1How many bits does the ASCII code use to represent a character?a8 bitsb16 bitsc32 bitsd64 bitsShow answer
3What is the primary purpose of a firewall in cybersecurity?aEncrypting databMonitoring network trafficcBlocking malicious trafficdGenerating strong passwordsShow answer
4What does 2FA (Two-Factor Authentication) require for user access?aTwo different passwordsbTwo different encryption keyscTwo different user accounts methodsdTwo different authentication methodsShow answer
5What type of encryption uses a single, secret key for both encryption and decryption?aAsymmetric encryptionbPublic-key encryptioncSymmetric encryptiondTriple DES encryptionShow answer
6What type of attack involves cybercriminals impersonating trusted entities to deceive users into revealing sensitive information?aMalware attackbDenial of Service attackcPhishing attackdInsider threatShow answer
7What is the main advantage of asymmetric encryption over symmetric encryption?aFaster encryption and decryptionbSimplified key distributioncNon-repudiationdLower computational complexityShow answer
9What type of scalability involves adding more identical virtual machines or instances in cloud computing?aHorizontal ScalabilitybVertical ScalabilitycLinear ScalabilitydElastic ScalabilityShow answer
10What type of topology combines elements from multiple topologies to create a more efficient network?aStar TopologybMesh TopologycBus TopologydHybrid TopologyShow answer
11What is the main disadvantage of Ring Topology?aLimited bandwidthbHigh costcComplex installationdProne to failureShow answer
12Which type of topology is known for its high redundancy and reliabiliy?aBus TopologybStar TopologycMesh TopologydRing TopologyShow answer
13Which software development model is characterized by iterative development and frequent updates throughout the project’s lifecycle?aWaterfall ModelbAgile ModelcFeasibility ModeldDesign ModelShow answer
14Which Agile model phase involves evaluating the software to identify and fix defects?aDesignbTestingcDeploymentdRequirement GatheringShow answer
15Which phase of SDLC focuses on understanding user expectations and identifying software requirements?aMaintenance/Support PhasebDepolyment/Implementation PhasecRequirement Engineering PhasedTesting/Verification PhaseShow answer
16Which phase of SDLC involves assessing whether the proposed software/system is feasible in terms of resources and budget?aDesign PhasebAnalysis PhasecFeasibility Study PhasedCoding PhaseShow answer
17Which principle of Boolean algebra allows interchanging the AND and OR operators while negating the variables?aComplement principlebInversion principlecDual principledIdentity principleShow answer
18Which principle in Boolean algebra Involves interchanging AND and OR operators while complementing variables?aAbsorption LawbIdentity LawcPrinciple of DualitydDistributive LawShow answer
19Which of the following logic gates produces a HIGH (1) output only when all of its inputs are HIGH (1)?aAND gatebOR gatecNOT gatedXOR gateShow answer
20In a digital computer, what do logic levels "0" and "1" represent in terms of voltage?a0V for "0" and 5V for "1"b0V for "1" and 5V for "0"c0V for both "0" and "1"d5V for both "0" and "1"Show answer
