Exams & Certification

The Correct Answer and Explanation is: a. true The statement that a database can support many logical views is correct. This is a fundamental feature of modern relational database management systems (RDBMS) and is crucial for data security, simplicity, and flexibility. A logical view, often just called a view, is a virtual table based on […]

The Correct Answer and Explanation is: Correct Answer: 178g = 52 Explanation: To write the sentence “g times 178 is equal to 52” as a mathematical equation, we must translate each part of the sentence into its corresponding mathematical symbol or expression. This process is a foundational skill in algebra, allowing us to represent verbal statements

The Correct Answer and Explanation is: The error in the sentence is the word sus. The correct word is los. The corrected sentence is: Henry se cepilla los dientes. Explanation The original sentence, “Henry se cepilla sus dientes,” contains a common grammatical error often made by English speakers learning Spanish. The mistake involves the redundant use of a

The Correct Answer and Explanation is: The correct statement is UPDATE. Explanation In Structured Query Language (SQL), the UPDATE statement is the correct command used to modify existing data within the rows of a table. It is a fundamental command of the Data Manipulation Language (DML), which is the part of SQL used for adding, deleting, and modifying

The Correct Answer and Explanation is: The eighth term in this pattern is 21. To find the eighth term in the sequence 7, 12, 10, 15, 13, …, we must first identify the underlying rule that governs the progression of the numbers. This is not a simple arithmetic sequence, where a constant number is added or

The Correct Answer and Explanation is: Based on the visual evidence provided in the original image and the detailed crops, the correct answer is a laptop computer. The image captures a laptop computer from an angled perspective, showing its screen actively displaying a graphical user interface. The device is clearly a portable computer due to

The Correct Answer and Explanation is: 6.24 The process of rounding a number to a specific place value involves simplifying the number to a less precise but more convenient form. The goal is to find the closest number with the desired number of decimal places. The original number provided is 6.24159, and the instruction is

The Correct Answer and Explanation is: Of course. The correct answer is 20/67. Here is a detailed explanation: To solve this problem, we need to determine the probability of a specific event occurring. The fundamental formula for probability is: Probability = (Number of Favorable Outcomes) / (Total Number of Possible Outcomes) In this scenario, the “event”

The Correct Answer and Explanation is: The correct answer is B. By finding any segments that are especially large or small. The fundamental purpose of a pie chart is to visually represent the proportional distribution of different categories within a single dataset, illustrating parts of a whole. The most effective way to begin interpreting this type

The Correct Answer and Explanation is: The correct answer is whisk. This question is a word analogy that requires identifying the relationship between the first pair of words and applying that same relationship to the second pair. The initial statement, “artist is to paintbrush,” establishes a clear connection between a professional and a primary tool used