The bandwidth of optic fiber is high.

A. True
B. False
C.
D.

Identify the range of optical communication from the following.

A. to ultraviolet
B. Microwaves to ultraviolet
C. Microwaves to x rays
D. X rays to gamma rays

The range of radio frequencies for communication through free space is which of the following?

A. Few hundreds of hz to a few khz
B. Few hundreds of mhz to a few ghz
C. Few hundreds of khz to a few ghz
D. Few hundreds of hz to a few thousands khz

Which of the following is not a medium of transmission?

A. Microwave system
B. Wire
C. Free space
D. Fiber optic cable

Which is not an example of state information?

A. Mounting information
B. Description of hdd space
C. Session keys
D. Lock status

What are the examples of state information?

A. Opened files and their clients
B. File descriptors and file handles
C. Current file position pointers
D. All of the mentioned

What is networked virtual memory?

A. Caching
B. Segmentation
C. Ram disk
D. None of the mentioned

What is the advantage of caching in remote file access?

A. Reduced network traffic by retaining recently accessed disk blocks
B. Faster network access
C. Copies of data creates backup automatically
D. None of the mentioned

What are the different ways mounting of the file system?

A. Boot mounting
B. Auto mounting
C. Explicit mounting
D. All of the mentioned

Which is not a major component of a file system?

A. Directory service
B. Authorization service
C. Shadow service
D. System service