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Question:
(a) With the help of a diagram, describe a typical DNS system.
(b) Using signal sequence or state transition diagrams, illustrate the following scenarios:
i. TCP connection set-up ii. Cumulative Acknowledgement (Given that Seq = 152, Data=8 bytes and 16 bytes) iii. Termination of a connection
(c) Describe the mechanism that is used to perform flow control in TCP.
(d) State the 3 major entities that consists the Electronic Mail system.
(e) For the network below (link costs shown), use the Link State algorithm (Dijkstra) to calculate the least cost route from C to all other nodes.
Multicast and Broadcast In broadcast interconnection network at an individual time one node sends the data and all other nodes obtain that data. Broadcast can be termed as on
Discuss the interdependence of networking hardware and software. Is it possible to have one without the other? Explain
Can you define IKE (Internet Key Exchange)?
use
Question: Wireless Access points have been known to have various security vulnerabilities that can lead to breach of Secured wired networks. IEEE 802.11 standards have identifi
Database servers connected as a cluster to the main server There could be three database servers connected as a cluster to the main server to provide better connectivity and se
The School of Computing is planning to deploy a new network structure to accommodate the following scenario. Please make suggestions on how this LAN can be designed based on the fl
S t d "B" 6.4 m Ku-BAND EARTH STATION (2004) D-Sat (District Satellite Project) circuits for rural connectivity via satellite are in operation. Purpose of this project i
Name the factors that affect the performance of the network? a. Number of Users b. Type of transmission medium c. Hardware d. Software
What are different ways of securing a computer network? There are lots of ways to do this. Install reliable and updated anti-virus program on all computers. Make sure firewalls
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