When configuring a log source, which protocols are used when receiving data into the event ingress
component?
B
Explanation:
When configuring a log source in IBM QRadar SIEM V7.5, the protocols used to receive data into the
event ingress component are critical for ensuring proper data collection and analysis. The main
protocols that are supported for this purpose are:
Syslog: A widely used protocol for message logging, supported by many network devices and servers.
HTTP Receiver: Allows QRadar to receive logs via HTTP POST requests, enabling integration with
various web services and applications.
SNMP (Simple Network Management Protocol): Used for collecting and organizing information about
managed devices on IP networks and for modifying that information to change device behavior.
Reference
IBM QRadar SIEM documentation and product guides confirm that these are the supported protocols
for receiving data into the event ingress component. The specific details on protocol support can be
found in the QRadar SIEM administration and configuration manuals.
Which User Management option manages the QRadar functions that the user can access?
A
Explanation:
In IBM QRadar SIEM V7.5, managing what functions a user can access is crucial for maintaining
security and ensuring that users have appropriate permissions. The Security Profile option is used to
manage these access controls. Here’s how it works:
Security Profile: Defines the specific permissions and roles assigned to users, dictating what actions
they can perform within QRadar. This includes access to various modules, dashboards, and
functionalities.
User Role: While related, user roles are more about grouping users with similar permissions rather
than defining individual access.
Admin Role: Typically reserved for users with administrative privileges but does not manage the
specific functions users can access.
Security Options: This is not a relevant option for managing user access to QRadar functions.
Reference
IBM QRadar SIEM V7.5 documentation details how security profiles are configured and managed,
providing comprehensive steps on assigning and modifying user access based on roles and profiles.
Which is a benefit of a lazy search?
A
Explanation:
A lazy search in IBM QRadar SIEM V7.5 is designed to optimize the performance of search queries by
limiting the amount of data retrieved and processed at any given time. This is particularly beneficial
in environments with large datasets. Here’s a detailed explanation:
Limited Results: Lazy searches limit the search results to a specific range, allowing users to get
manageable chunks of data without overwhelming the system.
Performance Optimization: By reducing the amount of data processed in a single search, lazy
searches improve query performance and reduce resource usage.
Incremental Data Retrieval: Users can incrementally retrieve more data as needed, making it easier
to handle and analyze large datasets without performance degradation.
Reference
The functionality and benefits of lazy searches are detailed in the IBM QRadar SIEM V7.5 user guides,
which explain how to configure and use lazy searches for efficient data retrieval and analysis.
Which profile database does the Server Discovery function use to discover several types of servers on
a network?
D
Explanation:
The Server Discovery function in IBM QRadar SIEM V7.5 uses the Asset Profile Database to discover
various types of servers on a network. This database stores detailed information about the assets,
including server types, configurations, and roles within the network. Here’s how it works:
Asset Profile Database: This is the central repository that contains all the discovered asset
information.
Discovery Process: During the discovery process, QRadar scans the network to identify servers and
other devices, collecting information such as IP addresses, open ports, services, and operating
systems.
Classification: The collected data is then analyzed and classified, updating the Asset Profile Database
with the types of servers discovered.
Reference
IBM QRadar SIEM documentation specifies the use of the Asset Profile Database for server discovery
functionalities and provides details on configuring and managing asset profiles.
Which command does an administrator run in QRadar to get a list of installed applications and their
App-ID values output to the screen?
A
Explanation:
To get a list of installed applications and their App-ID values in IBM QRadar SIEM, the administrator
can run the following command:
Command: /opt/qradar/support/deployment_info.sh
Function: This command outputs detailed information about the current deployment, including a list
of all installed applications and their associated App-ID values.
Usage: The administrator executes this command in the terminal, and the information is displayed
on the screen.
Reference
IBM QRadar SIEM V7.5 administration guides include this command as a standard tool for retrieving
deployment information, including details about installed applications and their IDs.
From which two (2) resources can an administrator download QRadar security content?
A, E
Explanation:
Administrators can download QRadar security content from the following two resources:
QRadar Application Repository: This repository contains a wide range of applications, rules, reports,
and other content specifically designed for QRadar.
IBM Security App Exchange: A platform where users can find and download security applications,
including those for QRadar. It offers a variety of tools to extend and enhance the functionality of
QRadar SIEM.
These resources provide curated and validated security content, ensuring that administrators have
access to the latest and most effective tools for their security needs.
Reference
IBM QRadar documentation and support resources detail the QRadar Application Repository and IBM
Security App Exchange as primary sources for downloading and updating QRadar security content.
Which authentication type in QRadar encrypts the username and password and forwards the
username and password to the external server for authentication?
C
Explanation:
TACACS (Terminal Access Controller Access-Control System) authentication is a protocol used in IBM
QRadar SIEM V7.5 for authenticating users by forwarding their credentials to an external server.
Here’s how it works:
Encryption: TACACS encrypts the entire payload of the authentication packet, including the
username and password, ensuring secure transmission.
Forwarding Credentials: After encryption, the credentials are forwarded to an external TACACS
server, which performs the actual authentication.
