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(i) Determine the type of headers labelled with A and B. Differentiate betwen header A and B. In your answer, discuss TWO (2) differences between the respective headers. (ii)

(i) Determine the type of headers labelled with A and B. Differentiate betwen header A and B. In your answer, discuss TWO (2) differences between the respective headers. (ii)

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
Problem 1PE
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a) Examine Figure 4-1 shown below and answer the following questions: Header A Source Port Destination Port Length Checksum Header B Source Port Destination Port Sequence Number Acknowledgement Number Неader Reserved Control Bits Window Length Checksum Urgent Options Figure 4-1: Headers (i) Determine the type of headers labelled with A and B. (ii) Differentiate between header A and B. In your answer, discuss TWO (2) differences between the respective headers.
Transcribed Image Text:a) Examine Figure 4-1 shown below and answer the following questions: Header A Source Port Destination Port Length Checksum Header B Source Port Destination Port Sequence Number Acknowledgement Number Неader Reserved Control Bits Window Length Checksum Urgent Options Figure 4-1: Headers (i) Determine the type of headers labelled with A and B. (ii) Differentiate between header A and B. In your answer, discuss TWO (2) differences between the respective headers.
b) Laptop0 sends an email message to PCO and Mail Server0 communicates with Mail Serverl to transport messages from one domain to another as depicted in Figure 4-2. Answer the following questions: A Mail Servero Mail Server1 В Laptopo Sender PCO Receiver Figure 4-2: Mail Servers Diagram (i) Identify the name of the protocol labelled with A, B and C. (ii) Discuss THREE (3) differences between the protocols determined in Question 4 b) (i).
Transcribed Image Text:b) Laptop0 sends an email message to PCO and Mail Server0 communicates with Mail Serverl to transport messages from one domain to another as depicted in Figure 4-2. Answer the following questions: A Mail Servero Mail Server1 В Laptopo Sender PCO Receiver Figure 4-2: Mail Servers Diagram (i) Identify the name of the protocol labelled with A, B and C. (ii) Discuss THREE (3) differences between the protocols determined in Question 4 b) (i).
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