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Determine the computing infrastructure
One solution for the protection of the computing infrastructure is to use digital certificate-based solutions. Users can be given access based on their possession of certificates signed or authorised for access by or on behalf of the server to which they intend to have access. There are a number of certification solutions available in the market today. The certificate acts as evidence of the user's digital identity. Certificates can also be combined with other access control mechanisms, such as emails, money transactions, tokens (a form of identification hardware carried by users) or only accepting visitors from certain controlled group or authenticated addresses.
In slotted Aloha system, it has been measured that 70% of slots are occupied by frames (i.e. the remaining slots are empty). a) How many frames need to be transmitted, on aver
Q. Example of go back - N protocol? The window size is 4. A sender has sent frame 6 as well as the timer expires for frame 3 (frame 3 not ACKn'd). The sender goes back as we
Problem 1 Bring out the differences between POP and IMAP4 Problem 2 Discuss User Datagram protocol Problem 3 Explain the various steps in TCP congestion control
PING - Packet Internet Gopher A utility that shows connections to one or more remote hosts. The ping command uses the ICMP echo request and echo reply packets to verify whether
Describe the main factors of switching delay No. The speed of propagation is 200,000 km/sec or 200 meters/µsec. In 10 µsec signal travels 2 km. Therefore, each switch adds equi
Determine the level of Fibre Channel standard The Fibre Channel standard is organized into five levels: FC-0: The Physical Interface and Media Level handles a variety of phy
The term "forest" is used to explain a collection of AD domains that share a one schema for the AD. All DC's in the forest share this schema and it is replicated in a hierarchical
Illustrate the Bellman-Ford algorithm The Bellman-Ford algorithm uses only on information from its neighbours and knowledge of its link costs, to update it costs and paths. Dij
Fiber Optic Cable A fiber optic cable is made of glass or plastic and transmits signals in the form of light pulses. An optical fiber is a thin flexible medium conducts
Q. What are the benefits of layered network? Ans: Basic benefits of layered network are given below: - Complex systems will be broken down into understandable subsystems.
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