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Computer Networks
1. Differentiate WAN and LAN.
2. Describe the TCP/IP Reference Model with diagram.
3. Explain Circuit switching and message switching.
4. List the functions of (i) Routers (iii) Bridges.
5. State the terms Error Detection and Correction with respect to Data Transmission. Also describe the following concepts with respect to Error Detection and Correction:
a. Parity Bits b. Cyclic Redundancy Check
6. Write short notes on
(i) Non-Persistent CSMA (ii) 1-Persistent CSMA (iii) P - Persistent CSMA.
Q. What are the Tools sued for Cryptography and Web Security? Tools - Cryptography VPN - remote access PGP - email Dedicated Circuits -tunnels' - IPSec
The science and art of manipulating messages in order to create them secure is known as cryptography..... Two types are:- Symmetric key cryptography and Asymmetric key crypto
What is anonymous FTP and why would you use it Anonymous FTP enables users to join to a host without using a valid login and password. Generally, anonymous FTP uses a login kno
What is meant by Asymmetrical protocols? There is a many-to-one relationship among clients and server. Clients always initiate the dialog by requesting a service. Servers are p
The following DNA sequences are extracted from promoter region of genes which are co-regulated by the same transcription factor (TF). The nucleotide segments capitalized in the giv
Question 1: a) Give three examples of Shells in Linux. b) Differentiate between the Join command and the Paste command in Linux, use an example to support your answer.
how olve abenz network
What is a LAN? A LAN is a Local Area Network, within a single building or a specific confined space. LANs typically comprise only one transmission media type like coaxial cable
(a ) Std "A" 16.4 m C-BAND EARTH STATION (1996) This is the main system of this station and provides connectivity to most of the countries through dedicated transponder channe
Testing is used for estimate the quality of the product. Unit Testing is tested for every part of the product. Integrate the unit & tested.
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