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You have been hired by a small company to install a backbone to connect four 100base-T Ether- net LANs (each using one 24-port hub) and to provide a connection to the Internet. Develop a simple backbone and determine the total cost (i.e., select the backbone technology and price it, select the cabling and price it, select the devices and price them, and so on). Prices are available at www.datacommwarehouse.com, but use any source that is convenient. For simplicity, assume that cat- egory 5, category 5e, category 6, and ?ber-optic cable have a ?xed cost per circuit to buy and install, regardless of distance, of $50, $60, $120, and $300, respectively.
Describe how relative speed of 100BaseT LANs used at each location compares to accessing WAN link between two sites.
Research both legacy and VoIP telecommunications. Determine which one is more secure and why.Define what it is and how it will be used in the telecommunications model. Provide 3 sources for your ideas.
Is Nmap able to recognize operating system running on each system? Is there any Nmap feature which can be utilized to guess OS of host?
A typical signal sequence in synchronous connection contains significant amount of information in addition to just intended message or data.
A set up cost of $10 is incurred, and if any of product 2 is produced, a setup cost of $20 is incurred. Formulate an IP to maximize profits.
Design a switched network to compliment your routed network. Each department will require five switches that will plug into the router cards.
Research three web browsers. For each browser, try to use it to at least access, if not actively work with, each of the following type of common web sites.
Determine successive values of congestion window in bytes?
To avoid having whole network subject to PCI specifications, how will you segment network to reduce scope of compliance?
Fiber-optic line has reached capacity. What alternatives can the telephone company consider to increase capacity?
Assume that no packet or acknowledgement are dropped. Assume that A sends a packet to C and waits for its acknowledgement to come back from C. How long does it take until A gets that acknowledgement?
If IPSec gives security at network layer, why is it that security mechanisms are still require at layers above IP?
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