PDF Download Free of C1000-156 Valid Practice Test Questions [Q24-Q39]

Share

PDF Download Free of C1000-156 Valid Practice Test Questions

C1000-156 Test Engine files, C1000-156 Dumps PDF


IBM Security QRadar SIEM V7.5 Administration exam is a comprehensive exam that covers a wide range of topics related to QRadar SIEM administration. Some of the topics that are covered in the exam include QRadar SIEM architecture, installation and configuration, event and flow processing, log source management, and rule creation and management. To pass the exam, you must have a deep understanding of these topics and be able to apply your knowledge to real-world scenarios.

 

NEW QUESTION # 24
A user reports that some data points are missing from a generated report. The logs show these notifications, which are determined to be the root cause of the problem:
The accumulator was unable to aggregate all events/flows for this interval.
In what timeframe does this system need to complete data aggregation for it to be deemed successful?

  • A. 120 seconds
  • B. 5 seconds
  • C. 60 seconds
  • D. 30 seconds

Answer: C

Explanation:
In IBM QRadar SIEM V7.5, the accumulator process must complete data aggregation within a specific timeframe to be deemed successful:
Timeframe: 60 seconds
Aggregation Process: The accumulator aggregates events and flows for reporting and analysis. If it cannot complete this task within 60 seconds, it is considered unsuccessful.
Impact: Failure to aggregate within the specified timeframe can result in missing data points in reports and dashboards, affecting the accuracy and completeness of the information presented.
Reference
The QRadar SIEM administration guides detail the accumulator process and the importance of completing data aggregation within 60 seconds to ensure accurate reporting.


NEW QUESTION # 25
Which authentication type in QRadar encrypts the username and password and forwards the username and password to the external server for authentication?

  • A. RADIUS authentication
  • B. TACACS authentication
  • C. Two-factor authentication
  • D. System authentication

Answer: B

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.


NEW QUESTION # 26
Domain assignments lake precedence over the settings of which other elements from a security profile?

  • A. Permission Precedence. Networks, and Log Sources tabs
  • B. Security profiles, Networks, and Log Sources tabs
  • C. Permission Precedence, and Log Sources tabs
  • D. Security profiles. Networks, and Domains

Answer: A

Explanation:
In IBM QRadar SIEM, domain assignments take precedence over the settings of other elements from a security profile, specifically Permission Precedence, Networks, and Log Sources tabs. This hierarchical precedence ensures that the domain settings are enforced across different security configurations. The domain settings effectively override other configurations to maintain consistency and security across the environment. This structure helps in managing access and permissions more effectively by ensuring that the domain-level policies are the primary controlling factor.
Reference
QRadar SIEM V7.5 Administration Guide - Chapter on Domain Management and Security Profiles


NEW QUESTION # 27
Before configuring a WinCollect log source, which two ports does a QRadar administrator ensure are open?

  • A. 443 and 8413
  • B. 514 and 8413
  • C. 445 and 8413
  • D. 8080 and 8413

Answer: B


NEW QUESTION # 28
Which event advanced search query will check an IP address against the Spam X-Force category with a confidence greater than 3?

  • A. select * from flows where XFORCE_IP_CONFIDENCE{'Spam', sourceip)<3
  • B. select * from events where XFORCE_IP_CONFIDENCE( 'Spam', sourceip>>3
  • C. select * from events where XF0RCE_IP_C0NFIDENCE('Malware',sourceip)>3
  • D. select * from flows where XF0RCE_iP_C0NFiDEKCE{*Malware',sourceip)-3

Answer: C

Explanation:
To check an IP address against the Spam X-Force category with a confidence greater than 3 using an advanced search query in QRadar, the correct query format is:
Query Structure: select * from events where XF0RCE_IP_C0NFIDENCE('Malware',sourceip)>3 Components:
select * from events: This part of the query selects all events from the QRadar events database.
where XF0RCE_IP_C0NFIDENCE('Malware',sourceip)>3: This filter checks if the source IP address has a confidence level greater than 3 for being associated with malware according to the X-Force category.
This query is designed to filter out and display events where the source IP is identified with high confidence as being associated with malicious activity.
Reference
The syntax and usage of advanced search queries are detailed in the IBM QRadar SIEM search and analytics guides, providing specific examples for utilizing X-Force threat intelligence data.


NEW QUESTION # 29
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. opt/qradar/support/deployment_info.sh
  • B. /opt/qradar/support/recon connect 1005
  • C. /opt/qradar/support/recon ps
  • D. /opt/qradar/support/threadTop.sh

Answer: 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.


NEW QUESTION # 30
An administrator is evaluating domain criteria based on an event. The result of a regular expression that was defined in a custom property does not match a domain mapping, and the event was automatically assigned to the default domain.
What is the order of precedence if the event does not match the domain definition for custom properties?

