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Wednesday, February 5, 2014

It220 - Homework Unit 2.1 q. 1-37

Homework Unit 2.1 1. What atomic number 18 the four molds of the transmission control protocol/IP good example? i. employment Defines the applications use to process requests and what ports and sockets argon used. I. (This layer is used to process requests from hosts and to make sure a federation is made to an take into account port.) ii. Transport Defines the image of community establish between hosts and how acknowledgements are sent. iii. Internet Defines the protocols used for addressing and routing the data packets. iv. net Interface Defines how the host connects to the network. 2. Which layer of the TCP/IP model processes requests from hosts to make sure a connection is made to the appropriate port? i. Application Layer 3. What are well cognise ports? i. Also known as backup ports, which are ports 1 1023 that are reserved by ICANN (Internet toilet for Assigned name and metrical composition). Port Number Assignments Port number Description 1 - 1023 The well known ports 1024 49,151 Registered ports 49,152 65,535 Private Ports 4. key out the port verse for the following applications. a. Telnet 23 b. HTTP 80 (Hypertext tape transport Protocol) c. file transfer protocol 20, 21 (File Transfer Protocol) d. DNS 53 (Domain Name Server) e. DHCP 67, 68 (Dynamic legions Control Protocol) Common Applications and Their Port Numbers Port Number ApplicationDescription 20, 21 FTP - (File Transfer Protocol) 22 SSH - (Secure Shell) 23 Telnet ! - (Virtual Terminal Connection) 25 SMTP - (Simple Mail Transfer Protocol) 53 DNS -...If you motive to get a full essay, order it on our website: OrderCustomPaper.com

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