ITPEC IP April 2019 Question 44
Topic: SecurityAlso asked in April 2024
Among I through III below, which of the following lists all and only the appropriate measures for preventing a PC from getting infected with viruses?
IApplying a security patch to softwareIIStriping across hard disksIIIEducating users on security
Explanation
I and III: applying security patches and educating users — both reduce the chance that a virus gets into the PC.
- •I Security patch — fixes the software vulnerabilities that viruses exploit to infect a PC
- •II Striping — spreads data across several disks (RAID 0) to speed up access; it does nothing against infection, and without redundancy it does not even protect the data
- •III User education — teaches users not to open suspicious attachments or links or plug in unknown USB memory, the routes most infections take
Answer (c)
Why not others:
- •(a) I — leaves out user education, which prevents infections that exploit people rather than software
- •(b) I, II — includes striping, a performance measure, and leaves out user education
- •(d) II, III — includes striping and leaves out patching, the main technical defence
Key rule: Virus prevention combines technical measures (patches, antivirus software with current definition files) with human ones (education); RAID is about speed and availability, not malware.
Security · AI-written, may contain errors
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