Test Your Knowledge About Common Network Port Numbers? Quiz!
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Do you have any experience with common network port numbers? This quiz can help you to find out exactly what they are if you are not sure and test your knowledge if you are already well-versed with them. The most commonly used and best-known port numbers are those numbers of 0 to 123, which is committed to internet use, but they reach much higher for specialized purposes. This quiz will tell you all about standard network port numbers.
- 1.
ICMP
- A.
80
- B.
23
- C.
7
- D.
21
Correct Answer
C. 7Explanation
ICMP is ping/pong (verify if the connection is Alice, by echoing packets)Rate this question:
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- 2.
FTP
- A.
23
- B.
21
- C.
25
- D.
49
Correct Answer
B. 21Explanation
Is used to upload and download files from the server.Rate this question:
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- 3.
SSH
- A.
22
- B.
110
- C.
88
- D.
119
Correct Answer
A. 22Explanation
Remote login protocolRate this question:
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- 4.
TelNet
- A.
7
- B.
21
- C.
161
- D.
23
Correct Answer
D. 23Explanation
Allows the remote users to access the system.Rate this question:
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- 5.
SMTP
- A.
110
- B.
25
- C.
88
- D.
47
Correct Answer
B. 25Explanation
email/outgoing/microsoft outlook expressRate this question:
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- 6.
TACACS
- A.
49
- B.
53
- C.
69
- D.
79
Correct Answer
A. 49Explanation
Terminal Access Controller Access control systemRate this question:
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- 7.
DNS
- A.
49
- B.
53
- C.
123
- D.
445
Correct Answer
B. 53Explanation
Domain Names Services (converts friendly name to IP address)Rate this question:
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- 8.
TFTP
- A.
79
- B.
49
- C.
29
- D.
69
Correct Answer
D. 69Explanation
Trvial file transfer protocol(firmware updates like for firewall drivers)Rate this question:
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- 9.
Which of the following port numbers is used for Secure Shell (SSH) protocol?
- A.
21
- B.
22
- C.
23
- D.
25
Correct Answer
B. 22Explanation
Secure Shell (SSH) is a protocol used to securely connect to remote servers and devices. It operates on port number 22. Port 21 is used for FTP, port 23 is used for Telnet, and port 25 is used for SMTP.Rate this question:
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- 10.
HTTP
- A.
80
- B.
88
- C.
49
- D.
47
Correct Answer
A. 80Explanation
hyper text transfer protocolRate this question:
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- 11.
Kereberos
- A.
110
- B.
88
- C.
119
- D.
135
Correct Answer
B. 88Explanation
Server that talks dialect/Ispec (time based security token)Rate this question:
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- 12.
POP3
- A.
110
- B.
119
- C.
143
- D.
67
Correct Answer
A. 110Explanation
Email/Incoming/Microsoft outlook & expressRate this question:
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- 13.
NNTP
- A.
110
- B.
88
- C.
119
- D.
135
Correct Answer
C. 119Explanation
New News Transfer ProtocolRate this question:
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- 14.
NTP
- A.
123
- B.
143
- C.
161
- D.
389
Correct Answer
A. 123Explanation
TimeRate this question:
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- 15.
RPC to Net Bios
- A.
161-169
- B.
111-119
- C.
135-139
- D.
126-129
Correct Answer
C. 135-139Explanation
The correct answer is 135-139. These port numbers correspond to the NetBIOS (Network Basic Input/Output System) protocol, which is used for communication between computers on a local area network (LAN). NetBIOS allows applications on different computers to communicate with each other and share resources. Port numbers 135-139 are specifically used for NetBIOS session services, such as establishing and terminating connections, as well as for name services, which handle name registration and resolution.Rate this question:
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- 16.
IMAP
- A.
143
- B.
161
- C.
162
- D.
389
Correct Answer
A. 143Explanation
Instant message access protocol (firewall/router)Rate this question:
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- 17.
SNMP
- A.
445
- B.
79
- C.
80
- D.
161
Correct Answer
D. 161Explanation
Simple Network management Protocol (Active Directory)Rate this question:
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- 18.
SNMP-TRAP
- A.
143
- B.
163
- C.
162
- D.
119
Correct Answer
C. 162 -
- 19.
LDAP
- A.
389
- B.
162
- C.
443
- D.
110
Correct Answer
A. 389Explanation
Light Weight Directory Access Protocol (Active Directory)Rate this question:
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- 20.
HTTPS(SSL)
- A.
143
- B.
443
- C.
636
- D.
69
Correct Answer
B. 443Explanation
Hypertext Transfer Protocol Secure (SSL Public Certificate)Rate this question:
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- 21.
File Sharing
- A.
89
- B.
479
- C.
445
- D.
636
Correct Answer
C. 445Explanation
File and printer sharingRate this question:
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- 22.
LDAP over TLS/SSL
- A.
445
- B.
443
- C.
389
- D.
636
Correct Answer
D. 636Explanation
LDAP (Lightweight Directory Access Protocol) is a protocol used for accessing and managing directory information services. The given options represent different ports commonly used for LDAP communication. LDAP over TLS/SSL, also known as LDAPS, is a secure version of LDAP that uses SSL/TLS encryption to protect the data transmitted between the client and server. Port 636 is the standard port for LDAPS communication. Therefore, the correct answer is 636.Rate this question:
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- 23.
SQL
- A.
1433
- B.
1701
- C.
