MCQ-Cloud - Cloud computing MCQ\'s PDF

Preview

Summary

Cloud computing MCQ's...

Description

1) What type of computing technology refers to services and applications that typically run on a distributed network through virtualized resources? a. Distributed Computing b. Cloud Computing c. Soft Computing d. Parallel Computing

2) Which one of the following options can be considered as the Cloud? a. Hadoop b. Intranet c. Web Applications d. All of the mentioned

3) Cloud computing is a kind of abstraction which is based on the notion of combining physical resources and represents them as _______resources to users. a. Real b. Cloud c. Virtual d. none of the mentioned

4) Which of the following has many features of that is now known as cloud computing? a.

Web Service b. Softwares c. All of the mentioned d. Internet

5) Which one of the following cloud concepts is related to sharing and pooling the resources? a.

Polymorphism b. Virtualization

c. Abstraction d. None of the mentioned

6) Which one of the following statements is not true? a.

The popularization of the Internet actually enabled most cloud computing

systems. b. Cloud computing makes the long-held dream of utility as a payment possible for you, with an infinitely scalable, universally available system, pay what you use. c. Soft computing addresses a real paradigm in the way in which the system is deployed. d. All of the mentioned

7) Which of the following is an essential concept related to Cloud? a.

Reliability b. Abstraction c. Productivity d. All of the mentioned

8) Which one of the following is Cloud Platform by Amazon? a.

Azure b. AWS c. Cloudera d. All of the mentioned

9) Which of the following statement is not true? a.

Through cloud computing, one can begin with very small and become big in a

rapid manner. b. All applications benefit from deployment in the Cloud. c. Cloud computing is revolutionary, even though the technology it is built on is evolutionary. d. None of the mentioned

10. _________ computing refers to applications and services that run on a distributed network using virtualized resources. a) Distributed b) Cloud c) Soft d) Parallel

11. Point out the wrong statement. a) Cloud Computing has two distinct sets of models b) Amazon has built a worldwide network of datacenters to service its search engine c) Azure enables .NET Framework applications to run over the Internet d) None of the mentioned 12. Which of the following is the deployment model? a) public b) private c) hybrid d) all of the mentioned 13. Point out the correct statement. a) A deployment model defines the purpose of the cloud and the nature of how the cloud is located b) Service model defines the purpose of the cloud and the nature of how the cloud is located c) Cloud Square Model is meant to show is that the traditional notion of a network boundary being the network’s firewall no longer applies in cloud computing d) All of the mentioned 14. The ________ cloud infrastructure is operated for the exclusive use of an organization. a) Public b) Private c) Community d) All of the mentioned 15. __________ cloud is one where the cloud has been organized to serve a common function or purpose. a) Public b) Private c) Community d) All of the mentioned 16. Which of the following is owned by an organization selling cloud services? a) Public

b) Private c) Community d) Hybrid 17. _______ provides virtual machines, virtual storage, virtual infrastructure, and other hardware assets. a) IaaS b) SaaS c) PaaS d) All of the mentioned 18. _______ provides virtual machines, virtual storage, virtual infrastructure, and other hardware assets. a) IaaS b) SaaS c) PaaS d) All of the mentioned 19. Which of the following is the IaaS service provider? a) EC2 b) EC1 c) EC10 d) Hybrid 20. Point out the correct statement. a) Google’s cloud includes perhaps some 10 data centers worldwide b) Flipkart.com’s infrastructure was built to support elastic demand so the system could accommodate peak traffic c) Data centers have been sited to optimize the overall system latency d) All of the mentioned 21. Cloud computing is a _______ system and it is necessarily unidirectional in nature. a) stateless b) stateful c) reliable d) all of the mentioned 22. Which of the following architectural standards is working with cloud computing industry? a) Service-oriented architecture b) Standardized Web services c) Web-application frameworks d) All of the mentioned

23. Which of the following is one of the unique attributes of Cloud Computing? a) utility type of delivery b) elasticity c) low barrier to entry d) all of the mentioned 24. Point out the correct statement. a) Service Level Agreements (SLAs) is small aspect of cloud computing b) Cloud computing does not have impact on software licensing c) Cloud computing presents new opportunities to users and developers d) All of the mentioned

