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質問 # 16
What happens to UEBA events when a user is off-net?
- A. The agent will cache events locally if it cannot upload them to a FortiSIEM collector
- B. The agent will drop the events if it cannot upload them to a FortiSIEM collector
- C. The agent will upload the events to the Supervisor if it cannot upload them to a FortiSIEM collector
- D. The agent will upload the events to the Worker if it cannot upload them to a FortiSIEM collector
正解：A
解説：
Explanation
When a user is off-net, meaning they are not connected to a network where a FortiSIEM collector is reachable, then UEBA events will be cached locally by the agent if it cannot upload them to a FortiSIEM collector. The agent will store up to 100 MB of events in a local database file and try to upload them when it detects a network change or every five minutes.
質問 # 17
On which disk are the SQLite databases that are used for the baselining stored?
- A. Disk2
- B. Disk3
- C. Disk1
- D. Disk4
正解：B
解説：
Explanation
The SQLite databases that are used for the baselining are stored on Disk3 of the FortiSIEM server. Disk3 is also used for storing raw event data and CMDB data.
質問 # 18
Refer to the exhibit.
The window for this rule is 30 minutes.
What is this rule tracking?
- A. A sudden 50% increase in WMI response times over a 30-minute time window
- B. A sudden 1.50 times 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 75% increase in WMI response times over a 30-minute time window
正解：B
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 # 19
Which three processes are collector processes? (Choose three.)
- A. phReportM aster
- B. phMonitorAgent
- C. phParser
- D. phRuleMaster
- E. phAgentManaqer
正解：B、C、D
解説：
Explanation
The collector processes are responsible for receiving, parsing, normalizing, correlating, and monitoring events from various sources. The collector processes are phParser, phRuleMaster, and phMonitorAgent.
質問 # 20
Why can collectors not be defined before the worker upload address is set on the supervisor?
- A. To ensure that the service provider has deployed at least one worker along with a supervisor
- B. Collectors receive the worker upload address during the registration process
- C. To ensure that the service provider has deployed a NFS server
- D. Collectors can only upload data to a worker, and the supervisor is not a worker
正解：B
解説：
Explanation
Collectors cannot be defined before the worker upload address is set on the supervisor because collectors receive the worker upload address during the registration process. The worker upload address is a list of IP addresses of worker nodes that can receive event data from collectors. The supervisor provides this list to collectors when they register with it, so that collectors can upload event data to any node in the list.
質問 # 21
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 host IP of the original rule matches the host IP of the clear condition pattern
- C. Within five minutes the packet loss percentage dropped to a level where the reporting IP is the same as the host IP
- D. The original rule did not trigger within five minutes
正解：B
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 # 22
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=33.50, Max CPU Ucil=33.50 and AVG CPU Util=33.50
- D. Min CPU Util=32.31, 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 # 23
What are the modes of Data Ingestion on FortiSOAR? (Choose three.)
- A. App Push
- B. Policy based
- C. Rule based
- D. Schedule based
- E. Notification based
正解：A、D、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 # 24
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：C
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 # 25
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. Sarah
- B. Jan
- 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 # 26
What is the disadvantage of automatic remediation?
- A. External threats or attacks detected by FortiSIEM will need user interaction to take action on an already overworked SOC team.
- B. It can make a disruptive change to a user, block access to an application, or disconnect critical systems from the network.
- C. Threat behaviors occurring during the night could take hours to respond to.
- D. It is equivalent to running an IPS in monitor-only mode - watches but does not block.
正解：B
解説：
Explanation
The disadvantage of automatic remediation is that it can make a disruptive change to a user, block access to an application, or disconnect critical systems from the network. Automatic remediation can have unintended consequences if not carefully planned and tested. Therefore, it is recommended to use manual or semi-automatic remediation for sensitive or critical systems. References: Fortinet NSE 7 - Advanced Analytics
6.3 Exam Description, page 15
質問 # 27
Refer to the exhibit.
The exhibit shows the output of an SQL command that an administrator ran to view the natural_id value, after logging into the Postgres database.
What does the natural_id value identify?
- A. The worker
- B. An agent
- C. The supervisor
- D. The collector
正解：D
解説：
Explanation
The natural_id value identifies the collector in the FortiSIEM system. The natural_id is a unique identifier that is assigned to each collector during the registration process with the supervisor. The natural_id is used to associate events and performance data with the collector that collected them.
質問 # 28
Refer to the exhibit.
The service provider deployed FortiSIEM without a collector and added three customers on the supervisor.
What mistake did the administrator make?
- A. Collectors must be deployed on all customer premises before they are added to organizations on the supervisor.
- B. The number of workers on the FortiSIEM cluster must match the number of customers added.
- C. At least one collector must be deployed to collect logs from service provider infrastructure devices.
- D. Customer A and customer B have overlapping IP addresses.
正解：D
解説：
Explanation
The mistake that the administrator made is that customer A and customer B have overlapping IP addresses.
This will cause confusion and errors in event collection and correlation, as well as CMDB discovery and classification. To avoid this problem, each customer should have a unique IP address range or use NAT to translate their IP addresses.
質問 # 29
Refer to the exhibit.
An administrator deploys a new collector for the first time, and notices that all the processes except the phMonitor are down.
How can the administrator bring the processes up?
- A. The administrator needs to run the command phtools --start all on the collector.
- B. Rebooting the collector will bring up the processes.
- C. The processes will come up after the collector is registered to the supervisor.
- D. The collector was not deployed properly and must be redeployed.
正解：C
解説：
Explanation
The collector processes are dependent on the registration with the supervisor. The phMonitor process is responsible for registering the collector to the supervisor and monitoring the health of other processes. After the registration is successful, the phMonitor will start the other processes on the collector.
質問 # 30
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