Marriott International Senior Devops Engineer Interview Questions and Answers for Experienced

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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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. Tell me about urself
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Q1. What's is ddos attack
Ans. 
A DDoS attack is a malicious attempt to disrupt normal traffic of a targeted server, service, or network by overwhelming it with a flood of internet traffic.
• DDoS stands for Distributed Denial of Service

• Attackers use multiple compromised systems to flood the target with traffic

• This can lead to service disruption or downtime for legitimate users

• Common types include UDP flood, ICMP flood, and SYN flood attacks
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Presentation on market penetration and expansion plans.

Q1. Understanding of the business Forecasting of new stores Strategic expansion
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