What is SQL Injection?
a. An attack that allows an attacker to execute arbitrary SQL queries against a database by manipulating input fields
b. A method for encrypting SQL queries
c. A technique for managing user sessions
d. A way to handle user authentication
Answer: a. An attack that allows an attacker to execute arbitrary SQL queries against a database by manipulating input fields
Which of the following is a common prevention technique for SQL Injection?
a. Using parameterized queries
b. Encrypting the SQL query
c. Disabling JavaScript
d. Handling user authentication
Answer: a. Using parameterized queries
What does a parameterized query do to prevent SQL Injection?
a. It separates SQL code from data by using placeholders, reducing the risk of malicious input execution
b. It encrypts SQL statements
c. It manages session state
d. It handles authentication
Answer: a. It separates SQL code from data by using placeholders, reducing the risk of malicious input execution
Which of the following is an example of a parameterized query in C#?
a. SELECT * FROM Users WHERE Username = @username
b. SELECT * FROM Users WHERE Username = 'userInput'
c. SELECT * FROM Users WHERE Username = 'user' OR 1=1
d. SELECT * FROM Users WHERE Username = @userInput
Answer: a. SELECT * FROM Users WHERE Username = @username
In ASP.NET, which class is commonly used to execute parameterized queries?
a. SqlCommand
b. SqlConnection
c. SqlDataAdapter
d. SqlDataReader
Answer: a. SqlCommand
Which of the following statements is true about using SqlCommand with parameterized queries?
a. It helps prevent SQL Injection by ensuring user input is treated as data, not executable code
b. It encrypts SQL queries
c. It handles session management
d. It manages user authentication
Answer: a. It helps prevent SQL Injection by ensuring user input is treated as data, not executable code
What is the purpose of using the AddWithValue method in parameterized queries?
a. To add parameters to the SQL command with their corresponding values
b. To encrypt parameter values
c. To manage user sessions
d. To handle authentication
Answer: a. To add parameters to the SQL command with their corresponding values
Which of the following should be avoided to prevent SQL Injection?
a. Constructing SQL queries by concatenating user input directly into the query string
b. Using parameterized queries
c. Employing ORM frameworks
d. Implementing proper input validation
Answer: a. Constructing SQL queries by concatenating user input directly into the query string
How can developers use Entity Framework (EF) to mitigate SQL Injection risks?
a. By using LINQ queries which are automatically parameterized
b. By manually writing raw SQL queries
c. By concatenating user input into SQL strings
d. By disabling Entity Framework features
Answer: a. By using LINQ queries which are automatically parameterized
What role does input validation play in preventing SQL Injection?
a. It helps ensure that user inputs are in expected formats and limits the potential for malicious input
b. It encrypts input data
c. It manages session state
d. It handles user authentication
Answer: a. It helps ensure that user inputs are in expected formats and limits the potential for malicious input
What is a common sign that an application may be vulnerable to SQL Injection?
a. Directly concatenating user input into SQL queries without proper parameterization
b. Using parameterized queries
c. Employing ORM frameworks
d. Implementing strict input validation
Answer: a. Directly concatenating user input into SQL queries without proper parameterization
Which SQL command is most commonly targeted by SQL Injection attacks?
a. SELECT
b. INSERT
c. UPDATE
d. DELETE
Answer: a. SELECT
How can developers use stored procedures to enhance SQL Injection protection?
a. By executing parameterized queries within the stored procedure
b. By concatenating user input directly into SQL statements
c. By encrypting stored procedure code
d. By managing session state
Answer: a. By executing parameterized queries within the stored procedure
What is the significance of using SqlParameter objects in ADO.NET?
a. They help prevent SQL Injection by separating SQL code from data
b. They encrypt SQL queries
c. They handle session state
d. They manage user authentication
Answer: a. They help prevent SQL Injection by separating SQL code from data
Which ASP.NET feature helps mitigate SQL Injection by validating and sanitizing user input?
a. Model Binding and Data Annotations
b. Encryption libraries
c. Authentication mechanisms
d. Session management
Answer: a. Model Binding and Data Annotations
What is the impact of SQL Injection on a database?
a. It can allow unauthorized access to or manipulation of database data
b. It encrypts data
c. It handles user sessions
d. It manages authentication
Answer: a. It can allow unauthorized access to or manipulation of database data
What is a common practice to test for SQL Injection vulnerabilities?
a. Performing penetration testing with tools designed to detect SQL Injection issues
b. Ignoring special characters in inputs
c. Relying solely on automated code analysis
d. Disabling SQL features
Answer: a. Performing penetration testing with tools designed to detect SQL Injection issues
What is the role of parameterized queries in Entity Framework (EF) Core?
a. To ensure that user input is treated as data rather than executable code
b. To encrypt EF Core queries
c. To manage user sessions
d. To handle authentication
Answer: a. To ensure that user input is treated as data rather than executable code
How does ASP.NET Core’s DbContext help prevent SQL Injection?
a. By using LINQ queries which are automatically parameterized
b. By allowing direct SQL query execution
c. By concatenating user input into SQL commands
d. By managing session state
Answer: a. By using LINQ queries which are automatically parameterized
Which of the following is a best practice to prevent SQL Injection?
