[Nov-2021] IBM C1000-018 Exam Basic Questions With Answers [Q52-Q71]

[Nov-2021] IBM C1000-018 Exam: Basic Questions With Answers 

New 2021 Realistic Free IBM C1000-018 Exam Dump Questions & Answer

IBM C1000-018 Exam Syllabus Topics:

NEW QUESTION 52
An analyst has been assigned a task to modify a rule in such a manner that Source IP of the triggered Offense from this rule should be stored in a Reference set.
Under which section of the rule wizard can the analyst achieve this?

• A. Rule Response
• B. Rule Test Stack Editor
• C. Rule Response Limiter
• D. Rule Action

Answer: B

NEW QUESTION 53
How would an analyst Interpret this QRadar notification: "SAR Sentinel: threshold crossed?"

• A. The system load is above the threshold and can experience reduced performance.
• B. The anomaly detection engine has detected volume of failed logins above the threshold.
• C. The system disk usage is above the threshold and must be reduced to avoid potential data loss.
• D. The Custom Rule Engine is currently detecting a distributed denial of service attack.

Answer: C

NEW QUESTION 54
While creating a new custom property, which is a valid property types selection?

• A. Event Based
• B. Flow Based
• C. AQL Based
• D. Regular Expressions Based

Answer: D

NEW QUESTION 55
An analyst needs to investigate an Offense and navigates to the attached rule(s).
Where in the rule details would the analyst investigate the reason for why the rule was triggered?

• A. Rule actions
• B. List of test conditions
• C. Rules response limiter
• D. Rule responses

Answer: C

NEW QUESTION 56
How can a log source be defined?

• A. Data source such as a firewall or intrusion protection system (IPS) that creates an event log.
• B. Data source such as a user interacting with a QRadar Console to do daily work.
• C. Data source such as Netflow. J-Flow or sFlow data.
• D. Data source that can be found on the Network Activity tab.

Answer: A

NEW QUESTION 57
An analyst is investigating a series of events that triggered an Offense. The analyst wants to get more detailed information about the IP address from the reference set.
How can the analyst accomplish this?

• A. Click on Searches tab then perform a Quick Search
• B. Click on Log Activity tab then perform a Quick Search
• C. Click on Searches tab then perform an Advanced Search
• D. Click on Log Activity tab then perform an Advanced Search

Answer: C

NEW QUESTION 58
What information is included in flow details but is not in event details?

• A. Number of bytes and packets transferred
• B. Log source information
• C. Magnitude information
• D. Network summary information

Answer: D

NEW QUESTION 59
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. Modify rules and/or Building Block to suppress false positive activity.
• B. Create X-Force rules to detect false positive events.
• C. Create an anomaly rule to detect false positives and suppress the event.
• D. Filter the network traffic to receive only security related events.

Answer: D

NEW QUESTION 60
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. Network Scan
• C. DDoS
• D. Port Scan

Answer: A

Explanation:
Explanation
https://www.ibm.com/docs/en/SS42VS_7.3.3/com.ibm.qradar.doc/b_qradar_admin_guide.pdf

NEW QUESTION 61
An analyst has manually created a new log source in QRadar.
What is the Low Level Category that will be applied to all events sent from this log log source type is applied?

• A. Unknown
• B. Unavailable
• C. Stored
• D. Not Found

Answer: D

NEW QUESTION 62
From which tab in QRadar SIEM can an analyst search vulnerability data and remediate vulnerabilities?

• A. Assets
• B. Log Activity
• C. Dashboard
• D. Admin

Answer: A

Explanation:
Explanation
When IBM Security QRadar Vulnerability Manager is enabled, you can perform vulnerability assessment tasks on the Vulnerabilities tab. From the Assets tab, you can run IBM Security QRadar Vulnerability Manager scans on selected assets.

NEW QUESTION 63
What is the reason for this system notification?
"Time synchronization to primary or Console has failed"

• A. Deny ntpdate communication on port 123
• B. Deny ntpdate communication on port 323.
• C. Deny ntpdate communication on port 423.
• D. Deny ntpdate communication on port 223.

