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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.
Q. What is Data Representation? Information Today arrives in different forms such as numbers, text, images, audio and video. Text: Represented like a bit pattern a sequence
Firewalls Firewalls emerged as a new technology in 1990s but its idea was present near two decades back. Historical context of "Firewall" is quite literal. It was in use to des
Connectionless Multiplexing and De multiplexing Java program running in a host can create a UDP socket with the line Datagram's socket my socket = new datagram's socket
Extranets can also be utilized to link an intranet to the Internet in order that remote offsite access can be built into a company's intranet through an authorized individual. It c
Communication, Resource sharing and Media (When many host share their resources with every other OR when many devices connect with each other for resource sharing )
Virtual Private Network ( VPNs) When we use the internet or the risks to the security of our data arise. The solve the security problem a virtual private network used for
Performance Running on inexpensive hardware oracle web cache increase the throughput of website by several orders of magnitude. In addition oracle web cache signific
Name various types of guided and unguided transmission media. If you are connecting your office computers through a local area network which transmission media would you use? Why?
Q. Describe Differential Manchester? - Inversion at middle of bit interval is utilized for synchronization - Presence or else absence of additional transition at beginning o
QUESTION (a) In CSS, each element in a document is considered to be in an invisible box. Give three ways how to make the box visible (b) (i) Explain the meaning and use of t
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