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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.
If the host has the subnet ID why do we require a subnet mask?
Currently One more way of accessing the Internet being developed is the use of cable modems. These need that you subscribe to a cable service & let you two-way communication with t
Encryption/decryption using by SSL Once a session is established, the SSL generates a session key using public-key encryption to exchange information between the client and ser
What is source route and OSPF? Source route It is a series of IP addresses identifying the route a datagram must follow. A source route might optionally be included in an
What is NVT (Network Virtual Terminal) It is a set of rules explaining a very simple virtual terminal interaction. The NVT is used in the begin of a Telnet session.
IMPORTANT: The web server should be able to serve HTTP files only. You will not need to implement the directory listing and CGI-bin. Purpose The objective is to implement a H
Sonet Frame Transaction Transmitted one subsequent to another without any gap in between. First 2 bytes - alignment bytes. F628 in Hex. - define the beginning of every
different framing methods
Networks Edge and Technologies Network Edge provides information exchange between the access network and the core network. The devices and facilities in the network
ROLE OF DESIGN IN ACHIEVING RELIABILITY One of the most important methods for achieving high reliability is through design. Use reliability cannot be higher than the design re
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