Which of the following is not a functional reliability requirement for a system ?

A. Checking requirements
B. Recovery requirements
C. Redundancy requirements
D. Ambiguous requirements

Which reliability requirements are concerned with maintaining copies of the system ?

A. Checking requirements
B. Recovery requirements
C. Redundancy requirements
D. Ambiguous requirements

To specify security requirements, one should identify the risks that are to be dealt with ?

A. True
B. False
ExpLanation: to specify security requirements, one should identify the assets that are to be dealt with.

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

A. Pofod
B. Rocof
C. Avail
D. None of the mentioned

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 ?

A. Preliminary risk analysis
B. Life-cycle risk analysis
C. Operational risk analysis
D. All of the mentioned

Consider a case where the system is unavailable and cannot deliver its services to users. What type of failure is being described here ?

A. Loss of service
B. Incorrect service delivery
C. System/data corruption
D. None of the mentioned

Consider a case where the failure of the system causes damage to the system itself or it data. What type of failure is being described here ?

A. Loss of service
B. Incorrect service delivery
C. System/data corruption
D. None of the mentioned

Which of the following examples does not involve dependability engineering ?

A. Medical systems
B. Power systems
C. Library management
D. Telecommunications

Which process characteristic with respect to Dependability Engineering is mentioned by the statement: “The process should be understandable by people apart from process participants” ?

A. Diverse
B. Documentable
C. Auditable
D. None of the mentioned

Which of the following is a Strategy to achieve Software diversity ?

A. Different programming languages
B. Different design methods and tools
C. Explicit specification of different algorithms
D. All of the mentioned