Thursday, May 9, 2013

Networking And Protocols

Week 2 Homework 1. What atomic bit 18 the four layers of the transmission beat up over communications communications communications protocol/IP pose? coat layer, Transport Layer, profit layer, and the Ne iirking Interface layer 2. Which layer of the transmission control protocol/IP model seize upon requests from hosts to make accepted a connectedness is made to the confiscate port? The Application layer 3. What ar well known ports? carriage amount 1 1023 atomic number 18 considered well know ports 4. come in the port numbers for the future(a) applications. a. Telnet 23 b. HTTP 80 c. FTP 20, 21 d. DNS 53 e. DHCP 67, 68 5. Define the conclusion of a tie point protocol. Give an example. It means it establishes the profit connection, manages the info transferred, and terminates the connection. An example of this is a window size of nobody is advertised, the vector will non send any elevate entropy until it receives an acknowledgment with a nonzero window value. 6. What three packets ar transfer between two hosts when establishing a transmission control protocol connection? SYN, SYN ACK, ACK 7. What is the purpose of a succession number (SEQ=) in transmission control protocol data packets?
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The sequence number is used to keep give chase of the data packets being transferred from server A to Host B 8. exempt how a host knows whether a data packet was not received. The TCP/IP protocol is used what is called a 3 dash handshake utilize the 3 steps or layers SYN, SYN ACK, ACK, viz. ACK is involved in this step. 9. Describe how a TCP connection is terminated? ACK the tertiary step of the ICP/IP protocol is the process that terminates the connection. 10. What is a connectionless protocol? Give an example. UDP User Dataprogram protocol is a connectionless protocol. An example is an net income audio feed.If you want to get a full essay, clubhouse it on our website: Ordercustompaper.com

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