5.Which of the following is the function of the Network layer? A routing B Medium Access Control C Encode/Decode D process to process communication

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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**Question 5: Network Layer Function**

**Question:**
Which of the following is the function of the Network layer?

**Answer Choices:**
- **A. routing**
- **B. Medium Access Control**
- **C. Encode/Decode**
- **D. process to process communication**
Transcribed Image Text:**Question 5: Network Layer Function** **Question:** Which of the following is the function of the Network layer? **Answer Choices:** - **A. routing** - **B. Medium Access Control** - **C. Encode/Decode** - **D. process to process communication**
---

### Quiz Question: Medium Access Protocols for Ethernet Networks

**Question 4:**
Which of the following medium access protocols are used for Ethernet networks?

**Options:**
- **A.** CSMA/CA
- **B.** ALOHA
- **C.** CSMA/CD
- **D.** TDMA

---

**Explanation:**

Ethernet networks typically use the **CSMA/CD (Carrier Sense Multiple Access with Collision Detection)** protocol. This protocol helps manage how packets of data are transmitted in a shared network to avoid collisions and ensure smooth communication.

- **CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)** is typically used in wireless networks like WiFi to avoid collisions.
- **ALOHA** is a simple communication scheme used in satellite and wireless data networks.
- **TDMA (Time Division Multiple Access)** divides the channel into time slots assigned to different streams of data, often used in cellular networks.

---
Transcribed Image Text:--- ### Quiz Question: Medium Access Protocols for Ethernet Networks **Question 4:** Which of the following medium access protocols are used for Ethernet networks? **Options:** - **A.** CSMA/CA - **B.** ALOHA - **C.** CSMA/CD - **D.** TDMA --- **Explanation:** Ethernet networks typically use the **CSMA/CD (Carrier Sense Multiple Access with Collision Detection)** protocol. This protocol helps manage how packets of data are transmitted in a shared network to avoid collisions and ensure smooth communication. - **CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)** is typically used in wireless networks like WiFi to avoid collisions. - **ALOHA** is a simple communication scheme used in satellite and wireless data networks. - **TDMA (Time Division Multiple Access)** divides the channel into time slots assigned to different streams of data, often used in cellular networks. ---
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