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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 steps of forwarding the packets of information is known routing. The information about receivers is saved in routing tables. Note that several entries have same next hop. It is
TA is the standard ISDN term for a native ISDN modem
QUESTION a) List the seven layers of the ISO-OSI model and briefly describe the role of each layer b) Describe the functions of the following intermediate systems- Rep
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Q. Explain the Bit-Level Encryption? Bit-Level Encryption - Data is divided into blocks of bits then altered by encoding/decoding, permutation, substitution, exclusive OR
Q. Define the Network Security? The Internet and Web technology presents enormous promise for e-commerce. Web now is used to handle important business assets that became the
#question.what can we do with a spider when it red?.
Explain Ethernet Frame. The heart of Ethernet system is the Ethernet Frame, which is used to deliver information among the computers. The frame having of a set of bits organize
CAUSES OF FAILURES Every failure has a well-defined cause. Any system or device has an inherent strength or capacity to resist failures. This depends on design, material, man
DISTANCE-VECTOR ROUTING: It is easy to implement. Packet switch modifies its own routing table first. It is used in RIP. LINK-STATE ALGORITHM: It is ve
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