The use of a well-defined, repeatable process is essential if faults in a system are to be minimized ?
What is the term for a system that is designed such that the faults in the delivered software do not result in system failure ?
What is the term for development process organised such that faults in the system are detected and repaired before delivery to the customer ?
Which of the following is a Strategy to achieve Software diversity ?
Which process characteristic with respect to Dependability Engineering is mentioned by the statement: “The process should be understandable by people apart from process participants” ?
Which of the following examples does not involve dependability engineering ?
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 ?
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 ?
Which reliability metric sets out the probable number of system failures that are likely to be observed relative to a certain time period ?
To specify security requirements, one should identify the risks that are to be dealt with ?
Which reliability requirements are concerned with maintaining copies of the system ?
Which of the following is not a functional reliability requirement for a system ?
POFOD stands for__________?
How many stages are there in Risk-driven requirements specification ?
An event that occurs at some point in time when the system does not deliver a service as expected by its users is called __________?
Consider a case where the system is unavailable and cannot deliver its services to users. What type of failure is being described here ?
A weakness in a computer-based system that may be exploited to cause loss or harm is known as ?
A password checking system that disallows user passwords that are proper names or words that are normally included in a dictionary is an example of __________ with respect to security systems?
An assessment of the worst possible damage that could result from a particular hazard is known as __________?
An erroneous system state that can lead to system behavior that is unexpected by system users is known as__________?
The safety of a system is a system attribute that reflects the system’s ability to operate, normally or abnormally, without injury to people or damage to the environment ?
A chemical plant system may detect excessive pressure and open a relief valve to reduce these pressures before an explosion occurs. What kind of dependability and security issue the example states ?
An aircraft engine normally includes automatic fire extinguishers.What kind of dependability and security issue the example states ?
A characteristic of a software system that can lead to a system error is known as __________ ?
Which of the following terms is a measure of the probability that the system will cause an accident ?

What is a Range check ?

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

Correct Answer: Check that the input falls within a known range ✔

Last Updated: February 04, 2019