Question: What is a Range check ?

• 1. Check that the input does not exceed some maximum size e.g. 40 characters for a name
• 2. Check that the input falls within a known range
• 3. Use information about the input to check if it is reasonable rather than an extreme value
• 4. None of the mentioned

Question: What is the term for a system that is designed such that the faults in the delivered software do not result in system failure ?

• 1. Fault Avoidance
• 2. Fault detection
• 3. Fault tolerance
• 4. None of the mentioned

Question: What is the term for development process organised such that faults in the system are detected and repaired before delivery to the customer ?

• 1. Fault Avoidance
• 2. Fault detection
• 3. Fault tolerance
• 4. None of the mentioned

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

• 1. Different programming languages
• 2. Different design methods and tools
• 3. Explicit specification of different algorithms
• 4. All of the mentioned

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

• 1. Diverse
• 2. Documentable
• 3. Auditable
• 4. None of the mentioned

Question: Which of the following examples does not involve dependability engineering ?

• 1. Medical Systems
• 2. Power Systems
• 3. Library Management
• 4. Telecommunications

Question: 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 ?

• 1. Loss of service
• 2. Incorrect service delivery
• 3. System/data corruption
• 4. None of the mentioned

Question: 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 ?

• 1. Preliminary risk analysis
• 2. Life-cycle risk analysis
• 3. Operational risk analysis
• 4. All of the mentioned

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

• 1. POFOD
• 2. ROCOF
• 3. AVAIL
• 4. None of the mentioned

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

• 1. Checking requirements
• 2. Recovery requirements
• 3. Redundancy requirements
• 4. Ambiguous requirements