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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
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what are network performance characteristics?
User Datagram Protocol - UDP is a connectionless oriented transport protocol for use when the upper layers give error-recovery and reliability. UDP does not sequence data or re-ass
Define DNS?
Q. Show the Error control in TCP? Error control in TCP Detect lost segments, out-of-order segments, corrupted segments and duplicated segments Three tools: chec
One of the key roles of a System/Network Administrator is to monitor log files. This usually requires helper scripts (i.e. Perl programs) so a summary of large log files can be qui
What are Diagrams and Trigrams? The most ordinary two letter combinations are known as diagrams. e.g. th, in, er, re and an. The most common three letter combinations are known
Name the basic components of the router?
What is the use of a default gateway? Default gateways give means for the local networks to connect to the external network. The default gateway for connecting to the external
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