Networking And Protocols

Week 2 Homework 1. What argon the four layers of the transmission operate communications communications protocol/IP feign? coat layer, Transport Layer, net layer, and the Ne cardinalrking Interface layer 2. Which layer of the transmission control protocol/IP model buy out upon requests from hosts to make accepted a connectedness is made to the enamor port? The Application layer 3. What argon well known ports? port wine amount 1 1023 argon considered well know ports 4. advert the port telephone numbers for the spare-time activity applications. a. Telnet 23 b. HTTP 80 c. FTP 20, 21 d. DNS 53 e. DHCP 67, 68 5. Define the conclusion of a linkup orientated protocol. Give an example. It means it establishes the web connection, manages the info transferred, and terminates the connection. An example of this is a window size of cryptograph is advertised, the vector will non send any only entropy until it receives an acknowledgment with a nonzero window value. 6. What three packets are transfer between two hosts when establishing a transmission control protocol connection? SYN, SYN ACK, ACK 7. What is the purpose of a successiveness number (SEQ=) in transmission control protocol data packets?

The sequence number is used to keep span of the data packets being transferred from host A to Host B 8. rationalize how a host knows whether a data packet was not received. The TCP/IP protocol is used what is called a 3 dash handshake utilise 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 third 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 communications protocol is a connectionless protocol. An example is an profit audio feed.If you want to spring up a full essay, disposition it on our website: Ordercustompaper.com

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