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NEW QUESTION # 13
Which is the PRIMARY objective when defining a security zone?
Available Choices (select all choices that are correct)
- A. All assets in the zone must be from the same vendor.
- B. All assets in the zone must be physically located in the same area.
- C. All assets in the zone must be at the same level in the Purdue model.
- D. All assets in the zone must share the same security requirements.
Answer: D
NEW QUESTION # 14
What is the name of the protocol that implements serial Modbus over Ethernet?
Available Choices (select all choices that are correct)
- A. MODBUS/CIP
- B. MODBUS/TCP
- C. MODBUS/Plus
- D. MODBUS/Ethernet
Answer: B
NEW QUESTION # 15
Which organization manages the ISASecure conformance certification program?
Available Choices (select all choices that are correct)
- A. Security Compliance Institute
- B. Automation Federation
- C. National Institute of Standards and Technology
- D. American Society for Industrial Security
Answer: A
NEW QUESTION # 16
Which analysis method is MOST frequently used as an input to a security risk assessment?
Available Choices (select all choices that are correct)
- A. Job Safety Analysis(JSA)
- B. System Safety Analysis(SSA)
- C. Process Hazard Analysis (PHA)
- D. Failure Mode and Effects Analysis
Answer: C
NEW QUESTION # 17
Security Levels (SLs) are broken down into which three types?
Available Choices (select all choices that are correct)
- A. Target.capability, and availability
- B. Target.capacity, and achieved
- C. Target.capability, and achieved
- D. SL-1, SL-2, and SL-3
Answer: C
NEW QUESTION # 18
What is a feature of an asymmetric key?
Available Choices (select all choices that are correct)
- A. Has lower network overhead
- B. Uses different keys
- C. Shares the same key OD.
- D. Uses a continuous stream
Answer: B
NEW QUESTION # 19
Which of the following provides the overall conceptual basis in the design of an appropriate security program?
Available Choices (select all choices that are correct)
- A. Reference architecture
- B. Zone model
- C. Reference model
- D. Asset model
Answer: C
NEW QUESTION # 20
Authorization (user accounts) must be granted based on which of the following?
Available Choices (select all choices that are correct)
- A. System complexity
- B. Common needs for large groups
- C. Specific roles
- D. Individual preferences
Answer: C
NEW QUESTION # 21
Which is a role of the application layer?
Available Choices (select all choices that are correct)
- 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
Answer: A
NEW QUESTION # 22
Which of the following is the underlying protocol for Ethernet/IP?
Available Choices (select all choices that are correct)
- A. Building Automation and Control Network (BACnet)
- B. Object Linking and Embedding (OLE) for Process Control
- C. Common Industrial Protocol
- D. Highway Addressable Remote Transducer (HART)
Answer: C
NEW QUESTION # 23
Which is a common pitfall when initiating a CSMS program?
Available Choices (select all choices that are correct)
- A. Insufficient documentation due to lack of good follow-up
- B. Failure to relate to the mission of the organization
- C. Immediate jump into detailed risk assessment
- D. Organizational lack of communication
Answer: B
NEW QUESTION # 24
Which of the following is a trend that has caused a significant percentage of security vulnerabilities?
Available Choices (select all choices that are correct)
- A. IACS evolving into a number of closed proprietary systems
- B. IACS becoming integrated with business and enterprise systems
- C. IACS developing into a network of air-gapped systems
- D. IACS using equipment designed for measurement and control
Answer: B
NEW QUESTION # 25
Which of the following is the BEST reason for periodic audits?
Available Choices (select all choices that are correct)
- A. To validate that security policies and procedures are performing
- B. To confirm audit procedures
- C. To meet regulations
- D. To adhere to a published or approved schedule
Answer: A
NEW QUESTION # 26
What.are the two elements of the risk analysis category of an IACS?
Available Choices (select all choices that are correct)
- A. Business rationale and risk reduction and avoidance
- B. Risk evaluation and risk identification
- C. Business rationale and risk identification and classification
- D. Business recovery and risk elimination or mitigation
Answer: C
NEW QUESTION # 27
The Risk Analysis category contains background information that is used where?
Available Choices (select all choices that are correct)
- A. Only the Assessment element
- B. Many other elements in the CSMS
- C. Only the Risk ID element
- D. (Elements external to the CSMS
Answer: C
NEW QUESTION # 28
Which of the following attacks relies on a human weakness to succeed?
Available Choices (select all choices that are correct)
- A. Denial-of-service
- B. Phishing
- C. Spoofing
- D. Escalation-of-privileges
Answer: B
NEW QUESTION # 29
Which of the following PRIMARILY determines access privileges for user accounts?
Available Choices (select all choices that are correct)
- A. Common practice
- B. Technical capability
- C. Users' desire for ease of use
- D. Authorization security policy
Answer: D
NEW QUESTION # 30
Which characteristic is MOST closely associated with the deployment of a demilitarized zone (DMZ)?
Available Choices (select all choices that are correct)
- A. Level 4 systems must use the DMZ to communicate with Level 3 and below.
- B. Email is prevented, thereby mitigating the risk of phishing attempts.
- C. Internet access through the firewall is allowed.
- D. Level 0 can only interact with Level 1 through the firewall.
Answer: A
NEW QUESTION # 31
In an IACS system, a typical security conduit consists of which of the following assets?
Available Choices (select all choices that are correct)
- A. Ferrous, thickwall, and threaded conduit including raceways
- B. Power lines, cabinet enclosures, and protective grounds
- C. Controllers, sensors, transmitters, and final control elements
- D. Wiring, routers, switches, and network management devices
Answer: D
NEW QUESTION # 32
What do packet filter firewalls examine?
Available Choices (select all choices that are correct)
- A. The relationships between packets in a session
- B. Every incoming packet up to the application layer
- C. Only the source, destination, and ports in the header of each packet
- D. The packet structure and sequence
Answer: C
NEW QUESTION # 33
Which of the following are the critical variables related to access control?
Available Choices (select all choices that are correct)
- A. Password strength and change frequency
- B. Reporting and monitoring
- C. Account management and password strength
- D. Account management and monitoring
Answer: C
NEW QUESTION # 34
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