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Q. Mechanical Characteristics of RS232 interface?
- 9-pin connector
- 9-pin connector is more usually found in IBM-PC but it covers signals for asynchronous serial communication only
- Utilize male connector on DTE and female connector on DCE
- N.B.: all signal names are out looked from DTE
What are major types of networks and explain? Server-based network: Give centralized control of network resources and depend on server computers to give security and network
OBJECTIVES After reading this unit, you should be able to: Describe the basics of parallel programming; Explain the parallel programming based on message passing;
Access Networks and Physical Media Access networks are the physical links(S) that connect an end systems to its edge router. Which is the first router on a path fr
i) Identify at least two items at every site that needs upgrading [2 Marks] ii) What type of WAN connection (link) might you use to connect the three sites to each other?
In the transaction server, the client component usually consists of GUI and the server components usually having of SQL transactions against a database. These applications are know
The transport Layer Communication between computers is handled by the transport layer which is comprised of transmission control protocol (TCP) and the users datagram pro
What is backbone network? A backbone network is a centralized infrastructure that is intended to distribute dissimilar routes and data to various networks. It also handles mana
Explain what are the External Threats External security threats are the most problematic ones. Till date the greatest threat was the virus menace. Now, with the sophisticated
The diagram below offers an overall view on the methods use by both the OSI and TCP/IP model. ISO Approach - Occasionally called Horizontal Approach - OSI asse
Q. Applications of networks? End systems (hosts): - Run application programs - Example email, Web - At -edge of network Client/server model - Client host
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