What is networked virtual memory?

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

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

Which is not an example of state information?

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

Which of the following is not a medium of transmission?

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

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

Identify the range of optical communication from the following.

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

The bandwidth of optic fiber is high.

• A. True
• B. False
• C.
• D.

Pick out the expansion of ITU.

• A. Internal telecommunication union
• B. International telephone union
• C. International telecommunication university
• D. International telecommunication union

Simple mail transfer protocol (SMTP) utilizes _________ as the transport layer protocol for electronic mail transfer.

• A. Tcp
• B. Udp
• C. Dccp
• D. Sctp

SMTP connections secured by SSL are known as _____________

• A. SMTPs
• B. Ssmtp
• C. Snmp
• D. Starttls