What is trojan virus?
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What are the main components of the CERT Taxonomy?
What is shadow it?
What is Cross site scripting?
If you need to encrypt and compress data for transmission, how would you achieve it?
What are Digrams and Trigrams
In context of public key encryption, if you are using both signature and encryption features, what key will you use for encryption and which one will you use for signing?
Explain the difference between broadcast domain and collision domain?
how remove add on from explorer
What are the possible means of Internet attacks?
Explain what are digital signatures and smart cards?
Name components of a firewall system?
What is Firewall? I saw in one website Firewall is software and hardware and combination of software and hardware.It is used to protect user information or avoiding crackers.how it is?Whether it is hardware?If not then why the images are like that?(a wall ).Please help me by answering this question.Advance thanks.