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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
What is meant by horizontal scaling and vertical scaling? Ans) Horizontal scaling means adding or removing client workstations with only a small performance impact. Vertical
Given a five station token bus LAN with station addresses of 3000, 500, 100, 70, and 50. Stations with addresses of 5000, 4000, 400, 90, and 60 are waiting to enter the ring. Assum
Can you describe circuit level gateway?
Can you describe PPP packet format?
Enumerate about the Star networks Comments: 1 - If one connection/station fails the other devices aren't affected 2 - If central hub breaks down, the whole network fail
Question The circuit in the figure is driven by a 9 mV amplitude signal generator with an output impedance of 2 kW. What is the output voltage amplitude from the circuit in the
QUESTION a) The aim of a computer network is to increase efficiency and reduce costs. Explain how networks of computers achieve the above. b) Describe the star topology. Su
Subscriber Database Core network also hosts the subscribers database ( for e, g HLR in GSM systems). Subscriber database is accessed by core network nodes fro funct
Describe OSPF?
What is anonymous FTP and why would you use it Anonymous FTP enables users to join to a host without using a valid login and password. Generally, anonymous FTP uses a login kno
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