1) What are the advantages of using cloud computing?
The use of cloud computing has the following advantages:
a) Backup data and store data
b) Powerful server function
c) SaaS (software as a service)
d) Information technology sandbox function
e) Improve productivity
f) Cost-effective and save time
2) Can you list which platforms are used for large-scale cloud computing?
Platforms used for large-scale cloud computing include:
a） Apache Hadoop
b） MapReduce
3) Can you explain the different modes used for cloud computing deployment?
Different cloud computing deployment modes include:
a) Private cloud
b) Public cloud
c) Community cloud
d) Hybrid cloud
4) What is the difference between cloud computing and mobile computing?
Mobile computing uses the same concepts as cloud computing. With the help of the Internet instead of a single device, cloud computing becomes active because of data. It provides users with data that needs to be obtained on demand. In mobile computing, applications run on remote servers, providing users with access to stored data.
5) How can users benefit from utility computing?
Public computing allows users to pay only for the resources they use. It is a plug-in managed by an enterprise organization that decides which type of service to deploy from the cloud.
Most business organizations favor hybrid strategies.
6) Since data is transmitted in the cloud, how do you ensure data security?
To ensure data security during the transmission of data from one place to another, you must ensure that the encryption key used for the data you send has not been leaked.
7) What are the security measures of cloud?
a) Identity management: authorized application services.
b) Access control: Grant permissions to users so that users can control the access of another user who enters the cloud environment.
c) Authentication and authorization: Only authorized and authenticated users are allowed to access data and applications.
8) Can you list the different layers that define the cloud architecture?
8) The different layers used in cloud architecture include:
a) CLC stands for Cloud Controller
b) Walrus
c) Cluster Controller
d) SC stands for Storage Controller
e) NC stands for Node Controller
9) What is the role of the cloud computing system integrator?
In cloud computing, system integrators are responsible for formulating strategies for the complex process used to design cloud platforms. Integrators need to build more accurate hybrid and private cloud networks, because integrators have all the knowledge of data center construction.
10) What is the full name of "EUCALYPTUS"?
"EUCALYPTUS" stands for flexible public computing architecture that connects your programs to practical systems.
11) Can you explain the use of "EUCALYPTUS" in cloud computing?
Eucalyptus is an open source software infrastructure in cloud computing, which is used to implement clusters on cloud computing platforms. It is used to build public clouds, hybrid clouds and private clouds. It can turn your own data center into a private cloud, and allows you to apply its functions to many other enterprise organizations.
12) What are the requirements of the virtualization platform when implementing the cloud?
The requirements of the virtualization platform when implementing the cloud include:
a) Manage service level policies
b) Cloud operating systems
c) Virtualization platforms help to make back-end level concepts and user level concepts different from each other.
13) Before using the cloud computing platform, what are the necessary aspects that users need to consider?
a) Compliance
b) Data loss
c) Data storage
d) Business continuity
e) Uptime
f) Cloud computing data integrity
14) Can you list several open source cloud computing platform databases?
Open source cloud computing platform databases are:
a） MongoDB
b） CouchDB
c） LucidDB
15) What security regulations have been implemented to protect the security of cloud data?
Security regulations implemented to protect cloud data security include:
a) Processing: Control the data that is correctly and completely processed in the application.
b) File: It manages and controls the data processed in any file.
c) Output reconciliation: It controls the data that needs to be reconciled between input and output.
d) Input verification: control input data.
e) Security and backup: It provides security and backup, and also controls the security leak log.
16) Can you list the database names of several large cloud providers?
a) Google bigtable
b) Amazon simpleDB
c) Cloud-based SQL
17) Can you explain the difference between cloud and traditional data center?
a) Due to heating and hardware/software issues, the cost of traditional data centers is relatively high.
b) When demand increases, the cloud can expand resources. Most of the expenditure is spent on the maintenance of the data center, which is not the case with cloud computing.
18) Can you explain the different models of software as a service (SaaS)?
a) Simple multi-tenant mode: In this mode, each user has independent resources and is separated from other users. This is an efficient mode.
b) Fine-grained multi-tenant mode: In this mode, resources are shared by many tenants, but the functions are still the same.
19) What is the use of API in cloud services?
API (application programming interface) is very useful in cloud platform
a) It is not necessary to write a fully functional program.
b) Provides instructions to communicate between one or more applications.
c) Easy to build applications and link cloud services with other systems.
20) What different data centers are deployed for cloud computing?
Cloud computing includes different data centers, such as
a) Containerized data center
b) Low-density data center
21) What are the different layers in cloud computing?
