Nt1430 Unit 8 Assignment 1

Unit 8 Assignment 1 1. Describe the similarities and differences between these utilities: a. SCP and FTP i. Both are used to transfer files from one system to another via network connection. SCP only works through a secure shell while FTP has nothing to do with security while FTP has no security involved and operates under its own interface. b. SSH and Telnet ii. Both are used to control a. computer remotely. SSH is more secure than Telnet. c. RSH and SSH iii. Both are remote connections. RSH is not protected and connections are unencrypted. SSH connections are very secure. 3. Explain the client/server model. Give three examples of services on Linux systems that take advantage of this model. a. Client/ Server model- server provides resources for which one or more users can access. b. Three examples are: Web Server, Mail Server, and SSH Server 5. What is the difference between the World Wide Web and the Internet? a. WWW i. Way of retrieving information over the medium of the Internet. It is an information-sharing model that is built on top of the Internet. The Web uses the HTTP protocol, only one of the languages spoken over the Internet, to transmit data. b. Internet iv. Connects masses of computers together globally, forming a network in which any computer can communicate with any other computer as long as they are both connected to the Internet.
P. 641 1. What is the difference between the scp and sftp utilities? a. SCP only allows file transfers b. SFTP has more features such as directory listings, and resuming downloads. 3. How would you use scp to copy your ~/.bashrc file from bravo to the local system? a. scp –r user@bravo:~/.bashrc 5. What problem can enabling compression present when using ssh to run remote X11