DB/OS/DS/Networking/HTML - 3

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1) What can we call an Ethernet frame that is less than the IEEE 802.3's minimum length of 64 octets? (Networking)

a. Short Frame
b. Mini Frame
c. Runt frame
d. None of the Above

Answer Explanation
ANSWER: Runt frame Explanation: No explanation is available for this question!

2) What is the maximum size of the Payload field in an Ethernet Frame?

a. 1300 bytes
b. 1500 bytes
c. 1000 bytes
d. 1200 bytes

Answer Explanation
ANSWER: 1500 bytes Explanation: No explanation is available for this question!

3) What is the full form of NIC?

a. Network Interface Connection
b. Net Interface Card
c. Network Interface Card
d. New Internet Connection

Answer Explanation
ANSWER: Network Interface Card Explanation: No explanation is available for this question!

4) Where can we use Internet Packet Exchanger (IPX) / Sequence Package Exchanger (SPX)?

a. Xerox Network Systems
b. Netware Core Protocol
c. NetBIOS
d. Novell's Netware Network

Answer Explanation
ANSWER: Novell's Netware Network Explanation: No explanation is available for this question!

5) In a connection between Client and Server, which protocol can send multiple objects over a TCP / IP?

a. Non - Persistent HTTP
b. Persistent HTTP
c. All of the Above
d. None of the Above

Answer Explanation
ANSWER: Persistent HTTP Explanation: No explanation is available for this question!

6) What is an audit trial? (Database)

a. Used for making backup copies
b. The recorded history of operations performed on a file
c. Used for retrieving the lost information
d. All of the above

Answer Explanation
ANSWER: The recorded history of operations performed on a file Explanation: No explanation is available for this question!

7) Issuing which type of savepoint will cause the named savepoint to be discarded? (Database)

a. TRUNCATE SAVEPOINT
b. DELETE SAVEPOINT
c. DISCARD SAVEPOINT
d. RELEASE SAVEPOINT

Answer Explanation
ANSWER: RELEASE SAVEPOINT Explanation: No explanation is available for this question!

8) Which SQL keyword is used to remove the duplication of rows from the result set?

a. DELETE
b. SELECT
c. DISTINCT
d. UNIQUE

Answer Explanation
ANSWER: DISTINCT Explanation: No explanation is available for this question!

9) Which type of lock does a record or page get locked immediately?

a. Pessimistic locking
b. Optimistic locking
c. Both A & B
d. None of the above

Answer Explanation
ANSWER: Pessimistic locking Explanation: No explanation is available for this question!

10) What is durability?

a. When an update occurs to a database, either all or none of the update becomes available to anyone
b. The transactions have been committed and will survive permanently
c. It determines how the transaction integrity will be visible to the other users and systems
d. All of the above

Answer Explanation
ANSWER: When an update occurs to a database, either all or none of the update becomes available to anyone Explanation: No explanation is available for this question!

11) What are the Report Generators used for?

a. Retrieve information from files
b. Answer queries
c. Both A & B
d. None of the above

Answer Explanation
ANSWER: Both A & B Explanation: No explanation is available for this question!

12) Which is an essential characteristic of a normal form where every determinant in a table must be a candidate key?

a. First
b. Second
c. Boyce - Codd
d. Fifth

Answer Explanation
ANSWER: Boyce - Codd Explanation: No explanation is available for this question!

13) Which of the following is the fastest sorting algorithm to sort a list?

a. Quick sort
b. Bubble sort
c. Binary sort
d. Linear sort

Answer Explanation
ANSWER: Quick sort Explanation: No explanation is available for this question!

14) Which method is used to remove the elements from a Stack?

a. Push()
b. Remove()
c. pop()
d. Ispop()

Answer Explanation
ANSWER: pop() Explanation: No explanation is available for this question!

