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Question:
a) In relation to network design, give two reasons why the building-block approach is favoured to the traditional approach.
b) Explain the following steps in relation to building-block approach.
i) Geographic Scope ii) Capacity Planning iii) Network Requirement
c) How is a logical network diagram different from that of a physical network diagram?
d) Give four measures that could be taken to reduce overall network costs.
e) Differentiate between each of the following:
i) TCO and NCO ii) Packet-Level and Application-Level firewalls iii) RAID-10 and RAID-5
Recognize the command that configures serial0 for PPP encapsulation Ans) Router(config-if)# encapsulation ppp
What is a Web server? This new model of Client/Server having of thin, portable, "universal" clients that talk to super fat servers. In the easiest form, a web server returns do
What common software problems can lead to network defects? Software related problems can be any or a combination of the following: - Client server problems - Application
Alice sends a message to Bob, encrypted with a symmetric key. Bob decrypts the message and finds it is a purchase order for an expensive workstation. When the time comes to deliver
Q. Show the properties of Microwaves? Microwaves - Frequencies among 1 and 300 GHz - Unidirectional - Narrow focus requires sending as well as receiving antennas to
UDP is connectionless, and does not give error checking. But remember, error checking can happen at other layers too.
DNS ID hacking The Dns use ID system in order to keep track of each every request and replies. In order to spoof the DNS’s response, the hacker needs to do ID Hacking. In orde
Butterfly permutation This permutation is getting by interchanging the important significant bit in address with smallest significant bit.
Command Structure: Commands are all-upper-case strings, either 4 or 6 characters in length. Table 1 shows the commands, and (for method commands) the parameters, return values, ex
Address Resolution Protocol resolves the MAC address if the IP address is known. It is a layer 3 protocol.
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