Keyword

Result: 19 questions

What gets printed?

names1 = ['Amir', 'Barry', 'Chales', 'Dao']
names2 = names1
names3 = names1[:]

names2[0] = 'Alice'
names3[1] = 'Bob'

sum = 0
for ls in (names1, names2, names3):
    if ls[0] == 'Alice':
        sum += 1
    if ls[1] == 'Bob':
        sum += 10

print sum
Quiz

What will be the output of the program?

public class StringRef 
{
    public static void main(String [] args) 
    {
        String s1 = "abc";
        String s2 = "def";
        String s3 = s2;   /* Line 7 */
        s2 = "ghi";
        System.out.println(s1 + s2 + s3);
    }
}
Quiz

An IAM user is trying to perform an action on an object belonging to some other root account’s bucket. Which of the below mentioned options will AWS S3 not verify?

Quiz

A startup company hired you to help them build a mobile application, that will ultimately store billions of images and videos in Amazon Simple Storage Service (S3). The company is lean on funding, and wants to minimize operational costs, however, they have an aggressive marketing plan, and expect to double their current installation base every six months. Due to the nature of their business, they are expecting sudden and large increases in traffic to and from S3, and need to ensure that it can handle the performance needs of their application. What other information must you gather from this customer in order to determine whether S3 is the right option?

Quiz

What is the maximum number of S3 Buckets available per AWS account?

Quiz

Company A has a S3 bucket containing premier content that they intend to make available to only paid subscribers of their website. The S3 bucket currently has default permissions of all objects being private to prevent inadvertent exposure of the premier content to non-paying website visitors. How can Company A provide only paid subscribers the ability to download a premier content file in the S3 bucket?

Quiz

What does S3 stand for?

Quiz

What SLA do AWS provide for their S3 service?

Quiz

Which statement is true about S3?

Quiz

Which three statements describe S3?

Quiz

Mention what are the key components of AWS?

Answer:

The key components of AWS are

  • Route 53: A DNS web service
  • Simple E-mail Service: It allows sending e-mail using RESTFUL API call or via regular SMTP
  • Identity and Access Management: It provides enhanced security and identity management for your AWS account
  • Simple Storage Device or (S3): It is a storage device and the most widely used AWS service
  • Elastic Compute Cloud (EC2): It provides on-demand computing resources for hosting applications. It is very useful in case of unpredictable workloads
  • Elastic Block Store (EBS): It provides persistent storage volumes that attach to EC2 to allow you to persist data past the lifespan of a single EC2
  • CloudWatch: To monitor AWS resources, It allows administrators to view and collect key Also, one can set a notification alarm in case of trouble.
View

Explain what is S3?

Answer:

S3 stands for Simple Storage Service. You can use S3 interface to store and retrieve any amount of data, at any time and from anywhere on the web.  For S3, the payment model is “pay as you go”.

View

How can you send request to Amazon S3?

Answer:

Amazon S3 is a REST service, you can send request by using the REST API or the AWS SDK wrapper libraries that wrap the underlying Amazon S3 REST API.

View

Mention what is the difference between Amazon S3 and EC2?

Answer:

The difference between EC2 and Amazon S3 is that

EC2 S3
  • It is a cloud web service used for hosting your application
  • It is a data storage system where any amount of data can be stored
  • It is like a huge computer machine which can run either Linux or Windows and can handle application like PHP, Python, Apache or any databases
  • It has a REST interface and uses secure HMAC-SHA1 authentication keys
View

In Amazon Route 53, while creating a CNAME record the ideal TTL values while mapping the CNAME (a) to an existing domain and (b) to an ELB or S3 are:
 

Quiz

Which statement is true about S3?
 

Quiz

 Which statement doesn´t suit to S3?
 

Quiz

 What does S3 stand for?

Quiz

What SLA do AWS provide for their S3 service?
 

Quiz

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