Network Systems And Services: Quiz!

15 Questions | Total Attempts: 313

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Network Systems And Services: Quiz! - Quiz

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Questions and Answers
  • 1. 
    Which of the following services is NOT provided by the Operating System?
    • A. 

      Program Execution

    • B. 

      Web Services

    • C. 

      Access to I/O devices

    • D. 

      Controlled Access to files

  • 2. 
    Which of the following descriptions about the kernel of the Operating System is FALSE?
    • A. 

      It is also called the Nucleus

    • B. 

      It is part of the operating system in main memory

    • C. 

      It includes system utilities

    • D. 

      It contains the most frequently-used functions

  • 3. 
    Multiprogramming is about:
    • A. 

      Allowing more than one program to be executed at the same time

    • B. 

      Designing and developing more than one program at the same time

    • C. 

      Debugging more than one program at the same time

    • D. 

      Managing more than one PC at the same time

  • 4. 
    Which two major developments in hardware made multiprogramming possible?
    • A. 

      Memory protection

    • B. 

      Larger Disks

    • C. 

      Better compilers

    • D. 

      More precise timers

  • 5. 
    Which of the following description of a process is FALSE:
    • A. 

      A program in execution

    • B. 

      An instance of a program running on a computer

    • C. 

      The execution of the scheduler or other parts of the operating system

    • D. 

      A unit of activity characterized by a single sequential thread of execution, a current state, and an associated set of system resources

  • 6. 
    Which of the following is not achieved using memory management?
    • A. 

      Synchronization between processes

    • B. 

      Automatic allocation and management of memory

    • C. 

      Protection and access control

    • D. 

      Process isolation

  • 7. 
    Virtual Memory is used to:
    • A. 

      To extend the amount of physical memory that is being used

    • B. 

      To improve the performance of the disk

    • C. 

      To run programs which are much larger than the size of the physical memory on the machine

    • D. 

      To allow machines to communicate over the network

  • 8. 
    Paging is NOT used to:
    • A. 

      Allow only the parts of the program that are needed at that time to be in main memory

    • B. 

      Increase the efficiency of main memory

    • C. 

      Increase multiprogramming

    • D. 

      Increase the speed of program execution

  • 9. 
    A memory management unit or MMU is used to:
    • A. 

      Manage the physical memory of the machine

    • B. 

      Manage the translation between vertical and physical addresses

    • C. 

      Manage the interface between main memory and the disk

    • D. 

      Manage the interface between the processor and main memory

  • 10. 
    Which of the following should NOT be part of a microkernel?
    • A. 

      Address space management

    • B. 

      Interprocess Communication

    • C. 

      File System Services

    • D. 

      Basic scheduling

  • 11. 
    A thread may be defined as:
    • A. 

      A dispatch-able unit of work

    • B. 

      A process that has finished execution

    • C. 

      A process with interrupts disabled

    • D. 

      A fast I/O device

  • 12. 
    A multi-threaded process:
    • A. 

      Accesses I/O devices directly

    • B. 

      Controls the L2 cache

    • C. 

      Allows many threads to be executed in its address space

    • D. 

      Can modify the system scheduler

  • 13. 
    A distributed operating system can be described as an OS where:
    • A. 

      A separate copy of the OS must be run on a machine with only a one processor

    • B. 

      A separate copy of the OS must be run on a machine with symmetric processors

    • C. 

      Different parts of the OS are distributed to several applications running on the same machine

    • D. 

      Different parts of the OS are distributed to several machines and are run at the same time

  • 14. 
    Which operating system environment can be described as a multi-layered sandwich?
    • A. 

      Windows NT/2000/XP

    • B. 

      VxWorks

    • C. 

      Unix

    • D. 

      Solaris

  • 15. 
    Which operating system environment can be described as a multi-layered onion?
    • A. 

      Window NT/2000/XP

    • B. 

      VxWorks

    • C. 

      Unix

    • D. 

      Nucleus

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