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What are proxy servers and how do they protect computer networks?
Proxy servers primarily stop external users who identifying the IP addresses of an internal network. Without information of the correct IP address, even the physical location of the network can't be identified. Proxy servers can make a network virtually invisible to external users.
Describe what is meant by Asymmetric Multiprocessing (AMP)? Ans) It imposses hierarchy and a division of labour between processors. Only one designated processor, the master, co
Name the activities does routing protocol perform?
What is the difference between routable and non- routable protocols? Ans) Routable protocols can work with a router and can be used to build huge networks. Non-Routable protocol
Q. Physical Layer Responsibilities of osi model? - Physical characteristics of interfaces as well as media - Representation of bits with no interpretation - Data rate is
Q. Fiber-Optic Cable as transmission media? - Made of glass signals are transmit like light pulses from an LED or laser - Light is as well a form of electromagnetic energy
Question: (a) Explain how a Token Ring networks allows sharing of bandwidth (access control). (b) (i) CSMA/CD is not appropriate for wireless communication. Explain wh
Reliability Reliability is the measure of how often a network is usable. MTSF( Mean time Between Failure) is a measure of the average time a component is expected to ope
Cross Bar : The crossbar network is simplest interconnection network. It has a double dimensional grid of switches. It's a Non-blocking network and offers connectivity between out
The "ipx delay number" command will permit an administrator to alter the default settings. Explain the default settings? Ans) For LAN interfaces, one tick; for WAN interfaces, s
The progress of any industry and indeed countries as well, today is linked to the effective performance of its equipments, processes and systems. Reliability engineering, not only
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