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Paper - II (xiv) — Network Security MCQ — 44 Practice Questions with Answers

Paper - II (xiv) — Network Security is a Networking & Web (Senior CI) topic in the RAS/RPSC syllabus. This page gathers exam-style Paper - II (xiv) — Network Security multiple-choice questions with correct answers and explanations, so aspirants can test recall and revise frequently examined concepts.

Practice 44 Paper - II (xiv) — Network Security multiple-choice questions with detailed answers and explanations. Ideal for RAS/RPSC exam preparation.

44 Questions Networking & Web (Senior CI)

Reviewed by: Aspirant Academy Editorial Team

Practice Questions

Q1. Which statement correctly distinguishes a group from a field in finite algebra used in cryptography?

A A group has one binary operation with inverses; a field has addition and multiplication with non-zero elements invertible under multiplication Correct
B A ring forbids multiplication, while a field permits only multiplication
C A field contains no additive identity, but a group must contain two identities
D A group must be commutative, while every field is non-commutative

Explanation

For exam-level finite algebra, a group is organized around one operation satisfying closure, associativity, identity, and inverse. A field supports two operations, with addition forming an abelian group and every non-zero element having a multiplicative inverse.

Q2. In an ethical hacking assignment for a college LAN, which action is the clearest example of authorized vulnerability assessment?

A Trying default passwords on unrelated WAN hosts because they are reachable
B Scanning the permitted IP range after written approval and reporting the findings Correct
C Installing a virus to prove that antivirus software can detect it
D Publishing discovered passwords online to warn users quickly

Explanation

Ethical hacking is distinguished from attack activity by prior permission, a defined scope and controlled reporting. On a LAN or WAN, even technically simple scanning becomes improper if it targets systems outside the authorization boundary.

Q3. In the context of ethical hacking, which activity best matches authorized penetration testing?

A Publishing discovered passwords before informing the owner
B Changing production data to prove administrator access
C Installing malware to maintain hidden access after testing
D Mimicking attacker techniques within an approved scope to find vulnerabilities Correct

Explanation

Authorized penetration testing uses attacker-like techniques to evaluate whether security controls can be bypassed, but it is bounded by written scope, permission, and reporting duties. The authorization separates ethical testing from illegal compromise.

Q4. For a prime number p and an integer a not divisible by p, Fermat's little theorem states which congruence?

A a^(p-1) ≡ 0 (mod p)
B a^(p-1) ≡ 1 (mod p) Correct
C a^p ≡ 0 (mod p)
D a^2 ≡ p (mod a)

Explanation

Fermat's little theorem says that if p is prime and a is not a multiple of p, then a raised to p-1 leaves remainder 1 modulo p. This result underlies simple primality checks and modular-exponentiation reasoning.

Q5. Which mechanism provides message authentication by combining a cryptographic hash function with a secret key?

A RSA key generation
B HMAC Correct
C CRC
D Plain SHA-256 digest

Explanation

HMAC uses a cryptographic hash function together with a shared secret key to produce a message authentication code. A receiver with the same key can recompute the value to check both integrity and origin authenticity between the parties.

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Frequently Asked Questions

How many Paper - II (xiv) — Network Security MCQ questions are available?
There are 44 Paper - II (xiv) — Network Security practice MCQs available on Aspirant Academy, with detailed answers and explanations for each question.
Are answers and explanations provided for Paper - II (xiv) — Network Security MCQs?
Yes, every Paper - II (xiv) — Network Security question comes with the correct answer and a detailed explanation to help you understand the underlying concept.
How is Paper - II (xiv) — Network Security relevant to the RAS/RPSC exam?
Paper - II (xiv) — Network Security falls under the Networking & Web (Senior CI) section of the RAS/RPSC syllabus. It is a frequently tested area and regular practice with these MCQs will strengthen your preparation.
Can I practice Paper - II (xiv) — Network Security questions in Hindi?
Yes, Aspirant Academy offers bilingual support. You can practice Paper - II (xiv) — Network Security MCQs in both English and Hindi, including questions, options, and explanations.

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