All Obstacles During C1000-162 Exam Preparation with C1000-162 Real Test Questions
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NEW QUESTION # 51
Several systems were initially reviewed as active offenses, but further analysis revealed that the traffic generated by these source systems is legitimate and should not contribute to offenses.
How can the activity be fine-tuned when multiple source systems are found to be generating the same event and targeting several systems?
- A. Use the Log Source Management app to tune the event
- B. Edit the building blocks by using the Custom Rules Editor to tune out a source IP
- C. Edit the building blocks by using the Custom Rules Editor to tune out a destination IP
- D. Edit the building blocks by using the Custom Rules Editor to tune out the specific event
Answer: D
Explanation:
Here's why this is the most effective approach:
* False Positive Reduction: The goal is to stop legitimate traffic from triggering offenses. This requires fine-tuning the rules generating those offenses.
* Building Blocks: Rules are housed within building blocks in QRadar's hierarchical rule structure. The Custom Rules Editor is the tool to modify them.
* Event-Based Tuning: The optimal approach is to target the specific event that's causing the false positives, making the solution more precise.
NEW QUESTION # 52
What does this example of a YARA rule represent?
- A. Flags content that contains the hex sequence, and hex! at least three times
- B. Flags content that contains the hex sequence, and str1 greater than three times
- C. Flags containing hex sequence and str1 less than three times
- D. Flags for str1 at an offset of 25 bytes into the file
Answer: D
Explanation:
A YARA rule is used for malware identification and classification, based on textual or binary patterns. The example provided suggests a rule that flags occurrences of a specific string (str1) at a precise location within a file. The "offset" keyword in YARA rules specifies the exact byte position where the pattern (in this case,
'str1') should appear. Thus, the correct interpretation of the YARA rule example is that it flags instances where
'str1' appears 25 bytes into the file,indicating a very specific pattern match used for identifying potentially malicious files or activities that conform to this pattern.
NEW QUESTION # 53
What is the default number of notifications that the System Notification dashboard can display?
- A. 20 notifications
- B. 50 notifications
- C. 5 notifications
- D. 10 notifications
Answer: D
Explanation:
The default setting for the System Notification dashboard is to display 10 notifications, providing a manageable overview of system alerts and issues. Users can adjust this setting to view fewer or more notifications based on their preferences.
NEW QUESTION # 54
What Is the result of the following AQL statement?
- A. Returns all fields where the username contains the ERS string and is case-sensitive
- B. Returns all fields where the username is different from the ERS string and is case-sensitive
- C. Returns all fields where the username is different from the ERS string and is case-insensitive
- D. Returns all fields where the username contains the ERS string and is case-insensitive
Answer: D
Explanation:
The AQL (Ariel Query Language) statement provided would return all fields from the 'events' table where the
'username' column contains the string 'ERS', regardless of case. The 'ILIKE' operator in AQL is used for case-insensitive pattern matching, which means that it will match 'ers', 'Ers', 'ErS', etc.
NEW QUESTION # 55
Which reference set data element attribute governs who can view its value?
- A. Domain
- B. Reference Set Management MSSP
- C. Tenant Assignment
- D. Origin
Answer: A
Explanation:
The Domain attribute governs who can view the value of a reference set data element, ensuring that only users with appropriate domain access or tenant assignments can view the data. This is essential for maintaining data visibility and access control within a multi-tenant QRadar environment.
NEW QUESTION # 56
Which condition is required to display the "Include in my Dashboard" parameter in the Log Activity tab while saving a search?
- A. This parameter is only displayed if the search is grouped
- B. The search must be set to Advanced Search and must be propagated with a high level of confidence
- C. Filter the columns that are listed in the Available Columns list and disable the Enable Unique Counts to display the flow counts instead of average counts over Real Time
- D. The result limits cannot be empty and not in a group
Answer: D
NEW QUESTION # 57
On the Reports tab in QRadar. what does the message "Queued (position in the queue)" indicate when generating a report?
- A. The report is scheduled to run, and the message is a count-down timer that specifies when the report will run next.
- B. The report is queued for generation and the message indicates the position of the report in the queue.
- C. The report is generating.
- D. The report is ready to be viewed in the Generated Reports column.
Answer: B
Explanation:
In the Reports tab of QRadar, the message "Queued (position in the queue)" indicates that the report is queued for generation. The message provides the position of the report within the generation queue, which helps users understand the report's status and expected generation time
NEW QUESTION # 58
From which tabs can a QRadar custom rule be created?
