Marriott International Technical Support Engineer Interview Questions and Answers

Do you think social media is a good platform?

Q1. One of the worst company don't go for interview.
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Q1. No technical only cleaning cleaning we are not a employees we are labour's
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Q1. There is nothing only cleening 😞
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Q1. Zigzag traversal of tree
Ans. 
Zigzag traversal of a tree is a method to visit the nodes in a tree in a zigzag pattern.
• Use a queue to perform a level order traversal of the tree.

• For each level, alternate the direction of traversal (left to right, then right to left).

• Store the values of the nodes in each level in an array of strings.
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Q2. 3 Technical rounds Core Java and Springboot ques. RabbitMQ, annotations, multithreading, interface, concurrent hashmap, response body, Rest Api
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Q1. How to refresh access token if an api fails due to it
Ans. 
Refresh the access token by making a request to the authentication server
• Check the response code of the API call to determine if it's due to an expired access token

• If the response code indicates token expiration, make a request to the authentication server to get a new access token

• Update the access token in the application's authentication header and retry the failed API call
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Q1. What if auth token expires during a call. How do we retry?
Ans. 
Retry the call with a new auth token
• Check if the auth token has expired during the call

• Generate a new auth token

• Retry the call with the new auth token
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Q2. We use authenticator for it. It is provided by retrofit
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