goodAssignment 1 1. List the layers of the OSI model and the TCP/IP protocol suite (the Internet ...

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goodAssignment 1 1. List the layers of the OSI model and the TCP/IP protocol suite (the Internet  Model) 2. How do the layers of the OSI correlate to the layers of the TCP/IP protocol  suite? 3. Which layers of the TCP/IP protocol suite are the network support layers  and which layers are the user support layers? 4. What is data encapsulation (with respect to Questions 1-3)?    5. What are the responsibilities of the Data Link layer?    6. What is the difference between Network layer and Transport layer delivery?    7. If the Data link layer can detect errors between hops, why do you think we  need another mechanism at the Transport layer? 8.  What are the responsibilities of the Network layer?    9.  What are the responsibilities of the Transport layer?    10.  What is the difference between a port address, a logical address and a  physical address? 11.  Name some services provided by the Application layer    12. What are the advantages of combining Session, Presentation and Application  layers of the OSI model to a single layer in the TCP/IP protocol suite? 13. What is an advantage of a hierarchical name space over a flat name space for  a system the size of the Internet? 14. What is the difference between a primary and a secondary DNS?   15. Why do we need POP3 or IMAP for electronic mail?   16. What is the purpose of FTP?   17. What anonymous FTP?   18. How is HTTP related to WWW?   19. What is a URL and what are its components?   20. What is a proxy server and how is it related to HTTP?   21. What does HTML stand for and what is its function?   22. What are the SNMP components?   23. List the SNMP v1 and v2 message types and their function   24. Can two devices connected to the same Frame Relay network use the same  DLCIs?   25. Compare an SVC with a PVC   26. How is an ATM virtual connection identified?   27. Why is SONET called a synchronous network?

Amit · Accepted Answer

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Table of Contents
1.	Answer 1	4
2.	Answer 2	4
3.	Answer 3	4
4.	Answer 4	5
5.	Answer 5	5
6.	Answer 6	5
7.	Answer 7	5
8.	Answer 8	5
9.	Answer 9	6
10.	Answer 10	6
11.	Answer 11	6
12.	Answer 12	6
13.	Answer 13	6
14.	Answer 14	7
15.	Answer 15	7
16.	Answer 16	7
17.	Answer 17	7
18.	Answer 18	7
19.	Answer 19	7
20.	Answer 20	8
21.	Answer 21	8
22.	Answer 22	8
23.	Answer 23	8
24.	Answer 24	9
25.	Answer 25	9
26.	Answer 26	9
27.	Answer 27	9
28.	References:	10
1. Answer 1
The OSI model layers are: 
1. Application, 
2. Presentation,
3. Session, 
4. Transport,
5. Network, 
6. Data link, 
7. Physical.
The TCP/IP protocol suite layers are:
1. Application, 
2. Transport, 
3. Network, 
4. Data link, 
5. Physical.
2. Answer 2
As both protocol suites have different layers but the used communication process in network makes their correlation. 
3. Answer 3
The network support layers of TCP/IP are 
1. Physical, 
2. data link, 
3. network.
The user support layer is application layer. 
4. Answer 4
When sender device makes addition of header & trailer to the received message from passing layer and deliver the complete data packet to next occurring layer, then, it is called data encapsulation. 
5. Answer 5
The data link layer has following responsibilities: 
1. Error control, 
2. Framing, 
3. Moving frames of data from one node to other. 
6. Answer 6
When logical communication is developed among different hosts, then, this delivery is of network layer but when logical communication is occurred between running processes on separate host, then, this delivery is of transport layer.
7. Answer 7
The data link layer is not able to detect the error occurred to input and output port of any node, so, transport layer checking mechanism is required. 
8.

Assignment 1 1. List the layers of the OSI model and the TCP/IP protocol suite (the Internet Model) 2. How do the layers of the OSI correlate to the layers of the TCP/IP protocol suite? 3. Which...

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