Get CompTIA DS0-001 Dumps Questions Study Exam Guide Sep 03, 2026 [Q63-Q87]

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Get CompTIA DS0-001 Dumps Questions Study Exam Guide Sep 03, 2026

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CompTIA DS0-001 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Database Deployment & Planning	19%	– Database Server Requirements – Database Clustering – Replication Strategies – Disaster Recovery Planning – Capacity Planning – High Availability Architecture
Topic 2: Database Implementation	22%	– Database Objects (Tables, Views, Indexes) – Stored Procedures and Functions – Data Import/Export – SQL DDL Statements – Triggers – Data Types and Constraints
Topic 3: Database Support, Maintenance & Optimization	20%	– Database Security (Users, Roles, Permissions) – Patch Management – Performance Monitoring – Query Optimization – Backup and Recovery Procedures – Index Management
Topic 4: Data Analytics & Engineering	19%	– Data Quality – Reporting Concepts – Data Visualization Basics – Data Warehousing Concepts – Data Governance – ETL Processes
Topic 5: Database Fundamentals	20%	– Database Design Principles – ACID Properties – CAP Theorem – Data Models (Relational, NoSQL, etc.) – Database Concepts and Architecture – Data Normalization

Q63. An automated script is using common passwords to gain access to a remote system. Which of the following attacks is being performed?

DoS

Brute-force

SQL injection

Phishing

Q64. A business analyst is using a client table and an invoice table to create a database view that shows clients who have not made purchases yet. Which of the following joins is most appropriate for the analyst to use to create this database view?

LEFT JOIN ON Client.Key = Invoice.Key

RIGHT JOIN ON Client.Key = Invoice.Key WHERE BY Client.Key IS NULL

LEFT JOIN ON Client.Key = Invoice.Key WHERE BY Invoice.Key IS NULL

INNER JOIN ON Client.Key = Invoice.Key

Q65. Which of the following database instances are created by default when SQL Server is installed? (Choose two.)

Root

Master

Log

Model

View

Index

Q66. Which of the following are the best resources for monitoring potential server issues? (Choose two.)

User connections

Firewall usage

Index usage

CPU usage

Query execution

Memory usage

Q67. (A shared folder can only be accessed by authorized users. Which of the following policies was applied in this scenario?)

Password policies

Rights and privileges

Service accounts

Firewall policy

The correct answer is B. Rights and privileges. CompTIA DataSys+ clearly distinguishes between different categories of security controls, and access to shared resources such as folders is governed primarily by authorization mechanisms, specifically rights and privileges. In this scenario, access is restricted so that only authorized users can view or modify the shared folder, which directly reflects the enforcement of permissions.
Rights and privileges define what actions an authenticated user is allowed to perform on a system or resource. For shared folders, this typically includes read, write, modify, or full control permissions assigned to users or groups. DataSys+ emphasizes the principle of least privilege, which ensures users are granted only the minimum level of access required to perform their job functions. Applying appropriate rights and privileges protects sensitive data from unauthorized access and accidental modification.
Option A, password policies, control how passwords are created and managed, such as complexity, expiration, and reuse rules. While password policies help verify a user’s identity during authentication, they do not determine which resources a user can access after logging in. Option C, service accounts, are specialized non-human accounts used by applications or services and are unrelated to user access to shared folders. Option D, firewall policy, controls network-level traffic and determines which connections are allowed or blocked between systems, not access to files or folders once a connection is established.
CompTIA DataSys+ materials emphasize that security is layered, with authentication confirming identity and authorization enforcing access. In this case, users are already authenticated, and the restriction applies at the resource level. That makes rights and privileges the relevant control.
Therefore, the policy applied to ensure only authorized users can access the shared folder is rights and privileges, making option B the correct and fully verified answer.

Q68. Following a security breach, a database administrator needs to ensure users cannot change data unless a request is approved by the management team. Which of the following principles addresses this issue?

