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Saturday, April 7, 2012

IT Quiz Questions Answers Aptitude Awareness (IT Quiz - 15)

1. Which of the following networks have a single communications channel shared by all the machines onthe network?
I. Broadcast networks.
II. Point-to-Point networks.
III. Telecommunication networks.
[A]Only (I) above
[B]Only (II) above
[C]Only (III) above
[D]Both (I) and (II) above



2. Vision group provides services to client workstations, and to client-server operating systems using Novell Netware Operating System. Which of the following features of Netware operating systemprovides both users and network administrators with a single integrated view of an entire network and the servers connected to it?
[A]Redirector
[B]Netware Core Protocol (NCP)
[C]Netware Loadable Module (NLM)
[D]Netware Directory Services (NDS)



3. Which of the following will not come under the category of telecommunication media?
[A]Twisted-pair wire
[B]Coaxial cable
[C]Fiber optics
[D]Multiplexers



4. In a Database Management System, the physical level is
[A]The highest level of abstraction that describes how the data is actually stored
[B]Used to describe the customer data as a block of consecutive storage locations
[C]Used to describe each record by a type definition and the interrelationship among the records
[D]Users can see a set of application programs that hide details of the data types



5. Which of the following is not a part of UNIX file system?
[A]Boot block
[B]Super block
[C]J block
[D]I-node block



6. In UNIX, bootstrap is
[A]The software essential for starting the system
[B]The command used for starting the system
[C]The command used for allocating memory to different tasks
[D]A system file used to store the current users



7. Which of the following is not a feature of kernel in an UNIX operating system?
[A]File management
[B]Input/Output services
[C]Process scheduling and management
[D]Event handling



8. Which of the following commands is used to list the files showing attributes in UNIX operatingsystem?
[A]ls –x
[B]ls –l
[C]ls –a
[D]ls –t



9. Which of the following commands is used to send blind carbon copies to the list of names in UNIXoperating system?
[A]mail-c
[B]mail-v
[C]mail-s
[D]mail-b



10. The process of designating a system for the simultaneous transmission of two or more messages overthe same channel is called
[A]Multiplexing
[B]Networking
[C]Synchronizing
[D]Digitizing



11. Which of the following technologies allows mobiles to connect to the internet?
I. Bluetooth.
II. I-Mode.
III. WAP.
[A]Only (I) above
[B]Only (II) above
[C]Only (III) above
[D]Both (I) and (II) above



12. Which of the following networks is also called ‘peer network’?
[A]Ring network
[B]Bus network
[C]Star network
[D]Local area network



13. Which of the following protocols in TCP/IP Reference Model is used for client-server type request –reply queries and applications in which prompt delivery is more important than actual delivery?
[A]Transmisson Control Protocol
[B]User Datagram Protocol
[C]File Transfer Protocol
[D]HyperText Transfer Protocol



14. Which of the following features of Novell Netware Operating System determines accessibility to the objects?
[A]NDS Security
[B]Network Interface Cards
[C]Network Core Protocol
[D]File System access rights



15. Which of the following commands in Novell Netware Operating System permanently removes files thathave been marked for deletion?
[A]PURGE
[B]REMOVE
[C]SALVAGE
[D]REVOKE



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