Interview Questions and Answers - Order By Rating Q571. What is the relationship between Base Class and Abstract Class ? Core Java
Ans. Abstract Class is a class that's only allowed to be a Base class for it's usage. It can never be instantiated on it's own. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve basic Q572. What is a base class ? Is Abstract class and Base class the same thing ? Core Java
Ans. Base Class is a relative term. For example - Class Vehicle is a Base class of Class Car. Even though Base class is derived in this case , there is no restriction on instantiation of Vehicle class. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q573. What are the biggest challenges for Java technology in the coming years? Core Java
Ans. JVM - With Cloud and Serverless, this could be a hurdle for it to be preferred technology. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q574. Somebody changed the permissions on a S3 bucket, Which Aws service can help locate the user who performed the action ? Amazon Web Services (AWS)
Ans. CloudTrail Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. CloudWatch is for monitoring resources whereas CloudTrail is for auditing activity. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. 5 mins for Standard / Basic Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. CPU, Disk, Network, Status Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Only Basic not advanced Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. We can use this check for variety of things - Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Internal Load balancer is used for services which are for internal consumption only and hence doesn't need to direct Web traffic. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q581. Which of the Load balancer - Application / Network provides advanced features ? What is the use of other Load Balancer than if one provides advanced feature than other ? Amazon Web Services (AWS)
Ans. Application Load Balancer is high level ( Level 7 Networking Layer ) and provides better features and flexibility than Network Load Balancer ( Level 4 Network Layer ) Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Application , Network and Classic Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve This question was recently asked at 'Cognizant (C?TS),Overstock'.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 Asked in 2 Companies Q584. Explain difference between web-based application and Core Java Application ? Java
This question was recently asked at 'Tripod'.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 Asked in 1 Companies 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. No they need to be unencrypted before an AMI is created. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Snapshots are point in time copies of Volume. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Volume -> Snapshot -> AMI Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. In S3 Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Yes , We can create snapshots with Volumes and then AMIs with Snapshots. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Yes, We can do that through snapshots and AMI Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Yes, except Magnetic standard Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. No, they need to be local Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Yes , but only Magnetic standard. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Root Volume is the primary volume used for installing operating system whereas Additional volume is just additional disk space. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. No, We can do that through ACL Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q597. Can a EC2 instance have multiple Security Groups ? Can a single security group be assigned to multiple Ec2 instances ? If either of them is true , doesn't it result in conflict ? Amazon Web Services (AWS)
Ans. We can assign multiple security groups to single instance and we can use single security group with multiple instances. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. Yes but not the root volume of default AMIs. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. CloudWatch Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Ans. System status check is to check if the power or network is working whereas Instance status check goes further and make sure that traffic is going through. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve
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