Exam A
QUESTION 1
IS management has decided to rewrite a legacy customer relations system using
fourth-generation languages (4GLs). Which of the following risks is MOST often
associated with system development using 4GLs?
A. Inadequate screen/report design facilities
B. Complex programming la...
Number: CISA
Passing Score: 800
Time Limit: 90 min
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,Exam A
QUESTION 1
IS management has decided to rewrite a legacy customer relations system using
fourth-generation languages (4GLs). Which of the following risks is MOST often
associated with system development using 4GLs?
A. Inadequate screen/report design facilities
B. Complex programming language subsets
C. Lack of portability across operating systems
D. Inability to perform data intensive operations
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
4GLs are usually not suitable for data intensive operations. Instead, they are
used mainly for graphic user interface (GUI) design or as simple query/report
generators. Screen/report design facilities are one of the main advantages of
4GLs, and 4GLs have simple programming language subsets. Portability is also one
of the main advantages of 4GLs.
QUESTION 2
Which of the following would be the BEST method for ensuring that critical
fields in a master record have been updated properly?
A. Field checks
B. Control totals
C. Reasonableness checks
D. A before-and-after maintenance report
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
A before-and-after maintenance report is the best answer because a visual review
would provide the most positive verification that updating was proper.
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,QUESTION 3
Which of the following is a dynamic analysis tool for the purpose of testing
software modules?
A. Blackbox test
B. Desk checking
C. Structured walk-through
D. Design and code
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
A blackbox test is a dynamic analysis tool for testing software modules. During
the testing of software modules a blackbox test works first in a cohesive manner
as one single unit/entity, consisting of numerous modules and second, with the
user data that flows across software modules. In some cases, this even drives the
software behavior. In choices B, C and D, the software (design or code) remains
static and somebody simply closely examines it by applying his/her mind, without
actually activating the software. Hence, these cannot be referred to as dynamic
analysis tools.
QUESTION 4
Which of the following is MOST likely to result from a business process
reengineering (BPR) project?
A. An increased number of people using technology
B. Significant cost savings, through a reduction in the complexity of information
technology
C. A weaker organizational structures and less accountability
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, D. Increased information protection (IP) risk will increase
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
A BPR project more often leads to an increased number of people using technology,
and this would be a cause for concern. As BPR is often technology oriented, and
this technology is usually more complex and volatile than in the past, cost
savings do not often materialize in this area. There is no reason for IP to
conflict with a BPR project, unless the project is not run properly.
QUESTION 5
Which of the following devices extends the network and has the capacity to
store frames and act as a storage and forward device?
A. Router
B. Bridge
C. Repeater
D. Gateway
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
A bridge connects two separate networks to form a logical network (e.g., joining
an ethernet and token network) and has the storage capacity to store frames and
act as a storage and forward device. Bridges operate at the OSI data link layer by
examining the media access control header of a data packet. Routers are switching
devices that operate at the OSI network layer by examining network addresses
(i.e., routing information encoded in an IP packet). The router, by examining the
IP address, can make intelligent decisions in directing the packet to its
destination. Repeaters amplify transmission signals to reach remote devices by
taking a signal from a LAN, reconditioning and retiming it, and sending it to
another. This functionality is hardware encoded and occurs at the OSI physical
layer. Gateways provide access paths to foreign networks.
QUESTION 6
Which of the following is a benefit of using callback devices?
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