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You have been asked to design a LAN for very successful CPA firm with 5 departments in one building and total of 500 employees. Currently, the firm has no networked computers and it is open to any suggestions you can offer. The firm does have a few requirements, however. It wants to ensure that it can easily expand its LAN in the future without exorbitant costs and without moving a lot of equipment. The firm also wants to ensure that every department has very fast access to the LAN and of course, it wants the LAN to remain up at all times. Decide which network design of operating system will use and what kind of LAN for this company. You may to draw the logical map and physical map to director. Suggest the license and some securities aspect for this firm.You need to suggest better solution for the network backbone with the devices e.g printers, fax machines, scanners, Photostat machines, telephone system etc to support the management. Assume that the floor map divided into 2 levels. The CIO requested to has one room for integrated printing section in each level. Yet, suggest the clients and appropriate server's specification and other devices if necessary.
Provide an example explaining the best use of Virus, Encryption, VPN, Firewall securities, when and why?Which security areas you are using and applying to your securities? Also explain why?
Coaxial cable is two-wire transmission system, determine the advantage of connecting outer conductor to ground? Explain the two layers: LLC & MAC.
It is considered good practice for the sender to pad every message, including messages in which the final message block is already complete. What is the motivation for including a padding block when padding is not needed.
When people describe client-server architecture, they are usually referring to a system in which a large server is serving a client on a PC. With X Window, the reverse is frequently the case. Explain
Segmentation of a file and forming FTP datagrams: Read first 'x' number of bytes and use them as part of payload section of an FTP datagram. Encapsulate the FTP datagram into TCP datagram (generation of TCP packets)
Try to devise a technique that will allow Arnold to establish a TCP connection with Bernard without application-specific NAT configuration. If you have difficulty devising such a technique, discuss why.
How would the maturation of the industry worldwide impact your business strategy?
Suppose a propagation speed of 100 km/hour. Assume caravan travels 150 km, beginning in front of tollbooth. Calculate the end-to-end delay.
In a sliding window error control system in which each byte is numbered, Station A sends a packet with bytes numbered 801 to 900. If the packet arrives with no errors, how does Station B respond?
An example of when a failure may occur is if the clinet's MAC address is explicitly excluded in the AP/router configuration. What are the benefits of this authentication scheme?
What is the theoretical maximum channel capacity (Kbps) of traditional telephone lines (POTS)? Will that be the actual maximum channel capacity?
Explain how a client process in a given end system can find the location of a given user to establish a connection, for example, Internet telephone, at a given point in time.
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