25. Point out the wrong statement. a) A cloud is defined as the combination of the infrastructure of a datacenter with the ability to provision hardware and software b) High touch applications are best done on-premises c) The Google App Engine follows IaaS d) None of the mentioned 26. When you add a software stack, such as an operating system and applications to the service, the model shifts to _____ model. a) SaaS b) PaaS c) IaaS d) All of the mentioned

27. _______ feature allows you to optimize your system and capture all possible transactions. a) scalability b) reliability c) elasticity d) none of the mentioned 28. _______ enables batch processing, which greatly speeds up high-processing applications. a) Scalability b) Reliability c) Elasticity d) Utility

29. Point out the wrong statement. a) Google App Engine allows a developer to scale an application immediately b) The customer relationship management provider SalesForce.com has a development platform called Force.com that is an IaaS offering c) A cloud computing provider can become a hub master at the center of many ISVs offerings d) None of the mentioned HDFS 30. A ________ serves as the master and there is only one NameNode per cluster. a) Data Node b) NameNode c) Data block d) Replication 31. Point out the correct statement. a) DataNode is the slave/worker node and holds the user data in the form of Data Blocks b) Each incoming file is broken into 32 MB by default c) Data blocks are replicated across different nodes in the cluster to ensure a low degree of fault tolerance d) None of the mentioned 32. HDFS works in a __________ fashion. a) master-worker b) master-slave c) worker/slave d) all of the mentioned 33. ________ NameNode is used when the Primary NameNode goes down. a) Rack b) Data c) Secondary d) None of the mentioned 34. Point out the wrong statement for HDFS. a) Replication Factor can be configured at a cluster level (Default is set to 3) and also at a file level b) Block Report from each DataNode contains a list of all the blocks that are stored on that DataNode c) User data is stored on the local file system of DataNodes d) DataNode is aware of the files to which the blocks stored on it belong to

35. Which of the following scenario may not be a good fit for HDFS? a) HDFS is not suitable for scenarios requiring multiple/simultaneous writes to the same file b) HDFS is suitable for storing data related to applications requiring low latency data access c) HDFS is suitable for storing data related to applications requiring low latency data access d) None of the mentioned

36. Amazon DynamoDB is a fully managed proprietary? A. Centralised database B. Commercial database C. NoSQL database D. Relational database

37. How many types of primary keys does DynamoDB supports? A. 2 B. 3 C. 4 D. 5

38. Which index that has the same partition key as the base table, but a different sort key? A. Global secondary index B. Local secondary index C. Both A and B D. None of the above

39. How many attributes does DynamoDB allows? A. 5 B. 10 C. 15 D. 20

40. In Action Data Types, which represents key table and index schema? A. Capacity B. AttributeDefinition C. PutRequest D. TableDescription

41. DynamoDB does not supports Null values. A. TRUE B. FALSE C. Can be true or false D. Can not say

42. Apache HBase is a non-relational database modeled after Google’s _________ •

A.BigTop

•

Bigtable

•

Scanner

•

FoundationDB 43. Which among the following runs on top of HDFS and provides BigTable (Google) like capabilities to Hadoop.

•

HBase

•

HIve

•

Pig

•

HCatalog 44. While

writing to HBase using the Mapreduce tasks, each reduces tasks

writes to • •

One region Two region

•

All the relevant regions

•

No regions 45. Hbase is what type of database?

•

Schema-rigid

•

Schema-flexi

•

Schema-less

•

Not a database 46. HBase is a distributed ________ database built on top of the Hadoop file system. a) Column-oriented b) Row-oriented c) Tuple-oriented d) None of the mentioned

47. Point out the correct statement. a) HDFS provides low latency access to single rows from billions of records (Random access) b) HBase sits on top of the Hadoop File System and provides read and write access c) HBase is a distributed file system suitable for storing large files d) None of the mentioned 48. The _________ Server assigns regions to the region servers and takes the help of Apache ZooKeeper for this task. a) Region b) Master c) Zookeeper d) All of the mentioned

49. Stages/steps of a Business Continuity Plan (BCP) include: A. B. C. D. E.

Get started and Identify business requirements Determine recovery speed and Deal with gaps Maintain the program All of the above

