[2024年01月09日] NSE7_ADA-6.3 PDF問題とテストエンジンには36問があります
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Fortinet NSE7_ADA-6.3試験は、ネットワークセキュリティ分析の高度な知識とスキルを提供する認定試験です。この試験は、ネットワークセキュリティと分析の専門知識を実証したい専門家向けに設計されています。この認定は、ネットワークセキュリティと分析の分野における候補者の知識を検証し、それらがこの分野で認められた専門家になることを可能にします。
Fortinet NSE7_ADA-6.3認定試験は、ファイアウォール、VPN、侵入防止システムなど、ネットワークセキュリティの基本的な知識をカバーするベンダーに中立な試験です。この試験では、ネットワークの動作分析、異常検出、セキュリティ情報とイベント管理（SIEM）などの高度なトピックについてもカバーしています。試験に合格した候補者は、Fortinet NSE 7-上級分析の専門家として認定されており、セキュリティ分析の専門知識で認められています。
Fortinet NSE7_ADA-6.3認定試験は、Fortinetのセキュリティファブリック製品とサービスを担当するITプロフェッショナルに最適です。この試験では、高度な分析の概念、機械学習、データ分析手法など、さまざまなトピックをカバーしています。また、候補者は、Fortinetのセキュリティファブリックアーキテクチャの知識と、FortisiemとFortianalyzerを展開および管理する能力についてもテストされます。
質問 # 20
From where does the rule engine load the baseline data values?
- A. The profile report
- B. The memory
- C. The profile database
- D. The daily database
正解：C
解説：
Explanation
The rule engine loads the baseline data values from the profile database. The profile database contains historical data that is used for baselining calculations, such as minimum, maximum, average, standard deviation, and percentile values for various metrics.
質問 # 21
Refer to the exhibit.
The window for this rule is 30 minutes.
What is this rule tracking?
- A. A sudden 75% increase in WMI response times over a 30-minute time window
- B. A sudden 50% increase in WMI response times over a 30-minute time window
- C. A sudden 150% increase in WMI response times over a 30-minute time window
- D. A sudden 1.50 times increase in WMI response times over a 30-minute time window
正解：D
解説：
Explanation
The rule is tracking the WMI response times from Windows devices using a baseline calculation. The rule will trigger an incident if the current WMI response time is greater than or equal to 1.50 times the average WMI response time in the last 30 minutes.
質問 # 22
From where does the rule engine load the baseline data values?
- A. The profile report
- B. The memory
- C. The profile database
- D. The daily database
正解：C
解説：
Explanation
The rule engine loads the baseline data values from the profile database. The profile database contains historical data that is used for baselining calculations, such as minimum, maximum, average, standard deviation, and percentile values for various metrics.
質問 # 23
Refer to the exhibit.
The rule evaluates multiple VPN logon failures within a ten-minute window. Consider the following VPN failure events received within a ten-minute window:
How many incidents are generated?
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
解説：
Explanation
The rule evaluates multiple VPN logon failures within a ten-minute window. The rule will generate an incident if there are more than three VPN logon failures from the same source IP address within a ten-minute window.
Based on the VPN failure events received within a ten-minute window, there are two incidents generated:
* One incident for source IP address 10.10.10.10, which has four VPN logon failures at 09:01, 09:02,
09:03, and 09:04.
* One incident for source IP address 10.10.10.11, which has four VPN logon failures at 09:06, 09:07,
09:08, and 09:09.
質問 # 24
Which statement about EPS bursting is true?
- A. FortiSIEM will let you burst up to five times the licensed EPS at any given time, regardless of unused of EPS.
- B. FortiSIEM will let you burst up to five times the licensed EPS once during a 24-hour period.
- C. FortiSIEM will let you burst up to five times the licensed EPS at any given time, provided it has accumulated enough unused EPS.
- D. FortiSIEM must be provisioned with ten percent the licensed EPS to handle potential event surges.
正解：C
解説：
Explanation
FortiSIEM allows EPS bursting to handle event spikes without dropping events or violating the license agreement. EPS bursting means that FortiSIEM will let you burst up to five times the licensed EPS at any given time, provided it has accumulated enough unused EPS from previous time intervals.
質問 # 25
Which syntax will register a collector to the supervisor?
- A. phProvisionCollector --add
- B. phProvisionCollector --add
- C. phProvisionCollector --add
- D. phProvisionCollector --add
正解：C
解説：
Explanation
The syntax that will register a collector to the supervisor is phProvisionCollector --add <supervisor IP>. This command will initiate the registration process between the collector and the supervisor, and exchange certificates and configuration information. The <supervisor IP> parameter is the IP address of the supervisor node.
質問 # 26
What are the modes of Data Ingestion on FortiSOAR? (Choose three.)
- A. Policy based
- B. Schedule based
- C. Notification based
- D. Rule based
- E. App Push
正解：B、C、E
解説：
Explanation
The modes of Data Ingestion on FortiSOAR are notification based, app push, and schedule based. Notification based mode allows FortiSOAR to receive data from external sources via webhooks or email notifications. App push mode allows FortiSOAR to receive data from external sources via API calls or scripts. Schedule based mode allows FortiSOAR to pull data from external sources at regular intervals using connectors.
References: Fortinet NSE 7 - Advanced Analytics 6.3 Exam Description, page 17
質問 # 27
Refer to the exhibit. Click on the calculator button.
The profile database contains CPU utilization values from day one. At midnight on the second day, the CPU utilization values from the daily database will be merged with the profile database.
In the profile database, in the Hour of Day column where 9 is the value, what will be the updated minimum, maximum, and average CPU utilization values?