Authentication Process: The external server checks the credentials against its database and sends a
response back to QRadar indicating whether the authentication is successful or not.
Reference
IBM QRadar SIEM documentation explains TACACS authentication in detail, highlighting its secure
encryption and external server verification process.
In which QRadar section can the administrator view the license giveback rate?
C
Explanation:
In IBM QRadar SIEM V7.5, the license giveback rate can be viewed in the License Pool Management
section. Here’s the step-by-step process:
Access Admin Tab: The administrator needs to navigate to the Admin tab in the QRadar GUI.
License Pool Management: Under the Admin tab, there is an option for License Pool Management.
View License Giveback Rate: Within the License Pool Management section, the administrator can
view details about license usage, including the giveback rate.
Reference
The QRadar SIEM administration guide provides detailed steps on accessing and managing license
information, including the giveback rate, under the Admin tab.
In the QRadar GUI. you notice that no new offenses were generated today. A review of the
notifications shows:
MPC: Unable to create new offense. The maximum number of active offenses has been reached.
What is the default value of the maximum number?
D
Explanation:
In IBM QRadar SIEM V7.5, the default value for the maximum number of active offenses is set to
2500. This limit is in place to manage system performance and ensure efficient processing of security
incidents. Here’s the detailed information:
Default Setting: The default setting for the maximum number of active offenses is 2500.
Impact: If this limit is reached, QRadar will not generate new offenses until some of the existing
offenses are closed or archived.
Configuration: Administrators can adjust this setting based on their organizational needs, but the
default value is 2500.
Reference
This information is detailed in the QRadar SIEM configuration and tuning guides, which specify
default settings and provide instructions for modifying the maximum number of active offenses if
necessary.
What Iwo things are required for an administrator to deobfuscate data in QRadar?
B
Explanation:
In IBM QRadar SIEM V7.5, to deobfuscate data, an administrator requires two critical components:
Private Key: This key is used to decrypt the data that was originally obfuscated. The private key must
match the public key used during the obfuscation process.
Password for the Private Key: This password is necessary to unlock the private key, allowing the
decryption process to proceed.
The process involves using the private key in conjunction with its password to reverse the
obfuscation, ensuring that the data is securely accessed only by authorized personnel.
Reference
The requirement for the private key and its password for deobfuscating data is detailed in the IBM
QRadar SIEM administration and security guides, ensuring that the process adheres to best practices
for data security.
Which two (2) pieces of information from the MaxMind account must be included in QRadar for
geographic data updates?
B, C
Explanation:
To include geographic data updates from MaxMind in IBM QRadar SIEM V7.5, the following two
pieces of information from the MaxMind account are required:
API Key: This key is used to authenticate and authorize access to the MaxMind services, ensuring that
QRadar can request and receive geographic data updates.
License Key: This key is associated with the MaxMind account and allows QRadar to utilize the
licensed geographic data for enhanced location-based analysis.
These keys ensure that the data integration is secure and that the usage complies with MaxMind's
licensing agreements.
Reference
IBM QRadar SIEM documentation specifies the API key and license key as necessary credentials for
integrating MaxMind geographic data, detailed in the setup and configuration sections.
To detect outliers, which Anomaly Detection Engine rule tests events or flows for volume changes
that occur in regular patterns?
C
Explanation:
In IBM QRadar SIEM V7.5, Anomaly Detection Engine rules that test events or flows for volume
changes occurring in regular patterns are known as Anomaly Rules. Here’s how they function:
Detection: Anomaly rules are designed to identify deviations from normal behavior by analyzing
patterns in the data.
Volume Changes: These rules specifically look for unusual increases or decreases in event or flow
volumes that might indicate potential security incidents.
Regular Patterns: By understanding regular patterns in network traffic and event logs, anomaly rules
can highlight significant outliers that warrant further investigation.
Reference
The functionality and configuration of anomaly rules are covered extensively in the IBM QRadar SIEM
administration guide, providing administrators with the tools to effectively detect and respond to
abnormal network activities.
What is the default day and time setting for when QRadar generates weekly reports?
A
Explanation:
In IBM QRadar SIEM V7.5, the default setting for generating weekly reports is configured to occur on:
Day: Sunday
Time: 01:00 AM
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.
When creating an identity exclusion search, what time range do you select?
B
Explanation:
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.
A QRadar administrator needs to quickly check the disk space for all managed hosts. Which
command does the administrator use?
C
Explanation:
To quickly check the disk space for all managed hosts in IBM QRadar SIEM V7.5, the administrator
uses the following command:
Command: /opt/qradar/support/all_servers.sh -C -k 'df -Th'
Function: This command checks the disk space across all managed hosts, providing detailed
information about the filesystem types and disk usage.
Parameters:
-C: Executes the command on all managed hosts.
-k: Keeps the output in a human-readable format.
'df -Th': The specific command to display the disk space usage in a tabular format with human-
readable file sizes.
Reference
The IBM QRadar SIEM documentation provides a comprehensive list of commands for system
administration, including those for checking disk space on managed hosts.