50. What is the business continuity plan (BCP) that focuses on the recovery of a damaged facility or components back to normal day-to-day operations? A. Cyber Incident Response Plan B. Disaster Recovery Plan C. Crisis Communications Plan D. Occupant Emergency Plan

51. Point out the wrong statement. a) Abstraction enables the key benefit of cloud computing: shared, ubiquitous access b) Virtualization assigns a logical name for a physical resource and then provides a pointer to that physical resource when a request is made c) All cloud computing applications combine their resources into pools that can be assigned on demand to users d) All of the mentioned 52. Which of the following type of virtualization is also characteristic of cloud computing? a) Storage b) Application c) CPU d) All of the mentioned UNIT-I Q.01 which is false for Cloud computing A. Cloud computing is a computing paradigm shift where computing is moved away from personal computers or an individual application server to a “cloud” of computers. B. Users of the cloud only need to be concerned with the computing service being asked for, as the underlying details of how it is achieved are hidden. C. This method of distributed computing is done through pooling all computer resources together and being managed by software rather than a human. D. Cloud Computing is used for only storing the data in the database and use in the applications. Q.02 Distributed Computing model follows the following model A. Multiple CPUs within a shared memory machine B. Multiple machines with own memory connected over a network C. Multiple machines with pipelining architecture D. Multiple machines with central database and central computing facility Q.03 which is not true for cloud computing A. Cloud computing is a novel platform for computing and storage. B. Cloud computing provisions and configures servers as needed. C. It allows for more efficient use of the enterprise resources and applications.

D. It will not take accountability and streamlines computing needs of an enterprise. Q.04 Virtualization is the Characteristic of Cloud Computing associated to A. Physical location and underlying infrastructure details are transparent to users B. Able to break complex workloads into pieces to be served across an incrementally expandable infrastructure C. Services Oriented Architecture for dynamic provisioning of shared compute resources D. Can serve a variety of workload types – both consumer and commercial Q.05 Scalability is the Characteristic of Cloud Computing associated to A. Physical location and underlying infrastructure details are transparent to users B. Able to break complex workloads into pieces to be served across an incrementally expandable infrastructure C. Services Oriented Architecture for dynamic provisioning of shared compute resources D. Can serve a variety of workload types – both consumer and commercial Q.06 Efficiency is the Characteristic of Cloud Computing associated to A. Physical location and underlying infrastructure details are transparent to users B. Able to break complex workloads into pieces to be served across an incrementally expandable infrastructure C. Services Oriented Architecture for dynamic provisioning of shared compute resources D. Can serve a variety of workload types – both consumer and commercial Q.07 Flexibility is the Characteristic of Cloud Computing associated to A. Physical location and underlying infrastructure details are transparent to users B. Able to break complex workloads into pieces to be served across an incrementally expandable infrastructure C. Services Oriented Architecture for dynamic provisioning of shared compute resources D. Can serve a variety of workload types – both consumer and commercial Q.08 Google Apps, Salesforce.com, WebEx are referred as following in cloud computing A. software-as-a-service B. platform-as-a-service C. Infrastructure-as-a-service D. Identity-as-a-service Q.09 SaaS Maturity Model is A. only Ad-Hoc/Custom – One Instance per customer B. only Configurable per customer C. only configurable & Multi-Tenant-Efficient

D. Scalable, Configurable & Multi-Tenant-Efficient Q.10 AWS Elastic Beanstalk, Windows Azure, Heroku, Force.com, Google App Engine, Apache Stratos. are all the examples of A. software-as-a-service B. platform-as-a-service C. Infrastructure-as-a-service D. Identity-as-a-service Unit : 02 Q.01 Google File system (GFS) cluster has not following component A. GFS client B. GFS Master C. GFS clock D. GFS chunckserver Q.02 Google File system (GFS) is A. a distributed file system that support large-scale data processing workloads on commodity hardware B. has different points in the design space C. has the simple, centralized master that does not become a bottleneck D. All of the above Q.03 what is the following is true for Google file system A. GFS was co-designed with the applications using it B. GFS has Very large number of random writes C. Most files contain very few application objects (web pages) D. Component failures are the exception Q.04 what is the following is not true for Google file system A. Built from cheap commodity hardware B. Expect large files: 100MB to many GB C. Support large streaming reads and small random reads D. Sustain low bandwidth by writing data in bulk Q.05 IN Google file system chunks are replicated A. At least three times B. At Most three times C. At all the nodes only once D. At alternative nodes only once Q.06 Single master server of Google file system Store’s chunk-related metadata A. Not a snapshot of files

