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3D031 CDCs
Vol 1 Section 1 Questions
19
Other
Professional
02/23/2011

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Term
What are the four classes of information in cognitive hierarchy?
Definition
data, information, knowledge, and understanding
Term
What must you do to data for it to become meaningful to the end user?
Definition
process/organize it
Term
How is metadata used?
Definition
To describe how data is structured by using a prescribed syntax (Rules of Arrangement) & to associate data with semantics (meaning)
Term
What is cognition?
Definition
The act of learning or integrating from various pieces of information
Term
What is the objective of transparency?
Definition
to ensure the process of transferring data into info used for decision making is traceable, audit able, and demonstrably proven, making it authoritative/trust able
Term
Content delivery services deliver information assets to end users. These services can be of two types, what are they?
Definition
Core Data and Aggregation Services
Term
What does the Services Oriented Enterprise Provide?
Definition
A means of achieving IT agility and flexibility to support rapidly evolving mission processes and changing goals and objectives
Term
How are data elements obtained?
Definition
From Data Models
Term
What is a standard?
Definition
Measured, Repeatable
Term
What is data structure?
Definition
A specialized format for organizing and storing data
Term
How are data structures organized?
Definition
They are organized with capability to request/query only info necessary to fulfill a requirement
Term
What is a schema?
Definition
Structured Description of Records
Term
What are physical structures concerned with?
Definition
How data resides in a database
Term
Explain the difference between using linked and sequential lists
Definition
Linked-Pointers identify order of items
Sequential- in the order in which they're stored
Term
What do logical data structures allow users to do?
Definition
View stored data in the database
Term
How do tables and views differ?
Definition
table-data/metadata view-a table as a result of a query Both are relational data tables but in views the data is calculated at query time
Term
Which part of the hierarchical structure is at the top of a branch?
Definition
parent node
Term
What is special about having a network data structure
Definition
Many to Many Relationship
Term
What must you ensure before installing any software product on an operational Air Force computer?
Definition
the security of the system won't be degraded by the addition of the new software programs
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