- A. Offenses, Log Activity, or Network Activity tabs
- B. Offenses or Admin tabs
- C. Log Activity or Network Action tabs
- D. Offenses. Assets, or Log Action tabs
Answer: A
Explanation:
In IBM Security QRadar SIEM V7.5, custom rules play a crucial role in detecting and responding to potential security threats. These rules can be created from various tabs within the QRadar interface, offering flexibility in how and where analysts choose to define their custom detection logic. Specifically, custom rules can be created from the Offenses, Log Activity, or Network Activity tabs. From the Offenses tab, analysts can create rules that are triggered by specific offense characteristics or patterns. The Log Activity and Network Activity tabs allow for the creation of rules based on observed events or network flows, respectively. This multi-faceted approach to rule creation enables analysts to tailor their detection strategies to different aspects of their environment, leveraging the rich data and insights provided by QRadar to identify and mitigate threats effectively.
NEW QUESTION # 59
Which two (2) statements regarding indexed custom event properties are true?
- A. The indexed filter adds to portions of the data set.
- B. Indexing searches a full event payload for values.
- C. The indexed filter eliminates portions of the data set and reduces the overall data volume and number of event or flow logs that must be searched.
- D. By default, data retention for the index payload is 7 days.
- E. Use indexed event and flow properties to optimize your searches.
Answer: C,E
Explanation:
Indexed custom event properties in IBM Security QRadar SIEM are designed to optimize the search process by narrowing down the overall data set. When a property is indexed, QRadar can more efficiently locate events or flows that match the search criteria, thereby reducing the overall volume of data that needs to be searched and enhancing performance. This is reflected in statement B, where indexed filters eliminate portions of the data set that are not relevant to the search query, effectively reducing the number of event or flow logs that must be examined .
Moreover, the use of indexed event and flow properties for optimizing searches is a recommended practice in QRadar. By selectively indexing properties that are frequently used in searches, analysts can significantly improve the speed and efficiency of their queries. This approach is beneficial in environments where quick access to specific event or flow data is crucial for timely threat detection and response. Therefore, statement Ehighlights the importance of utilizing indexed properties to streamline the search process and facilitate more effective security analytics .
NEW QUESTION # 60
What does the logical operator != in an AQL query do?
- A. Compares two values and returns true if they are unequal
- B. Compares a property to a value and returns false if they are unequal
- C. Takes a value and raises it to the specified power and returns the result
- D. Sets the value on the left of the operator equal to the right
Answer: A
Explanation:
The logical operator!=in an AQL (Ariel Query Language) query is used to compare two values and returns true if the values are unequal. This operator is a common element in various programming and query languages, and its purpose is consistent across these environments, including in IBM Security QRadar SIEM V7.5.
For instance, in an AQL query, if you are analyzing event or flow data and want to filter out records where a specific field, sayusername, does not equal a certain value, you could use the!=operator in your query like so:
SELECT * FROM events WHERE username != 'admin'. This query would return all records where the usernamefield does not equal 'admin'.
The use of the!=operator is crucial in data analysis and threat hunting within QRadar, as it allows security analysts to exclude certain data points and focus on the relevant data that might indicate security incidents or breaches.
NEW QUESTION # 61
Which two (2) options are used to search offense data on the By Networks page?
- A. Events/Flows
- B. Severity
- C. NetIP
- D. Raw/Flows
- E. Network
Answer: A,E
NEW QUESTION # 62
What is the difference between an unknown event and a stored event?
- A. Unknown events are mapped to the proper log source. Stored events are collected and parsed.
- B. Unknown events are collected and parsed, but cannot be mapped or categorized to a specific log source and stored events cannot be understood or parsed by QRadar.
- C. Stored events are mapped to the proper log source. Unknown events are collected and parsed.
- D. Stored events are collected and parsed but cannot be mapped or categorized to a specific log source.
Unknown events cannot be understood or parsed by QRadar.
Answer: B
Explanation:
In QRadar, "unknown events" refer to data that is collected and parsed by the system but cannot be accurately mapped or categorized to a specific log source due to lack of sufficient information or matching criteria. On the other hand, "stored events" imply that the data has been retained in the system but may not be fully understood or parsed by QRadar, possibly due to it not conforming to expected formats or lacking recognizable patterns. This distinction highlights the challenges in data categorization and analysis within a SIEM system, where not all collected data can be immediately attributed to known sources or fully analyzed due to various constraints .
