ISA-IEC-62443 無料問題集「ISA/IEC 62443 Cybersecurity Fundamentals Specialist」

（A）3

（B）5

（C）4

（D）2

（A）Review of system logs and other key data files

（B）Significant changes in identified risk round in periodic reassessments

（C）Restricted access to the industrial control system to an as-needed basis

（D）Increase in staff training and security awareness

（A）Establish the risk tolerance and update the business continuity plan.

（B）Select common countermeasures and update the business continuity plan.

（C）Select common countermeasures and collaborate with stakeholders.

（D）Establish the risk tolerance and select common countermeasures.

（A）RS235

（B）RS435

（C）RS432

（D）RS232

（A）Provides the rules for framing, converting electrical signals to data

（B）Handles the physics of getting a message from one device to another

（C）Gives transparent transfer of data between end users

（D）Forwards packets, including routing through intermediate routers

（A）It is effective against all vulnerabilities in networks and computer systems.

（B）It is the lock on the door for networks and computer systems.

（C）It blocks malicious activity in networks and computer systems.

（D）It detects attempts to break into or misuse a computer system.

（A）Use of proprietary communications protocols

（B）Knowledge of exploits and tools readily available on the Internet

（C）Fewer personnel with system knowledge having access to IACS

（D）The move away from commercial off the shelf (COTS) systems, protocols, and networks

（A）System Safety Analysis(SSA)

（B）Job Safety Analysis

（C）Failure Mode and Effects Analysis

（D）Process Hazard Analysis (PHA)

（A）Ensures that users can access systems from remote locations

（B）Ensures that users correctly manage their username and password

（C）Ensures that users can access only certain devices on the network

（D）Ensures that users can access only the functions they need for their job