Supervisory Control and Data Acquisition ( SCADA ) Questions

This articles provides you the Supervisory Control and Data Acquisition ( SCADA ) Questions and answers for the examinations or interview preparation.

Supervisory Control and Data Acquisition ( SCADA ) Questions

Every question have 3 options, you can say like a , b, c… You can find the answers at the end of the article.

1 What does PLC stands for?

Programable Link Controllers
Programmable Logic Controllers
Neither of the above

2 What does SCADA stands for?

Supervisory Content and Data Acquisition
Supervisory Control and Data Acquisition
Superior Content and Data Acquisition

3 Which one of these are not used to connect remmote offshore platforms?

microwaves
100 base T cables
Fiberoptic cables

4 When was SCADA introduced into the North Sea?

1960’s
1950’s
1970’s

5 Why is Modbus becoming more important as time goes on manufacturers?

It is faster
It is cheaper
it is a standard that is used by most manafacturers

6 At which layer of the OSI model does the MODBUS messaging protocol reside?

layer 5
layer 6
layer 7

7 Modbus serial line protocol takes place at which layer of the OSI model?

layer 1
layer 2
layer 3

8 What MUST be the same for ALL devices on a Modbus network?

mode and serial parameters
connection and serial parameters
mode and connection parameters

9 What is a VFD:?

valve frequency device
variable frame drive
variable frequency drive

9 The modbus protocol was developed in which year?

1977
1978
1979

SCADA Answers -

answer[1] = “b”;
answer[2] = “b”;
answer[3] = “b”;
answer[4] = “a”;
answer[5] = “c”;
answer[6] = “b”;
answer[7] = “b”;
answer[8] = “a”;
answer[9] = “c”;
answer[10] = “b”;

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