This set of Hadoop Multiple Choice Questions & Answers (MCQs) focuses on “Amazon EC2/S3 services”.
1. The Amazon ____________ is a Web-based service that allows business subscribers to run application programs in the Amazon.com computing environment.
a) EC3
b) EC4
c) EMR
d) None of the mentioned
View Answer
Explanation: Use Amazon EC2 for scalable computing capacity in the AWS cloud so you can develop and deploy applications without hardware constraints.
2. Point out the correct statement.
a) Amazon Web Services offers reliable, scalable, and inexpensive cloud computing services
b) MongoDB runs well on Amazon EC2
c) To deploy MongoDB on EC2 you can either set up a new instance manually
d) All of the mentioned
View Answer
Explanation: MongoDB on EC2 can be deployed easily by using sharded cluster management.
3. Amazon ___________ is a Web service that provides real-time monitoring to Amazon’s EC2 customers.
a) AmWatch
b) CloudWatch
c) IamWatch
d) All of the mentioned
View Answer
Explanation: The current AMIs for all CoreOS channels and EC2 regions are updated frequently.
4. Amazon ___________ provides developers the tools to build failure resilient applications and isolate themselves from common failure scenarios.
a) EC2
b) EC3
c) EC4
d) All of the mentioned
View Answer
Explanation: Amazon EC2 changes the economics of computing by allowing you to pay only for capacity that you actually use.
5. Point out the wrong statement.
a) Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides resizable compute capacity in the cloud
b) Amazon EC2 is designed to make web-scale cloud computing easier for developers.
c) Amazon EC2’s simple web service interface allows you to obtain and configure capacity with minimal friction.
d) None of the mentioned
View Answer
Explanation: Amazon EC2 reduces the time required to obtain and boot new server instances to minutes.
6. Amazon EC2 provides virtual computing environments, known as __________
a) chunks
b) instances
c) messages
d) none of the mentioned
View Answer
Explanation: Using Amazon EC2 eliminates your need to invest in hardware up front
7. Amazon ___________ is well suited to transfer bulk amount of data.
a) EC2
b) EC3
c) EC4
d) All of the mentioned
View Answer
Explanation: Amazon EC2 enables you to scale up or down to handle changes in requirements or spikes in popularity, reducing your need to forecast traffic.
8. The EC2 can serve as a practically unlimited set of ___________ machines.
a) virtual
b) real
c) distributed
d) all of the mentioned
View Answer
Explanation: To use the EC2, a subscriber creates an Amazon Machine Image (AMI) containing the operating system, application programs and configuration settings.
9. EC2 capacity can be increased or decreased in real time from as few as one to more than ___________ virtual machines simultaneously.
a) 1000
b) 2000
c) 3000
d) None of the mentioned
View Answer
Explanation: Billing takes place according to the computing and network resources consumed.
10. AMI is uploaded to the Amazon _______ and registered with Amazon EC2, creating a so-called AMI identifier (AMI ID).
a) S2
b) S3
c) S4
d) S5
View Answer
Explanation: Amazon S3 stands for Amazon Simple Storage Service.
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