Free Practice Questions for SAP C_DBADM_2404 Exam

By default, SAP HANA Cloud, SAP HANA database backups are retained for two weeks. This standard retention period is designed to balance storage utilization with adequate recovery options, ensuring that backups are available for a sufficient duration to address potential data recovery needs while managing storage costs effectively.

References=The default backup retention policy for SAP HANA Cloud is specified in the SAP HANA Cloud administration guide, which outlines the management and configuration of database backups.

Backup and Recovery

To analyze performance issues in SAP HANA systems, especially in environments where third-party software installations are restricted, activating the Kernel profiler trace is the most effective approach. The Kernel profiler provides detailed insights into the database operations at a low level, capturing performance data about database procedures and commands. This trace is invaluable for understanding the performance characteristics of SAP HANA operations and identifying bottlenecks without the need for additional software layers.References= SAP HANA performance monitoring and tuning documentation.

Monitoring and Troubleshooting

Holding the object privilege "ALL PRIVILEGES" in SAP HANA provides a user with the ability to perform all available actions on specified database objects. Specifically:

Functions: Users can create, execute, alter, and drop functions within the database, allowing for complex operations and calculations to be encapsulated within callable routines.

Procedures: These are sets of SQL statements grouped into logical units and stored in the database. With "ALL PRIVILEGES", a user can create, execute, modify, and delete stored procedures.

References=This information aligns with SAP HANA security model guidelines which discuss object privileges and their impact on database objects such as functions and procedures.

User Management

The SAP HANA Cloud, SAP HANA database runs in SAP BTP within the "SAP HANA Cloud Central." This is the central management hub for SAP HANA Cloud instances, providing tools and interfaces for configuration, monitoring, and administration of database resources on the SAP Business Technology Platform.References= SAP BTP documentation and SAP HANA Cloud guides, which describe the integration and management of SAP HANA within the broader SAP cloud ecosystem.

SAP HANA Architecture

In SAP HANA Cloud, three main types of privileges are commonly used to control access and manage database operations: Analytic, System, and Object privileges.

Analytic Privileges: These define which data a user can access in analytical views. They are particularly relevant in scenarios where data access needs to be restricted based on business roles or other criteria.

System Privileges: These are required to perform administrative tasks such as creating schemas, users, or executing backup and recovery operations. System privileges control high-level administrative operations that affect the entire database system.

Object Privileges: These are granted on specific database objects like tables, views, or stored procedures. Object privileges determine what actions a user can perform on a database object, such as SELECT, INSERT, UPDATE, or DELETE operations.

References=The above explanation is consistent with the standard practices and definitions as described in the SAP HANA documentation and training materials, including security guides and SAP Help Portal on privilege management in SAP HANA.

User Management

The default single sign-on method when usinghdbsql, the command line interface for SAP HANA, is Kerberos based. This method leverages the Kerberos protocol to authenticate users without transmitting passwords, enhancing the security of connections especially in enterprise environments where Kerberos is commonly used as part of the security infrastructure.References= SAP HANA Administration and Security documentation, which discusses authentication mechanisms supported by SAP HANA including the use of Kerberos for single sign-on.

Database Security

Provisioning SAP HANA

When using the resident HDBLCM tool as the root user, the following actions can be exclusively selected:

rename_system: Allows the root user to rename the SAP HANA system.

unregister_system: Permits the root user to unregister the system from the SAP HANA landscape.

References=The SAP HANA lifecycle management guide details the permissions and capabilities of the HDBLCM tool, especially when executed by the root user, outlining actions such as system renaming and unregistering.

SAP HANA supports the following cryptographic libraries:A. CommonCryptoLib, which is SAP’s own cryptographic library, tailored specifically for integration with SAP HANA and optimized for performance on SAP hardware.C. OpenSSL, a widely used library that supports a variety of cryptographic operations necessary for secure communications and data protection within SAP HANA environments.Libgcrypt and LibreSSL are not standard cryptographic libraries supported or recommended for use within SAP HANA environments, as they do not align with the tailored optimizations and integrations provided by SAP’s own cryptographic solutions or the widely adopted OpenSSL.References= SAP HANA security documentation that outlines supported cryptographic solutions for securing data at rest and in transit.

SAP HANA Architecture

For a tailored data center integration (TDI) installation of a productive SAP HANA database system, it is essential to size the following hardware KPIs:A. DRAM required for the static data memory area, as it determines the amount of main memory needed to hold the active dataset of the SAP HANA database in memory for fast processing.B. Total disk space required for the log volume, which is crucial for maintaining the log entries that record all transactions and database changes, necessary for recovery and durability.Persistent memory (PMEM) for backups and network bandwidth for the storage zone, while important in their own right, are not directly related to initial sizing criteria for DRAM and disk space as per SAP HANA TDI guidelines.References= SAP HANA Tailored Datacenter Integration (TDI) guide which includes details on sizing and planning infrastructure for deploying SAP HANA.

SAP HANA Architecture