The best data center site for the Project Falcon team is a location in a politically stable jurisdiction with access to skilled labor, good transportation systems, and a strong internet backbone. This ensures operational efficiency and security. Therefore, the chosen option is d.
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Here are the correct answers for each of the questions you've listed:
Question 11:
What would be the best data center site for the Project Falcon team?
✅ Correct answer: d. A location in a politically stable jurisdiction with good access to skilled labor, transportation systems and a strong internet backbone
This ensures long-term reliability, skilled workforce availability, and infrastructure support.
Question 12:
To eliminate a table that has been created and is not needed anymore, which clause should we include?
✅ Correct answer: a. DROP TABLE tablename
The DROP command is used to remove an entire table from a database.
Question 13:
Why is SSL the most appropriate tool to address security concerns?
✅ Correct answer: a. SSL uses both public key encryption and private key encryption
SSL/TLS uses asymmetric encryption to establish a secure session and symmetric encryption to transfer data.
Question 14:
In subject-object security, which is correct?
✅ Correct answer: d. The subject is the person/system accessing the object, and the object is the data/resource being accessed
This is the standard security model in access control systems.
Question 15:
Which user authorization allows modification of any tuple in the relation?
✅ Correct answer: d. Update authorization
UPDATE allows changes to existing records (tuples) in a table.
Question 16:
Major differences between internet and non-internet databases?
✅ Correct answer: a. Control issues, reduced data types, and connectivity issues
Internet databases deal with more restrictions on data types and connectivity compared to local systems.
Question 17:
Which security criterion is addressed by an authentication system?
✅ Correct answer: d. Verifying the identity of the user requesting access
Authentication is specifically designed to confirm identity.
Question 18:
Cost factors for owning a DBMS?
✅ Correct answer: d. The cost of the database professionals to program, support, and administer the DBMS
Personnel cost is a major component of total cost of ownership.
Question 19:
SQL symbol to represent all columns in a table?
✅ Correct answer: b. * (asterisk)
Using SELECT * FROM table; fetches all columns.
Question 20:
Which method addresses outdated and unneeded privileges?
✅ Correct answer: d. Principle of least privilege
This principle ensures users only have access necessary for their current role, helping prevent privilege creep.
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Let's go through each of the multiple-choice questions one by one:
Question 11: The best data center site should ideally offer a combination of a stable environment, skilled labor, and infrastructure. Thus, the correct option is: d. A location in a politically stable jurisdiction with good access to skilled labor, transportation systems and a strong internet backbone
Question 12: To eliminate a table in SQL, you use the DROP TABLE syntax. Thus, the correct option is: a. DROP TABLE tablename
Question 13: SSL is used because it utilizes both public key and private key encryption to establish a secure connection. Therefore, the correct option is: a. SSL uses both public key encryption and private key encryption
Question 14: In subject-object security models, the subject is the entity that accesses the resource and the object is the data/resource being accessed. Thus, the correct option is: d. The subject is the person/system accessing the object, and the object is the data/resource being accessed
Question 15: Update authorization allows a user to modify any tuple in the relation. Therefore, the correct option is: d. Update authorization
Question 16: Internet and non-internet databases differ mainly in connectivity, control, and extraction concerns. Hence, the correct option is: b. Connectivity issues, control issues, and extraction into XML
Question 17: Authentication systems are primarily designed to verify the identity of users. Therefore, the correct option is: d. Verifying the identity of the user requesting access
Question 18: In calculating the cost of owning a DBMS, the cost of database professionals is critical. Thus, the correct option is: d. The cost of the database professionals to program, support, and administer the DBMS
Question 19: In SQL, the asterisk symbol (*) is used to select all columns in a table. Therefore, the correct option is: b. * (asterisk)
Question 20: To manage changing roles and permissions without accruing outdated privileges, the principle of least privilege is essential. Hence, the correct option is: d. Principle of least privilege
These answers highlight key aspects of data management, security, and SQL usage, which are important in the field of Computers and Technology.