Cloud Computing Quiz 3

1.The underlying hardware/software infrastructure is well exposed to its end users in the cloud environment

Select one:
True
False{correct}

2.The design decisions for a cluster based file systems are mostly related to how the data is distributed across the cluster and how it is managed

Select one:
True{correct}
False

3.Which of the following is/are true about MapReduce - a parallel programming model

for distributed computing framework?

Select one:
a. Mappers preferentially scheduled on same node or same rack as their input
block
b. Mappers save outputs to local disk before serving to reducers
c. Mapper tasks executes independently
d. All of the above{correct}
e. A & B above

4.MapReduce frame work may use local reduce functions for performance optimization

Select one:
True{correct}
False

5.Which of the following node in MapReduce architecture "Keeps track of resource usage of tasks and kills the tasks that overshoots their memory limits”?

Select one:
a. job tracker
b. task tracker{correct}
c. Both A and B
d. None of the above

6.In Google file system, a file is updated by appending new entries at any place within the file

Select one:
True
False{correct}

7.Which of the following is/are the examples of distributed file system(s)?

Select one:
a. Google File System (GFS)
b. Hadoop File System (HFS)
c. Hierarchical File System (HFS+)
d. A & B above {correct}
e. None of the above

8.MapReduce - a distributed programming framework, is suitable for all kinds of computational problems

Select one:
True
False{correct}

9.The minimum number of disks required to configure RAID 6?

Select one:
a. 2
b. 3
c. 4 {correct}
d. 6

10.Reduce task is a mandatory requirement in MapReduce parallel programming model of distributed computing framework

Select one:
True
False{correct}

11.Which of the following is true about MapReduce architecture, if a computing node crashes?

Select one:
a. Relaunch its current tasks on other nodes
b. Relaunch any maps the node previously ran
c. Both of the above{correct}
d. None of the above

12.The node that stores meta data in Hadoop distributed cluster is called as
Select one:
a. Master node
b. Namenode{correct}
c. Chunkserver
d. Chunknode

13.Multi-tenancy feature of the cloud can be implemented in which of the following cloud service(s)?

Select one:
a. SaaS
b. PaaS
c. IaaS
d. All of the above{correct}

14.The Fabric Controller of Windows Azure environment is ...

Select one:
a. a distributed program that manages the hardware and applications in a cluster internally used by Azure
b. used to assign the appropriate resources to an application
c. Both A & B{correct}
d. None of the above

15.In Windows Azure's blob service, block blobs are optimized for random read/write

operations anywhere in the content of the blob

Select one:
True
False{correct}

Cloud Computing Quiz 2

Question 1

In Eucalyptus cloud architecture, the entry point into the cloud for users and administrators is ---

Select one:
a. Cloud Controller{correct}
b. Node Controller
c. Cluster Controller
d. Storage Controller

Question 2

Any existing DHCP server of a company network can respond to the DHCP requests from the Node controller host(s) in Eucalyptus cloud computing architecture.

Select one:
True
False{correct}

Question 3

All Node Controllers associated with a single Cluster Controller may not be in the same subnet.

Select one:
True
False{correct}

Question 4

Amazon EBS service of AWS cloud computing architecture provides functionality similar to which of the following component of Eucalyptus architecture.

Select one:
a. Walrus
b. RAID
c. Storage Controller{correct}
d. Cluster Controller

Question 5

S3 is a hierarchical file system in Amazon cloud

Select one:
True
False{correct}

Question 6
Which cloud characteristic refers to the ability of a subscriber to increase or decrease its computing requirements as needed without having to contact a human representative of the cloud provider?

Select one:
a. Rapid elasticity
b. On-demand self service{correct}
c. Broad network access
d. Resource pooling

Question 7

The immediate provisioning scheme used in public clouds, where resources are provisioned at the moment they are requested, is ineffective in private clouds.

Select one:
True{correct}
False

Question 8

In cold VM migration technique, there is a requirement of certain CPU compatibility

Select one:
True
False{correct}

Question 9

Which of the following is an important requirement for applications to be accessible in the Cloud computing?

