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Q. Use of Infrared?
- Frequencies among 300 GHz and 400 THz
- Short-range communication
- High frequencies can't penetrate walls
- Necessitate line-of-sight propagation
- Advantage prevents interference between systems in adjacent rooms
- Disadvantage can't use for long-range communication or outside a building due to sun's rays
What is Groupware server? Groupware addresses the management of semi-structured information like text, image, mail, bulletin boards and the flow of work. These Client/Server sy
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
Point out the drawbacks of Token Ring. Few of the drawbacks of Token Ring are: a. Token Ring is very costly. All topology components cost much more than other more popular s
Difference between Unicast and Anycast Unicast: An identifier for a single interface. A packet sent to a unicast address is delivered to the interface identified by that addres
Define Retransmission? Retransmission is a process in which the receiver detects the occurrence of an error and asks the sender to resend the message. Resending is repeated unt
Question 1 Explain the TCP/IP protocol suite. List (Network Interface Layer, Internet Layer, Transport Layer, Application Layer) Question 2 Write short note on
Question Which elementary logic gate is equivalent to this circuit? Show your working.
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
Virtual private network The virtual private networks takes the user data encrypts them and sends them to their destination over the internet. the sender and the receiv
Question 1: a) How is the four-way exchange employed for mutual authentication in WPA/RSN? b) Elaborate on how inquiry attacks and traffic monitoring attacks can be u
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