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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.
Describe the functions and significances of all fields (such as Source Port and Destination Port) of a TCP header. Functions and significance of tcp header's fields FIELDS
"arpa" is used by the Cisco IOS for which encapsulation types Ans) Ethernet_II
Explain Point-to-Point connection type. Many point-to-point connections are associated with modems and PSTN (Public Switched Telephone Network) communications.
Q. What do you mean by Substitutional Ciphers? Substitutional Ciphers Monoalphabetic Substitution Polyalphabetic Substitution - Transpositional - character
vulnerability Assessment
what are the main problems of signal propagation?why do radio waves not always follow a straight line?why is reflection both useful and harmful?
Q. Use of Infrared? - Frequencies among 300 GHz and 400 THz - Short-range communication - High frequencies can't penetrate walls - Necessitate line-of-sight propagati
What is a private IP address? Private IP addresses are allocated for use on intranets. These addresses are used for internal networks and are not routable on external public ne
Difference between synchronous tdm and statistical tdm
Determine the method to protect the Web servers The company should install additional levels of security measures since it is possible for hackers to generate and send data wit
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