AT&T Technical Specialist Interview Questions and Answers

Use string methods to find a substring within a given string.

• Use the indexOf() method to find the starting index of the substring within the string.

• Use the substring() method to extract the substring based on the starting index and length.

• Consider using regular expressions for more complex substring matching.

Detecting a loop in a linked list

• Use two pointers approach - slow and fast pointers

• If there is a loop, the fast pointer will eventually meet the slow pointer

• Check if the fast pointer reaches the end of the list (null) before meeting the slow pointer

To delete a node from a linked list, update the pointers of the previous node to skip the node to be deleted.

• Traverse the linked list to find the node to be deleted.

• Update the 'next' pointer of the previous node to skip the node to be deleted.

• Free the memory allocated to the node to be deleted.

My salary expectations are based on my experience, skills, and the market rate for this position.

• Research the average salary range for Technical Specialists in the industry and location

• Consider your level of experience and expertise in the field

• Factor in any additional benefits or perks offered by the company

• Be prepared to negotiate based on the job responsibilities and requirements

My strength is my attention to detail and my weakness is my tendency to overthink.

• Strength: Attention to detail - I always make sure to thoroughly review my work to catch any errors or inconsistencies.

• Weakness: Overthinking - Sometimes I spend too much time analyzing a situation and struggle to make decisions quickly.