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The Extreme Programming (XP) practice where two developers work together at a single workstation is known as:

AMob Programming

BPair Programming

CCode Review

DParallel Coding

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Which Software Engineering process model is characterized by incremental prototyping followed by strict evolutionary refinement?

AEvolutionary Development Model

BLinear Sequential Model

CCleanroom Software Engineering

DFormal Methods Model

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In Scrum, who is primarily responsible for defining User Stories and managing the Product Backlog prioritization?

AScrum Master

BSoftware Architecture Lead

CDevOps Engineer

DProduct Owner

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Which SDLC model strictly links each development phase with a corresponding testing phase in a parallel ‘V’ structure?

AWaterfall Model

BAgile Model

CV-Model (Verification and Validation Model)

DSpiral Model

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In Agile software development, what is the recommended duration for a standard Sprint iteration?

A3 to 6 Months

B1 to 4 Weeks

C6 to 12 Months

D1 to 2 Days

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Which software development lifecycle model is best suited for projects with high uncertainty, changing requirements, and complex risk management needs?

ASpiral Model

BWaterfall Model

CV-Model

DBig Bang Model

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Software System Availability is mathematically defined using MTBF and MTTR as:

A$ ext{Availability} = rac{ ext{MTTR}}{ ext{MTBF}}$

B$ ext{Availability} = rac{ ext{MTBF}}{ ext{MTBF} + ext{MTTR}}$

C$ ext{Availability} = ext{MTBF} - ext{MTTR}$

D$ ext{Availability} = rac{ ext{MTTF}}{ ext{MTTR}}$

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The average time required to troubleshoot, fix, and restore a failed software system back into operational status is:

AMean Time To Repair (MTTR)

BMean Time To Failure (MTTF)

CMean Time Between Failures (MTBF)

DSystem Availability Index

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The mean average operating time between consecutive system failures in a repairable software system is measured by:

AMean Time To Repair (MTTR)

BMean Time To Failure (MTTF)

CFailure Rate ($lambda$)

DMean Time Between Failures (MTBF)

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The software quality metric calculated as the total number of confirmed defects divided by the size of the software module (e.g., defects per KLOC) is:

ADefect Removal Efficiency

BFailure Rate

CDefect Density

DMean Time To Failure (MTTF)

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