Select one:
a. The application should be compatible with the browser of the user's computer{correct}
b. The application should use the same programming language as the clients
c. The user should know on which server the application is located
d. The users identity should be known by the application

Question 10

Which of the following isn't an advantage of cloud computing?

Select one:
a. No worries about running out of storage
b. Easier to maintain a cloud network{correct}
c. Immediate access to computing resources
d. None of the above


Question 11

Instance storage by default attached to S3-backed instances

Select one:
True-{correct}
False

Question 12

Which among the following is considered the most widely used cloud computing service?

Select one:
a. Infrastructure-as-a-Service (IaaS)
b. Platform-as-a-Service (PaaS)
c. Communication-as-a-Service (CaaS)
d. Software-as-a-Service (SaaS){correct}

Question 13

Which of the following is DNS service in Amazon cloud computing?

Select one:
a. Route 51
b. Route 53{correct}
c. Route 61
d. Route 63

Question 14

EBS storage is persistent even if instance is terminated

Select one:
True{correct}
False

Question 15

Which of the following is not a component in Eucalyptus cloud architecture?

Select one:
a. Cluster Controller
b. System Controller{correct}
c. Cloud Controller
d. Storage Controller

Cloud Computing Quiz 1

1.Which of the following cloud computing deployment model is called as a "Enterprise Cloud”?

Select one:
 a. Private {correct}
 b. Community
 c. Public
 d. Hybrid

2."Cloud" in cloud computing represents?

Select one:
 a. Wireless
 b. Internet {correct}
 c. Users
 d. None of the above

3.Which of the following computing paradigms are similar in nature?

Select one:
 a. Personal computing, Mobile computing
 b. Ubiquitous computing, Pervasive computing{correct}
 c. Cluster computing, Reconfigurable computing
 d. None of the above

4.To which of the following you agree upon about virtualization technology of Cloud computing?

Select one:
 a. A virtual machine is more secure than a physical machine
 b. Virtualization made it simpler and cheaper to share resources between users{correct}
 c. Virtual machines may give greater performance than their physical counterparts
 d. Virtualization leads to better network utilization

5.Elastic IP Address in Amazon AWS refers to ------
Select one:
 a. IP Address is associated with user account{correct}
 b. IP Address is associated with VM
 c. Static IP address
 d. Dynamic IP address

6.In which of the following virtualization technique, hypervisor modifies guest OS?

Select one:
 a. Full virtualization
 b. Para virtualization {correct}
 c. Both A & B
 d. None of the above

7.What is Cloud Computing replacing?

Select one:
 a. Corporate data centers
 b. Expensive personal computer hardware
 c. Expensive software upgrades
 d. All of the above {correct}

8.Which one of these is not a cloud computing pricing model?

Select one:
 a. Free
 b. Pay Per Use
 c. Subscription
 d. None of the above{correct}

9."Cloud-bursting” is a term used in which of the following cloud computing deployment models?

Select one:
 a. Private
 b. Public
 c. Hybrid{correct}
 d. All of the above

10.Google Docs falls into which of the following type of cloud computing service?

Select one:
 a. Storage as a service
 b. SaaS{correct}
 c. PaaS
 d. IaaS

11.Which of the following provides content delivery network service?

Select one:
 a. Amazon CloudFront
 b. Akamai
 c. Both A & B{correct}
 d. None of the above

12.Which one of the following is a characteristic of grid computing?

Select one:
 a. Centralized Job management & scheduling
 b. Distributed Job management & scheduling{correct}
 c. Both of the above
 d. None of the above

13.In memory virtualization of cloud computing environment, shadow page tables are maintained by .....

Select one:
 a. Virtual Machine
 b. Hypervisor{correct}
 c. Both of the above
 d. None of the above

14.Which of the following service model of cloud allows the customer to access more layers in the computing architecture?

Select one:
 a. Software as a Service (SaaS)
 b. Platform as a Service (PaaS)
 c. Infrastructure as a Service (IaaS){corect}
 d. There is no difference between the service models

15.Which of the following widely used service(s) is/are built on cloud-computing technology?

Select one:
 a. Facebook
 b. Twitter
 c. YouTube
 d. All of the above{correct}