The different layers of cloud computing include:
a) SaaS: Software as a service, which allows users to directly access cloud applications without having to install anything on the system.
b) IaaS: Infrastructure as a service, which provides infrastructure from the level of hardware (such as memory and processor speed, etc.).
c) PaaS: Platform as a service, which provides a cloud application platform for developers.
22) How important is platform as a service?
Platform as a service (PAAS) is a very important layer in cloud computing. It provides an application platform for providers. It is responsible for providing full virtualization of the infrastructure layer, making it run like a single server.
23) What is cloud service?
Cloud services are used to build cloud applications through the Internet, using servers in the network. It provides this convenience: you do not need to install the cloud application on your computer, you can use it directly. It also reduces the work of maintaining and supporting applications developed using cloud services.
24) Can you list the three basic clouds in the cloud computing field?
A) Professional cloud
B) Private cloud
C) High-performance cloud
25) In terms of infrastructure as a service, what resources does it provide?
IAAS (Infrastructure as a Service) provides virtual and physical resources for building the cloud. It is responsible for the complexity of deploying and maintaining the services provided by this layer. Here, the infrastructure is servers, storage systems and other hardware systems.
26) What are the business benefits of cloud architecture?
The benefits of cloud architecture include:
a) No infrastructure investment required
b) Timely infrastructure
c) More efficient use of resources
27) What are the characteristics of cloud architecture that are different from traditional architecture?
Features that distinguish cloud architecture from traditional architecture include:
a) According to the demand, the cloud architecture meets the hardware requirements.
b) Cloud architecture can increase or decrease resources as needed.
c) Cloud architecture can manage and process dynamic workloads smoothly.
28) Can you list the difference between elasticity and scalability in cloud computing?
Scalability is a feature of cloud computing; with scalability, as long as the resource capacity is increased correspondingly, the increased workload can be handled. As another feature of cloud computing, elasticity emphasizes the concept of enabling and disabling huge resource capacity.
29) Can you list the services provided by Window Azure operating system?
Window Azure provides three core services, including:
a) Computing service
b) Storage service
c) Management service
30) In the cloud architecture, what are the different parts required?
a) Cloud inbound
b) Processor speed
c) Cloud storage service
d) Cloud provider service
e) Inter-cloud communication
31) In the cloud architecture, what are the different stages experienced?
a) Start-up phase
b) Monitoring phase
c) Shut-down phase
d) Clean-up phase
32) Can you list the basic characteristics of cloud computing?
a) Elasticity and scalability
b) Self-service configuration and automatic de-configuration
c) Standardized interface
d) Self-service billing usage mode
33) In the cloud architecture, what are the basic building blocks?
a) Reference architecture
b) Technical architecture
c) Deployment operation architecture
34) Can you describe how the cloud architecture provides automation and performance transparency?
To provide performance transparency and automation, cloud architecture uses many tools. It can manage cloud architecture and monitoring reports. It can also share applications using cloud architecture. Automation is a key part of cloud architecture and helps improve quality levels.
35) Can you explain the role of high-performance cloud in cloud computing?
High-performance clouds are useful for transferring the maximum amount of data immediately. Professionals engaged in high-performance computing research often use high-performance clouds.
36) Can you explain hybrid cloud and community cloud?
Hybrid cloud: Hybrid cloud includes multiple service providers. It combines the functions of public cloud and private cloud. When companies need both private and public clouds, they use hybrid clouds.
Community cloud: The cost of this model is quite high; when multiple enterprise organizations have common goals and needs, and are ready to share the advantages of cloud services, they will use community cloud.
37) In the cloud, what are the optimization strategies?
In order to overcome maintenance costs and optimize resources, the concept of three data centers in the cloud is used: a recovery and backup mechanism is provided to ensure that all data is safe and sound in the event of a disaster or system failure.
38) What is Amazon SQS?
In order to communicate between different connectors, Amazon SQS message is used; it acts as a "contact person" in different components of Amazon.
39) How is the buffer used in Amazon Web Services?
In order to make the system more efficient in dealing with sudden increases in traffic or load, providers use buffers. The buffer can synchronize different components. Components always receive and process requests in an unbalanced way. The balance between the different components is managed by the buffer so that they can work at the same speed to provide faster service.
40) Can you describe the hypervisor and its types in cloud computing?
The hypervisor is a virtual machine monitoring tool that manages resources for the virtual machine. There are two main types of hypervisors.
Type 1: Guest virtual machines run directly on the host hardware, such as Xen and VMWare ESXI.
Type 2: Guest virtual machines run on hardware through the host operating system, such as KVM and Oracle VirtualBox.