Answer: B

NEW QUESTION 64
An analyst is investigating access to sensitive data on a Linux system. Data is accessible from the /secret directory and can be viewed using the 'sudo oaf command. The specific file /secret/file_08-txt was known to be accessed in this way. After searching in the Log Activity Tab, the following results are shown.

When interpreting this, the analyst is having trouble locating events which show when the file was accessed.
Why could this be?

• A. The 'LinuxServer @ centos' log source has coalescing configured and the specific event for that file can only be accessed by clicking on the 'Event Count' value.
• B. The 'LinuxServer @ centos' log source has not been configured to send the relevant events to QRadar.
• C. The ;LinuxServer @ centos; log source has coalesscing conigured and the specific event for that file has been discardedd.
• D. The 'LinuxServer @ cantos' log source has boon configured as a Faise Positive and the specific event for that file has been dropped.

Answer: A

NEW QUESTION 65
To provide insight into why QRadar considers the event to be threatening, what does QRadar add to the Offense that users cannot edit or delete?

• A. Attack path
• B. Location
• C. Annotations
• D. Source IP

Answer: C

Explanation:
Explanation
https://www.ibm.com/docs/en/qsip/7.4?topic=investigations-investigating-offense-by-using-summary-informatio Annotations provide insight into why QRadar considers the event or observed traffic to be threatening.
QRadar can add annotations when it adds events or flows to an offense. The oldest annotation shows information that QRadar added when the offense was created. Users cannot add, edit, or delete annotations.

NEW QUESTION 66
Why would an analyst update host definition building blocks in QRadar?

• A. To narrow a search.
• B. To reduce false positives.
• C. To stop receiving events from the host.
• D. To close an Offense

Answer: D

Explanation:
Explanation
Building blocks to reduce the number of offenses that are generated by high volume traffic servers.

NEW QUESTION 67
QRadar collects information from numerous log sources and other agents. Sometimes these agents stop reporting to QRadar for a variety of reasons. There is a default rule in QRadar to help identify these cases called the Device Stopped Sending Events (DSSE) Rule.
What does the DSSE Rule do?

• A. It checks for log sources which are reporting that they have not had any communication in a certain amount of time.
• B. It runs when there is an absence of Events.
• C. It checks for Rules which have fired due to an absence of Events.
• D. It listens for log sources that send out regular health events and triggers the Rule when encountered

Answer: C

NEW QUESTION 68
An analyst has observed that for a particular user, authentication to an organization's critical server is different than the normal access pattern.
How can the analyst verify that all the authentications initiated from the user are valid?

• A. Perform a search with filter Source IP group by Username, then validate the Username
• B. Perform a search with filter Destination IP group by Username, then validate the Username
• C. Perform a search with filter Username group by Source IP, then validate the Source IP
• D. Perform a search with filter Username group by Source IP, then validate the Destination IP

Answer: A

NEW QUESTION 69
When an analyst sees the system notification "The appliance exceeded the EPS or FPM allocation within the last hour", how does the analyst resolve this issue? (Choose two.)

• A. Adjust the resource pool allocations to increase the EPS and FPM capacity for the appliance.
• B. Adjust the license pool allocations to increase the EPS and FPM capacity for the appliance.
• C. Tune the system to reduce the volume of events and flows that enter the event pipeline.
• D. Tune the system to reduce the time window from 60 minutes to 30 minutes.
• E. Delete the volume of events and flows received in the last hour.

Answer: B,C

Explanation:
Explanation
User response
Adjust the license pool allocations to increase the EPS and FPM capacity for the appliance.
Tune the system to reduce the volume of events and flows that enter the event pipeline.

NEW QUESTION 70
An analyst for a particular offense needs to investigate to understand the breakdown of the offense details.
How can the analyst do this?

• A. Look at all the event QIDs attached to the offense.
• B. Look at the magnitude information and its breakdown.
• C. View the attack path of the offense.
• D. Look at the list of categories, event low level categories and the events attached.

Answer: D

NEW QUESTION 71
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