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ETHERNET FIELDS:
In Ethernet fields the preamble and CRC is usually not given in frame. The destination address of each is the broadcast address. There is special value reserved for frame kind field.
FRAME WITHOUT TYPE FIELDS:
Some LAN methods do not add a kind field. Receiver and sender can agree on interpretation, which is as given: They agree on single message format and need only that formats these limits to one kind of data. In this way all devices on LAN have to use one format. Also they agree to encode the message format into first few bytes of the data field.
Radio Waves - Frequency ranges: 3 KHz to 1 GHz - Omni directional - Susceptible to interference by other antennas utilizing same frequency or band - Ideal for long-di
The compression protocols for PPP are:- A. Stac B. Predictor
Name various types of guided and unguided transmission media. If you are connecting your office computers through a local area network which transmission media would you use? Why?
Q. Illustrate Stop-and-Wait Automatic Repeat request? - Simplest flow as well as error control mechanism - The sending device keeps a duplicate copy of the last frame transm
Name the activities does routing protocol perform?
Multistation Access Unit (MAU) Combines individual automatic switches May perhaps daisy chain to support more stations
State about the Packet filter firewalls They remain the most common type of firewall in use as of today. They were the earliest firewalls developed and were capable of permitt
Describe packet filtering firewall?
FDDI, Token Ring and Ethernet are all physical layer framing standards.
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
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