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DAMA DQ-1220 Exam is considered a highly respected certification in the field of data quality management. It is recognized globally and demonstrates a high level of expertise in the area of data quality. DQ-1220 exam consists of 100 multiple choice questions and is timed at 2 hours. It requires a passing score of 70% or higher. Upon passing the exam, participants receive a certificate that can help to advance their careers and increase their earning potential. Overall, the DAMA DQ-1220 Exam is an excellent opportunity for professionals to demonstrate their knowledge and expertise in the field of data quality management.
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The DAMA DQ-1220 exam is administered by DAMA International, which is a non-profit organization that promotes the development and advancement of data management professionals. DAMA International has established a set of standards and guidelines for data management, and the DQ-1220 Exam is aligned with these standards. Candidates who pass the exam can be confident that they have the knowledge and skills necessary to meet the high standards set by DAMA International.
NEW QUESTION # 33
Three source systems provide different telephone numbers for the same customer. An MDM hub selects one number according to approved source-priority rules. This is an example of:
Answer: C
Explanation:
The process is Survivorship. In Master Data Management, survivorship determines which value should become the preferred or authoritative representation when multiple source records contain conflicting values for the same attribute.
Rules may prioritize particular systems, use recency, trust scores, verification status, completeness, or combinations of factors. For example, a verified customer-service update might outrank an older marketing- system telephone number.
Survivorship occurs after or in conjunction with matching and entity resolution. The organization first determines that records from different sources represent the same real-world customer and then determines which attribute values should populate the mastered representation.
The process requires governance because the "best" value is a business decision, not merely a technical one.
Data Stewards should approve the rules, and metadata should record source priority, rule logic, and lineage.
DAMA's framework positions Reference and Master Data Management as the discipline responsible for ensuring consistent core entities across the organization.
Reference Topics: DAMA-DMBOK2 Chapter 10 - Master Data Management; Matching; Survivorship; Authoritative Values; Chapter 13 - Consistency and Accuracy.
NEW QUESTION # 34
The need to manage data movement efficiently is a primary driver for:
Answer: C
Explanation:
The need to manage data movement efficiently is a primary business driver for Data Integration and Interoperability (DII). DAMA-DMBOK2 states this directly. Modern organizations operate hundreds or thousands of databases, applications, files, services, data stores, external interfaces, and analytical platforms.
Data must continually move among these environments, often across organizational boundaries.
Without disciplined integration management, data movement becomes fragmented, expensive, difficult to monitor, and highly dependent on duplicated point-to-point interfaces. DII addresses this problem by establishing controlled mechanisms for extraction, transformation, messaging, replication, orchestration, APIs, data virtualization, and other forms of information exchange.
From a Data Quality perspective, every movement of data presents an opportunity either to preserve quality or to damage it. Source-to-target mappings must maintain semantic meaning, transformations must be controlled, reference values must remain consistent, and lineage must show how values were altered.
Metadata Management therefore records mappings, interface definitions, transformation rules, and lineage.
Master Data Management uses integration mechanisms to distribute governed master and reference data consistently between systems.
Data Warehousing is a major consumer of integration capabilities, but the broader discipline whose explicit driver is efficient movement across systems is Data Integration and Interoperability.
Reference Topics: DAMA-DMBOK2 Chapter 8 - Business Drivers; Data Integration and Interoperability; Data Movement; Chapter 13 - Consistency, Integrity and Transformation Quality.
NEW QUESTION # 35
In data security, which of the following is not one of the four A's:
Answer: A
Explanation:
Agile is not one of the four A's of Data Security. DAMA security guidance groups core security processes around Access, Audit, Authentication, and Authorization. These capabilities collectively control who can interact with information resources, establish identity, determine permitted actions, and provide evidence of activity for monitoring and accountability. DAMA-aligned security references identify these four concepts directly.
Authentication confirms the identity of a user or system. Authorization determines what an authenticated identity is permitted to do. Access concerns the actual ability to obtain or interact with data and services.
Audit provides traceability by recording and reviewing relevant activities.
Agile, by contrast, is an approach to iterative delivery and project or product development. It may influence how security controls are implemented within development lifecycles, but it is not itself one of the foundational security-control categories identified in this model.
Data Security and Data Quality are separate but related disciplines. Unauthorized modifications can compromise accuracy and integrity, while weak auditability can prevent organizations from identifying how data was altered. Appropriate security controls therefore help preserve the reliability of governed information.
Metadata classification also supports these controls by identifying sensitive data and linking it to access and protection requirements.
Reference Topics: DAMA-DMBOK2 Chapter 7 - Data Security; Access; Authentication; Authorization; Audit; Data Governance; Chapter 13 - Integrity and Controlled Data Modification.
NEW QUESTION # 36
A DMZ is bordered by 2 firewalls. These are between the DMZ and the:
Answer: D
Explanation:
A Demilitarized Zone (DMZ) is a controlled network segment positioned between an organization's trusted internal environment and an external, untrusted environment such as the Internet. In the classic architecture described in DAMA-DMBOK2, the DMZ is separated from the Internet by an external firewall and from internal organizational systems by another firewall. Therefore, the correct answer is Internet and internal systems.
DMBOK2 describes the DMZ as an area on the organization's perimeter, with firewall protection separating it from the organization and firewall protection between the DMZ and the Internet. It is commonly used for services or transient data exchanges that must interact with external parties without providing direct access to internal systems.
This arrangement implements defense in depth. Public-facing services can operate in the DMZ while internal databases and sensitive systems remain behind an additional security boundary. A compromise of a DMZ host should therefore not automatically expose the internal network.
For Data Quality, security architecture is relevant because unauthorized modification or corruption can compromise integrity and accuracy. Protecting interfaces and repositories supports trustworthy data processing as well as confidentiality and availability.
Reference Topics: DAMA-DMBOK2 Chapter 7 - Data Security; Network Security; Perimeter; DMZ; Firewalls; Integrity Protection.
NEW QUESTION # 37
An address-validation service reports that 96% of customer addresses conform to an approved postal format.
What does this metric demonstrate most directly?
Answer: C
Explanation:
The metric demonstrates Validity because it measures whether address values conform to a defined format or standard.
Validity checks whether data satisfies specified rules concerning datatype, pattern, permitted values, ranges, or structures. Postal formatting rules might require approved postcode structure, valid country-code syntax, or required address components.
The metric does not prove that the address belongs to the correct customer. A perfectly formatted address may still be factually wrong. That would be an Accuracy problem.
DAMA-aligned government guidance defines validity in terms of conformity to expected format, type, range, and other predefined rules.
A mature address-quality program may combine validity with verification against authoritative postal reference data, duplication checks, completeness rules, and currency monitoring.
Quality scorecards should therefore label the metric precisely rather than calling the result a generic "accuracy score." Reference Topics: DAMA-DMBOK2 Chapter 13 - Validity; Accuracy; Data Quality Metrics; Address Quality; Reference Data.
NEW QUESTION # 38
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