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Sunday, April 29, 2012

IT Quiz - 17

1. Which of the following blocks contains the information about the entire disk in an UNIX file system?
[A]Boot Block
[B]Super Block
[C]I-node Block
[D]Data Block


2. In OSI reference model, which of the following layers provides network transparency to the end users?
[A]Network layer
[B]Physical layer
[C]Presentation layer
[D]Application layer


3. Which of the following commands in Novell Netware Operating System deletes trustee rights from a directory?
[A]NCOPY
[B]REMOVE
[C]SALVAGE
[D]REVOKE


4. The mechanism used to break the output into two parts in UNIX is known as
[A]Piping
[B]Tee
[C]Parsing
[D]Redirection


5. Which of the following is/are true about digital transmission technology?
I. It provides higher transmission speeds.
II. It transmits multiple types of communications simultaneously on the same circuit.
III. It transfers larger amounts of information.
[A]Only (I) above
[B]Only (II) above
[C]Both (II) and (III) above
[D]All (I), (II) and (III) above


6. In telecommunication networks, which of the following is/are true about telecommunication media?
I. Twisted pair cables are twisted together to reduce the noise.
II. The insulation in the coaxial cable minimizes the interference from other signals.
III. The disadvantage of fiber optic cable is slicing of the cable to make the connections.
[A]Only (I) above
[B]Only (II) above
[C]Both (II) and (III) above
[D]All (I), (II) and (III) above


7. Which of the following collaborative work management tools helps in generating Gantt charts?
[A]Task an d project management
[B]Workflow system
[C]Calendaring and scheduling tools
[D]Knowledge management


8. Which of the following protocols in TCP/IP Reference Model is a reliable connection oriented protocol that allows a byte stream originating on one system to be delivered without error to any other system in the network?
[A]Transmisson Control Protocol
[B]User Datagram Protocol
[C]File Transfer Protocol
[D]HyperText Transfer Protocol


9. In C language, array index starts with
[A]0
[B]1
[C]2
[D]–1


10. How many categories of functions are present in C language?
[A]2
[B]3
[C]4
[D]1


11. In C program, the arguments used in the calling function are called
[A]Active arguments
[B]Passive arguments
[C]Actual arguments
[D]Formal arguments


12. Mr. Ramesh, the production manager in a reputed pharmaceutical company, asked his subordinate Mr. Suresh to provide him details of the first quarter sales in comparison with the overall sales for the year end ed March 31, 2005. Which of the following charts is helpful to him in this case?
[A]Line Chart
[B]Bar Chart
[C]Column Chart
[D]Pie Chart


13. Which of the following commands in Novell Netware Operating System recover the deleted files that have not be en purged?
[A]NCOPY
[B]REMOVE
[C]SALVAGE
[D]REVOKE


14. The main goal of database modeling is to eliminate redundant data by breaking each table into smaller tables. This process is referred to as
[A]Structuring
[B]Randomizing
[C]Analyzing
[D]Normalizing


15. Which of the following is/are the applications of Wide Area Network (WAN)?
I. Transaction acquisition.
II. Electronic Data Interchange (EDI).
III. LAN-to-LAN connections.
[A]Only (I) above
[B]Only (II) above
[C]Only (III) above
[D]All (I), (II) and (III) above


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