易安信笔试题和面试题答案(4)

招聘笔试题2018-11-22王新老师

  15 两页的内存,四页的文件,读取顺序为 1 2 1 3 1 2 4 2 1 3 1 2 4 2 1 2 3 4 3 1,FIFO,问cache hit ratio为多少

  16 线程

  选项 contained with a process

  share an address space

  share signals

  share errno

  swith的速度比process快

  17 which one is not above IP

  DNS, SNMP, HTTP, ARP, NTP

  18 Map-Reduce Framework

  19 Buffer overflow

  20 system virtualization

  VM, VMM, IO, memory space

  21

  #include

  using namespace

  void main()

  {

  cout << “hello world” << endl;

  }

  修改程序,不能修改主程序,使其输出为

  initiate

  hello world

  destroy

  22 process & thread

  virtual memory space

  kernel register, stack

  fork

  copy-on-write

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