CIS246 Course Discussions Week 3

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CIS246 Course Discussions Week 3
What exactly is TCP/IP, and what are the four layers that TCP/IP can be broken down into…

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CIS246 Course Discussions Week 3

CIS246 Course Discussions Week 3

All Students Posts 54 Pages

TCP/IP – 30 Pages 

There is an alphabet soup of protocols in TCP/IP: HTTP, FTP, SMTP, POP3, TCP, UDP, IP, ARP, ICMP, and others. What are the characteristics of these protocols? What are they used for? Has there been an evolution in any of these protocols? Are there any weaknesses or disadvantages? What exactly is TCP/IP, and what are the four layers that TCP/IP can be broken down into?

TCP stands for transmission control protocol. IP stands for Internet protocol. TCP/IP is the basic communication language (or protocol) of the internet. There are four layers: application, transport, Internet, and network interface. The application layer provides user access to network resources. It basically ensures a connection is made to an appropriate port. It also defines the rules, commands, and procedures that client software uses to talk to a service running on a server. The lecture has a good example: The HTTP protocol defines how Web browsers and Web servers communicate…

Network Servers -s 24 Pages 

Search the Internet for Windows servers by Dell, IBM, HP, and others. What are the features and prices? Which ones do you think would be appropriate for the various Windows Server 2008 editions? It is okay not to understand all of the specifications. When you find something you don’t know, ask the class. Server virtualization is the way forward for many organizations today. What is server virtualization all about? Why is it beneficial? When would it not be useful?

Server Virtualization is the masking of server resources such as the number and identity of individual physical servers, processors, etc. With the rising costs of technology, virtual servers allow people/companies to keep having to have physical servers at every worksite, you can virtualize that server and thus save some cash and also reduces service interruptions. One of the drawbacks to server virtualization is when one server fails, they all do. Another drawback is that virtual servers require a lot of space/hardware to run effectively…