MCQ
Paper - II (ix) — Network Security MCQ - Practice Questions with Answers
Solve 56 Paper - II (ix) — Network Security questions for RAS/RPSC preparation.
Practice questions
Q1In networking, which situation is the best example of a LAN rather than a WAN?
A LAN covers a relatively limited area and allows nearby devices to communicate, such as computers and printers within one building. A WAN is broader in geography and normally connects many users or sites over a larger area than a LAN.
Q2After taking regular backups, which step best confirms that the organization can actually recover data when a disk fails?
A backup is useful only if it can be restored into working data. A periodic test restore checks the backup media, the restoration process, permissions, and file integrity, which a file name or successful scheduled job message cannot fully prove.
Q3A teacher asks a technician to test whether the school's web server has exploitable weaknesses. Which action keeps the activity within ethical hacking practice?
Penetration testing and similar security assessments are legitimate only when planned and authorized for a defined target. The practical goal is to identify weaknesses and support mitigation; activity outside permission, such as testing unrelated systems or misusing discovered data, is not ethical hacking.
Q4A clerk needs permission to enter student marks but should not be able to create new administrator accounts. Which security principle is being applied?
Least privilege limits each account to the permissions required for its task. It reduces damage from mistakes or compromised credentials because the account cannot perform unrelated administrative actions.
Q5A security tester is asked to try to bypass controls of a college website only within a signed scope and then report weaknesses. This activity is best described as:
The key features are permission, scope, controlled testing, and reporting. Penetration testing uses attacker-like methods under agreed constraints to identify weaknesses so that the owner can remediate them.
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More questions
6After restoring files from backup, which step is most important before reconnecting a recovered computer to the production LAN?
7A small office is preparing for ransomware recovery. Which backup practice is the most suitable for restoring data if the main network shares are encrypted by malware?
8In a small office, a firewall is placed between the internal LAN and the Internet connection. What is its primary utility in this position?
9A user reports that a utility downloaded from an unknown website looks like a PDF converter, but after execution it silently installs a backdoor and does not try to copy itself to other files. Which malware category best fits this behaviour?
10A school separates student computers from the accounts office computers by using different subnets and firewall rules. Which security benefit is most likely intended?
11In an office LAN, a switch connects desktop computers, while a router connects that LAN to an Internet service provider. Which statement is most accurate?
12A ransomware incident has encrypted the files on several computers. Which backup practice gives the best chance of reliable restoration?
13Which pair correctly distinguishes LAN and WAN in basic networking?
14Which practice best supports confidentiality when users access a web-based school management system over a network?
15Which action is an example of ethical hacking rather than unauthorized hacking?