IBM C1000-156 IBM Security QRadar SIEM V7.5 Administration Exam Practice Test

Answer : C

QRadar event data is stored in the Ariel database on the Event Processor and any attached Data Nodes. The Event Processor is responsible for processing incoming events, performing correlation, and storing the event data. The attached Data Nodes provide additional storage capacity and can be used to extend the storage available to the Event Processor.

Reference IBM QRadar SIEM V7.5 Administration documentation.

Answer : B

To ensure that a rule in IBM QRadar SIEM V7.5 does not send an email more than 10 times in a 24-hour period, the 'response limiter' can be used. Here's how it works:

Response Limiter: This feature limits the number of times a rule action (such as sending an email) can be executed within a specified timeframe.

Configuration: Set the response limiter to a maximum of 10 actions in 24 hours.

Implementation: Apply the response limiter to the rule, ensuring that even if the rule conditions are met multiple times, the email will only be sent up to the specified limit.

Reference IBM QRadar SIEM documentation on rule management and tuning includes detailed instructions on using the response limiter to control the frequency of rule actions.

Answer : B

When upgrading the IBM QRadar SIEM environment to patch a vulnerability, the recommended order for upgrading managed hosts is:

Console: Start by upgrading the Console, which is the central management point of the QRadar deployment.

Remaining Hosts: After the Console has been upgraded, proceed to upgrade the other managed hosts, including Event Processors, Flow Processors, and Data Nodes.

This order ensures that the management and coordination functionalities provided by the Console are updated first, minimizing the risk of compatibility issues during the upgrade process.

Reference IBM QRadar SIEM upgrade guides specify that the Console should be upgraded first, followed by the remaining managed hosts, to ensure a smooth and coordinated upgrade process.

Answer : A

The primary site for downloading software updates for IBM QRadar is IBM Fix Central. Here's how it works:

IBM Fix Central: A centralized platform for downloading fixes, updates, and patches for IBM software products.

Accessing Updates: Administrators can log in to IBM Fix Central, select QRadar from the list of products, and download the necessary updates.

Regular Updates: Keeping QRadar updated with the latest fixes and patches ensures optimal performance and security.

Reference IBM QRadar SIEM documentation and support resources direct users to IBM Fix Central for downloading and applying software updates.

Answer : C

To optimize event and flow payload searches for log data stored for up to a month, an administrator should configure the retention period for payload indexes. Here's the process:

Retention Period Configuration: Set the retention period for payload indexes to match the desired data storage duration (e.g., one month).

Improved Search Efficiency: By configuring the retention period appropriately, QRadar ensures that the indexed data is efficiently searchable, improving performance during searches.

Index Management: Regularly manage and clean up indexes to maintain optimal system performance and storage utilization.

Reference The IBM QRadar SIEM administration guides provide instructions on configuring retention periods for various types of indexes, including payload indexes, to optimize search performance.

Answer : B

When creating an identity exclusion search in IBM QRadar SIEM V7.5, the time range selected is 'Real time (streaming).' This setting ensures that the search continuously monitors and excludes identities in real-time as data is ingested. Here's the process:

Real-time Monitoring: Continuously updates the search results based on incoming data, providing immediate exclusion of specified identities.

Streaming Data: Processes data in a live stream, ensuring that the exclusion criteria are applied instantaneously as new events occur.

Reference The setup and configuration of identity exclusion searches are detailed in the QRadar SIEM administration guides, highlighting the importance of real-time streaming for effective identity management.

Answer : A

In IBM QRadar SIEM V7.5, the default setting for generating weekly reports is configured to occur on:

Day: Sunday

This setting ensures that the reports are generated during a typical low-activity period, minimizing the impact on system performance and ensuring that the latest data from the previous week is included.

Reference The default configuration for report generation times is specified in the IBM QRadar SIEM V7.5 administration and user documentation.