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| Section | Weight | Objectives |
|---|---|---|
| Data Management and Business IT | 10% | - IT infrastructure, continuity, and support - Databases and data storage concepts |
| Information Security | 15% | - Threats, vulnerabilities, and risks - Security controls: access, encryption, backups - Data protection and compliance basics |
| Software and Operating Systems | 20% | - File management, installation, and updates - OS fundamentals: Windows, macOS, Linux - Types of software: system vs application |
| Computer Hardware | 20% | - Core components: CPU, memory, storage - Input/output devices and peripherals - System architecture and performance factors |
| Networking Concepts | 20% | - Network types, topologies, and protocols - Internet, cloud, and remote access technologies - TCP/IP, IP addressing, and connectivity |
| Introduction to IT as a Discipline | 15% | - IT roles and career paths - Ethics and professional responsibilities in IT - IT department functions and business support |
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NEW QUESTION # 58
Which of the following takes requests from the application and translates it into the needed query for the database?
Answer: C
Explanation:
1.Database Driver Definition: A database driver is a software component that facilitates communication between an application and a specific DBMS. It acts as an intermediary, allowing the application to send commands, perform queries, and retrieve data from the database in a standardized way.
2.Translation Process: When an application sends a request (such as an SQL query) to the database, the database driver intercepts it. It then translates the request into a format compatible with the DBMS. This ensures that the database can process the query correctly.
3.Supported Protocols: Different database drivers use specific connectivity protocols, such as JDBC, ODBC, or ADO.NET. These protocols define how the driver communicates with the database.
4.Features of Database Drivers:
oEstablishing a Connection: The driver establishes a connection to the database, allowing the application to interact with it.
oExecuting Queries: It handles the execution of queries (e.g., SELECT, INSERT, UPDATE) on behalf of the application.
oFetching Results: The driver retrieves query results and provides them to the application.
oManaging Transactions: It supports transaction management (commit, rollback) to ensure data consistency.
oParameter Binding: The driver handles parameter binding for prepared statements.
oError Handling: It manages errors and exceptions related to database interactions.
5.Additional Functionality: Some drivers offer advanced features like connection pooling, data caching, and query optimization to enhance performance and scalability.
6.Examples of Database Drivers:
oJDBC (Java Database Connectivity): Used for Java applications.
oODBC (Open Database Connectivity): A widely used standard for Windows-based applications.
oADO.NET: Used in Microsoft .NET applications.
References 6. What Is a Database Driver and How Does It Work? 7. Database Drivers: How Do They Work?
NEW QUESTION # 59
Which criterion is used to assess off-site storage solutions?
Answer: D
Explanation:
Security is a primary criterion used to assess off-site storage solutions because stored backups must be protected against unauthorized access, theft, tampering, and data leakage. In Information Technology disaster recovery and business continuity planning, off-site backups often contain sensitive business records, customer information, and proprietary data. Therefore, evaluation typically includes physical security controls such as guarded facilities, access logs, surveillance, and secure transport, as well as logical security controls such as encryption, key management, and strong authentication. While redundancy and capacity can matter, security is often treated as a non-negotiable requirement because a backup that is exposed or altered can create major legal, financial, and operational risks. Device media refers to the type of storage, such as tape or disk, but it is usually considered a design choice rather than the main assessment criterion. Security also supports compliance requirements and helps ensure data integrity, so restored systems can be trusted. Therefore, the correct criterion for assessing off-site storage solutions is security.
NEW QUESTION # 60
Which image represents the basic structure of a computer network?
Answer: D
Explanation:
the basic structure of a computer network is the one depicting cloud computing. In this image, a blue cloud labeled "Cloud" is connected to four different types of devices: a desktop computer, tablet, phone, and laptop.
Each device has an icon representing its type, and all devices are connected to the cloud, symbolizing data access and storage on the cloud.
NEW QUESTION # 61
What is the goal in improving uptime?
Answer: B
Explanation:
The goal of improving uptime is increasing the portion of time for which systems are operational. In Information Technology operations and service management, uptime measures availability, meaning how consistently an information system is running and accessible when users need it. High uptime is critical for business continuity, customer satisfaction, and meeting service level agreements. Improving uptime involves reducing both planned downtime, such as maintenance windows, and unplanned downtime, such as hardware failures, software crashes, network outages, or cyberattacks. Common strategies include redundancy, failover clustering, monitoring and alerting, preventative maintenance, patch management, and resilient infrastructure design. Increasing time between maintenance events can contribute indirectly, but it is not the definition of uptime improvement. Faster startup processes may reduce downtime duration during restarts, but it is only one factor. Increasing the interval between backups could actually increase risk and does not improve availability. Since uptime is fundamentally the percentage of time systems remain available and functioning, the correct objective is to increase the portion of time the systems are operational. Therefore, the correct answer is option D.
NEW QUESTION # 62
How does high-level programming language differ from low-level language?
Answer: D
NEW QUESTION # 63
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