Interview Questions and Answers - Order By Rating Q211. You have a webserver on an ec2 instance. Your instance can get to the internet, but nobody on the internet can get to your webserver. Describe how you would troubleshoot. Amazon Web Services (AWS)
This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. CloudFront for Static Media and cached content Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. In AWS Lambda we can run a function in synchronous or asynchronous mode. In synchronous mode, if AWS Lambda function fails, then it will just give an exception to the calling application. In asynchronous mode, if AWS Lambda function fails then it will retry the same function at least 3 times.If AWS Lambda is running in response to an event in Amazon DynamoDB or Amazon Kinesis, then the event will be retried till the Lambda function succeeds or the data expires. In DynamoDB or Kinesis, AWS maintains data for at least 24 hours. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q214. What are the different types of load balancing options provided by Amazon Elastic Load Balancing (ELB)? Amazon Web Services (AWS)
Ans. Application load balancing Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Geo Targeting will the users country of origin and pass along with country code to you in the cloudFront viewer country header. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Yes Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Its a storage option provided by AWS which is even cheaper than S3. As the objects are archieved before saving, retrieval time is pretty bad. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. AWS now allows file upto 5GB in S3 Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. 99.999999999% Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. 20 Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Controller Service Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. IPv4 and IPv6 Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Amazon SWF Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q226. Which IAM policy condition key should be used if you want to check whether the request was sent using SSL? Amazon Web Services (AWS)
Ans. AWS: secure transport Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. So that it doesn't overwrite the existing file with the same name and maintain versioning of it. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Cloud Formation does not have any additional cost but you are charged for the underlying resources it builds. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. 10000 Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q230. What is elasticity in relation to Cloud infrastructure ? Cloud Computing
Ans. The power to scale computing resources up and down easily with minimal friction Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q231. With regards to VPC, what is the default maximum number of virtual private gateways allowed per region? Amazon Web Services (AWS)
Ans. 5 Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q232. A customer has a website which is accessible over the Internet and he wants to secure the communication and decides to implement HTTPS instead of HTTP. He has configured EC2 instance behind an ELB. Where should you configure the SSL certificate? Amazon Web Services (AWS)
This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Yes I did it for an execution role of a Lambda function to give it write access on S3 bucket. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. We can schedule that through CloudWatch. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. We can get the object and then can set CannedAcl property as "PublicRead" Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q237. What would you do if you see an error thrown by a lambda function as "Access Denied" while doing something with S3 ? Amazon Web Services (AWS)
Ans. Just like people , AWS resources too have execution roles or permissions. Seems like in such a situation Lambda function may not have sufficient privileges to perform operations on S3. For example - The execution role of Lambda may just have read permissions on S3 and we may be trying to perform PutObject operation. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Depend on its pricing module Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q240. Do you know how can we export Redis data ? Redis
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