Blackrock Intern Interview Questions and Answers

The Internet is a global network connecting millions of private, public, academic, business, and government networks.

• The Internet uses a protocol called TCP/IP to transmit data between devices.

• Data is broken into packets, which are sent over various routes and reassembled at the destination.

• Web browsers use HTTP/HTTPS to request and display web pages from servers.

• Domain Name System (DNS) translates human-readable domai...read more

HTTP is unsecured, while HTTPS adds a layer of security through encryption using SSL/TLS protocols.

• HTTP stands for Hypertext Transfer Protocol; HTTPS stands for Hypertext Transfer Protocol Secure.

• HTTPS uses SSL/TLS to encrypt data, making it secure for transactions (e.g., online banking).

• Websites using HTTPS display a padlock icon in the address bar, indicating a secure connection.

• HTTP is typically used for non-sensiti...read more

White box testing examines internal structures, while black box testing focuses on input/output without knowledge of internal workings.

• White box testing involves testing the internal logic and structure of the code.

• Black box testing evaluates the functionality of the software without looking at the internal code.

• Example of white box testing: Unit testing, where individual components are tested for correctness.

• Example o...read more

Print a pattern using code

• Use nested loops to iterate through rows and columns

• Use string concatenation to build each row of the pattern

• Print each row to display the pattern

Merge two arrays without using a third array.

• Use the concat() method to merge the arrays.

• Alternatively, you can use the push() method to add elements from one array to another.

• Remember to handle the case where the arrays have different lengths.

I have regretted decisions in the past but learned from them to make better choices in the future.

• Regretted not studying enough for a crucial exam, leading to a lower grade. Learned to prioritize studying and time management.

• Regretted not speaking up in a meeting when I had a valuable idea. Learned to be more assertive and confident in sharing my thoughts.

• Regretted not taking a job opportunity that could have advanced ...read more

I come from a close-knit family with a passion for outdoor activities. We recently celebrated my brother's graduation, which was a proud moment for all of us.

• Family: Close-knit and supportive

• Hobbies: Outdoor activities like hiking and camping

• Proud moment: Brother's graduation ceremony