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

（A）A vendor-specific proprietary protocol for the communication of real-time plant data between control devices

（B）An open standard serial communications protocol widely used in industrial manufacturing environments

（C）An open standard protocol for the communication of real-time data between devices from different manufacturers

（D）An open standard protocol for real-time field bus communication between automation technology devices

（A）Includes user applications specific to network applications such as email, file transfer, and reading data registers in a PLC

（B）Includes protocols specific to network applications such as email, file transfer, and reading data registers in a PLC

（C）Delivers and formats information, possibly with encryption and security

（D）Provides the mechanism for opening, closing, and managing a session between end-user application processes

（A）Communications robustness testing, functional security assurance, and software robustness communications

（B）Software robustness security testing, functional software assessment assurance, and essential security functionality assessment

（C）Communication speed, disaster recovery, and essential security functionality assessment

（D）Software development security assurance, functional security assessment, and communications robustness testing

（A）Escalation-of-privileges

（B）Phishing

（C）Spoofing

（D）Denial-of-service

（A）PROFIBUS DP

（B）PROF1SAFE

（C）PROFIBUS PA

（D）PROFINET

（A）ATCP/UDP application ID

（B）ATCP/UDP port number

（C）ATCP/UDP registry number

（D）A TCP/UDP host ID

（A）Level 2: Quality Control

（B）Level 3: Operations Management

（C）Level 1: Supervisory Control

（D）Level 4: Process

（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