software engineering MCQs – Page 126

Practise multiple-choice questions from software engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

2501. Choose the fault class in which the following automated static analysis check would fall: Unreachable code?
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A. Data Faults

B. Interface faults

C. Input/Output Faults

D. Control Faults
2502. Which reliability requirements are concerned with maintaining copies of the system ?
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A. Recovery requirements

B. Redundancy requirements

C. Ambiguous requirements

D. Checking requirements

2503. Which reliability metric sets out the probable number of system failures that are likely to be observed relative to a certain time period ?
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A. AVAIL

B. None of the mentioned

C. ROCOF

D. POFOD

2504. Which level of Static Analysis allows specific rules that apply to a program to be checked ?
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A. Characteristic error checking

B. All of the mentioned

C. User-defined error checking

D. Assertion checking

2505. A characteristic of a software system that can lead to a system error is known as _____________________ ?
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A. Human error or mistake

B. System failure

C. System error

D. System fault
2506. An aircraft engine normally includes automatic fire extinguishers.What kind of dependability and security issue the example states ?
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A. Hazard detection

B. Hazard detection and removal

C. Damage limitation

D. Hazard avoidance

2507. What is the term for a system that is designed such that the faults in the delivered software do not result in system failure ?
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A. Fault detection

B. Fault Avoidance

C. Fault tolerance

D. None of the mentioned

2508. An erroneous system state that can lead to system behavior that is unexpected by system users is known as________________?
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A. System failure

B. Human error or mistake

C. System error

D. System fault

2509. Choose the fault class in which the following automated static analysis check would fall:Non-usage of the results of functions?
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A. Input/Output Faults

B. Data Faults

C. Interface faults

D. Storage management faults

2510. Which of the following terms is a measure of the probability that the system will cause an accident ?
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A. Hazard probability

B. Accident

C. Risk

D. Damage

2511. At which stage of risk analysis specification, the additional security requirements take account of the technologies used in building the system and system design and implementation decisions ?
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A. All of the mentioned

B. Operational risk analysis

C. Life-cycle risk analysis

D. Preliminary risk analysis

2512. A weakness in a computer-based system that may be exploited to cause loss or harm is known as ?
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A. Attack

B. Exposure

C. Vulnerability

D. Threat

2513. The safety of a system is a system attribute that reflects the systems ability to operate, normally or abnormally, without injury to people or damage to the environment ?
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A. True

B. FALSE

2514. What is Life cycle risk assessment ?
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A. None of the mentioned

B. Risk assessment while the system is being developed

C. All of the mentioned

D. Risk assessment before the system has been deployed

2515. Which of the following is not a functional reliability requirement for a system ?
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A. Ambiguous requirements

B. Redundancy requirements

C. Checking requirements

D. Recovery requirements

2516. Which process characteristic with respect to Dependability Engineering is mentioned by the statement: The process should be understandable by people apart from process participants ?
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A. Auditable

B. None of the mentioned

C. Documentable

D. Diverse

2517. How many stages are there in Risk-driven requirements specification ?
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A. four

B. six

C. three

D. five

2518. Which of the following is a bad practice of Dependable programming ?
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A. Check all inputs for validity

B. None of the mentioned

C. Limit the visibility of information in a program

D. Check array bounds
2519. Security engineering is only concerned with maintenance of systems such that they can resist malicious attacks ?
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A. TRUE

B. False
2520. Which of the following is a layer of protection for Security ?
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A. Platform-level protection

B. Record-level protection

C. All of the mentioned

D. Application-level protection