Palo Alto Networks Certified Detection and Remediation Analyst練習テスト2024年最新のPCDRAストレスなしで合格させちゃう！
練習Palo Alto Certifications and Accreditations PCDRA問題集オンライン試験練習テストと詳細な解説付き！
PCDRA認定は、サイバーセキュリティの専門家がPalo Alto Networksプラットフォームを使用してサイバー脅威を検出および対処するスキルと専門知識を証明するための優れた方法です。この認定は、グローバルに認知され、Palo Alto Networksテクノロジーに精通したサイバーセキュリティ専門家の採用を希望する組織に高く評価されています。PCDRA試験に合格することで、候補者はキャリアの見通しを向上させ、サイバーセキュリティ業界のさまざまな仕事の機会にアクセスすることができます。
PCDRA認定試験は、候補者のサイバーセキュリティに関する知識とスキルを厳しくテストする試験です。この試験は、複数選択問題から構成され、高度な脅威検出および対応技術の理解、およびPalo Alto Networksセキュリティソリューションの設定と管理能力を測定することを目的としています。試験はプロクター付きで、オンラインまたはテストセンターで受験することができます。
質問 # 29
Which Type of IOC can you define in Cortex XDR?
- A. e-mail address
- B. destination port
- C. App-ID
- D. full path
正解：D
解説：
Explanation
Cortex XDR allows you to define IOCs based on various criteria, such as file hashes, registry keys, IP addresses, domain names, and full paths. A full path IOC is a specific location of a file or folder on an endpoint, such as C:\Windows\System32\calc.exe. You can use full path IOCs to detect and respond to malicious files or folders that are located in known locations on your endpoints12.
Let's briefly discuss the other options to provide a comprehensive explanation:
A: destination port: This is not the correct answer. Destination port is not a type of IOC that you can define in Cortex XDR. Destination port is a network attribute that indicates the port number to which a packet is sent. Cortex XDR does not support defining IOCs based on destination ports, but you can use XQL queries to filter network events by destination ports3.
B: e-mail address: This is not the correct answer. E-mail address is not a type of IOC that you can define in Cortex XDR. E-mail address is an identifier that is used to send and receive e-mails. Cortex XDR does not support defining IOCs based on e-mail addresses, but you can use the Cortex XDR - IOC integration with Cortex XSOAR to ingest IOCs from various sources, including e-mail addresses4.
D: App-ID: This is not the correct answer. App-ID is not a type of IOC that you can define in Cortex XDR.
App-ID is a feature of Palo Alto Networks firewalls that identifies and controls applications on the network. Cortex XDR does not support defining IOCs based on App-IDs, but you can use the Cortex XDR Analytics app to create custom rules that use App-IDs as part of the rule logic5.
In conclusion, full path is the type of IOC that you can define in Cortex XDR. By using full path IOCs, you can enhance your detection and response capabilities and protect your endpoints from malicious files or folders.
References:
* Create an IOC Rule
* XQL Reference Guide: Network Events Schema
* Cortex XDR - IOC
* Cortex XDR Analytics App
* PCDRA: Which Type of IOC can define in Cortex XDR?
質問 # 30
After scan, how does file quarantine function work on an endpoint?
- A. Quarantine disables the network adapters and locks down access preventing any communications with the endpoint.
- B. Quarantine removes a specific file from its location on a local or removable drive to a protected folder and prevents it from being executed.
- C. Quarantine prevents an endpoint from communicating with anything besides the listed exceptions in the agent profile and Cortex XDR.
- D. Quarantine takes ownership of the files and folders and prevents execution through access control.
正解：B
解説：
Explanation
Quarantine is a feature of Cortex XDR that allows you to isolate a malicious file from its original location and prevent it from being executed. Quarantine works by moving the file to a protected folder on the endpoint and changing its permissions and attributes. Quarantine can be applied to files detected by periodic scans or by behavioral threat protection (BTP) rules. Quarantine is only supported for portable executable (PE) and dynamic link library (DLL) files. Quarantine does not affect the network connectivity or the communication of the endpoint with Cortex XDR. References:
* Quarantine Malicious Files
* Manage Quarantined Files
質問 # 31
As a Malware Analyst working with Cortex XDR you notice an alert suggesting that there was a prevented attempt to open a malicious Word document. You learn from the WildFire report and AutoFocus that this document is known to have been used in Phishing campaigns since 2018. What steps can you take to ensure that the same document is not opened by other users in your organization protected by the Cortex XDR agent?
- A. No step is required because the malicious document is already stopped.
- B. Enable DLL Protection on all endpoints but there might be some false positives.
