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4. WAN connects LANs across small geographical areas. ....................
5. Email is not a common application of the Internet. ....................
E. Give full forms of:
1. MAN: ...............................................................................................................................................................
2. ISP: ...............................................................................................................................................................
3. VIRUS: ...............................................................................................................................................................
4. WWW: ...............................................................................................................................................................
Answer Arcade Section B (Subjective)
A. Short answer type questions.
1. What is WAN?
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2. What is Worm?
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3. Write steps how to avoid getting spam messages.
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4. What is malware?
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5. What is cyberbullying?
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B. Long answer type questions.
1. Explain any three types of networks.
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2. What are some key reasons for networking computers in today’s world? Mention any two.
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Cyber Security 99

