Which SQL operation usually becomes slower as a table grows if no suitable index exists?
Anonymous Quiz
65%
Lookup by column value
5%
Adding comments
16%
Renaming a table
14%
Creating a view
What happens when accessing a dictionary key that does not exist using dict[key]?
Anonymous Quiz
11%
Returns None
19%
Returns False
22%
Creates the key automatically
49%
Raises an exception
What is the primary benefit of TCP acknowledgements?
Anonymous Quiz
22%
Compression
39%
Reliability
10%
Caching
29%
Encryption
Why is using the same password across multiple sites risky?
Anonymous Quiz
9%
Passwords become slower to authorize
82%
One breach can affect multiple accounts
3%
Browsers reject reused passwords
5%
Encryption stops working
Which statement about Python tuples is true?
Anonymous Quiz
25%
They cannot contain duplicate values
4%
They can only store numbers
7%
They are always sorted automatically
63%
They are immutable after creation
What is usually a sign of a well-designed function?
Anonymous Quiz
5%
Hundreds of lines long
15%
Multiple unrelated responsibilities
70%
One clear purpose
10%
Many global variables
❤1
What is the purpose of the await keyword?
Anonymous Quiz
24%
It creates a new thread inside a process
62%
It pauses an async function until a Promise settles
5%
It increases execution speed significantly
8%
It prevents exceptions
❤1
Which CSS feature supports responsive design?
Anonymous Quiz
58%
Media Queries
8%
Variables
11%
Gradients
23%
Animations
Which loop is guaranteed to execute its body at least once?
Anonymous Quiz
13%
for loop
13%
while loop
63%
do...while loop
13%
foreach loop
Which practice helps developers detect integration issues before deploying to production?
Anonymous Quiz
49%
Continuous Integration
27%
Manual Testing only
10%
Code Formatting
14%
Version Tagging
What does an IP address identify?
Anonymous Quiz
18%
A browser
66%
A device
5%
A browser
11%
A database
What is the biggest advantage of using a set instead of a list when checking whether an item exists?
Anonymous Quiz
20%
Sets preserve insertion order better
8%
Sets allow duplicate values
39%
Membership checks are typically much faster
33%
Sets use less memory in every situation
Why does an SSD generally make a computer feel faster than a traditional HDD?
Anonymous Quiz
9%
It has more CPU cores
79%
It accesses data much more quickly
12%
It increases RAM automatically
0%
It executes programs directly
👍1
Topic: Debugging & Code Output
🔍 Quick look before the question:
🔍 Quick look before the question:
x = 10
def change():
x = x + 1
print(x)
change()
What happens when this code runs?
Anonymous Quiz
61%
Prints 11
4%
Prints 10
25%
Raises an UnboundLocalError
11%
Prints 1
Which method creates a new array without modifying the original?
Anonymous Quiz
8%
push()
43%
splice()
37%
filter()
12%
pop()
Which data structure uses LIFO (Last In, First Out) order?
Anonymous Quiz
21%
Queue
64%
Stack
11%
Linked List
4%
Heap
Which statement removes a table entirely, including its structure?
Anonymous Quiz
19%
DELETE
19%
TRUNCATE
59%
DROP
4%
REMOVE
What is an API primarily used for?
Anonymous Quiz
7%
Styling a webpage
93%
Allowing different software systems to communicate with each other
0%
Compressing image files
0%
Managing hardware drivers