TOPIC 2 COMPUTER NETWORK

Name the fourth layer in OSI model with the correct function.

• Presentation layer, serves as a translator.

• Application layer, provides services to the user.

• Transport layer, provides the segmentation of a large data.

• Data link layer, framing the data.

What is the primary function of the Transport layer in the OSI model?

• Ensures reliable data transfer.

• Provides user interface services.

• Manages data formatting and encryption.

• Handles physical addressing of devices.

Which layer of the OSI model is responsible for routing data packets?

• Network layer.

• Data link layer.

• Session layer.

• Transport layer.

Identify the layer in the OSI model that deals with session management.

• Transport layer.

• Application layer.

• Session layer.

• Network layer.

Name three (3) email protocols in Clients and Server. Write the answer in CAPITAL LETTERS.

_____ is used to send the email.

• IEEE

• SMTP

• POP3

• HTTP

What protocol is primarily used for transferring files over the Internet?

• IMAP

• FTP

• HTTP

• SMTP

Choose the right pairing in email protocols. The answer can be more than one.

• FTP, HTTPS

• SMTP, IMAP4

• POP3, IMAP4

• SMTP, POP3

Class _____ of IP address is supporting an incredible networks.

• A

• B

• C

• D

10.134.21.149 is an IP address of a computer. What is the class of the IP address, and determine whether it is a public or private address?

• Class A, public

• Class A, private

• Class C, private

• Class B, public