NEW QUESTION # 63
What does an analyst need to do before configuring the QRadar Use Case Manager app?
- A. Run a QRadar health check.
- B. Create an authorized service token.
- C. Check the license agreement.
- D. Create a privileged user.
Answer: B
Explanation:
Before configuring the QRadar Use Case Manager app, it is essential to ensure that the app has the necessary permissions to function correctly. This typically involves creating an authorized service token which provides the app with the permissions to access and manage the QRadar environment.
NEW QUESTION # 64
A Security Analyst was asked to search for an offense on a specific day. The requester was not sore of the time frame, but had Source Host information to use as well as networks involved, Destination IP and username.
Which fitters can the Security Analyst use to search for the information requested?
- A. Offense ID, Source IP, Username
- B. Magnitude, Source IP, Destination IP
- C. Description, Destination IP. Host Name
- D. Specific Interval, Username, Destination IP
Answer: D
NEW QUESTION # 65
What is the benefit of using default indexed properties for searching in QRadar?
- A. It returns fewer results than non-indexed properties.
- B. It improves the speed of searches.
- C. It increases the amount of data required to be searched.
- D. It reduces the number of indexed search values.
Answer: B
Explanation:
* Indexing Principle: QRadar creates indexes on default properties to quickly locate data matching your queries.
* Lookup vs. Scan: Instead of scanning all raw data, QRadar utilizes the index like a 'phonebook' for
* targeted lookups.
* Optimization: Searching using indexed properties dramatically decreases the amount of data QRadar needs to process.
NEW QUESTION # 66
When searching for all events related to "Login Failure", which parameter should a security analyst use to filter the events?
- A. Event Collector
- B. Event Name
- C. Anomaly Detection Event
- D. Event Asset Name
Answer: B
Explanation:
When searching for all events related to "Login Failure," a security analyst should use the Event Name parameter to filter the events. This allows the analyst to specifically target events with descriptions such as "Database Login Failure," which indicates that a database login attempt failed.
NEW QUESTION # 67
What process is used to perform an IP address X-Force Exchange Lookup in QRadar?
- A. Copy the IP address and go to X-Force Exchange to perform the lookup
- B. Run Autoupdate
- C. Run a query on maxmind db
- D. Offense summary tab > right-click IP address > Plugin Option > X-Force Exchange Lookup
Answer: D
Explanation:
To perform an IP address X-Force Exchange Lookup in QRadar, you can follow these steps2:
Select the Log Activity or the Network Activity tab.
Right-click the IP address that you want to view in X-Force Exchange.
Select More Options > Plugin Options > X-Force Exchange Lookup to open the X-Force Exchange interface2.
The procedure to perform an IP address X-Force Exchange Lookup in QRadar involves selecting either the Log Activity or the Network Activity tab, right-clicking the IP address of interest, and then navigating through More Options > Plugin Options > X-Force Exchange Lookup to access the X-Force Exchange interface.
NEW QUESTION # 68
In QRadar. what do event rules test against?
- A. Incoming flow data that is processed by the QRadar Flow Processor
- B. Event and flow data
- C. Incoming log source data that is processed in real time by the QRadar Event Processor
- D. The parameters of an offense to trigger more responses
Answer: C
Explanation:
Event rules in QRadar test against incoming log source data processed in real time by the QRadar Event Processor. This real-time processing enables QRadar to analyze and respond to security events as they occur, enhancing the system's ability to detect and mitigate threats promptly.
NEW QUESTION # 69
Which IBM X-Force Exchange feature could be used to query QRadar to see if any of the lOCs were detected for COVID-19 activities?
- A. STIX Bundle
- B. Threat Intelligence ATP
- C. Ami Affected
- D. TAXI I automatic updates
Answer: C
Explanation:
Here's why "Am I Affected" is the most suitable answer among the given options:
* Am I Affected (AIA):The "Am I Affected" feature on the IBM X-Force Exchange is designed specifically to help you determine if your systems have observed Indicators of Compromise (IOCs) related to a specific threat or campaign.
* COVID-19 IOCs: If you have a set of IOCs (e.g., IP addresses, domain names, file hashes) associated with COVID-19-themed attacks, you can use the AIA feature to query QRadar and see if any were detected within your network.
