security (SMTP)?

A

Secure and encrypt way to send emails

37
Q

What port does SMTP use?

A

Port 587

38
Q

What is Lightweight Directory Access Protocol (LDAP)?

A

Port 636

39
Q

What is Internet Message Access Protocol over SSL?

A

Secure and encrypted way to receive emails

40
Q

What port does Internet Message Access Protocol over SSL use?

A

Port 993

41
Q

What is Post Office Protocol Version 3 over SSL (POP3 over SSL)?

A

Secure and encrypted way to receive emails

42
Q

What port does Post Office Protocol Version 3 over SSL use?

A

Port 995

43
Q

What is Structured Query Language (SQL)?

A

Used for communication from a client to the database engine

44
Q

What port does SQL use?

A

1433

45
Q

What is SQLnet Protocol?

A

Used for client communication from a client to an Oracle database

46
Q

SQLnet port?

A

Port 1521

47
Q

What is MySQL?

A

Used for communication from a client to the MYSQL database engineer

48
Q

What port does MySQL use?

A

Port 3306

49
Q

What is Remote Desktop Protocol?

A

Provides graphical remote control of another client or server

50
Q

What port does RDP use?

A

Port 3389

51
Q

What is Session Initiation Protocol (SIP)

A

Used to initiate VoIP and video calls

52
Q

What port does SIP use?

A

Port 5060, 5061

53
Q

How can you find open ports on Linux?

A

nmap -sS (syn scan) -O (find operating system) [ip address] | more

54
Q

What is a GUI tool you can use to scan ports?

A

Zenmap

CompTIA Network+ N10-008 - Jason Dion Notes (6 decks)

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