Open access

Least resistance

Elevated privilege

Least privilege

Q69. A database administrator is creating a table, which will contain customer data, for an online business. Which of the following SQL syntaxes should the administrator use to create an object?

Q70. Which of the following is used to write SQL queries in various programming languages?

Indexing

Object-relational mapping

Excel

Normalization

Q71. A database administrator needs to ensure data that is being migrated from a company’s system to a third-party vendor is secure. Which of the following is the best security measure for the administrator to implement?

Server-side encryption

Data loss prevention

Data security audit

GDPR compliance

Q72. Which of the following describes the purpose of a snapshot?

To create a dynamic data replication

To create a synonym

To create a

To create an image of a database

Q73. Which of the following is the best way to migrate a large data load from one table to another, considering total time and blocking?

Split the load size into many transactions.

Split the load size in half and run simultaneously.

Batch into small loads and run in parallel.

Batch large loads into one transaction.

Q74. (Which of the following statements is TRUNCATE an example of?)

DDL statement

DCL statement

MCL statement

DML statement

Q75. A business analyst queries the same few tables every quarter and does not want to write new SQL code every time. Which of the following would best support the business analyst’s needs and allow the database administrator to optimize disk space?

Table

View

Function

Stored procedure

Q76. Which of the following best describes the policy/and or procedure that ensures records are kept in a database for a period of time and not deleted?

Data classification policy

Standard operating procedure

Data retention policy

Global regulation

Q77. Which of the following is the correct order of the steps in the database deployment process?
A)
1. Connect
2. Install
3. Configure
4. Confirm prerequisites
5. Validate
6. Test
7. Release
B)
1. Configure
2. Install
3. Connect
4. Test
5. Confirm prerequisites
6. Validate
7. Release
C)
1. Confirm prerequisites
2. Install
3. Configure
4. Connect
5. Test
6. Validate
7. Release
D)
1. Install
2. Configure
3. Confirm prerequisites
4. Connect
5. Test
6. Validate
7. Release

Option A

Option B

Option C

Option D

Q78. Which of the following is part of logical database infrastructure security?

Surveillance

Biometric access

Perimeter network

Cooling system

Q79. Which of the following best describes the function of a wildcard in the WHEREclause?

An exact match is not possible in a CREATEstatement.

An exact match is necessary in a SELECTstatement.

An exact match is not possible in a SELECTstatement.

An exact match is necessary in a CREATEstatement.

Q80. Which of the following cloud delivery models provides users with the highest level of flexibility regarding resource provisioning and administration?

DBaaS

IaaS

SaaS

PaaS

Q81. Which of the following is a result of an on-path attack on a system?

A Wi-Fi network that redirects to clones of legitimate websites

A website that has crashed and is no longer accessible

An email from an unknown source requesting bank account details

A web application that returns the addresses of its customers

Q82. An on-premises application server connects to a database in the cloud. Which of the following must be considered to ensure data integrity during transmission?

Bandwidth

Encryption

Redundancy

Masking

Q83. Which of the following DR techniques uses a disk to update content in parallel with the main disk so a real-time backup is available?

Log shipping

Mirroring

Replication

High availability

Q84. A DBA is reviewing the following logs to determine the current data backup plan for a primary data server:

Which of the following best describes this backup plan?

Monthly full, daily differential

Daily differential

Daily full

Weekly full, daily incremental

Q85. Which of the following should a company develop to ensure preparedness for a fire in a data center?

Deployment plan

Backup plan

Data retention policy

Disaster recovery plan

Q86. Which of the following computer services associates IP network addresses with text-based names in order to facilitate identification and connectivity?

LDAP

NTP

DHCP

IDNS

Q87. Which of the following is the best way to migrate a large data load from one table to another, considering total time and blocking?

Split the load size into many transactions.

Split the load size in half and run simultaneously.

Batch into small loads and run in parallel.

Batch large loads into one transaction.

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Get CompTIA DS0-001 Dumps Questions Study Exam Guide Sep 03, 2026 [Q63-Q87]

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