- C. Create Behavioral Threat Protection (BTP) rules to recognize and prevent the activity.
- D. No step is required because Cortex shares IOCs with our fellow Cyber Threat Alliance members.
正解：C
解説：
Explanation
The correct answer is B, create Behavioral Threat Protection (BTP) rules to recognize and prevent the activity.
BTP rules are a powerful feature of Cortex XDR that allow you to define custom rules to detect and block malicious behaviors on endpoints. You can use BTP rules to create indicators of compromise (IOCs) based on file attributes, registry keys, processes, network connections, and other criteria. By creating BTP rules, you can prevent the same malicious Word document from being opened by other users in your organization, even if the document has a different name or hash value. BTP rules are updated through content updates and can be managed from the Cortex XDR console.
The other options are incorrect for the following reasons:
* A is incorrect because enabling DLL Protection on all endpoints is not a specific or effective way to prevent the malicious Word document. DLL Protection is a feature of Cortex XDR that prevents the loading of unsigned or untrusted DLLs by protected processes. However, this feature does not apply to Word documents or macros, and may cause false positives or compatibility issues with legitimate applications.
* C is incorrect because relying on Cortex to share IOCs with the Cyber Threat Alliance members is not a proactive or sufficient way to prevent the malicious Word document. The Cyber Threat Alliance is a group of cybersecurity vendors that share threat intelligence and best practices to improve their products and services. However, not all vendors are members of the alliance, and not all IOCs are shared or updated in a timely manner. Therefore, you cannot assume that other users in your organization are protected by the same IOCs as Cortex XDR.
* D is incorrect because doing nothing is not a responsible or secure way to prevent the malicious Word document. Even though Cortex XDR agent prevented the attempt to open the document on one endpoint, it does not mean that the document is no longer a threat. The document may still be circulating in your network or email system, and may be opened by other users who have different agent profiles or policies. Therefore, you should take steps to identify and block the document across your organization.
References:
* Cortex XDR Agent Administrator Guide: Behavioral Threat Protection
* Cortex XDR Agent Administrator Guide: DLL Protection
* Palo Alto Networks: Cyber Threat Alliance
質問 # 32
Which statement is true for Application Exploits and Kernel Exploits?
- A. The ultimate goal of any exploit is to reach the kernel.
- B. Application exploits leverage kernel vulnerability.
- C. Kernel exploits are easier to prevent then application exploits.
- D. The ultimate goal of any exploit is to reach the application.
正解：D
質問 # 33
Which of the following protection modules is checked first in the Cortex XDR Windows agent malware protection flow?
- A. Restriction Policy
- B. Child Process Protection
- C. Behavioral Threat Protection
- D. Hash Verdict Determination
正解：D
解説：
Explanation
The first protection module that is checked in the Cortex XDR Windows agent malware protection flow is the Hash Verdict Determination. This module compares the hash of the executable file that is about to run on the endpoint with a list of known malicious hashes stored in the Cortex XDR cloud. If the hash matches a malicious hash, the agent blocks the execution and generates an alert. If the hash does not match a malicious hash, the agent proceeds to the next protection module, which is the Restriction Policy1.
The Hash Verdict Determination module is the first line of defense against malware, as it can quickly and efficiently prevent known threats from running on the endpoint. However, this module cannot protect against unknown or zero-day threats, which have no known hash signature. Therefore, the Cortex XDR agent relies on other protection modules, such as Behavioral Threat Protection, Child Process Protection, and Exploit Protection, to detect and block malicious behaviors and exploits that may occur during the execution of the file1.
References:
* Palo Alto Networks Cortex XDR Documentation, File Analysis and Protection Flow
質問 # 34
In incident-related widgets, how would you filter the display to only show incidents that were "starred"?
- A. Click the star in the widget
- B. Create a custom XQL widget
- C. This is not currently supported
- D. Create a custom report and filter on starred incidents
正解：A
解説：
Explanation
To filter the display to only show incidents that were "starred", you need to click the star in the widget. This will apply a filter that shows only the incidents that contain a starred alert, which is an alert that matches a specific condition that you define in the incident starring configuration. You can use the incident starring feature to prioritize and focus on the most important or relevant incidents in your environment1.
Let's briefly discuss the other options to provide a comprehensive explanation:
A: Create a custom XQL widget: This is not the correct answer. Creating a custom XQL widget is not necessary to filter the display to only show starred incidents. A custom XQL widget is a widget that you create by using the XQL query language to define the data source and the visualization type. You can use custom XQL widgets to create your own dashboards or reports, but they are not required for filtering incidents by stars2.
