Which vulnerability allows script injection in browsers?
Anonymous Quiz
54%
XSS
22%
SQLi
10%
SSRF
13%
CSRF
Which memory allocation strategy splits memory into fixed-size blocks?
Anonymous Quiz
14%
Swapping
8%
Caching
53%
Segmentation
25%
Paging
Which encryption type uses the same key for encrypt and decrypt?
Anonymous Quiz
9%
Asymmetric
62%
Symmetric
24%
Hashing
5%
Public-key
Which Concurrency tool allows limited access to shared resource?
Anonymous Quiz
34%
Mutex
50%
Semaphore
7%
Pointer
9%
Stack
What does normalization primarily reduce?
Anonymous Quiz
6%
Query speed
18%
CPU usage
71%
Data redundancy
4%
Index size
Which HTTP mechanism upgrades a connection for real-time communication?
Anonymous Quiz
9%
Pooling
77%
WebSocket
6%
Caching
9%
Cookies
Which programming concept allows objects of different types to be treated uniformly?
Anonymous Quiz
21%
Encapsulation
24%
Abstraction
16%
Inheritance
40%
Polymorphism
Which distributed database technique improves read performance globally?
Anonymous Quiz
35%
Normalization
18%
Encryption
25%
Replication
22%
Serialization
Which famous programming language was created by a 10-day coding sprint?
Anonymous Quiz
40%
Python
23%
JavaScript
7%
C++
30%
Rust
In pandas, which operation combines datasets by matching columns similar to SQL joins?
Anonymous Quiz
30%
concat
54%
merge
5%
stack
12%
append
❤2
In web development, what problem does CORS address?
Anonymous Quiz
6%
Database indexing
15%
Caching performance
73%
Cross-origin requests
6%
Authentication
❤1
Which Python library is the most commonly used for numerical computing and matrix operations?
Anonymous Quiz
12%
Matplotlib
81%
NumPy
5%
Flask
2%
Seaborn
❤2
Which Python feature allows to modify behavior of other functions?
Anonymous Quiz
50%
Decorators
26%
Iterators
20%
Generators
3%
Closures
❤2
Which network protocol resolves IP addresses to physical MAC addresses?
Anonymous Quiz
49%
DNS
26%
ARP
21%
DHCP
4%
ICMP
Which ML algorithm is commonly used for dimensionality reduction?
Anonymous Quiz
28%
K-means
52%
PCA
14%
Naive Bayes
6%
Random forest
❤1
Which company originally created Typescript?
Anonymous Quiz
37%
Google
20%
Facebook
7%
Amazon
37%
Microsoft
👍1
❤4
🔥2
Which web technology allows a browser to update content without reloading the entire page?
Anonymous Quiz
30%
HTTP/2
58%
AJAX
10%
SMTP
3%
CSS Grid
Which API design practice improves backward compatibility?
Anonymous Quiz
42%
Versioning
21%
Tight coupling
16%
Large payloads
21%
Shared sessions
Which company originally developed the Go programming language?
Anonymous Quiz
13%
Facebook
19%
Microsoft
54%
Google
13%
Amazon