Monday 26 August 2019

Cloud - II

Into the second part of series on Cloud, we look at the next batch of questions. The questions in this article and series of posts are oriented more towards AWS Cloud Practitioner accreditation that is the first of the Amazon Certification credentials series.The answers to questions in last article are also mentioned.  These questions may be helpful for preparation of other AWS Certification Exams as well

Answers to previous post are given below:

1. a,c,d
2. a,c,e
3. b,d,e
4. a,b,c,e
5. c
6. c,d
7. b
8. b
9. c,d,e
10. a
11. a,d
12. a,b,c,d,e
13. a
14. a,b,c,d
15. a,b

The next batch of questions are below:

16. Which of the following is not a pillar of AWS Well-Architected Framework? 

a) Performance Efficiency
b) Security
c) Availability
d) Operational Excellence
e) Reliability

17. The fundamental drivers that form the basis for AWS costing are: (Choose all that apply)

a) outbound data transfer
b) inbound data transfer
c) storage
d) design
e) compute

18. Which of the following characteristics are associated with AWS Pricing? (Choose all that apply)

a) Pay only per user
b) Pay-as-you-go
c) Pay less by using more
d) Save when you reserve

19. Using AWS Free Tier, any AWS user can access all of the AWS services and gain free hands-on-experience

a) True
b) False

20. Which of the following are design principles of the AWS Cloud? (Choose all that apply)

a) Loose Coupling
b) Caching
c) Scalability
d) Automation
e) Open Source

21. An important customer is planning to deploy their custom auction application on EC2 for the first time. They believe that it will attract millions of hits but have no data to back their claim. Which of the following EC2 instances would you recommend?

a) Dedicated Hosts
b) On-Demand Instances
c) Reserved Instances
d) Spot Instances
e) A judicious combination of above

22. Non-free Pricing Models for EC2 instances comprise: (Choose all that apply)

a) Dedicated Hosts
b) On-Demand Instances
c) Provisioned Instances
d) Reserved Instances
e) Spot Instances

23. Which of the following offers the most favourable pricing for Amazon EC2 Reserved Instances:

a) Partial Upfront
b) Prorated Upfront
c) No Upfront
d) All Upfront

24. AWS Batch, AWS Fargate, AWS Lightsail and AWS Lambda are associated with

a) design
b) storage
c) compute
d) networking

25. Lift-and-shift is a migration approach that comprises moving on-premise software applications to cloud with minimal changes

a) True
b) False

26. Which of the following offers the most favorable pricing for EC2:

a) Dedicated Hosts
b) On-Demand Instances
c) Reserved Instances
d) Spot Instances

27. _________ is a highly available and scalable cloud Domain Name System (DNS) web service. 

a) AWS PrivateLink
b) AWS Direct Connect
c) Amazon Route 53
d) AWS Transit Gateway

28. Which of the following is a fully managed pub/sub messaging service:

a) Amazon SQS
b) Amazon SNS
c) Amazon SWF
d) Amazon MQ

29. Which of the following database instance types are supported by RDS: (Choose all that apply)

a) MySQL
b) DB2
c) Oracle
d) MariaDB
e) Aurora

30. Spot instances are best suited for applications that: (Choose all that apply)

a) involve serverless compute
b) have no scheduled run times
c) can be load balanced using ELB
d) are very compute intensive to run 

Answers in next post ...

Wednesday 21 August 2019

Cloud - I

I am truly delighted to be writing on another important topic: Cloud Computing. In the first post on this topic, we start with sample questions for AWS Cloud Practitioner Exam. The questions in this article and following posts are oriented more towards AWS Cloud Practitioner credential that is the first of the AWS Certifications series. These questions may be helpful for preparation of other AWS Certification Exams as well

1. What are the different Cloud Computing models? (Choose all that apply)

a) Infrastructure as a Service
b) Network as a Service
c) Platform as a Service
d) Software as a Service
e) Hardware as a Service

2. Advantages of Cloud Computing are: (Choose all that apply)

a) Focus on organization's business rather than IT infrastructure
b) Better control of on premise IT hardware
c) Benefits from economies of scale by cloud deployment
d) Huge investment of capital expenditure on data centers
e) Increased speed and agility of IT operations

3. Different Cloud Computing Deployment Models are: (Choose all that apply)

a) Social 
b) Private
c) Domain
d) Hybrid
e) Public

4. Amazon Web Services product offerings includes areas as: (Choose all that apply)

a) mobile
b) IOT
c) networking
d) availability zone set up
e) security

5. Each Amazon Region has at least __ Availability Zone(s)

a) 4
b) 3
c) 2
d) 1

6. Content delivery with lower latency is achieved by: (Choose all that apply)

a) Dedicated Amazon Servers
b) Superfast Amazon network
c) Edge Locations
d) Regional Edge Caches

7. The AWS S3 pricing is the same across the globe

a) True
b) False 

8. Long-term contracts are one of the significant benefits of Amazon Cloud Services

a) True
b) False

9. Three ways to access AWS are by using:

a) Logging into AWS servers in nearest Availability Zone
b) Logging into AWS servers in nearest Edge Location
c) AWS Management Console
d) AWS Command Line Interface
e) AWS Software Development Kits

10. AWS Shared Responsibility Model is related to

a) Security and Compliance
b) Pay-as-you-go Pricing
c) Lift-and-Shift
d) AWS Replication Strategy
e) AWS High Availability

11. Benefits of Serverless Model include: (Choose all that apply)

a) Automated High Availability
b) Automated Functional Programming
c) Full control of Cluster Provisioning
d) Flexible Scaling

12. Amazon EC2 Instance type families are: (Choose all that apply)

a) Compute optimized
b) Storage optimized
c) Accelerated computing
d) General purpose
e) Memory optimized

13. AWS Regions are connected to AWS Global Network with a 100 Gbps intercontinental network 

a) True
b) False

14. Different components of AWS Global Infrastructure are: (Choose all that apply)

a) AWS Availability Zones
b) AWS Data Centers
c) AWS Regions
d) Points of Presence

15. The advantages that Cloud offers to IT personnel are: (Choose all that apply)

a) Increased speed and agility
b) Try out innovations
c) Manual configuration of hardware devices onto racks
d) Full visibility into AWS Data Centers

Answers in next post ...