1720
- D.
1723
Correct Answer
A. 1433Explanation
Microsoft SQL serverRate this question:
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- 24.
L2TP
- A.
1600
- B.
1701
- C.
1723
- D.
1705
Correct Answer
B. 1701Explanation
The correct answer is 1701. L2TP (Layer 2 Tunneling Protocol) is a protocol used for creating virtual private networks (VPNs). It operates at the transport layer of the OSI model and uses UDP port 1701 for establishing and maintaining the tunnel between the client and server. This port is specifically designated for L2TP traffic, allowing for secure communication over the internet.Rate this question:
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- 25.
H323
- A.
1723
- B.
389
- C.
1720
- D.
1812
Correct Answer
C. 1720Explanation
Video ConferencingRate this question:
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- 26.
PPTP
- A.
143
- B.
636
- C.
1433
- D.
1723
Correct Answer
D. 1723Explanation
The correct answer is 1723. PPTP stands for Point-to-Point Tunneling Protocol, which is a network protocol used for creating VPNs (Virtual Private Networks). PPTP uses TCP port 1723 for establishing a connection between the client and the VPN server. Therefore, port 1723 is the correct answer as it is specifically associated with PPTP.Rate this question:
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- 27.
RADIUS
- A.
1812
- B.
2043
- C.
1701
- D.
1433
Correct Answer
A. 1812Explanation
UDP Remote Authetication Dial in User ServiceRate this question:
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- 28.
Which of the following port numbers is NOT typically associated with email services?
- A.
25
- B.
110
- C.
143
- D.
23
Correct Answer
D. 23Explanation
Port 23 is used for Telnet, a network protocol for remote command-line access. The other options are all related to email:
25: SMTP (Simple Mail Transfer Protocol) - Used for sending emails.
110: POP3 (Post Office Protocol version 3) - Used for retrieving emails.
143: IMAP (Internet Message Access Protocol) - Used for accessing and managing emails on a mail server.Rate this question:
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- 29.
Remote Desktop
- A.
6588
- B.
8080
- C.
3389
- D.
2045
Correct Answer
C. 3389Explanation
Port 3389 is the correct answer because it is the default port used by the Remote Desktop Protocol (RDP). RDP is a proprietary protocol developed by Microsoft that allows users to remotely connect to and control another computer over a network. By using port 3389, users can establish a secure remote desktop connection to a Windows-based computer. This port is commonly used for remote administration and accessing files and applications on a remote machine.Rate this question:
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- 30.
AnalogX
- A.
8080
- B.
9001
- C.
1723
- D.
6588
Correct Answer
D. 6588Explanation
For HTTP proxyRate this question:
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- 31.
Proxy Server
- A.
8080
- B.
6588
- C.
3389
- D.
2043
Correct Answer
A. 8080Explanation
memorizesRate this question:
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- 32.
Printersharing
- A.
8080
- B.
9001
- C.
2043
- D.
636
Correct Answer
B. 9001Explanation
For HP and LexmarkRate this question:
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- 33.
GRE of VPN
- A.
53
- B.
49
- C.
47
- D.
50
Correct Answer
C. 47Explanation
The given question seems to be incomplete or not readable as it only provides a list of numbers without any context or prompt. Therefore, it is not possible to generate an explanation for the correct answer.Rate this question:
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- 34.
VPN PPTP Internal
- A.
80
- B.
79
- C.
25
- D.
50
Correct Answer
D. 50Explanation
The given answer, 50, is the correct answer because it is the port number commonly used for PPTP (Point-to-Point Tunneling Protocol) VPN connections. PPTP is a protocol that allows secure and private communication between a client and a server over the internet. Port numbers are used to identify specific processes or services on a network, and port 50 is specifically assigned to PPTP VPN connections.Rate this question:
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- 35.
VPN L2TP external
- A.
500
- B.
161
- C.
88
- D.
110
Correct Answer
A. 500Explanation
The number "500" in this context could refer to a specific port number. In computer networking, port numbers are used to identify specific processes or services running on a device. In this case, "500" might be the port number associated with the VPN L2TP (Layer 2 Tunneling Protocol) external service. This port would be used for communication and data transfer related to the VPN L2TP protocol.Rate this question:
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- 36.
VPN encrypts and encapsulates
- A.
3389
- B.
1723
- C.
88
- D.
162
Correct Answer
B. 1723Explanation
The correct answer is 1723. VPN (Virtual Private Network) encrypts and encapsulates data to ensure secure transmission over a network. Port 1723 is commonly used for VPN communication using the PPTP (Point-to-Point Tunneling Protocol) protocol. PPTP establishes a secure connection by encapsulating data within IP packets and encrypting it, providing a secure and private communication channel.Rate this question:
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- 37.
BOOTP
- A.
59
- B.
47
- C.
67
- D.
80
Correct Answer
C. 67Explanation
BOOTP is a network protocol that allows a client to obtain its IP address automatically from a server. It stands for Bootstrap Protocol. The numbers 59, 47, 67, and 80 seem to be irrelevant to the question and do not provide any context or relation to BOOTP. Therefore, the correct answer is 67, which is likely the correct answer based on the given information.Rate this question:
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- 38.
BOOTTP Client
- A.
139
- B.
88
- C.
169
- D.
68
Correct Answer
D. 68 -
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Current Version
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Oct 20, 2024Quiz Edited by
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May 12, 2010Quiz Created by
Zombieface
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