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Question:
a) Explain briefly three typical network topologies giving one advantage and one disadvantage of each topology. Explain the three topologies with appropriate diagrams.
b) Write brief notes on each of the following: i) BUS ii) Video card iii) BIOS iv) Modem
c) Distinguish between LAN and WAN.
d) Outline four ways how Information Technology had affected the quality of life?
Encryption/decryption using by SSL Once a session is established, the SSL generates a session key using public-key encryption to exchange information between the client and ser
Q. Show Coaxial Cable Connectors? - A most common is barrel connector (BNC) - T-connectors are utilized to branch off to secondary cables - Terminators are necessary for
In connectionless schema, there is no connection required. The source of data includes destination information in data and transmit to the network. Network transmit each data item
TYPES OF WIRES: Cable used for wiring would match the following: The intended speed The distance between computers The amount of noise Anticipated future r
Bridged Ethernet Raises bandwidth by dividing the network into smaller networks allowing concurrent communications Separates collision domains because traffic is lower
Extranet and Intranet An Extranet is a type of Intranet (Internal TCP/IP Network) that has been selectively opened to a firm's suppliers, customers. Intranet An intrane
What are the threats include in computer software The second component vulnerable to threats to the system is software. Threats to software may include, but are not limited to
What is VRC? It is the most common and least costly mechanism for Error Detection. In VRC, a parity bit is added to each data unit so that the total number of 1s becomes even f
What is OLTP? In the transaction server, the client component usually contains GUI and the server components usually having of SQL transactions against a database. These applic
The following information was obtained from a host computer: 00:05:17.176507 74.125.228.54.1270 > 64.254.128.66.25: S 2688560409:2688560409(0) win 16384 (DF) (ttl 46, id 2096
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