Welcome to ExamTopics
ExamTopics Logo
- Expert Verified, Online, Free.
exam questions

Exam Cybersecurity Fundamentals Specialist All Questions

View all questions & answers for the Cybersecurity Fundamentals Specialist exam

Exam Cybersecurity Fundamentals Specialist topic 1 question 66 discussion

Actual exam question from ISA's Cybersecurity Fundamentals Specialist
Question #: 66
Topic #: 1
[All Cybersecurity Fundamentals Specialist Questions]

What is OPC?

  • A. An open standard protocol for real-time field bus communication between automation technology devices
  • B. An open standard protocol for the communication of real-time data between devices from different manufacturers
  • C. An open standard serial communications protocol widely used in industrial manufacturing environments
  • D. A vendor-specific proprietary protocol for the communication of real-time plant data between control devices
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️

Comments

Chosen Answer:
This is a voting comment (?) , you can switch to a simple comment.
Switch to a voting comment New
ac873d6
8 months ago
Selected Answer: B
OPC, Open Platform Communications. A long time ago you may have known OPC as Object Linking and Embedding for Process Control. OLE. It was developed back in 1996 by an industrial automation industry task force. There's this continuous quest to find that universal protocol that's going to work with everything and anything, and to improve things. The original OPC is based on Microsoft COM and DCOM, object link embedding, component object models, distributed component object model technology, the communications within the Microsoft OS operating system. It specifies the communication of real-time plant data between control devices from different manufacturers. IC32M page 352
upvoted 2 times
...
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.

SaveCancel
Loading ...