TUNE YOUR LOOP: Questions to keep you sharp.

Tune Your Loop is a series of posts consisting of questions from ISA Training Courses.

1. What type of table is commonly used to hold short term trending data?

[ordered_list style=”lower-alpha”]
  1. A relational database table
  2. An extensible table
  3. A circular table (fixed-size, nonextensible)
  4. A historical data table[/ordered_list]

2. What type of data representation (code) is used for multilingual text/character storage?

[ordered_list style=”lower-alpha”]
  2. ASCII
  4. MORSE[/ordered_list]

3. A fixed, defined set of data elements that are maintained as a replicated set is
called a _____.

[ordered_list style=”lower-alpha”]
  1. Data
  2. Record
  3. Table
  4. Vector[/ordered_list]

4. The purpose of a “key” field in a table is to __________.

[ordered_list style=”lower-alpha”]
  1. Encrypt the contents of the table
  2. Unlock the table for reading and writing
  3. Put the table records into a sort order based on the key field
  4. Identify the owner of the table[/ordered_list]

5. The purpose of a file system is to __________.

[ordered_list style=”lower-alpha”]
  1. Assign useful names to data files
  2. Hide secret system files from user tampering
  3. Manage and control the allocation and use of the storage space available on a
    storage device
  4. Increase the amount of data that can be stored on a disk[/ordered_list]


What are your answers before you read ahead?

1. c

2. c

3. b

4. c

5. c


From the ISA Course Database Management for Industrial Automation and Control Systems (EA05) pre-instructional survey.

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