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Determine about the infrared spectrum
(1) The spectrum for infrared is virtually unlimited, which shows the possibility of achieving extremely high data rates.
(2) The infrared spectrum is unregulated worldwide, which is not true of some portions of the microwave spectrum.
(3)Infrared light is diffusely reflected by light-coloured objects; therefore it is possible to use ceiling reflection to achieve coverage of a whole room.
a) What does the "CD" mean in the CSMA/CD? How is it implemented in the Ethernet? b) Consider an Ethernet hub with 8 ports and an Ethernet switch with 8 ports. In both cases
Token Bus Frame Format No length field Data is able to be much larger (timers prevent hogs) Frame control Ack required? Data vs Control frame and how is
Briefly describe NAT and RIP NAT is Network Address Translation. This is a protocol that gives a way for multiple computers on a common network to share one connection to the I
A subnet is the part of an IP network.
The compression protocols for PPP are:- A. Stac B. Predictor
Explain the different asymmetric algorithms?
Q. Show the Subnetting process? Subnetting (cont) Subnetting creates an intermediary level of hierarchy IP datagram routing then involves three steps: delivery t
5. CSMA/CD based Ethernet LANs in various sites and Frame Relay (FR) service to connect them together. You want to make a difference in the organization by upgrading the LANs to be
Q. What are the basic key functions of data link layer? Ans: Data link layer transfers data in a structured and reliable manner so that the service given by the physical layer
Q. Show the Flow characteristics? Flow characteristics Reliability - if lacking means that packets or ACKs are lost - more important with FTP, SMTP than with audio
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