OSI & TCP/IP Models MCQs with Answers

The Internet is a global network that connects millions of devices through which protocol?

• A.HTTP
• B.FTP
• C.TCP/IP
• D.SMTP

What term is used to describe mechanisms that detect and correct errors during the transmission of frames in a network?

• A.Flow control
• B.Error control
• C.Access control
• D.Congestion control

In networking, what term is used to describe the continuous flow of communication messages?

• A.Channel
• B.Stream
• C.Session
• D.Flow

In the OSI model, what type of data unit is used at the Data Link layer?

• A.Bits
• B.Frames
• C.Packets
• D.Segments

What does the abbreviation MAC stand for in networking?

• A.Media Access Control
• B.Machine Address Code
• C.Multiple Access Channel
• D.Memory Access Controller

What are the primary functions of the Presentation Layer in the OSI model?

• A.Translation, Encryption/Decryption, and Compression
• B.Translation and Encryption only
• C.Encryption and Compression only
• D.All of these

What is the fifth layer of the OSI model known as?

• A.Transport Layer
• B.Session Layer
• C.Presentation Layer
• D.Network Layer