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Bridges
- Operate in both physical and data link layers
- Utilized to divide a network into smaller segments
- May as well relay frames between separate LANs
- Keeps traffic from every segment separate useful for controlling congestion and provides isolation, as well as security
Allows for transmission and receiving of data concurrently
There is a many-to-one relationship among clients and server. Clients always start the dialog by requesting a service. Servers are passively awaiting for requests from clients.
Define the analog audio and video conferencing systems When analog audio and video conferencing systems were used, the procurement and installation was complex, less reliable a
How to protect computer Hardware by threats The first component in the computer system vulnerable to attacks or threats, and most important to be protected, is the hardware.
By utilizing measurements of the so-called pseudo range between an object and each of several earth orbiting GPS satellites, the object can be very accurately located in space. A g
Q. Show the Function of Signals? - TD transmitted data - RD received data - DSR data set ready Indicate whether DCE is powered on - DTR signifies data termi
Q. Show the RS232 Logic Waveform ? RS-232 Interface Three most important wires for the Serial interface Transmit - Pin 2 Receive - Pin 3 Ground - Pin
Define the concept of Unicast IP address?
A network in which there is multiple network links among computers to provide multiple paths for data to travel.
What are the disadvantages of Star Topology? The disadvantages are considered as follows: a. Needs more cable than most topologies. b. Moderately complex to install.
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