Exam (elaborations)

INF3705 - MCQ PRACTICE QUESTIONS AND ANSWERS LATEST UPDATE A+ GRADED

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INF 1505

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INF 1505

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Contains Questions & answers

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INF3705 - MCQ PRACTICE QUESTIONS AND ANSWERS
LATEST UPDATE A+ GRADED

A formal specification of the system may be developed and mathematically
analysed for ____? (ch12, p366)
Inconsistency
"Availability is the probability of failure-free operation over a specified time, in a
given environment, for a specific purpose?" (ch11, 309)
False
"Reliability is the probability that a system, at a point in time, will be operational
and able to deliver the requested services?" (ch11, 309)
False
"Refactoring which is making program changes to preserve a system
functionality is a form of maintenance to repair software faults?" (ch9, key points,
p280)
False (Refactoring is a form of preventative maintenance, the question describes
corrective maintenance.)
"A backup mechanism exploits on reusable components in its design?" (exam
prep)
True
"Testing is part of a broader process of Software verification and validation."
(ch8, p227)
True
"The aim of Software validation is to ensure that the software meets the customer
needs."
True
"Negotiating the test results is one of the stages in the acceptance testing
process." (ch8, p250-251)
True
"Skills shortage can be regarded as one of the problems of maintaining business
legacy systems." (ch9, p263)
True
"Re-processing is the process of making improvement to a program to slow down
degradation." (ch9, p278)
False ('Refactoring', not 'Re-processing')
"Probability of failure on demand (POFOD), Rate of occurrence of failures
(ROCOF), Availability (AVAIL) are three metrics used to specify reliability and
availability of a system." (ch11, p313)
True
A graphical workflow language, such as BPMN, may be used to describe a
business process and the ____ used in the process. (ch18, key points, p548)
services
A hazard is a system state that could lead to ____. (ch12, p342)

, an accident
Application systems reuse is concerned with the ____ of large-scale, off the shelf
systems.
reuse
EPR systems usually requires extensive configuration to adapt them to the
requirements of each organization where they are _____. (ch15, p456)
installed
ERP systems are used in almost all large companies to support some or all of
their _____. (ch15, p456)
functions
Hazard analysis is the process of discovering the root causes of hazard in a
_____ system. (12.2.3, first line, p349)
safety-critical
Model checking is a formal approach to _____ analysis that exhaustively checks
all states in a system for potential errors. (ch12, key points, p368)
static
REST is an architectural style based on transferring representations of resources
from a server to a _____. (ch18, p530)
client
Safety-critical system are systems in which it is essential that the system
operation is always _____. (12.1, first line, p341)
safe
Safety-critical systems are systems whose failures can lead to _____. (ch12, key
points, p368)
human injury or death
Service-oriented system have loosely couple architecture where service binding
may change during systems _____. (ch18, p522)
execution
Services may be implemented within a service-oriented architecture using a set
of _____ web services standards. (Ch18, key points, p548)
XML-based
Sociotechnical systems are so complex that it is impossible to understand them
as a _____. (Ch10, p.292)
whole
Static analysis is effective in finding errors in programs but, commonly,
generates a larger number of false _____. (Ch12, p360)
positives
Strategies to achieve and enhance dependability of a system rely on both
redundancy and _____. (Ch10, p295)
diversity
System dependability is important because _____ of the critical system can lead
to large economic losses, serious information loss, physical damage or threats to
human life. (Ch10, key points, p303)
failure

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INF3705 - MCQ PRACTICE QUESTIONS AND ANSWERS LATEST UPDATE A+ GRADED

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