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IBM C1000-018 online practice questions

The answer to the question is at the end of the article

QUESTION 1

Which statement about False Positive Building Blocks applies?
Using False Positive Building Blocks:

A. helps to prevent unwanted alerts, but there is no effect on performance.

B. helps to prevent unwanted alerts, and reduces the performance impact of testing rules that do not need to be tested.

C. has no impact on unwanted alerts, but it does reduce the performance impact of testing rules that do not need to be tested.

D. has no impact on unwanted alerts, or performance.

Reference: https://community.carbonblack.com/t5/Knowledge-Base/Cb-Defense-UnderstandingEliminating-UnwantedAlerts/ta-p/44924

QUESTION 2

After working with an Offense, an analyst set the Offense as hidden. What does the analyst need to do to view the
Offense at a later time?

A. In the all Offenses view, at the top of the view, select “Show hidden” from the “Select an option” drop-down.

B. Search for all Offenses owned by the analyst.

C. Click Clear Filter next to the “Exclude Hidden Offenses”.

D. In the all Offenses view, select Actions, then select show hidden Offenses.

Explanation:
To clear the filter on the offense list, click Clear Filter next to the Exclude Hidden Offenses search parameter.
Reference: https://www.ibm.com/docs/fi/qradar-on-cloud?topic=actions-showing-hidden-offenses

QUESTION 3

The administrator had set up several scheduled reports that can be executed by analysts every Monday, and the first
day of each month. On Thursday, an executive requests one of the weekly reports. If the analyst executes the report on Thursday, what information will the report contain?

A. Data from Monday to Sunday from the previous week.

B. Data from Thursday from the previous week to Wednesday from the current week.

C. Data from Monday to Thursday from the current week.

D. Data from Monday to Wednesday from the current week.

QUESTION 4

An analyst is performing an investigation regarding an Offense. The analyst is uncertain to whom some of the external
destination IP addresses in List of Events are registered.
How can the analyst verify to whom the IP addresses are registered?

A. Right-click on the destination address, More Options, then Navigate, and then Destination Summary
B. Right-click on the destination address, More Options, then IP Owner
C. Right-click on the destination address, More Options, then Information, and then WHOIS Lookup
D. Right-click on the destination address, More Options, then Information, and then DNS Lookup

Explanation:
Navigate > View Destination Summary Displays the offenses that are associated with the selected
destination IP address.
Reference: https://www.ibm.com/docs/en/SS42VS_7.3.3/com.ibm.qradar.doc/b_qradar_users_guide.pdf

QUESTION 5

Which QRadar component stored Offenses?

A. Console

B. Data Node

C. Event Processor

D. Event Collector

Explanation: QRadar Data Node Data Nodes enable new and existing QRadar deployments to add storage and
processing capacity on demand as required. Data Nodes help to increase the search speed in your deployment by
providing more hardware resources to run search queries on.
Reference: https://www.ibm.com/docs/en/qsip/7.4?topic=overview-qradar-components

QUESTION 6

An analyst has to perform an export of events within a timeframe, but not all the columns are present in the log view for the time period the analyst has selected. The analyst only needs specific columns exported for an external analysis.
How can the analyst accomplish this task?

A. Edit the search and select the extra columns, then export the result with Action/Export to XML/Full Export. This export is only supported in XML.

B. Edit the search and select the extra columns, then export the result with Action/Export to XML/Visible Columns. This
export is only supported in XML.

C. Edit the search result and select the extra columns, then export the result with Action/Export to CSV/ Full Export.

D. Edit the search result and select the extra columns, then export the result with Action/Export to CSV/ Visible
Columns.

Reference: https://www.ibm.com/docs/en/qsip/7.4?topic=investigation-exporting-events

QUESTION 7

An analyst is investigating an Offense and has found that the issue is that a firewall appears to be misconfigured and
has permitted traffic that should be prevented to pass.
As part of the firewall rule change process, the analyst needs to send the offense details to the firewall team to
demonstrate that the firewall permitted traffic that should have been blocked.
How would the analyst send the Offense summary to an email mailbox?

A. Find the CRE Event in the Log Activity tab, open the event detail and select ‘Email linked Offense details’ from the
‘Action’ menu.

B. Search for the events linked to the Offense in the Log Activity tab; Select all events and copy them using CTRL-C
then paste into an email client.

C. Open the Offense in the Offenses tab, select ‘Email’ from the ‘Action’ menu item and, optionally, add some extra
information.

D. Identify the Offense in the Offense list, right click on the Offense and select ‘Custom Action Script’; ‘Offense
Mailer’

QUESTION 8

An analyst noticed that from a particular subnet (203.0.113.0/24), all IP addresses are simultaneously
trying to reach out to the company\\’s publicly hosted FTP server.
The analyst also noticed that this activity has resulted in a Type B Superflow on the Network Activity tab.
Under which category, should the analyst report this issue to the security administrator?

A. Syn Flood

B. Port Scan

C. Network Scan

D. DDoS

QUESTION 9

An analyst had been researching an Offense that has now disappeared from the active Offense list.
What is the period of time that has to pass before an active Offense that receives no new contributing events or flows
become inactive?

A. 5 days

B. 3 days

C. 24 hours

D. 1 hour

Explanation:
An offense remains in a dormant state for 5 days. If an event is added while an offense is dormant, the
five-day counter is reset.
Reference: https://www.ibm.com/docs/en/SS42VS_7.3.2/com.ibm.qradar.doc/b_qradar_users_guide.pdf

QUESTION 10

Which consideration should be given to the position of rule tests that evaluate regular expressions (Regex tests)?

A. They can only be used in Building Blocks to ensure they are evaluated as infrequently as possible.

B. They are usually the most specific. As such, they should appear first in the order.

C. They are usually the most expensive. As such, they should appear last in the order.

D. They are stateful tests. As such QRadar automatically evaluates them last.

Reference: https://towardsdatascience.com/everything-you-need-to-know-about-regular-expressions8f622fe10b03

QUESTION 11

An analyst needs to investigate why an Offense was created. How can the analyst investigate?

A. Review the Offense summary to investigate the flow and event details.

B. Review the X-Force rules to investigate the Offense flow and event details.

C. Review pages of the Asset tab to investigate Offense details.

D. Review the Vulnerability Assessment tab to investigate Offense details.

QUESTION 12

An analyst is encountering a large number of false positive results. Legitimate internal network traffic contains valid
flows and events which are making it difficult to identify true security incidents.
What can the analyst do to reduce these false positive indicators?

A. Create X-Force rules to detect false positive events.

B. Create an anomaly rule to detect false positives and suppress the event.

C. Filter the network traffic to receive only security related events.

D. Modify rules and/or Building Block to suppress false positive activity.

QUESTION 13

An analyst investigates an Offense that will need more research to outline what has occurred. The analyst marks a
‘Follow up’ flag on the Offense.
What happens to the Offense after it is tagged with a ‘Follow up’ flag?

A. Only the analyst issuing the follow up flag can now close the Offense.

B. New events or flows will not be applied to the Offense.

C. A flag icon is displayed for the Offense in the Offense view.

D. Other analysts in QRadar get an email to look at the Offense.

Explanation:
The offense now displays the follow-up icon in the Flag column.
Reference: https://www.ibm.com/docs/en/qsip/7.4?topic=actions-marking-offense-follow-up

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