Networking And Protocols

Week 2 Homework 1. What atomic enactment 18 the four layers of the contagious disease control communications communications protocol/IP model? coat layer, channelize Layer, network layer, and the Networking Interface layer 2. Which layer of the TCP/IP model bear upon requests from hosts to make accepted a connecter is made to the appropriate port? The Application layer 3. What ar well known ports? Port amount 1 1023 are considered well know ports 4. Identify the port numbers for the undermentioned applications. a. Telnet 23 b. HTTP 80 c. FTP 20, 21 d. DNS 53 e. DHCP 67, 68 5. Define the finding of a connection oriented protocol. divulge an example. It means it establishes the network connection, manages the info transferred, and terminates the connection. An example of this is a windowpanepane size of zero is advertised, the vector will not commit any further entropy until it receive s an acknowledgment with a nonzero window value. 6. What three packets are transfer between two hosts when establishing a TCP connection? SYN, SYN ACK, ACK 7. What is the purpose of a sequence number (SEQ=) in TCP data packets?

The sequence number is utilize to keep track of the data packets being transferred from Host A to Host B 8. Explain 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 th at terminates the connection. 10. Wha! t is a connectionless protocol? Give an example. UDP User Dataprogram Protocol is a connectionless protocol. An example is an Internet audio feed.If you want to get a full essay, lay out it on our website: OrderEssay.net

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