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(a) What is a pseudorandom generator? Give an example describing how it works.
(b) Explain the key components of a wireless network and their purpose.
(c) Describe the authentication used in WEP and WPA. Why is WPA better?
(d) Provide an example of how misconfiguration can put security at risk. Give four measures that may be implemented to improve security.
(e) Explain the schemes for distribution of public keys. In what ways are they vulnerable? What enhancement is given by Kerberos
In Star topology all computers are connected using a central device known as hub. Star networks are one of the most general computer network topologies. In its simplest way, a
(a) Describe the concept of zero knowledge proofs. Give a practical example. (b) Explain how a one way hash function works. (c) What are message authentication codes? (d)
Question: a) There are two basic approaches to dealing with errors in the presence of pipelining. One way is Go-Back-N and the other strategy is Selective Repeat. i. Explain
ADDRESS RESOLUTION AND PROTOCOL ADDRESSES Address resolution (ARP) is a network interface layer protocol. Protocol addresses are used in all upper layers. Address resolution s
types of firewall and backup
'Near Field Communication' (NFC) technologies are expected to become commonplace in the near future. Some relevant features are these: A suitable device (such as a mobile pho
Ask question #Minimum 100 words are there non parasitic viruses
Explain how can we achieved privacy in an e-mail system. The full form of PEM is Privacy Enhanced Mail: PEM is the internet Privacy Enhanced Mail standard adopted
You are free to design the format and structure of the routing table kept locally by each node and exchanged among neighboring nodes. 1. Upon the activation of the program, each
IPv6 ADDRESSING IPv6 has 128-bit addresses. A 128-bit address adds network prefix and host suffix. An benefit of IPv6 addressing is that there is address classes i.e. prefix/s
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