Quiz 3 – “Test Yourself” 21 Linux Basic Questions

This is the third post of “Test Yourself Series“. This Series was aimed to make you learn, interactively and it has seen good response from the users part, so far. This post is aimed at making you aware of most of the Ports, and is very much useful for the Interview point of view. Before starting the Quiz, let me tell you some of the theoretical part of the section PORTS.

What is a Port

In computer networking, the term port is an application or process specific software that refer to either physical or virtual communications endpoint in a computer’s host operating system.

Range of Ports

0 to 65535, hence a total of 65536 ports are available. A port Number filed is 16 Bit, a limitation of TCP/IP stack. Hence available ports are 216 = 65536.

Can I change the Default port number to custom port Number? – YES!

How do I see open ports on Linux System?

# nmap

Moving ahead, here we brining the most 21 Questions on Ports. So, Post your Answers in Comment Section along with Reasons and do mention your Name and Email ID. You are supposed to provide Answer exactly in the format as shown.

Answer: 
1(a) - xyz, 
2(d) - xyz
3(c) - xyz
.....
.....
.....

Answering in any other than the above said format will lead to rejection of your comment, without any consideration.

Based upon Lucky Contest we will post the Name and Photo of the WINNER on TecMint Homepage, who gets maximum right answer. This contest is open till Saturday September 14th, 2013, 1:00 PM IST. Hurry Up! Get Famous through us.

Please attention, WINNER will be announced on Monday 16th September 2013. Make sure you add correct Name and Email ID when you enter answers. Which will help us to contact you via email.

Quiz 3: 21 Basic Questions on Ports

Q1: The default Port number used by File Transfer Protocol?

1. 20
2. 21
3. 22
4. None of the Above

Q2: The Port number used by Secure Shell?

1. 997
2. 8080
3. 22
4. None of the Above

Q3: Port number 23 Used by?

1. Default port for Telnet
2. Reserved
3. Default Port for Msp
4. Default Port for Qotd

Q4: Simple Mail Transfer Protocol (SMTP) uses port Number

1. 25
2. 24
3. 80
4. 1

Q5: Host Name Server by default, is configured to use Port Number

1. 41
2. 42
3. 43
4. 44

Q6: Which of the following Service(s) use Port Number 80

1. http
2. apache
3. www
4. www-http
5. All of the Above

Q7: SQL Services (sqlserv) is configured to use Port Number

1. 115
2. 116
3. 117
4. 118
5. None of the Above

Q8: Hyper Text Transfer Protocol with Secure Socket Layer (https) run on Port?

1. 80
2. 8080
3. 8443
4. 443
5. None of the Above

Q9: The Domain Name Sevrer uses Port Number

1. 53
2. 54
3. 55
4. 56
5. None of the Above

Q10: Dynamic Host Configuration Protocol (DHCP) uses Port

1. 67
2. 68
3. 69
4. 70

Q11: POP3 is a Mail delivery Agent uses Port Number

1. 110
2. 111
3. Both (a) and (b)
4. None of the Above

Q12: NetBIOS (nmbd) is configured on Port Number

1. 107
2. 117
3. 127
4. 137

Q13: SMB-Samba (smbd) uses Port Number

1. 139
2. 149
3. 159
4. 169

Q14: Internet Message Access Protocol (IMAP) Uses Port

1. 147
2. 144
3. 143
4. 148

Q15: Lightweight Directory Access Protocol (LDAP), uses Port Number

1. 388
2. 389
3. 470
4. 10

Q16: ‘rsync’ uses Port Number

1. 573
2. 673
3. 773
4. 873

Q17: Mysql is Configured on Port Number

1. 3306
2. 27
3. 29
4. 30

Q18: Network File System (NFS) runs on Port

1. 700
2. 1899
3. 2000
4. 2049

Q19: Open Virtual Private Network (VPN) uses Port

1. 1182
2. 1192
3. 1194
4. 1195

Q20: X Window System Port Numbers Range

1. 5000-5063
2. 6000-6063
3. 7000-7063
4. 8000-8063

Q21: Where can you find all the port information in Linux?