B. Origin of chunk replicas C. The files they could not make up D. Tables mapping the 64-bit labels to chunk locations Q.07 Single master server Also controls A. Lease management B. Garbage collection of orphaned chunks C. Chunk migration between chunk servers D. All of the above Q.08 Google File System provides fault tolerance A. Replicating data B. Fast and automatic recovery C. Chunk replication D. All of the above Q.09 what is the following in not the feature of HDFS A. Highly fault-tolerant B. High throughput C. Not Suitable for applications with large data sets D. Streaming access to file system data Q.10 HDFS data nodes A. serves read upon instruction from Namenode. B. write requests upon instruction from Namenode. C. performs block creation upon instruction from Namenode. D. All of the above Q.11 Namenode in HDFS will A. Not Keeps image of entire file system namespace and file Blockmap in memory. B. No Periodic checkpointing is done C. at least 10GB of local RAM is sufficient to support the above data structures that represent the huge number of files and directories. D. it gets the FsImage and Editlog from its local file system Q.12 The necessity for re-replication in HDFS may arise due to A. A Datanode are always available B. A replica may become corrupted C. A hard disk on a Datanode may never fail D. The replication factor on the block may be decreased Q.13 in HDFS data blocks A. support write-once-read-many with reads at streaming speeds.

B. typical block size is 64MB (or even 128 MB). C. A file is chopped into 64MB chunks and stored. D. All of the above Q.14 HDFS does not support following API A. Java API B. Python access is also used in many applications. C. A C language wrapper for Java API is also available. D. all the above API but not A HTTP browser can be used to browse the files of a HDFS instance. Q.15 Chubby in Google bigtable A. Locking service B. Naming Service C. Both of the above D. Non of the above Q.16 Google Bogtable support A. Minor compaction B. Merging compaction C. Major compaction D. All of the above Q.17 What is Not True for HBASE A. distributed row-oriented data store B. built on top of HDFS C. HBase is an Apache open source project D. Data is logically organized into tables, rows and columns Q.18 when to use HBASE A. You need random read, Random Write or both B. You need to do multiple TB of data operation C. Your access pattern are well known and simple D. All of the above Q.19 Amazon web services use the following data store A. HBASE B. BigTable C. DynamoDB D. SQLDB Unit : 03

Q.01 Virtualization is A. the abstraction of computer resources. B. increase of Memory C. Increase of computational speed D. Create new operating system Q.02 What is true for Hypervisor from the following A. a software program that manages multiple operating systems B. manages the system's processor, memory, and other resources to allocate what each operating system requires. C. Hypervisors are designed for a particular processor architecture and may also be called virtualization managers. D. All of the above

Q.03 which of the following is wrong related Benefits of Virtualization A. Sharing of resources helps cost reduction B. Virtual machines encapsulate a complete computing environment C. Virtual machines totally dependent on underlying hardware D. Virtual machines can be migrated between different hosts. ANSWER:C Q.04 Vmware esx A. Full virtualization B. Para virtualization C. Both of the above D. None of the above ANSWER:A Q.05 Why Virtual Machines? A. Operating system diversity B. Security/Isolation C. Rapid provisioning D. All of the above ANSWER:D Q.06 S/W emulation and Binary translation used in A. Virtualizing CPU B. Virtualizing memory C. Virtualizing IO D. Virtualizing Network ANSWER:A

Q.07 Shadow page table used in A. Virtualizing CPU B. Virtualizing memory C. Virtualizing IO D. Virtualizing Network ANSWER:B Q.08 S/W emulation and Direct assignment used in A. Virtualizing CPU B. Virtualizing memory C. Virtualizing IO D. Virtualizing Network ANSWER:C Q.09 Full device emulation is the first approach for A. Virtualizing CPU B. Virtualizing memory C. Virtualizing IO D. Virtualizing Network ANSWER:C...