Protocol architecture - Quiz

Name

1. Which protocol operates at the application layer in the TCP/IP model?

IP

HTTP

IGP

Ethernet

2. How many layers are there in the TCP/IP protocol stack.

2

6

7

5

3. What is not a layer of the TCP/IP protocol stack.

Application

Physical

Session

Transport

4. What refers to a network layer packet (PDU).

Datagram

Data

Frame

Segment

5. What refers to a link layer packet (PDU).

Segment

Frame

Message

Datagram

6. Why are protocols important in networking?

They minimize hardware costs

They define the format and actions for communication

They disable unused network ports

They encrypt data automatically

7. What is the purpose of de-encapsulation?

Encrypting data

Removing headers and extracting original data

Converting analog signals to digital

Splitting data into smaller parts

8. How many layers does the ISO/OSI reference model have?

5

7

6

4

9. Which protocol ensures guaranteed delivery of application-layer messages?

UDP

TCP

IP

Ethernet

10. What is a characteristic of the UDP protocol.

Reliable

Guaranteed delivery

Connectionless

Provides flow control

11. What does encapsulation in networking refer to?

Adding a header and trailer to data

Breaking data into smaller segments

Encrypting data for security

Compressing data for storage

12. What is a characteristic of the TCP protocol.

Provides no congestion control

Delivery is not guaranteed

Unreliable

Connection-oriented

UNITRICS

Protocol architecture – Quiz

UNITRICS

ABOUT

SUPPORT