Exercise & Quiz Test – 39


Question 1

1. A________ contains the smallest unit of meaningful data, so you might call it the
basic building block for a data file.
1) File Structures
2) Records
3) Fields
4) Data base
5) None of these

Answer & Solution
Question 2

2. The ________ data mining technique derives rules from real-world case examples.
1) Waterfall Model
2) Spiral Model
3) Prototyping Model
4) Incremental Model
5) None of these

Answer & Solution
Question 3

3. An oracle server index___________
1) Is a schema object
2) Is used to speed up the retrieval of rows by using a pointer
3) Is independent of the table it indexes
4) All of these
5) None of these

Answer & Solution
Question 4

4. Which of the following is not a context-free grammar component____________
1) Terminal symbols
2) Non-terminal symbol
3) Productions
4) List
5) None of these

Answer & Solution
Question 5

5. The drawbacks of the binary tree sort are remedied by the+____________
1) Linear sort
2) Quick sort
3) Heap Sort
4) Insertion sort
5) None of these

Answer & Solution
Question 6

6. Rows of a relation are called____________
1) Relation
2) Tuples
3) Data structure
4) An entity
5) None of these

Answer & Solution
Question 7

7. Which of the following TCP/IP protocol is used for remote terminal connection service___________
1) Telnet
2) RARP
3) FTP
4) All of above
5) None of these

Answer & Solution
Question 8

8. ________ is a virus that inserts itself into a system’s memory. Then it takes a number of actions when an infected file is executed.
1) Web scripting virus
2) Polymorphic Virus
3) Macro virus
4) Boot sector virus
5) Resident virus

Answer & Solution
Question 9

9. A heap allows a very efficient implementation of a__________
1) Double-ended queue
2) Priority queue
3) Stack
4) Trees
5) None of these

Answer & Solution
Question 10

10. The code that relational database management systems use to perform their database task is referred to as__________
1) QBE
2) SQL
3) OLAP
4) Sequel Server
5) None of these

Answer & Solution