15) Which type of Arrays are used to store the information in a matrix form? (Data Structure)

a. Multidimensional Arrays
b. Arrays
c. Dimensional Arrays
d. Both A and C

Answer Explanation
ANSWER: Multidimensional Arrays Explanation: No explanation is available for this question!

16) R Tree’s are typically used in which way that are differing from B Tree's?

a. Spatial access methods
b. Vectors
c. Both A and B
d. FAT

Answer Explanation
ANSWER: Both A and B Explanation: No explanation is available for this question!

17) The Element Indices of an array can compute at ___________.

a. Cannot be computed
b. Compile time
c. Run time
d. Both A and C

Answer Explanation
ANSWER: Run time Explanation: No explanation is available for this question!

18) Which of the following is / are the Applications of B Tree’s?

a. Databases
b. File Systems
c. Both A and B
d. Memory

Answer Explanation
ANSWER: Both A and B Explanation: No explanation is available for this question!

19) A graph with n vertices will definitely have a parallel edge or a self loop if the total number of edges is ____________.

a. greater than n –1
b. less than n ( n – 1 )
c. greater than n ( n – 1 ) / 2
d. less than n2 / 2

Answer Explanation
ANSWER: greater than n –1 Explanation: No explanation is available for this question!

20) B Tree is an acronym for Binary Tree.

a. True
b. False

Answer Explanation
ANSWER: False Explanation: No explanation is available for this question!

21) From where the insertion starts with a B tree?

a. Root node
b. Any node
c. Could be A or B
d. Leaf node

Answer Explanation
ANSWER: Leaf node Explanation: No explanation is available for this question!

22) Which attribute can be used to uniquely define one table?

a. alt
b. id
c. <p>
d. border

Answer Explanation
ANSWER: id Explanation: No explanation is available for this question!

23) Which HTML element is used to define the description data?

a. <dt>
b. <dl>
c. <li>
d. <dd>

Answer Explanation
ANSWER: <dd> Explanation: No explanation is available for this question!

24) The <div> element has no required attributes, but style and class are common.

a. True
b. False

Answer Explanation
ANSWER: True Explanation: No explanation is available for this question!

25) Abbreviate RWD. (HTML)

a. Real World Data
b. Relay Wave Diagram
c. Responsive Web Design
d. Rewind

Answer Explanation
ANSWER: Responsive Web Design Explanation: No explanation is available for this question!

26) A process executes the code,

fork();
fork();
fork();

How many child processes are created?

a. 5
b. 8
c. 7
d. 9

Answer Explanation
ANSWER: 7 Explanation: No explanation is available for this question!

27) If hardware does not support _________ then a multi - user and multi - processing operating system cannot be implemented.

a. At least two modes of CPU execution
b. Demand paging
c. DMA for disk transfer
d. Address translation

Answer Explanation
ANSWER: Demand paging Explanation: No explanation is available for this question!

28) On a single processor four jobs are to be executed. At time t = (0) + (jobs arrive in the order of A, B, C, D). The burst CPU time requirements are 4, 1, 8, 1 time units respectively.
Under Round Robin Scheduling with the time slice of 1 time unit the completion time of A is ______.

a. 3
b. 5
c. 7
d. 9

Answer Explanation
ANSWER: 9 Explanation: No explanation is available for this question!

29) What invokes the system calls? (Operating System)

a. A privileged instruction
b. An indirect jump
c. A software interrupt
d. Polling

Answer Explanation
ANSWER: A software interrupt Explanation: No explanation is available for this question!

30) Consider a Unix - style I - node that has 10 direct pointers, 1 single, 1 double and 1 triple indirect pointers. What is the maximum possible file size if disk block size of 1kbyte, disk block address of 32 bit and 48 bit integers are used?

a. 2³⁴ byte
b. 2³² byte
c. 2⁶⁴ byte
d. 2²⁴ byte

Answer Explanation
ANSWER: 2³² byte Explanation: No explanation is available for this question!

DB/OS/DS/Networking/HTML - 3

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