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Q. What is Authentication ?
- Verification of sender's identity.
- Accomplished through a digital signature, which is based on public key encryption/decryption.
- Uses reciprocity of RSA, however secret key is kept by the sender to -sign? the transmission.
ATM designers select cells over packets because of the following facts: Cells are fixed length and memory management for them is easy. Handling variable length packets tends
• This device creates one big collision domain and one large broadcast domain.
Explain about star topology This topology, obviously, needs a great deal of cabling. This design gives an excellent platform for reconfiguration and trouble-shooting. Changes t
What is inference? Ans) The principle of "inference" is fairly a simple one: being capable to derive new data from data that you already know. In a mathematical sense, querying
Give the Description of security tools Software are coming up in which the user can select the kind of security measure required to be taken for encryption. One such example is
Q. Show Nonreturn to Zero encoding? - Value of signal is for all time positive or negative - NRZ-L Signal level depends on bit represented; positive typically means 0
Explain in detail about wireless network Think about unseen terminal problem. Imagine a wireless network consist of five stations, A through E, such that each one them is in r
Distance covered, Based on size, ownership and physical architecture - LAN (Local Area Network) - Suitable for smaller geographical area - MAN (Metropolitan Area Network) - S
Disadvantages You typically would not use a packet filter as your only security solution for your network packets filters have two major disadvantages. a. Low securit
how does PPTP express the data?
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