B: This is not currently supported: This is not the correct answer. Filtering the display to only show starred incidents is currently supported by Cortex XDR. You can use the star icon in the widget to apply this filter, or you can use the Filter Builder to create a custom filter based on the Starred field1.
C: Create a custom report and filter on starred incidents: This is not the correct answer. Creating a custom report and filtering on starred incidents is not the only way to filter the display to only show starred incidents.
A custom report is a report that you create by using the Report Builder to define the data source, the layout, and the schedule. You can use custom reports to generate and share periodic reports on your Cortex XDR data, but they are not the only option for filtering incidents by stars3.
In conclusion, clicking the star in the widget is the simplest and easiest way to filter the display to only show incidents that were "starred". By using this feature, you can quickly identify and focus on the most critical or relevant incidents in your environment.
References:
* Filter Incidents by Stars
* Create a Custom XQL Widget
* Create a Custom Report
質問 # 35
When creating a scheduled report which is not an option?
- A. Run quarterly on a certain day and time.
- B. Run daily at a certain time (selectable hours and minutes).
- C. Run weekly on a certain day and time.
- D. Run monthly on a certain day and time.
正解：A
解説：
Explanation
When creating a scheduled report in Cortex XDR, the option to run quarterly on a certain day and time is not available. You can only schedule reports to run daily, weekly, or monthly. You can also specify the start and end dates, the time zone, and the recipients of the report. Scheduled reports are useful for generating regular reports on the security events, incidents, alerts, or endpoints in your network. You can create scheduled reports from the Reports page in the Cortex XDR console, or from the Query Center by saving a query as a report.
References:
* Run or Schedule Reports
* Create a Scheduled Report
質問 # 36
When investigating security events, which feature in Cortex XDR is useful for reverting the changes on the endpoint?
- A. Automatic Remediation
- B. Remediation Automation
- C. Machine Remediation
- D. Remediation Suggestions
正解：D
質問 # 37
What is the difference between presets and datasets in XQL?
- A. A dataset is a database; presets is a field.
- B. A dataset is a Cortex data lake data source only; presets are built-in data source.
- C. A dataset is a built-in orthird-partysource; presets group XDR data fields.
- D. A dataset is a third-party data source; presets are built-in data source.
正解：C
解説：
Explanation
The difference between presets and datasets in XQL is that a dataset is a built-in or third-party data source, while a preset is a group of XDR data fields. A dataset is a collection of data that you can query and analyze using XQL. A dataset can be a Cortex data lake data source, such as endpoints, alerts, incidents, or network flows, or a third-party data source, such as AWS CloudTrail, Azure Activity Logs, or Google Cloud Audit Logs. A preset is a predefined set of XDR data fields that are relevant for a specific use case, such as process execution, file operations, or network activity. A preset can help you simplify and standardize your XQL queries by selecting the most important fields for youranalysis. You can use presets with any Cortex data lake data source, but not with third-party data sources. References:
* Datasets and Presets
* XQL Language Reference
質問 # 38
When is the wss (WebSocket Secure) protocol used?
- A. when the Cortex XDR agent connects to WildFire to upload files for analysis
- B. when the Cortex XDR agent uploads alert data
- C. when the Cortex XDR agent establishes a bidirectional communication channel
- D. when the Cortex XDR agent downloads new security content
正解：C
質問 # 39
Which of the following paths will successfully activate Remediation Suggestions?
- A. Alerts Table > Right-click on an alert > Remediation Suggestions
- B. Causality View > Actions > Remediation Suggestions
- C. Incident View > Actions > Remediation Suggestions
- D. Alerts Table > Right-click on a process node > Remediation Suggestions
正解：B
解説：
Explanation
Remediation Suggestions is a feature of Cortex XDR that provides you with recommended actions to remediate the root cause and impact of an incident. Remediation Suggestions are based on the analysis of the causality chain, the behavior of the malicious files or processes, and the best practices for incident response.
Remediation Suggestions can help you to quickly and effectively contain and resolve an incident, as well as prevent future recurrence.
To activate Remediation Suggestions, you need to follow these steps:
* In the Cortex XDR management console, go to Incidents and select an incident that you want to remediate.
* Click Causality View to see the graphical representation of the causality chain of the incident.
* Click Actions and select Remediation Suggestions. This will open a new window that shows the suggested actions for each node in the causality chain.
* Review the suggested actions and select the ones that you want to apply. You can also edit or delete the suggested actions, or add your own custom actions.
* Click Apply to execute the selected actions on the affected endpoints. You can also schedule the actions to run at a later time or date.
References:
* Remediate Changes from Malicious Activity: This document explains how to use Remediation Suggestions to remediate the root cause and impact of an incident.
* Causality View: This document describes how to use Causality View to investigate the causality chain of an incident.
