Free 020-100 – Security Essentials (Exam 020, version 1.0) Practice Test Question

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• ○ Data from unauthorized disclosure
• ○ Systems from physical theft
• ○ Networks from traffic overload
• ○ Backups from accidental deletion

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• ○ Data is always publicly available
• ○ Data is accurate and unaltered
• ○ Data is encrypted during transfer
• ○ Data is backed up daily

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• ○ Criminal breaking into systems
• ○ Beginner using others tools
• ○ Tester authorized to probe systems
• ○ Insider leaking company data

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• ○ Expert writing original exploits
• ○ Researcher publishing vulnerability reports
• ○ Administrator hardening production servers
• ○ Inexperienced attacker using existing tools

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• ○ Catalog publicly disclosed vulnerabilities
• ○ Certify secure software products
• ○ Rank antivirus product performance
• ○ Register internet domain names

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• ○ Cost of security software
• ○ Likelihood multiplied by potential impact
• ○ Number of installed firewalls
• ○ Age of operating system

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• ○ Confidentiality of sensitive data
• ○ Availability of authorized services
• ○ Popularity of web applications
• ○ Speed of network connections

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• ○ Selling discovered vulnerability data
• ○ Testing only with written permission
• ○ Accessing systems without authorization
• ○ Reporting vulnerabilities to owner

Answer is in the explanation below.

Answer is in the explanation below.

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• ○ Output grows with input size
• ○ Digest reveals original data
• ○ Same input gives same digest
• ○ Practically impossible to reverse

Answer is in the explanation below.