Task 9

______________ in NFS involves the parsing of a path name into separate directory entries – or components.

• Path parse

• Path name parse

• Path name translation

• Path name parsing

For every pair of component and directory vnode after path name translation ____________

• a single NFS lookup call is used sequentially

• a single NFS lookup call is used beginning from the last component

• at least two NFS lookup calls per component are performed

• a separate NFS lookup call is performed

When a client has a cascading mount _______ server(s) is/are involved in a path name traversal.

• at least one

• more than one

• more than two

• more than three

I/O hardware contains ____________

• Bus

• Controller

• I/O port and its registers

• All of the mentioned

The data-in register of I/O port is ____________

• Read by host to get input

• Read by controller to get input

• Written by host to send output

• Written by host to start a command

The host sets _____ bit when a command is available for the controller to execute.

• write

• status

• command-ready

• control

When hardware is accessed by reading and writing to the specific memory locations, then it is called ____________

• port-mapped I/O

• controller-mapped I/O

• bus-mapped I/O

• none of the mentioned

Device drivers are implemented to interface ____________

• character devices

• block devices

• network devices

• all of the mentioned

Which hardware triggers some operation after certain programmed count?

• programmable interval timer

• interrupt timer

• programmable timer

• none of the mentioned

The device-status table contains ____________

• each I/O device type

• each I/O device address

• each I/O device state

• all of the mentioned