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Question 1:
a. Differentiate between the several types of switching networks together with illustration.
b. With the help of a diagram explain the two modes of operation under a packet switched network.
Question 2:
a. Briefly describe the meaning of PPP and describe the main components of PPP?
b. How many fields make up the PPP frame and what are they?
c. What is Frame Relay and what kind of technology does it use?
d. Show a brief illustration of the Frame Relay Network.
e. Explain the difference between a SVC (Switched Virtual Circuit) and PVC (Permanent Virtual Circuit)
The term signaling is used to define communication about the network, as opposed to interaction that just uses the network. A computer uses signaling with reserved VCI/VPI numbe
It treats all processors as equivalent. Any processor can do the work of any other processor. Applications are separated into threads that can run simultaneously on any available p
Relevance and Protection regarding DNS Attacks While discussing about the relevance and protection of the database, there are many things which need to consider. Almost, may o
Can you describe the concept of subnetting?
i) Identify at least two items at every site that needs upgrading [2 Marks] ii) What type of WAN connection (link) might you use to connect the three sites to each other?
Define the term Socks- Network security As it is well known, each type of network security protects data at a different layer of the OSI model. Built-in at each layer lies the
Maintaining the sequence number The other advantage of GBN is that it maintain the next sequence number.
It is possible for a datagram to generate ICMP errors after it has been fragmented. For example, suppose that each of two fragments cannot be delivered. Seemingly, this would mean
PRAM is one of the models used for designing the parallel algorithm as given in Figure. The PRAM models have the following components: A set of identical type of processors
Asynchronous or Statistical Time Division Multiplexing As we have seen synchronous TDM does not guarantee that the full capacity of a link in sued. In fact it is more like
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