Deck 2: Faults, and Bugs in Software and Hardware Systems

Question 1

Which of the following approaches are used to achieve reliable systems?

A)fault prevention
B)fault removal
C)fault tolerance
D)all of the mentioned

Answer 1

all of the mentioned

Question 2

All fault-tolerant techniques rely on

A)integrity
B)dependability
C)redundancy
D)none of the mentioned

Answer 2

none of the mentioned

Question 3

Exception handling is a type of

A)forward error recovery mechanism
B)backward error recovery mechanism
C)all of the mentioned
D)none of the mentioned

Answer 3

forward error recovery mechanism

Question 4

Which of the following Error Detection checks is not a part of Application detection?

A)hardware checks
B)timing checks
C)reversal checks
D)coding checks

Question 5

Which of the following is not a phase of "bathtub curve" of hardware reliability?

A)useful life
B)burn-in
C)wear-out
D)time

Question 6

How is software reliability defined?

A)time
B)efficiency
C)quality
D)speed

Question 7

How is reliability and failure intensity related to each other?

A)direct relation
B)inverse relation
C)no relation
D)none of the mentioned

Question 8

What is risk?

A)negative consequence that could occur
B)negative consequence that will occur
C)negative consequence that must occur
D)negative consequence that shall occur

Question 9

When can customer says that the quality of the product is too good?

A)software meets its defined specification
B)software is technically excellent
C)software has few bugs
D)software fulfills expectations of customer

Question 10

It defines how a system prevents or responds to bugs, errors, faults, or failures.

A)reliability
B)fault tolerance
C)quality
D)none of the above

Question 11

The problem that threatens the success of a project but which has not yet happened is called as __________

A)bug
B)error
C)risk
D)defect

Question 12

Bug is the same name of _______.

A)error
B)incident
C)mistake
D)defect

Question 13

Which of the followings is NOT a White Box Technique?

A)statement testing
B)path testing
C)data flow testing
D)none of the above

Question 14

Bugs can enter software in any of _____ stages.

A)1
B)2
C)3
D)4

Question 15

The number of occurrences of bugs is ____________ proportional to the experience of the software developer.

A)inversely
B)directly
C)no relation exists
D)none of the above

Question 16

Techniques of software debugging are

A)print statements
B)breakpoints
C)conditional compilation
D)all of the above

Question 17

Hardware tools for debugging include:

A)ice
B)cro
C)logic analyzer
D)none of the above

Question 18

File storage is_______, but reconstructing lost data is expensive or impossible.

A)cheap
B)expensive
C)free
D)none of the above

Question 19

Design issues for a user interface include:

A)response time
B)error handling
C)help facilities
D)all of the above

Question 20

Which one of the following is a real time operating system?

A)rtlinux
B)vxworks
C)windows ce
D)all of the mentioned