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NEW QUESTION # 60
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?
Answer: D
Explanation:
The backup plan that best describes the logs is weekly full, daily incremental. This means that a full backup of the entire database is performed once a week, and then only the changes made since the last backup are backed up every day. This can be inferred from the logs by looking at the size and duration of the backups.
The full backups are larger and take longer than the incremental backups, and they occur every seven days.
The other backup plans do not match the pattern of the logs. References: CompTIA DataSys+ Course Outline, Domain 5.0 Business Continuity, Objective 5.2 Given a scenario, implement backup and restoration of database management systems.
NEW QUESTION # 61
A database administrator has configured a Resource Governor with three resource pools. The first resource pool is assigned a minimum CPU and memory value of 25%. The second resource pool is assigned a minimum CPU and memory value of 35%. The database administrator wants to assign the maximum CPU and the maximum resource pool to the third resource. Which of the following is the maximum memory the database administrator should assign to the third resource?
Answer: D
Explanation:
The first and second resource pools have a combined minimum memory allocation of 25% + 35%
= 60%. The maximum memory that can be assigned to the third resource pool is the remaining memory, which is 100% - 60% = 40%.
NEW QUESTION # 62
Which of the following is the best way to migrate a large data load from one table to another, considering total time and blocking?
Answer: B
Explanation:
The best way to migrate a large data load from one table to another, considering total time and blocking, is to batch into small loads and run in parallel. This means that the large data load is divided into smaller chunks that can be processed simultaneously by multiple threads or processes. This reduces the total time required for the migration and also minimizes the blocking of other operations on the tables involved. The other options are either less efficient or more prone to blocking. For example, splitting the load size into many transactions may increase the overhead and latency of each transaction; splitting the load size in half and running simultaneously may still cause blocking or contention; batching large loads into one transaction may take longer and lock the tables for longer periods. References: CompTIA DataSys+ Course Outline, Domain 3.0 Database Management and Maintenance, Objective 3.3 Given a scenario, migrate data between databases.
NEW QUESTION # 63
A programmer wants to configure a database to only allow read or write access when requests are coming from specific IP addresses. Which of the following can be used to configure IP addresses to allow access to the database?
Answer: D
Explanation:
The best option to configure IP addresses to allow access to the database is a firewall. A firewall is a network device or software that controls the incoming and outgoing traffic based on a set of rules or policies. A firewall can be used to filter the traffic by IP addresses, ports, protocols, or other criteria, and allow or deny access to the database accordingly. The other options are either not relevant or not sufficient for this task. For example, a static IP address is an IP address that does not change over time, but it does not determine the access to the database; a dynamic IP address is an IP address that changes periodically, but it does not control the traffic to the database; an IDNS is an Internet Domain Name System, which translates domain names into IP addresses, but it does not regulate the access to the database.
NEW QUESTION # 64
(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: C
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 # 65
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