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IT Quiz Bowl Flashcards | StudBud
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IT Quiz Bowl
IT Quiz Bowl
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Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
Which programming language is commonly used for developing iOS applications?
Java
Swift
C++
Python
2
What is the best approach to efficiently store and manage relationships between two different sets of data?
Use a separate table with foreign keys to link records
Store related data in a text file
Store everything in one table
Duplicate data across multiple tables
3
Which feature of Java allows multiple classes to define methods with the same name but different parameters?
Method Overriding
Encapsulation
Method Overloading
Polymorphism
4
What is the role of an IP address in networking?
To store website data
To uniquely identify devices on a network
To encrypt network traffic
To increase internet speed
5
Which type of malware records keystrokes to steal sensitive information?
Trojan horse
Ransomware
Rootkit
Keylogger
6
Which of the following is used to delete a selected item from a list?
.Remove()
.Clear()
.Insert()
.Add()
7
What happens if you try to execute a Java program without the main() method in JDK 8 and above?
It will automatically create a main() method
It will run normally if at least one other method exists
It will compile but crash due to memory issues
It will throw a NoSuchMethodError at runtime
8
Which SQL command is used to SELECT all records from a database table?
SELECT * FROM
INSERT INTO
DELETE FROM
UPDATE
9
Which SQL command is used to modify existing records in a database?
DELETE FROM
INSERT INTO
ALTER TABLE
UPDATE
10
What is the difference between HTTP and HTTPS?
HTTP can only be used on mobile devices
HTTPS is a faster version of HTTP
There is no difference between them
HTTPS uses encryption for secure communication
11
Which data type is best suited for storing a person's name in a database?
String
Integer
Boolean
Float
12
What is the main function of a CPU in a computer?
It processes instructions and executes tasks.
It displays the images on the screen.
It makes the PC look cooler.
It makes the programs run faster.
13
What must be done before adding new records to prevent duplicate entries?
Sort the table alphabetically
Delete all existing records
Check if a record with the same unique identifier exists
Restart the database
14
What will be the output of the following Java snippet?
10
13
12
11
15
Which of the following is commonly used to store multiple objects in a list in object-oriented programming?
Stack
Queue
Dictionary
Array
