TCP and UDP Ports and Protocols

Question 1

What are the ports used by SMTP?

Answer 1

Port 25 is Standard and the Secure Port is 465

Question 2

What are the ports used by IMAP

Answer 2

Port 143 is Standard and the Secure Port is 993

Question 3

What are the ports used by POP3?

Answer 3

Port 110 is standard and the Secure Port is 995

Question 4

What is the Mail Protocol for sending between servers?

Answer 4

SMTP

Question 5

Which Internet Mail Protocol would you use to get your email if you had multiple devices?

Answer 5

Internet Message Access Protocol (IMAP)

Question 6

What port does SSL/TLS use?

Answer 6

Port 443 but it can be changed for greater security

Question 7

DNS (Domain Name System) is an Application Layer Service that uses what Protocol?

Answer 7

UDP (User Datagram Protocol)

Question 8

UDP uses what Logical Port Number?

Answer 8

Port 53

Question 9

DNS which uses UDP has a destination port of..

Answer 9

53

Question 10

MAC Address (Media Access Control) is a

Answer 10

Is a unique 12 digit number written in Hex

Question 11

The TCP/IP Protocol Stack (Also known as the TCP/IP Protocol Suite) is made up of what layers?

Answer 11

Physical (L1), Data Link (L2), Network (L3), Transport (L4) and the Application layer

Question 12

When speaking of the DNS Application, in what Layer of the TCP/IP Protocol Stack is UDP found?

Answer 12

UDP is in the Transport (L4) Layer and includes TCP/UDP Ports

Question 13

Application Layer Service Examples include

Answer 13

DNS and HTTP among others

Question 14

IP is at what Layer of the TCP/IP Protocol Stack?

Answer 14

Network Layer (L3) includes IP Addresses

Question 15

MAC Address is at what Layer of the TCP/IP Protocol Stack?

Answer 15

Data Link Layer (L2) includes L2 Addresses

Question 16

What Layer of the TCP/IP Protocol Stack is the Network Card at?

Answer 16

Physical (L1)