Cloud Computing Questions and Answers
Cloud Computing questions and answers focuses on all areas of Cloud Computing which will help to clear your doubts and prepare anyone easily towards Cloud Computing interviews, online tests, examinations and certifications.
Question 1
In Amdahl’S law, maximum speedup of a system can be achieved using the folowing parametres:
Select one:
A. Number of Processors and the amount of Memory System added
B. Number of Processors and the number of servers
C. Number of Processors and the number of nodes in a cluster
D. Number of Processors and fraction of application that needs sequential calculation
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The answer is: Number of Processors and fraction of application that needs sequential calculation
Question 2
Which is NOT a key aspect of multi tenancy?
Select one:
A. The offering of a high degree of configurability of the software
B. Tenants make use of a multiple applications and database instances.
C. Tenants make use of a single application and database instance.
D. The ability of the application to share hardware resources
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The answer is: Tenants make use of a multiple applications and database instances.
Question 3
Which is generally NOT a Multi-tenants Deployment Modes for Application Server
Select one:
A. Shared Application Server
B. Virtualized Application Server
C. Optimized Application Server
D. Fully isolated Application server
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The answer is: Optimized Application Server
Question 4
Which is one of these is a major issue or concern for the companies who are hesitant to move to the cloud services?
Select one:
A. Security
B. Performance
C. Cost
D. Availability
Feedback
The answer is: Security
Question 5
In
Which is typically NOT a Cloud Security Problem?
Select one:
A. Economic Denial of Services (EDOS)
B. Malware protection
C. Multi-tenancy architecture In
D. Data Comingling
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The answer is: Malware protection
Question 6
Which is NOT a step used to develop a threat model for cloud security problem
Select one:
A. Choose mitigation strategies
B. Rank the threats
C. Select the solutions based on security best practices
D. Identify attackers, assets, threats and other components
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The answer is: Select the solutions based on security best practices
Question 7
In cloud resource reservation of capacity, Advance Reservation leases are defined as:
Select one:
A. Which must start right now, or not at all
B. Which will wait in a queue until resources become available
C. Which has specific Start Time, End Time, duration In
D. Which must start at a specific time
Feedback
The answer is: Which must start at a specific time
Question 8
Best-effort preemptable leases are generally defined as:
Select one:
A. A preemptable lease cannot be safely paused without disrupting the computation that takes place inside the lease
B. A preemptable lease can be paused while disrupting the computation that takes place inside the lease
C. A preemptable lease can be safely paused without disrupting the computation that takes place inside the lease
D. Best effort lease cannot preempted
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The answer is: A preemptable lease can be safely paused without disrupting the computation that takes place inside the lease
Question 9
Which of the following is most refined and restrictive service model?
Select one:
A. PaaS
B. All of the mentioned
C. IaaS
D. CaaS
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The answer is: PaaS
Question 10
All cloud computing applications suffer from the inherent _______ that is intrinsic in their WAN connectivity.
Select one:
A. All of the mentioned
B. noise
C. Propagation
D. latency
Feedback
The answer is: latency
Question 11
Multitenancy in cloud has advantages such as:
i) Infrastructure sharing ii) Maintenance cost sharing iii) Privacy iv) Freedom
Select one:
A. i & iii
B. i & ii
C. i, ii, iii & iv
D. i, ii & iii
Feedback
The answer is: i & ii
Question 12
Which is generally NOT a Software As A Service (SaaS)?
Select one:
A. Software delivered to home consumers, small business, medium and large business over a network.
B. The applications are hosted by a vendor or service provider and made available to customers over a network, typically the Internet.
C. Software is purchased for and installed on personal computers.
D. The software service deployed as a hosted service and accessed over the Internet, as opposed to on-premise.
Feedback
The answer is: Software is purchased for and installed on personal computers.
