ISDS 406 Test with 100 Questions and
Correct Answers
In adding implementation references (when converting logical DFDs into physical
DFDs) analysts will NOT do which of the following?
a) Add references to the ways the actual databases will be implemented
b) Develop links to the user interface for the metadata
c) Build structures for how the processes will be implemented
d) Determine the physical media for the data (part, bar code scanning, etc.)
e) Create final physical names for the various components - ANSWER B
The Human-Machine Boundary a) Is
the keyboard and screen
b) Builds on research in ergonometry
c) Is a line drawn on the physical DFD to separate human action from
automated processes
d) Is a part of developing the HCI interface
e) Separates where manual processes are separated by human completed processes -
ANSWER C
In most automated cases, data stores from logical DFDs will be converted to: a)
Binary tables
b) CD Rom disks
c) Paper files
d) Into database files / tables
e) Encrypted hexadecimal values - ANSWER D
,. By definition, external entities on the DFD:
a) Are used as the starting point for the physical data flow diagram
b) Are outside the scope of the system
c) Will be the top of the structure chart
d) Will become database table entries
e) Are updated with metadata to become part of the physical DFD - ANSWER B
Every part of a system that is not automated will: a)
Be ignored in the implementation of the system b)
Be drawn as only logical DFDs not physical DFDs c)
Be outside the human-machine boundary
d) Go back through the analysis phase to become automated
e) Will be drawn as diamond shapes on the structure charts - ANSWER C
Processes from logical DFDs might show up on a physical data flow diagram as: a)
Tables in a database
b) External entities
c) Outside the human-machine
boundary d) Audit log files
e) HTML screens or Visual Basic forms - ANSWER E
In determining if a process is to be automated, the project team will do all of the
following EXCEPT:
a) Weigh the costs
b) Redraw the logical DFD as a combined logical/physical DFD
, c) Determine benefits
d) Evaluate the efficiency
e) Consider the integrity of the process to the system - ANSWER B
Beth is considering a simple process for immediate orders. When processing an
immediate order, a phone clerk writes the order on a paper form. Which of the
following might be a reason NOT to automate this process?
a) The clerk could make errors when writing the information wrong on the paper form
b) The paper form could be lost when sent to the order filling /shipping area
c) The writing on the paper form could be hard to decipher
d) The costs to automate might be significantly higher than doing it manually
e) The time to get the paper form from the clerk's desk to the order filling /
shipping area is one day or longer - ANSWER D
When changing a logical DFD into a physical DFD, it might be necessary to ________. a)
Add system-related data stores, data flows and processes
b) Normalize the logical DFD into 3NF
c) Create the user-interface with smaller fonts
d) Change the system architecture to three-tiered architecture
e) Delete extraneous data stores and delete extraneous data flows - ANSWER A
When you are updating the data elements in the data flows (when creating a
physical DFD) you might need to:
a) Return to users to interview them about the physical data flows
b) Update the original cost/benefit analysis to reflect the physical storage
c) Do a technology analysis
d) Add physical data elements to the metadata descriptions in the CASE repository
Correct Answers
In adding implementation references (when converting logical DFDs into physical
DFDs) analysts will NOT do which of the following?
a) Add references to the ways the actual databases will be implemented
b) Develop links to the user interface for the metadata
c) Build structures for how the processes will be implemented
d) Determine the physical media for the data (part, bar code scanning, etc.)
e) Create final physical names for the various components - ANSWER B
The Human-Machine Boundary a) Is
the keyboard and screen
b) Builds on research in ergonometry
c) Is a line drawn on the physical DFD to separate human action from
automated processes
d) Is a part of developing the HCI interface
e) Separates where manual processes are separated by human completed processes -
ANSWER C
In most automated cases, data stores from logical DFDs will be converted to: a)
Binary tables
b) CD Rom disks
c) Paper files
d) Into database files / tables
e) Encrypted hexadecimal values - ANSWER D
,. By definition, external entities on the DFD:
a) Are used as the starting point for the physical data flow diagram
b) Are outside the scope of the system
c) Will be the top of the structure chart
d) Will become database table entries
e) Are updated with metadata to become part of the physical DFD - ANSWER B
Every part of a system that is not automated will: a)
Be ignored in the implementation of the system b)
Be drawn as only logical DFDs not physical DFDs c)
Be outside the human-machine boundary
d) Go back through the analysis phase to become automated
e) Will be drawn as diamond shapes on the structure charts - ANSWER C
Processes from logical DFDs might show up on a physical data flow diagram as: a)
Tables in a database
b) External entities
c) Outside the human-machine
boundary d) Audit log files
e) HTML screens or Visual Basic forms - ANSWER E
In determining if a process is to be automated, the project team will do all of the
following EXCEPT:
a) Weigh the costs
b) Redraw the logical DFD as a combined logical/physical DFD
, c) Determine benefits
d) Evaluate the efficiency
e) Consider the integrity of the process to the system - ANSWER B
Beth is considering a simple process for immediate orders. When processing an
immediate order, a phone clerk writes the order on a paper form. Which of the
following might be a reason NOT to automate this process?
a) The clerk could make errors when writing the information wrong on the paper form
b) The paper form could be lost when sent to the order filling /shipping area
c) The writing on the paper form could be hard to decipher
d) The costs to automate might be significantly higher than doing it manually
e) The time to get the paper form from the clerk's desk to the order filling /
shipping area is one day or longer - ANSWER D
When changing a logical DFD into a physical DFD, it might be necessary to ________. a)
Add system-related data stores, data flows and processes
b) Normalize the logical DFD into 3NF
c) Create the user-interface with smaller fonts
d) Change the system architecture to three-tiered architecture
e) Delete extraneous data stores and delete extraneous data flows - ANSWER A
When you are updating the data elements in the data flows (when creating a
physical DFD) you might need to:
a) Return to users to interview them about the physical data flows
b) Update the original cost/benefit analysis to reflect the physical storage
c) Do a technology analysis
d) Add physical data elements to the metadata descriptions in the CASE repository