  • A. DLS, Log source, Event collector or data gateway. Log source group
  • B. Log source. Log source group, App Hosts
  • C. DLC. Log source, Log source group, Event collector or data gateway
  • D. Log source, Log source group, Event collector or data gateway, DDS

Answer: D

Explanation:
In QRadar, when evaluating domain criteria based on an event, the precedence order for domain assignment if the event does not match the domain definition for custom properties is as follows:
Log Source: The first criterion checked is the log source. Each event is associated with a log source, and the domain is determined based on this source.
Log Source Group: If the log source does not provide a domain match, the next criterion is the log source group. Log sources can be grouped together, and domain definitions can be applied at the group level.
Event Collector or Data Gateway: If neither the log source nor the log source group provides a match, QRadar checks the event collector or data gateway for a domain definition.
DDS (Data Domain Service): As the final step, if no other criteria match, the DDS is used to assign the default domain.
This order of precedence ensures that the most specific criteria are checked first before falling back to more general criteria, ensuring accurate domain assignment for events.
Reference
IBM Security QRadar SIEM and IBM Security QRadar EDR integration.pdf


NEW QUESTION # 31
Which field is mandatory when you use the DSM Editor to map an event to a OID?

  • A. High-level Category
  • B. Event Category
  • C. Event ID
  • D. Low-level Category

Answer: C

Explanation:
When using the DSM (Device Support Module) Editor in IBM QRadar to map an event to an OID (Object Identifier), the Event ID field is mandatory. The Event ID uniquely identifies the event within QRadar and is essential for ensuring that the correct event data is associated with the appropriate OID. This mapping process allows QRadar to properly categorize and handle events based on their unique identifiers.
Reference
QRadar SIEM V7.5 Administration Guide - Chapter on DSM Editor and Event Mapping


NEW QUESTION # 32
Which two (2) data sources can be assigned to a domain in the Domain Management function?

  • A. Flow collectors
  • B. Log sources
  • C. Rules
  • D. Users
  • E. X-Force Integration Feed

Answer: A,B

Explanation:
In the Domain Management function of IBM QRadar SIEM, two key data sources that can be assigned to a domain are Flow Collectors and Log Sources. Flow collectors capture and analyze network flow data, while log sources refer to various devices and applications that send log data to QRadar for analysis. By assigning these data sources to a domain, administrators can segment and manage the data more effectively, ensuring that the correct flow and log data are processed and analyzed within the designated domain. This segmentation enhances security and performance by isolating data handling according to domain-specific policies.
Reference
QRadar SIEM V7.5 Administration Guide - Chapter on Domain Management and Data Source Assignment


NEW QUESTION # 33
An administrator receives a file with all the vital assets in the company and wants to import this file into QRadar. How must this import file be formatted?

  • A. CSV file in the format: IP address. Name, Weight. Description
  • B. XML file in the format: IP address. Name, Weight, Domain
  • C. JSON file in the format: IP address. Name, Weight, Domain
  • D. XLS file in the format: IP address, Name. Weight, Description

Answer: A

Explanation:
When importing vital asset information into IBM QRadar SIEM V7.5, the import file must be formatted as a CSV file with the following structure:
Format: CSV (Comma-Separated Values)
Fields: The required fields are IP address, Name, Weight, and Description.
IP address: The IP address of the asset.
Name: The name of the asset.
Weight: A numerical value representing the importance or criticality of the asset.
Description: A brief description of the asset.
This format ensures that QRadar can correctly parse and import the asset information, integrating it into its asset database for further analysis and correlation.
Reference
IBM QRadar SIEM documentation provides guidelines on the required CSV format for importing asset information, detailing the necessary fields and their order.


NEW QUESTION # 34
Which two (2) pieces of information from the MaxMind account must be included in QRadar for geographic data updates?

  • A. Account/User ID
  • B. API password
  • C. MaxMind username
  • D. API key
  • E. License Key

Answer: D,E

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.


NEW QUESTION # 35
What is the REST API interface to install and manage applications that are created by using the GUI Application Framework Software Development Kit?

  • A. /api/siem
  • B. /api/system
  • C. /api/data_classification
  • D. /api/gui_app_framework

Answer: D

Explanation:
The primary method used by IBM QRadar to install and manage applications created using the GUI Application Framework Software Development Kit (SDK) is through the REST API interface:
API Endpoint: /api/gui_app_framework
Functionality: This endpoint allows administrators to manage the lifecycle of applications, including installation, updates, and removal.
Integration: Provides seamless integration with the GUI Application Framework, enabling the development and deployment of custom applications within QRadar.
Reference
The IBM QRadar API documentation provides details on the /api/gui_app_framework endpoint and its usage for managing GUI applications.


NEW QUESTION # 36
What is the default day and time setting for when QRadar generates weekly reports?

  • A. Sunday 02:00 AM
  • B. Monday 02:00 AM
  • C. Monday 01:00 AM
  • D. Sunday 01:00 AM

Answer: D

Explanation:
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.


NEW QUESTION # 37
A QRadar administrator needs to quickly check the disk space for all managed hosts. Which command does the administrator use?

  • A. /opt/qradar/support/all_servers.sh -C -K 'watch Is'
  • B. /opt/qradar/support/all_servers.sh 'Is -ltrsh"
  • C. /opt/qradar/support/all_servers.sh "rra -rf /store'
  • D. /opt/qradar/support/all_servers.sh -C -k 'df -Th'

Answer: D

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.


NEW QUESTION # 38
On which managed hosts is QRadar event data stored in the Ariel database?

  • A. On the Event Processor and attached Data Node
  • B. On the Event Collector and attached Data Node
  • C. On the Data Gateway and attached Data Node
  • D. On the App Host and attached Data Node

Answer: A

Explanation:
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.


NEW QUESTION # 39
......

Pass Your IBM Security Systems C1000-156 Exam on Dec 27, 2024 with 64 Questions: https://www.prepawaypdf.com/IBM/C1000-156-practice-exam-dumps.html