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CompTIA Pass Leader DS0-001 Dumps: CompTIA DataSys+ Certification Exam - Pass4guide Authoritative Company in Offering Certification Training
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CompTIA DataSys+ Certification Exam Sample Questions (Q32-Q37):
NEW QUESTION # 32
Which of the following commands is part of DDL?
Answer: B
Explanation:
The command that is part of DDL is CREATE. CREATE is a SQL command that belongs to the category of DDL, or Data Definition Language. DDL is a subset of SQL commands that are used to define or modify the structure or schema of a database, such as tables, columns, constraints, indexes, views, etc. CREATE is a DDL command that is used to create a new object in a database, such as a table, column, constraint, index, view, etc. For example, the following statement uses the CREATE command to create a new table called employee with four columns:
CREATE TABLE employee (
emp_id INT PRIMARY KEY,
emp_name VARCHAR(50) NOT NULL,
emp_dept VARCHAR(20),
emp_salary DECIMAL(10,2)
);
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The other options are either part of different categories of SQL commands or not SQL commands at all. For example, UPDATE is a SQL command that belongs to the category of DML, or Data Manipulation Language. DML is a subset of SQL commands that are used to manipulate or modify the data or content of a database, such as inserting, updating, deleting, or selecting data.
GRANT is a SQL command that belongs to the category of DCL, or Data Control Language. DCL is a subset of SQL commands that are used to control or manage the access or permissions of users or roles on a database, such as granting or revoking privileges or roles. INSERT is a SQL command that belongs to the category of DML, or Data Manipulation Language. INSERT is a DML command that is used to insert new data into a table.
NEW QUESTION # 33
Which of the following is a result of an on-path attack on a system?
Answer: D
Explanation:
A result of an on-path attack on a system is a Wi-Fi network that redirects to clones of legitimate websites. An on-path attack is a type of attack that intercepts and modifies the traffic between two parties without their knowledge or consent. An attacker can use an on-path attack to create a rogue Wi-Fi network that mimics a legitimate one, and then redirect the users to fake websites that look like the ones they intended to visit. The attacker can then steal the users' personal or financial information, such as usernames, passwords, credit card numbers, or bank account details. The other options are either results of different types of attacks or not related to attacks at all. For example, a website that has crashed and is no longer accessible may be a result of a denial-of-service attack, an email from an unknown source requesting bank account details may be a result of a phishing attack, and a web application that returns the addresses of its customers may be a result of a poor design or a data breach. References: CompTIA DataSys+ Course Outline, Domain 4.0 Data and Database Security, Objective 4.4 Given a scenario, identify common types of attacks against databases.
NEW QUESTION # 34
(Evidence from logs shows multiple ongoing attempts to connect with a default account that was disabled.
Which of the following best describes this type of attack?)
Answer: D
Explanation:
The correct answer is B. Brute-force. CompTIA DataSys+ identifies brute-force attacks as a common authentication-based threat in database and system environments. A brute-force attack involves repeatedly attempting to authenticate to an account by systematically trying different credentials or repeatedly targeting known or default accounts in hopes that one attempt will succeed. The presence of multiple ongoing connection attempts in logs is a key indicator of this attack type.
In this scenario, the attacker is attempting to connect using a default account, even though it has been disabled. Default accounts are well-known targets because attackers are often aware of their usernames and may assume weak or unchanged credentials. DataSys+ emphasizes that attackers frequently attempt brute- force or password-spraying attacks against default or administrative accounts, especially when exposed services are accessible over the network. Even if the account is disabled, repeated attempts still generate log entries and clearly signal brute-force behavior.
Option A, malware, typically involves malicious software executing on a system and does not primarily manifest as repeated login attempts in authentication logs. Option C, on-path (man-in-the-middle) attacks, involve intercepting or altering network traffic between two parties and would not appear as repeated failed authentication attempts from a single source. Option D, SQL injection, targets application input fields and database queries, not authentication mechanisms tied to account logins.
CompTIA DataSys+ stresses the importance of monitoring logs for failed authentication attempts as part of intrusion detection and security auditing. It also highlights defensive controls such as account lockout policies, disabling default accounts, strong authentication mechanisms, and intrusion detection systems to mitigate brute-force attacks.
Because the defining characteristic in the scenario is repeated connection attempts against an account, the activity is best classified as a brute-force attack, making option B the correct and fully verified answer.
NEW QUESTION # 35
Which of the following is an attack in which an attacker hopes to profit from locking the database software?
Answer: D
Explanation:
The attack in which an attacker hopes to profit from locking the database software is ransomware. Ransomware is a type of malware that encrypts the data or files on a system or network and demands a ransom from the victim to restore them. Ransomware can target database software and lock its access or functionality until the victim pays the ransom, usually in cryptocurrency. Ransomware can cause serious damage and loss to the victim, as well as expose them to further risks or threats. Ransomware can be delivered through various methods, such as phishing emails, malicious attachments, compromised websites, etc. The other options are either different types of attacks or not related to locking database software at all. For example, spear phishing is a type of phishing attack that targets a specific individual or organization with personalized or customized emails; SQL injection is a type of attack that inserts malicious SQL statements into an input field or parameter of a web application to manipulate or compromise the underlying database; on-path is a type of attack that intercepts and modifies the data in transit between two parties on a network.
NEW QUESTION # 36
(Which of the following is used to store product quantities in a table while ensuring the minimal amount of storage is consumed?)
Answer: C
Explanation:
The correct answer is B. INTEGER. According to CompTIA DataSys+ objectives, choosing the appropriate data type is a fundamental database design decision that directly affects storage efficiency, performance, and data integrity. Product quantities represent whole numbers, such as the count of items in inventory, units sold, or stock remaining. Because these values do not require decimal precision, an integer-based data type is the most appropriate and storage-efficient choice.
An INTEGER data type is specifically designed to store whole numbers and consumes significantly less storage than floating-point or double-precision data types. DataSys+ emphasizes that database administrators should always select the smallest data type that accurately represents the data, as this reduces disk usage, improves cache efficiency, and enhances query performance-especially in large tables with millions of rows.
Option A, DOUBLE, and option D, FLOAT, are floating-point data types intended for values that require decimal precision, such as scientific measurements or financial calculations involving fractions. These data types consume more storage and can introduce rounding errors, making them unsuitable for storing simple quantity counts. Using floating-point types for inventory quantities would be inefficient and unnecessary.
Option C, COUNT, is not a data type at all. COUNT is an aggregate SQL function used in queries to calculate the number of rows or non-null values in a result set. It cannot be used to define a column in a table schema.
CompTIA DataSys+ highlights that efficient schema design includes proper data typing to minimize resource consumption while maintaining accuracy. By using INTEGER for product quantities, administrators ensure optimal storage utilization, faster indexing, and predictable arithmetic operations.
Therefore, to store product quantities accurately while consuming the minimal amount of storage, INTEGER is the best and most appropriate choice, making option B the correct and fully verified answer.
NEW QUESTION # 37
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