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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)
Q. What are the Tools sued for Cryptography and Web Security? Tools - Cryptography VPN - remote access PGP - email Dedicated Circuits -tunnels' - IPSec
Link Layer To move to packet from one node( host or packet swtich0 to net node in the route the network layer relies on the services of the link layer. Particularl
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Flash It is also permanent storage device. It stores the compressed form of Cisco IOS software image and the NVRAM data. Device structure One flash socket Support 80
Coaxial Applications & Performance - Analog plus digital phone networks - Cable TV networks - Traditional Ethernet LANs - Power line and Home Networks-phone line -
Connecting Devices of bridges - Five kinds: - Repeaters - Hubs - Bridges - Two- and three-layer switches - Repeaters and hubs - layer one of Internet model -
Question: (a) Describe the importance of backups and the use of antivirus software. (b) With the help of an example/ illustration, explain the term encryption and explain
This lab introduces basic network capture concepts using Wireshark. Setup You will need a PC running Windows for this lab and you will need to install the Wireshark softwar
Security risks present on the networks Lots of risks are present everywhere on Internet as well as on Intranet, if it is not known what is being done. Every day a number of
What is the method of ICMP packets?
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