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1. What are the basic problems in data link layer? Why should we solve these problems24 2. If we need to send the data 101110, and we use CRC generator polynomial P(X) = X3 + 1. Calculate the redundant code for error detection. 3. Describe the workflow of CSMA/CD in shared channel.

1. What are the basic problems in data link layer? Why should we solve these problems24 2. If we need to send the data 101110, and we use CRC generator polynomial P(X) = X3 + 1. Calculate the redundant code for error detection. 3. Describe the workflow of CSMA/CD in shared channel.

Database System Concepts
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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1. What are the basic problems in data link layer? Why should we solve these problems? 2. If we need to send the data 101110, and we use CRC generator polynomial P(X) = X3 +1. Calculate the redundant code for error detection. 3. Describe the workflow of CSMA/CD in shared channel. 4. Suppose the switch has 6 interface linked with 5 hosts and 1 router as shown below. If the switch exchange table is empty and 4 frames were sent in order as shown in the table(Action). Fill the table according to the process of the switch. Submit: Switch D Action State of exchange table Interface to forward frames A - D D-A E → A A → E Reaseon
Transcribed Image Text:1. What are the basic problems in data link layer? Why should we solve these problems? 2. If we need to send the data 101110, and we use CRC generator polynomial P(X) = X3 +1. Calculate the redundant code for error detection. 3. Describe the workflow of CSMA/CD in shared channel. 4. Suppose the switch has 6 interface linked with 5 hosts and 1 router as shown below. If the switch exchange table is empty and 4 frames were sent in order as shown in the table(Action). Fill the table according to the process of the switch. Submit: Switch D Action State of exchange table Interface to forward frames A - D D-A E → A A → E Reaseon
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