* Reasons Why Other Options Are Less Ideal:
* TAXII Automatic Updates: This focuses on automatically pulling threat intelligence feeds into QRadar, not retrospective searches for past IOC presence.
* STIX Bundle: A STIX bundle is a structured way to represent threat intelligence.expand_more It wouldn't directly tell you if those indicators have been seen in your QRadar data.
* Threat Intelligence ATP: This likely refers to a broader threat intelligence platform, not a specific X-Force Exchange feature for checking QRadar data.
NEW QUESTION # 70
A QRadar analyst is using the Log Activity screen to investigate the events that triggered an offense.
How can the analyst differentiate events that are associated with an offense?
- A. Partially matched events are not indexed
- B. Fully matched events are not indexed
- C. A red star icon in the first column of event list indicates a fully-matched event
- D. Separate columns named 'Paritally matched' and 'Fully matched' are populated
Answer: C
Explanation:
* QRadar uses a red star icon to visually identify events that directly contributed to triggering an offense.
These events fully matched all the criteria specified in the rule that generated the offense.
* Partially matched events may also be associated with the offense (especially for rules using match counts), but they won't have the red star. These events are still valuable for providing context during investigations.
NEW QUESTION # 71
When an analyst is investigating an offense, what is the property that specifies the device that attempts to breach the security of a component on the network?
- A. Port
- B. Network
- C. Source IP
- D. Destination IP
Answer: C
Explanation:
* Network Attacks: In security investigations, the Source IP typically represents the attacking device. It's the origin of the malicious activity.
* Offense Data: QRadar offenses gather information about the incident, including the Source IP as a crucial property.
NEW QUESTION # 72
Which flow fields should be used to determine how long a session has been active on a network?
- A. Last packet time and storage time
- B. Start time and storage time
- C. Start time and last packet time
- D. Start time and end time
Answer: C
NEW QUESTION # 73
What type of rules will test events or flows for volume changes that occur in regular patterns to detect outliers?
- A. Threshold rules
- B. Behavioral rules
- C. Custom rules
- D. Anomaly rules
Answer: D
Explanation:
* Anomaly Detection Focus: Anomaly rules specialize in identifying deviations from established baselines or normal patterns.
* Outlier Identification: Outliers are often the result of unusual volume changes, which anomaly rules are suited to detect.
* Other Rule Types (less ideal):
* Behavioral: Broader focus on activity patterns, not just volume.
* Custom: Can be built for this, but anomaly rules have it as core functionality.
* Threshold: Trigger based on specific values, less dynamic than anomaly rules.
NEW QUESTION # 74
An analyst must create a reference set collection containing the IPv6 addresses of command-and-control servers in an IBM X-Force Exchange collection in order to write a rule to detect any enterprise traffic with those malicious IP addresses.
What value type should the analyst select for the reference set?
- A. AlphaNumeric (Ignore Case)
- B. IPv6
- C. IP
- D. IPv4 or IPv6
Answer: B
Explanation:
* Specificity: The question states that the addresses are specifically IPv6-formatted. Using the 'IPv6' type ensures precision in the reference set.
* IP Matching by QRadar: QRadar's rule engine will properly match against IPv6 addresses when the reference set type is 'IPv6'.
NEW QUESTION # 75
How does a QRadar analyst get to more information about a MITRE entry in the Use Case Manager?
- A. Use the Threat Intelligence app
- B. Hover over the entry and read the tooltip
- C. Click the Tactic's Explore icon to reveal and open the MITRE web page
- D. Highlight the entry and click the help button
Answer: C
Explanation:
In IBM Security QRadar SIEM V7.5, the integration with MITRE ATT&CK framework is a valuable feature that enhances the understanding of threat tactics and techniques. The Use Case Manager within QRadar provides detailed insights into various MITRE ATT&CK tactics and techniques associated with different offenses or alerts. To get more information about a specific MITRE entry, users can click on the Tactic's Explore icon associated with the entry. This action opens the corresponding page on the MITRE ATT&CK website, providing detailed information about the tactic or technique, including its description, examples of use, and mitigation strategies. This direct link to the MITRE ATT&CK website enriches the user's knowledge and aids in the analysis of security incidents, making it easier to understand the context and implications of specific attack behaviors observed in the monitored environment.
NEW QUESTION # 76
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