a. Always use parameterized queries or prepared statements
b. Relying on user input sanitization alone
c. Using static SQL queries without parameters
d. Disabling query execution
Answer: a. Always use parameterized queries or prepared statements
What is the purpose of SQL injection testing tools?
a. To identify vulnerabilities in applications that might be susceptible to SQL Injection attacks
b. To encrypt SQL queries
c. To manage user sessions
d. To handle authentication
Answer: a. To identify vulnerabilities in applications that might be susceptible to SQL Injection attacks
How does input parameterization in SQL commands contribute to security?
a. It separates executable SQL code from user input, preventing malicious data from altering the command
b. It encrypts input data
c. It manages user authentication
d. It handles session state
Answer: a. It separates executable SQL code from user input, preventing malicious data from altering the command
What should be done if a web application is found to be vulnerable to SQL Injection?
a. Refactor the code to use parameterized queries and review security practices
b. Ignore the vulnerability until it becomes critical
c. Disable all database interactions
d. Remove all user inputs
Answer: a. Refactor the code to use parameterized queries and review security practices
Which type of SQL query is most susceptible to SQL Injection?
a. Dynamic SQL queries that include user input without proper validation
b. Static SQL queries
c. Stored procedures with parameters
d. Parameterized SQL queries
Answer: a. Dynamic SQL queries that include user input without proper validation
What is the benefit of using ORM frameworks like Entity Framework in terms of SQL Injection prevention?
a. ORMs use parameterized queries internally, reducing the risk of SQL Injection
b. ORMs encrypt SQL queries
c. ORMs manage user sessions
d. ORMs handle authentication
Answer: a. ORMs use parameterized queries internally, reducing the risk of SQL Injection
How does input sanitization differ from parameterized queries in preventing SQL Injection?
a. Parameterized queries separate data from code, while sanitization modifies input to remove harmful elements
b. Input sanitization encrypts data
c. Parameterized queries handle session management
d. Input sanitization manages user authentication
Answer: a. Parameterized queries separate data from code, while sanitization modifies input to remove harmful elements
Which SQL function can be exploited in SQL Injection to bypass security measures?
a. UNION
b. COUNT
c. SUM
d. AVG
Answer: a. UNION
What is a common mitigation technique for SQL Injection in web applications using raw SQL queries?
a. Using parameterized queries or prepared statements
b. Relying on input validation alone
c. Disabling all SQL functionality
d. Encrypting query results
Answer: a. Using parameterized queries or prepared statements
Which of the following is a method to test for SQL Injection vulnerabilities in a web application?
a. Using security testing tools to perform automated vulnerability scans
b. Manually reviewing code for direct SQL command construction
c. Ignoring unusual behaviors
d. Relying solely on encryption
Answer: a. Using security testing tools to perform automated vulnerability scans
What is the purpose of using stored procedures in database security?
a. To encapsulate SQL logic and use parameterized inputs to prevent SQL Injection
b. To encrypt database connections
c. To manage user sessions
d. To handle authentication
Answer: a. To encapsulate SQL logic and use parameterized inputs to prevent SQL Injection
What type of input validation can help prevent SQL Injection?
a. Ensuring that input data conforms to expected formats and lengths
b. Encrypting input data
c. Managing user sessions
d. Handling authentication
Answer: a. Ensuring that input data conforms to expected formats and lengths
How can developers ensure that their SQL queries are protected from injection attacks?
a. By using parameterized queries and avoiding dynamic SQL query construction
b. By using encryption methods alone
c. By disabling SQL query execution
d. By managing user sessions
Answer: a. By using parameterized queries and avoiding dynamic SQL query construction
Which tool or practice is used to detect SQL Injection vulnerabilities?
a. Penetration testing tools designed for SQL Injection
b. Standard debugging tools
c. Encryption libraries
d. Session management tools
Answer: a. Penetration testing tools designed for SQL Injection
How can using Entity Framework Core’s FromSqlRaw method impact SQL Injection?
a. It can be vulnerable if raw SQL queries are used without parameters, so it should be used with caution
b. It automatically protects against SQL Injection
c. It handles session management
d. It manages authentication
Answer: a. It can be vulnerable if raw SQL queries are used without parameters, so it should be used with caution
What is the primary advantage of parameterized queries in ASP.NET applications?
a. They prevent SQL Injection by ensuring that user input is treated as data, not executable code
b. They encrypt SQL statements
c. They handle user sessions
d. They manage authentication
Answer: a. They prevent SQL Injection by ensuring that user input is treated as data, not executable code
Which SQL command should always be used with caution to avoid SQL Injection?
a. EXECUTE
b. INSERT
c. SELECT
d. UPDATE
Answer: a. EXECUTE
How does parameterized query execution differ from dynamic SQL in terms of security?
a. Parameterized queries are secure because they separate code from data, while dynamic SQL can execute arbitrary user input
b. Parameterized queries handle session state
c. Dynamic SQL encrypts queries
d. Dynamic SQL manages user authentication
Answer: a. Parameterized queries are secure because they separate code from data, while dynamic SQL can execute arbitrary user input
What is a recommended approach to handle SQL Injection vulnerabilities in legacy code?
a. Refactor the code to use parameterized queries and review security practices
b. Ignore the vulnerabilities until they cause issues
c. Disable all database interactions
d. Remove all user inputs
Answer: a. Refactor the code to use parameterized queries and review security practices