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1. A small business with 1000 computer workstations is installing a new local area network. All of the users perfrom the usual operations of email, word processing. Internet browaing, and some preparation of spreadsheets. Approximately one-quarter of the employees perfrom a large number of client/server requests into a database system. Which local area network operating system would you recommend? State your reasoning.
2. A large wide area network covers the United States and has multiple nodes in evey state. The node in Denver crashes completely. How do the other nodes in the country find out about the crash if RIP is used? If OSPF is used?
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?
Determine the purpose of the key tag in the RRSIG resource record.
Given the need for secure, online business communications, analyze network security threats and vulnerabilities and design network security solutions
You note that peak network utilization occurse at approximately noon, when most of your employees are on lunch break. What could be causing the speak activity?
Social Networking is one of the hottest topics in knowledge management. Is it knowledge management?
You are hired to design an IP addressing scheme for five departments that will give security and access to Internet. Each department requires between 1,500 - 2,000 IP addresses.
Compare the time for a query and response for a complete DNS query and response (to all required nameservers) if M=1, M=2, and M=3.
Determine the size of Ethernet MAC addresses?
Suppose there is a 10 Mbps microwave link between a geostationary satellite and its base station on earth. What is the propagation delay of the link?
Discuss the role of Technology in improving the relationship building process Do you think that the setting of a PR department may be helpful for the ISP provider? Why?
An entrepreneur is interested in establishing her own world-wide satellite radio infrastructure and has requested your help. Describe and justify the infrastructure that you would develop.
Louisiana, also must be connected to both Memphis and Laramie at a rate of 512 kbps? Which solution is cheaper now? How about considering an MPLS over IP solution or a form of long-haul Ethernet?"
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