Networking Fundamentals: Quiz on Period 2

Name in English:

1. How many layers are in the standard OSI model?

• A. 5
• B. 4
• C. 7
• D. 6

2. Which layer of the OSI model is responsible for routing packets across different networks?

• A. Transport Layer
• B. Data Link Layer
• C. Physical Layer
• D. Network Layer

3. The TCP protocol provides reliable, connection-oriented communication. At which OSI layer does it operate?

• A. Layer 3 (Network)
• B. Layer 4 (Transport)
• C. Layer 5 (Session)
• D. Layer 2 (Data Link)

4. A standard Layer 2 switch operates at which layer of the OSI model?

• A. Physical Layer
• B. Data Link Layer
• C. Network Layer
• D. Transport Layer

5. Which layer of the OSI model is responsible for data encryption, compression, and translation?

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

6. What is the primary function of DNS (Domain Name System)?

• A. To assign IP addresses to devices.
• B. To translate domain names to IP addresses.
• C. To secure data transmission.
• D. To manage network traffic flow.

7. A router is a networking device that operates at which OSI layer?

• A. Layer 1
• B. Layer 2
• C. Layer 3
• D. Layer 4

8. The process of adding a header to data as it moves down the OSI stack is known as:

• A. Segmentation
• B. Encapsulation
• C. De-encapsulation
• D. Flow Control

9. Which protocol offers fast but unreliable, connectionless communication, often used for video streaming or online gaming?

• A. TCP
• B. IP
• C. UDP
• D. HTTP