Question 13
Most security problems in cloud stem from
i) Loss of Control ii) Lack of trust iii) Multi-tenancy iv) Private cloud
Select one:
A. ii, iii & iv
B. i, ii & iii
C. i, iii & iv
D. i, iii & iv
Feedback
The answer is: i, ii & iii
Question 14
In
If virtualization occurs at application level, OS level and hardware level, then such service in cloud is
Select one:
a. SaaS
b. IaaS In
c. no such service
d. PaaS
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The answer is: SaaS
Question 15
Appear IQ, Mendix, Amazon Web Services (AWS) Elastic Beanstalk, Google App Engine and Heroku, are some of the example of providing services for:
Select one:
a. IaaS
b. PaaS
c. SaaS
d. None
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The answer is: PaaS
Question 16
For providing PaaS Google App Engine provides
Select one:
a. Automatic scaling and load balancing
b. Synchronous task queues for performing work outside the scope of a request
c. Independently operates without support from Google cloud services and APIs
d. Triggering events at ad-hoc intervals for accomplishing Scheduled tasks
Feedback
The answer is: Automatic scaling and load balancing
Question 17
Order of Virtual Machine Life Cycle
i) Release Ms ii) IT Service Request iii) VM in operation iv) VM Provision
Select one:
a. ii, iii, iv & i
b. ii, i, iii, iv
c. i, ii, iii & iv
d. ii, iv, iii & i
Feedback
The answer is: ii, iv, iii & i
Question 18
In
Three Key pillars of Virtual Information Management are Networking, Virtualization and _____
Select one:
a. Image Management
b. Server Management In
c. User Management
d. Storage Management
Feedback
The answer is: Image Management
Question 19
Application SLAs are normally managed by
Select one:
a. Application Service Providers
b. Cloud Vendors
c. Managed Service Providers
d. Infrastructure Providers
Feedback
The answer is: Managed Service Providers
Question 20
Multi-tenancy deployment mode is
Select one:
a. Shared Virtual Server
b. All of the above
c. Virtualized Application Server
d. Shared Application Server
Feedback
The answer is: All of the above
Question 21
A threat model helps in
Select one:
a. Analysing security problems
b. All of the above
c. Design Mitigation strategies
d. Evaluate Solutions
Feedback
The answer is: All of the above
Question 22
Which one of the following statements is NOT with respect to scalling computation in cloud environment
Select one:
a. The challenge in scale out systems is the complex management of the infrastructure.
b. Scale out or horizontal scaling, is about expanding the compute resources by adding a new computer system or node
c. Scale up or vertical scaling is about adding more resources to a single node or a single system to improve performance
d. Scale out or horizontal scaling is about adding more resources to a single node or a single system to improve performance
Feedback
The answer is: Scale out or horizontal scaling is about adding more resources to a single node or a single system to improve performance
Question 23
In cloud resource reservation of capacity, Advance Reservation leases are defined as:
Select one:
A. Which has specific Start Time, End Time, duration In
B. Which must start right now, or not at all
C. Which will wait in a queue until resources become available
D. Which must start at a specific time
Feedback
The answer is: Which must start at a specific time
Question 24
Which one is NOT a purchase model of SaaS?
Select one:
a. Subscription
b. Rent
c. Purchase of licenses
d. Lease
Feedback
The answer is: Purchase of licenses
Question 25
Best-effort preemptable leases are generally defined as:
Select one:
A. A preemptable lease can be paused while disrupting the computation that takes place inside the lease
B. Best effort lease cannot be preempted
C. A preemptable lease can be safely paused without disrupting the computation that takes place inside the lease
D. A preemptable lease cannot be safely paused without disrupting the computation that takes place inside the lease
Feedback
The answer is: A preemptable lease can be safely paused without disrupting the computation that takes place inside the lease
Question 26
Which one of the following statements BEST describes the Immediate Leases in resources provisioning?
Select one:
A. This type of lease are mostly preemptable in nature
B. Where resources are provisioned when requested or not at all
C. Where the resources must be available at a specified time
D. Where resources are provisioned as soon as possible
Feedback
The answer is: Where resources are provisioned when requested or not at all
Question 27
How ‘Best-Effort Lease’ can be scheduled even if there are not enough resources?
Select one:
A. The use of Hypervisor suspension allows this to happen
B. The use of API allows this to happen
C. The use of Server suspension/resumption allows this to happen
D. The use of VM suspension/resumption allows this to happen.
Feedback
The answer is: The use of VM suspension/resumption allows this to happen.
Question 28
Which one is NOT a characteristic of High Availability System
Select one:
A. Balance between the Availability and Implementation cost
B. Defined by Service Level Agreement (SLA)
C. Defined by Operation Level Agreement (OLA)
D. HA goal is to meet SLA
Feedback
The answer is: Defined by Operation Level Agreement (OLA)
Question 29
In
Which one of the cases not impacting major system availability
Select one:
A. Service outage by unplanned downtime
B. Service performance degrade
C. Live migration of VM for load balancing
D. Service outage by planned downtime In
Feedback
The answer is: Live migration of VM for load balancing
Question 30
Which one is NOT a step for high availability system?
Select one:
a. Build for Zone failure
b. Build for City failure
c. Build for Server failure
d. Build for Cloud failure
Feedback
The answer is: Build for City failure
