D354 ACTUAL QUESTIONS AND ANSWERS
FULL SOLUTION STUDY GUIDE
●● IT Professional Roles
Answer: Administration and Support
●● System Administrator
Answer: Maintains all aspects of the system including hardware,
software, and programming.
●● Network Administrator
Answer: In charge of all aspects of the computer network
●● Database Administrator
Answer: Focuses on the design, development, and support of database
management systems (DBMSs).
●● Security Administrator
Answer: Installs, configures, and administers firewall security to protect
systems and proactively work to stop intrusions.
●● Web Administrator
,Answer: Installs, configures, maintains, secures, and troubleshoots web
severs.
●● Support IT Professionals
Answer: Help desk and training.
●● Information
Answer: Processed data.
●● DIKW Hierarchy
Answer: Defines the transition of data to information from knowledge to
wisdom. (Data Information Knowledge Wisdom)
●● Data in DIKW
Answer: The input directly received by the user (or computer). It is
generally not usable until it has been converted into a relevant form.
●● Information in DIKW
Answer: Having been inferred from data; one or more processes have
been applied to the data to transform it into a more useful form.
●● Knowledge in DIKW
,Answer: Information that has been put to use; information placed into a
context. Refined information such that the user of the knowledge is able
to call forth only relevant portions of information when needed.
●● Wisdom in DIKW
Answer: Provides a social setting to knowledge; an understanding of the
"why". Can only come by having both knowledge and experience.
●● Information Systems
Answer: A collection of data and information used to support the
management of an organization. Also refers to the technical components
and human resources that enable the assembly, storage, and processing
of data and the delivery of information. This has existed for a lot longer
than computers.
●● Characteristics of Quality Data
Answer: Relevance - the data being used must apply directly to the
decision being made
Timely - data must be efficient and must be provided in a timely manner
Thorough - the data must be complete
, Accurate - data should be captured only once, where possible and should
be captured as close to the point of activity as possible.
Reliable - data should reflect stable and consistent data collection
processes across collections points and over time
●● IPOS
Answer: The Input-Procession-Output-Storage Cycle
●● Input
Answer: Raw data is entered by the user.
●● Processing
Answer: Raw data is organized or structured for usefulness.
●● Output
Answer: Information is output so user can see results.
●● Storage
Answer: Processed information is stored for permanent record.
●● Computer System
FULL SOLUTION STUDY GUIDE
●● IT Professional Roles
Answer: Administration and Support
●● System Administrator
Answer: Maintains all aspects of the system including hardware,
software, and programming.
●● Network Administrator
Answer: In charge of all aspects of the computer network
●● Database Administrator
Answer: Focuses on the design, development, and support of database
management systems (DBMSs).
●● Security Administrator
Answer: Installs, configures, and administers firewall security to protect
systems and proactively work to stop intrusions.
●● Web Administrator
,Answer: Installs, configures, maintains, secures, and troubleshoots web
severs.
●● Support IT Professionals
Answer: Help desk and training.
●● Information
Answer: Processed data.
●● DIKW Hierarchy
Answer: Defines the transition of data to information from knowledge to
wisdom. (Data Information Knowledge Wisdom)
●● Data in DIKW
Answer: The input directly received by the user (or computer). It is
generally not usable until it has been converted into a relevant form.
●● Information in DIKW
Answer: Having been inferred from data; one or more processes have
been applied to the data to transform it into a more useful form.
●● Knowledge in DIKW
,Answer: Information that has been put to use; information placed into a
context. Refined information such that the user of the knowledge is able
to call forth only relevant portions of information when needed.
●● Wisdom in DIKW
Answer: Provides a social setting to knowledge; an understanding of the
"why". Can only come by having both knowledge and experience.
●● Information Systems
Answer: A collection of data and information used to support the
management of an organization. Also refers to the technical components
and human resources that enable the assembly, storage, and processing
of data and the delivery of information. This has existed for a lot longer
than computers.
●● Characteristics of Quality Data
Answer: Relevance - the data being used must apply directly to the
decision being made
Timely - data must be efficient and must be provided in a timely manner
Thorough - the data must be complete
, Accurate - data should be captured only once, where possible and should
be captured as close to the point of activity as possible.
Reliable - data should reflect stable and consistent data collection
processes across collections points and over time
●● IPOS
Answer: The Input-Procession-Output-Storage Cycle
●● Input
Answer: Raw data is entered by the user.
●● Processing
Answer: Raw data is organized or structured for usefulness.
●● Output
Answer: Information is output so user can see results.
●● Storage
Answer: Processed information is stored for permanent record.
●● Computer System
