TCP And UDP Ports Flashcards

1
Q

TCP port 1720 is used by…

A

H.323

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2
Q

A network administrator wants to secure the existing access to a directory service with SSL/TLS encryption. Which of the following TCP ports needs to be opened to implement this change?

A

636

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3
Q

TCP port 389 is the default network port for:

A

LDAP

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4
Q

Which of the TCP port numbers listed below is assigned to the Internet Message Access Protocol (IMAP)?

A

143

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5
Q

Post Office Protocol v3 (POP3) uses:

A

TCP port 110

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6
Q

Which of the following protocols runs on TCP port 445?

A

SMB/CIFS

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7
Q

Which of the ports listed below are assigned to the Session Initiation Protocol (SIP)? (Select 2 answers)

A
  • TCP port 5060

- TCP port 5061

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8
Q

Network Time Protocol (NTP) runs on UDP port:

A

123

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9
Q

A network technician uses Remote Desktop Protocol (RDP) client on their Windows OS to remotely troubleshoot a problem on another Windows machine. Which of the following ports needs to be opened for the built-in Windows RDP server to allow this type of network connection?

A

TCP port 3389

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10
Q

SNMP runs on UDP port:

A

161

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11
Q

Which of the following ports is used by HTTPS?

A

TCP port 443

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12
Q

TCP port 80 is assigned to:

A

Hypertext Transfer Protocol (HTTP)

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13
Q

Dynamic Host Configuration Protocol (DHCP) runs on: (Select 2 answers)

A
  • UDP port 67

- UDP port 68

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14
Q

Which of the TCP ports listed below is used by Telnet?

A

23

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15
Q

UDP port 69 is assigned to:

A

TFTP

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16
Q

Which port enables the FTP’s Data Connection for sending file data?

A

TCP port 20

17
Q

The File Transfer Protocol (FTP) Control Connection for administering a session is established through:

A

TCP port 21

18
Q

Unblocking TCP port 22 enables what type of traffic? (Select 2 answers)

A
  • SSH

- SFTP

19
Q

Secure File Transfer Protocol (SFTP) is an extension to the Secure Shell protocol (SSH) and runs by default on TCP port 22.

A

True

20
Q

TCP port 25 is used by:

A

SMTP

21
Q

Which of the following UDP ports is assigned to the Domain Name System (DNS)?

A

53

22
Q

Secure Shell (SSH) protocol runs on:

A

TCP port 22