Internet Application Protocols

Question 1

Which layer uses HTTP/HTTPS?

Answer 1

Application layer

Question 2

What does HTTP stand for?

Answer 2

HyperText Transport Protocol

Question 3

Which layer uses SMTP?

Answer 3

Application layer

Question 4

What does SMTP stand for?

Answer 4

Simple Mail Transfer Protocol

Question 5

Which layer uses TCP?

Answer 5

Transport layer

Question 6

What does TCP stand for?

Answer 6

Transmission Control Protocol

Question 7

Which layer uses UDP?

Answer 7

Transport layer

Question 8

What does UDP stand for?

Answer 8

User Datagram Protocol

Question 9

Which layer uses IP?

Answer 9

Network layer

Question 10

What does IP stand for?

Answer 10

Internet Protocol

Question 11

Which layer uses WiFi?

Answer 11

Link layer

Question 12

Which layer uses Ethernet?

Answer 12

Link layer

Question 13

What is does HTTP transmit?

Answer 13

Web pages (HTML documents)

Question 14

What does SMTP transmit?

Answer 14

Email

Question 15

What are some differences between UDP and TCP?

Answer 15

TCP establishes connection before sending messages.
UDP is connectionless.
TCP is reliable (establishes connection before sending and waits for acknowledgement)
UDP is unreliable.
TCP provides flow control (it can slow down transmission to keep from overwhelming the receiver)
TCP provides congestion control (it can slow down if networks are overloaded)
UDP is streamlined, faster, and lightweight.
TCP is used for email which is less time sensitive.
UDP is good for DNS lookup and VoIP.

Question 16

Name three email transfer protocols

Answer 16

IMAP - Internet Message Access Protocol
POP3 - Post Office Protocol version 3
SMTP - Simple Mail Transfer Protocol