What Is a Large Computer Network Usually Spanning a City

question 112

Multiple Choice

What is a large computer network usually spanning a city or a specific infrastructure like a college?

• A)metropolitan area network (MAN)
• B)local area network (LAN)
• C)wide area network (WAN)
• D)secure area network (SAN)

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Definitions:

Input Image Table File

A file used in digital processing that contains data or parameters for images to be processed or analyzed.

Examine If Open

A programming command used in PLCs to check if a digital input or control function is in an open (inactive or off) state before proceeding with logic operations.

Examine-Off Instruction

A programmable logic controller (PLC) command used to check if a specific input or condition is not active or off.

Normally Closed Relay

A normally closed relay is a type of relay where the contact points are closed (i.e., the circuit is complete and can carry current) when the relay is not energized, and open when it is energized.