GRID 시험 - GIAC실제시험문제와 답 - 140문항

Question No : 1

Why is it critical to develop a baseline of normal behavior before conducting threat hunting in an ICS environment?

A.To reduce energy consumption
B.To identify deviations from normal behavior that could indicate potential threats
C.To disable unnecessary systems
D.To eliminate the need for monitoring

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Question No : 2

What is one major limitation of signature-based detection systems in ICS environments?

A.They can detect unknown threats easily
B.They improve system performance
C.They rely on pre-existing signatures and may fail to detect new or unknown threats
D.They are automatically updated in real-time

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Question No : 3

Which tool is commonly used for monitoring network traffic in ICS environments?

A.Microsoft Word
B.Wireshark
C.Photoshop
D.Google Drive

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Question No : 4

Which tool or technology is commonly used for active defense in ICS environments to detect anomalies in network traffic?

A.Office 365
B.Network traffic encryption tools
C.Intrusion Detection Systems (IDS)
D.Cloud storage services

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Question No : 5

How does active defense in ICS environments differ from passive defense?

A.Active defense takes no action in response to threats
B.Active defense focuses on monitoring, detection, and response in real-time, while passive defense focuses on building barriers and minimizing attack surfaces
C.Active defense is less effective than passive defense
D.Passive defense involves real-time mitigation of threats

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Question No : 6

Which of the following steps should be taken first when responding to a cybersecurity incident in an ICS environment?

A.Identify and analyze the affected systems
B.Shut down all systems
C.Replace all hardware
D.Restart the network

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Question No : 7

Why is it important to use both automated tools and manual techniques during threat hunting in ICS environments?

A.Automated tools are too expensive
B.Manual techniques are more accurate
C.Automated tools help identify known threats, while manual techniques allow hunters to discover unknown or stealthy threats
D.Manual techniques eliminate the need for detection tools

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Question No : 8

What is the key purpose of having an incident response plan in place for ICS environments?

A.To improve system performance
B.To provide a structured approach to responding to and recovering from security incidents
C.To eliminate all cybersecurity threats
D.To manage employee scheduling

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Question No : 9

What is a common challenge in conducting threat hunting in ICS environments?

A.High employee turnover
B.Lack of visibility into proprietary ICS protocols and devices
C.Lack of network traffic
D.Reduced system storage capacity

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Question No : 10

Which of the following is a key factor when determining whether a detected anomaly is a legitimate threat?

A.The source and destination of the traffic
B.The employee who detected the anomaly
C.The size of the network
D.The weather conditions

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Question No : 11

Which of the following best describes the value of threat intelligence in ICS environments?

A.It helps organizations identify, analyze, and respond to threats more effectively by providing detailed information about current and future threats
B.It increases the complexity of network operations
C.It improves hardware maintenance
D.It eliminates the need for incident response

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Question No : 12

How can active defense help prevent the exploitation of known vulnerabilities in an ICS environment?

A.By ignoring vulnerability reports
B.By disabling all network connections
C.By continuously monitoring for attempts to exploit vulnerabilities and responding with automated mitigation actions
D.By upgrading all systems to the latest versions immediately

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Question No : 13

How does visibility into communication flows between devices help enhance security in an ICS environment?

A.It increases employee efficiency
B.It reduces system memory usage
C.It decreases the cost of system maintenance
D.It allows security teams to detect and address unauthorized communication patterns that may indicate a security breach

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Question No : 14

Why is it important to monitor both internal and external traffic in an ICS environment?

A.To track financial transactions
B.To improve employee productivity
C.To detect potential threats from both inside and outside the network
D.To reduce system storage requirements

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Question No : 15

Which detection technique is commonly used to monitor unauthorized changes to configurations in ICS environments?

A.User activity logging
B.Network traffic analysis
C.File integrity monitoring
D.Antivirus scanning

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GIAC GRID 시험