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Unguided Media
This is the wireless media that transfer electromagnetic waves without using a physical media. Waves are broadcast through the air. This is performing through radio communication, cellular telephony and satellite communication. Unguided transmission media are functions that give the transmission of data without the use of physical media means to describe the way it takes. Unguided media gives a means for transmitting electromagnetic signals but do not operate them.
CRC can detect the following errors better than check sums. a) Vertical errors b) Burst errors a) VERTICAL ERRORS: This kind of error happens due to a hardware fai
A full-duplex (FDX) , accepts communication in both ways, and, unlike half-duplex, accept this to occur simultaneously. Land-line telephone networks are full-duplex, since they
Discuss how developers should apply the following countermeasures to improve the security of their code:
how to encryt the data in plaintext cipher
With explain the encryption model the help of diagram. Symmetric cipher model uses the secret-key or a single-key for encryption/decryption purposes. It employs a symmetric encr
Q. Analysis of the Problem of cyber attack? According to the case, The EZ Company is a prominent organization specialized in information integration and visualization technolog
Question : (a) State whether the following statement is FALSE or TRUE: It is always better to have various access points to the Internet so that if a hacker takes one down you
(a) What is a pseudorandom generator? Give an example describing how it works. (b) Explain the key components of a wireless network and their purpose. (c) Describe the authen
Q. Explain the random key distribution? The triple key management mechanisms ensure a better and complete security solution using the random key distribution mechanism. In this
VULNERABILITY SCANNERS Active vulnerability scanners scan networks for detailed information, it initiate traffic to determine security holes. This scanner identifies usernames a
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