- A. Min CPU Util=32.31, Max CPU Ucil=32.31 and AVG CPU Util=32.31
- B. Min CPU Util=32.31, Max CPU Ucil=33.50 and AVG CPU Util=32.67
- C. Min CPU Util=32.31, Max CPU Ucil=33.50 and AVG CPU Util=33.50
- D. Min CPU Util=33.50, Max CPU Ucil=33.50 and AVG CPU Util=33.50
正解：B
解説：
Explanation
The profile database contains CPU utilization values from day one. At midnight on the second day, the CPU utilization values from the daily database will be merged with the profile database using a weighted average formula:
New value = (Old value x Old weight) + (New value x New weight) / (Old weight + New weight) The weight is determined by the number of days in each database. In this case, the profile database has one day of data and the daily database has one day of data, so the weight is equal for both databases. Therefore, the formula simplifies to:
New value = (Old value + New value) / 2
In the profile database, in the Hour of Day column where 9 is the value, the updated minimum, maximum, and average CPU utilization values are:
Min CPU Util = (32.31 + 32.31) / 2 = 32.31 Max CPU Util = (33.50 + 33.50) / 2 = 33.50 AVG CPU Util = (32.67 + 32.67) / 2 = 32.67
質問 # 28
Which three statements about collector communication with the FortiSIEM cluster are true? (Choose three.)
- A. Collectors upload event data to any node in the worker upload list, but report their health directly to the supervisor node.
- B. Collectors communicate periodically with the supervisor node.
- C. The supervisor does not initiate any connections to the collector node.
- D. The supervisor periodically checks the health of the collector.
- E. The only communication between the collector and the supervisor is during the registration process.
正解：A、B、D
解説：
Explanation
The statements about collector communication with the FortiSIEM cluster that are true are:
* Collectors communicate periodically with the supervisor node. Collectors send heartbeat messages to the supervisor every 30 seconds to report their status and configuration.
* The supervisor periodically checks the health of the collector. The supervisor monitors the heartbeat messages from collectors and alerts if there is any issue with their connectivity or performance.
* Collectors upload event data to any node in the worker upload list, but report their health directly to the supervisor node. Collectors use a round-robin algorithm to distribute event data among worker nodes in the worker upload list, which is provided by the supervisor during registration. However, collectors only report their health and status to the supervisor node.
質問 # 29
Refer to the exhibit.
An administrator runs an analytic search for all FortiGate SSL VPN logon failures. The results are grouped by source IP, reporting IP, and user. The administrator wants to restrict the results to only those rows where the COUNT >= 3.
Which user would meet that condition?
- A. Jan
- B. Sarah
- C. Admin
- D. Tom
正解：D
解説：
Explanation
The user who would meet that condition is Tom. Tom has four rows in the results where the COUNT is greater than or equal to three, meaning he had at least three SSL VPN logon failures from the same source IP and reporting IP. The other users have either less than three rows or less than three COUNT in each row.
質問 # 30
Which of the following are two Tactics in the MITRE ATT&CK framework? (Choose two.)
- A. Root kit
- B. Discovery
- C. Phishing
- D. Reconnaissance
- E. BITS Jobs
正解：B、D
解説：
Explanation
Reconnaissance and Discovery are two Tactics in the MITRE ATT&CK framework. Tactics are the high-level objectives of an adversary, such as initial access, persistence, lateral movement, etc. Reconnaissance is the tactic of gathering information about a target before launching an attack. Discovery is the tactic of exploring a compromised system or network to find information or assets of interest. References: Fortinet NSE 7 - Advanced Analytics 6.3 Exam Description, page 21
質問 # 31
Which three statements about phRuleMaster are true? (Choose three.)
- A. phRuleMaster is present on the supervisor only
- B. phRuleMaster is present on the supervisor and workers.
- C. phRuleMaster queues up the data being received from the phRuleWorkers into buckets.
- D. phRuleMaster wakes up to evaluate all the rule data in series, every 30 seconds.
- E. phRuleMaster wakes up to evaluate all the rule data in parallel, even/ 30 seconds
正解：B、C、E
解説：
Explanation
phRuleMaster is a process that performs rule evaluation and incident generation on FortiSIEM. phRuleMaster queues up the data being received from the phRuleWorkers into buckets based on time intervals, such as one minute, five minutes, or ten minutes. phRuleMaster is present on both the supervisor and workers nodes of a FortiSIEM cluster. phRuleMaster wakes up every 30 seconds to evaluate all the rule data in parallel using multiple threads.
質問 # 32
How can you invoke an integration policy on FortiSIEM rules?
- A. Through Incident Notification settings
- B. Through remediation scripts
- C. Through External Authentication settings
- D. Through Notification Policy settings
正解：D
解説：
Explanation
You can invoke an integration policy on FortiSIEM rules by configuring the Notification Policy settings. You can select an integration policy from the drop-down list and specify the conditions for triggering it. For example, you can invoke an integration policy when an incident is created, updated, or closed.
References: Fortinet NSE 7 - Advanced Analytics 6.3 Exam Description, page 9
質問 # 33
Refer to the exhibit.
Why was this incident auto cleared?
- A. Within five minutes, the packet loss percentage dropped to a level where the reporting IP is same as the source IP
- B. Within five minutes the packet loss percentage dropped to a level where the reporting IP is the same as the host IP
- C. The original rule did not trigger within five minutes
- D. Within five minutes, the packet loss percentage dropped to a level where the host IP of the original rule matches the host IP of the clear condition pattern
正解：D
解説：
Explanation
The incident was auto cleared because within five minutes, the packet loss percentage dropped to a level where the host IP of the original rule matches the host IP of the clear condition pattern. The clear condition pattern specifies that if there is an event with a packet loss percentage less than or equal to 10% and a host IP that matches any host IP in this incident, then clear this incident.
質問 # 34
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