Skill Assessment & Placement Test

Cloud Computing

1. What does an Amazon RDS Multi-AZ deployment guarantee?

Lower monthly cloud billing rates. High availability and automated failover by replicating database data synchronously to a standby instance in a different AZ. Zero database read latency. Automatic column indexing.

Frontend Development

2. Which command compiles and starts an Angular application locally in developer server mode?

ng serve ng run npm start ng compile

Version Control & Git

3. Which command integrates changes from one branch into your current branch?

git pull git combine git merge git insert

Database Management

4. What does the % wildcard represent in a LIKE clause?

Exactly one character Zero, one, or multiple characters A space character A number

Cyber Security

5. What is the primary objective of exploiting a Buffer Overflow vulnerability?

To crash the database server to perform a Denial of Service. To overwrite adjacent memory space, injecting malicious code and redirecting execution flow to run arbitrary commands. To download website files via directories. To execute SQL queries inside unvalidated input forms.

Cloud Computing

6. What is an 'Availability Zone' (AZ) in AWS?

A public IP range. One or more discrete data centers with redundant power, networking, and connectivity within an AWS Region. A user role permission level. A caching node.

Artificial Intelligence

7. What is the difference between L1 (Lasso) and L2 (Ridge) regularization?

L1 regularization adds absolute weight values to the loss (promoting sparsity), while L2 adds squared weight values (shrinking weights smoothly). L2 regularization is slower and deprecated. L1 is unsupervised, while L2 is supervised. L1 is for text; L2 is for images.

Artificial Intelligence

8. What is the purpose of Batch Normalization in deep training?

Normalizing files on the server hard drive. Normalizing layer inputs within each mini-batch, stabilizing and accelerating the training of deep networks. Formatting data rows in SQL databases. Splitting the dataset into folds.

Frontend Development

9. What is the purpose of the @HostListener decorator in Angular?

To configure hosting servers To listen to host element events (like mousemove, scroll, click) directly from within a component or directive To handle database connections To compile template attributes

Cyber Security

10. How does a Blind SQL Injection attack differ from a Classic SQL Injection?

Blind SQLi does not show database error messages or output data directly on the page, requiring testers to infer data by asking true/false queries or using time delays. Blind SQLi is faster and requires no connection keys. Blind SQLi is unsupervised, while Classic is supervised. Blind SQLi is deprecated.

Database Management

11. What happens if you run an UPDATE statement without a WHERE clause?

It updates the first row only It returns an error and stops It deletes the table It updates every single row in the table

Web Development

12. What does the <iframe> tag do?

It creates an animated frame around an image. It embeds another HTML document within the current one. It defines a structural layout for the page. It prevents users from inspecting the code.

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