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Question 1 Describe the architecture and usage of ISDN
Question 2 Write about different network structures in use
Question 3 Explain the concept of framing in Data Link Layer and its importance in data communication
Question 4 Differentiate Noisy and Noiseless channels in Data Communication
Question 5 Explain firewall and also explain the components of firewall system
Question 6 Explain the two modes of IP Security
Q. Microwave Applications? - Unicasting - one-to-one communication among sender and receiver - Cellular phones - Satellite networks - Wireless LANs
Consider an RTP session consisting of five users, all of which are sending and receiving RTP packets into the same multicast address. Each user sends video at 200kbps. a) What
As the system administrator, you type "ppp authentication chap pap secret". Name the authentication method is used first in setting up a session? Ans) the authentication method
What is autonomous system? It is a collection of routers under the control of a one administrative authority and that uses a common Interior Gateway Protocol.
What is Stop-and-Wait Automatic Repeat Request? Error correction in Stop-and-Wait ARQ is implemented by keeping a copy of the sent frame and retransmitting of the frame when th
One of the key roles of a System/Network Administrator is to monitor log files. This usually requires helper scripts (i.e. Perl programs) so a summary of large log files can be qui
1. A low voltage digital device has a low state of 0 V and a high state of 1.8 V. It generates a signal train of high pulses at a rate of 1 MHz, these pulses having a 10 ns width a
Directly linked network have the lowest administrative distance of 0. They are considered the most reliable.
Question 1 Describe the following a. Internet Technologies b. Networks c. Media Access Control Question 2 Explain the various classes of networks Question 3 Describe various m
Short for Internet Message Access Protocol. This is another most prevalent protocol of internet standard for email usage apart from POP. Usually all the modern email server and cli
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