質問 # 40
An attacker tries to load dynamic libraries on macOS from an unsecure location. Which Cortex XDR module can prevent this attack?
- A. Kernel Integrity Monitor (KIM)
- B. DDL Security
- C. Dylib Hijacking
- D. Hot Patch Protection
正解：C
解説：
Explanation
The correct answer is D. Dylib Hijacking. Dylib Hijacking, also known as Dynamic Library Hijacking, is a technique used by attackers to load malicious dynamic libraries on macOS from an unsecure location. This technique takes advantage of the way macOS searches for dynamic libraries to load when an application is executed. To prevent such attacks, Palo Alto Networks offers the Dylib Hijacking prevention capability as part of their Cortex XDR platform. This capability is designed to detect and block attempts to load dynamic libraries from unauthorized or unsecure locations1.
Let's briefly discuss the other options to provide a comprehensive explanation:
A: DDL Security: This is not the correct answer. DDL Security is not specifically designed to prevent dynamic library loading attacks on macOS. DDL Security is focused on protecting against DLL (Dynamic Link Library) hijacking on Windows systems2.
B: Hot Patch Protection: Hot Patch Protection is not directly related to preventing dynamic library loading attacks. It is a security feature that protects against runtime patching or modification of code in memory, often used by advanced attackers to bypass security measures3. While Hot Patch Protection is a valuable security feature, it is not directly relevant to the scenario described.
C: Kernel Integrity Monitor (KIM): Kernel Integrity Monitor is also not the correct answer. KIM is a module in Cortex XDR that focuses on monitoring and protecting the integrity of the macOS kernel. It detects and prevents unauthorized modifications to critical kernel components4. While KIM plays an essential role in overall macOS security, it does not specifically address the prevention of dynamic library loading attacks.
In conclusion, Dylib Hijacking is the Cortex XDR module that specifically addresses the prevention of attackers loading dynamic libraries from unsecure locations on macOS. By leveraging this module, organizations can enhance their security posture and protect against this specific attack vector.
References:
* Endpoint Protection Modules
* DDL Security
* Hot Patch Protection
* Kernel Integrity Monitor
質問 # 41
Which built-in dashboard would be the best option for an executive, if they were looking for the Mean Time to Resolution (MTTR) metric?
- A. Security Admin Dashboard
- B. Data Ingestion Dashboard
- C. Incident Management Dashboard
- D. Security Manager Dashboard
正解：D
質問 # 42
As a Malware Analyst working with Cortex XDR you notice an alert suggesting that there was a prevented attempt to download Cobalt Strike on one of your servers. Days later, you learn about a massive ongoing supply chain attack. Using Cortex XDR you recognize that your server was compromised by the attack and that Cortex XDR prevented it. What steps can you take to ensure that the same protection is extended to all your servers?
- A. Create IOCs of the malicious files you have found to prevent their execution.
- B. Create Behavioral Threat Protection (BTP) rules to recognize and prevent the activity.
- C. Enable Behavioral Threat Protection (BTP) with cytool to prevent the attack from spreading.
- D. Enable DLL Protection on all servers but there might be some false positives.
正解：B
質問 # 43
Which of the following best defines the Windows Registry as used by the Cortex XDR agent?
- A. a system of files used by the operating system to commit memory that exceeds the available hardware resources. Also known as the "swap"
- B. a ledger for maintaining accurate and up-to-date information on total disk usage and disk space remaining available to the operating system
- C. a hierarchical database that stores settings for the operating system and for applications
- D. a central system, available via the internet, for registering officially licensed versions of software to prove ownership
正解：C
解説：
Explanation
The Windows Registry is a hierarchical database that stores settings for the operating system and for applications that run on Windows. The registry contains information, settings, options, and other values for programs and hardware installed on all versions of Microsoft Windows operating systems. The registry is organized into five main sections, called hives, each of which contains keys, subkeys, and values. The Cortex XDR agent uses the registry to store its configuration, status, and logs, as well as to monitor and control the endpoint's security features. The Cortex XDR agent also allows you to run scripts that can read, write, or delete registry keys and values on the endpoint. References:
* Windows Registry - Wikipedia
* Registry Operations
質問 # 44
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Palo Alto Networksはサイバーセキュリティソリューションのリーダー企業であり、ネットワークセキュリティの様々な側面における専門知識を証明するための認定資格を提供しています。そのような認定資格のひとつが、Palo Alto Networksの技術を使用してネットワークセキュリティの脅威を検出し、対処する能力を個人がテストするために設計されたPalo Alto Networks Certified Detection and Remediation Analyst (PCDRA)試験です。
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