Question 1

Which of the following ECS instance configurations can't be changed if we don't change instance type?

Accepted Answer

A)  Mem size 
B)  System disk size 
C)  Data disk size 
D)  Number of data disk 
A)  Mem size 
B)  System disk size 
C)  Data disk size 
D)  Number of data disk

Question 2

As a cloud computing service provider, Alibaba Cloud provides security services including ______. (Choose two.)

Accepted Answer

A)  Security operation for underlying hardware of cloud computing. 
B)  Application maintenance in ECS instances. 
C)  Security isolation between cloud computing tenants. 
D)  IP white list setting for RDS. 
A)  Security operation for underlying hardware of cloud computing. 
B)  Application maintenance in ECS instances. 
C)  Security isolation between cloud computing tenants. 
D)  IP white list setting for RDS.

Question 3

What is the full name of ECS?

Accepted Answer

A)  Elastic Compute Service 
B)  Elastic Computing Server 
C)  Elastic Cost Server 
D)  Elastic Communication Server 
A)  Elastic Compute Service 
B)  Elastic Computing Server 
C)  Elastic Cost Server 
D)  Elastic Communication Server

Question 4

Which of the following scenarios is applicable to use RDS read-only instances?

Accepted Answer

A)  Reduces the write pressure on the RDS primary instance. 
B)  Reduces the read pressure on the RDS primary instance. 
C)  Implements data backtracking for the last two days. 
D)  Improves RDS storage capabilities. 
A)  Reduces the write pressure on the RDS primary instance. 
B)  Reduces the read pressure on the RDS primary instance. 
C)  Implements data backtracking for the last two days. 
D)  Improves RDS storage capabilities.

Question 5

An enterprise hosts their servers (include both Linux and Windows servers) in a traditional IDC. Every night hackers with IP addresses from many countries try to crack the password of their servers, making the administrator terribly worried about this. However, because of work requirements, the remote management port of these servers must be opened to public network. The administrator heard that Alibaba Cloud has solutions that can help customers improve the security of their systems. Therefore, he/she wants to migrate the system to Alibaba Cloud. Which of the following functions should the administrator activate in Alibaba Cloud to reduce the possibility of brute force password cracking?

Accepted Answer

A)  CloudMonitor 
B)  Server Guard 
C)  Anti-DDoS Basic Service 
D)  Situation Awareness 
A)  CloudMonitor 
B)  Server Guard 
C)  Anti-DDoS Basic Service 
D)  Situation Awareness

Question 6

___________________ is a ready-to-use service that seamlessly integrates with Elastic Compute Service (ECS) to manage varying traffic levels without manual intervention.

Accepted Answer

A)  Server Load Balancer 
B)  OSS 
C)  RDS 
D)  VPC 
A)  Server Load Balancer 
B)  OSS 
C)  RDS 
D)  VPC

Question 7

You can retrieve data directly from an ECS Image and use it right away.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following statements about file uploading to OSS strategy is not correct?

Accepted Answer

A)  All file uploading method provided by Alibaba Cloud OSS service will support resuming from break point. 
B)  If you are uploading some small files (<1m), you can choose using put method to be able finish uploading in one http request. 
C)  If you are using OSS to store some log files which are continuously being updated, you better choose streaming method to be able to append to one existing object instead of overwriting. 
D)  If you need to upload very large file you better use multi-part uploading to get the capability of resuming from break point. 
A)  All file uploading method provided by Alibaba Cloud OSS service will support resuming from break point. 
B)  If you are uploading some small files (<1m), you can choose using put method to be able finish uploading in one http request. 
C)  If you are using OSS to store some log files which are continuously being updated, you better choose streaming method to be able to append to one existing object instead of overwriting. 
D)  If you need to upload very large file you better use multi-part uploading to get the capability of resuming from break point.

Question 9

Alibaba Cloud CDN can directly accelerate the access to the files stored in OSS and reduce OSS traffic costs.

Accepted Answer

A) True 
 B)False

Question 10

You can __________________ an ECS instance's configuration. (Choose two.)

Accepted Answer

A)  upgraded 
B)  downgraded 
C)  downloaded 
D)  uploaded 
A)  upgraded 
B)  downgraded 
C)  downloaded 
D)  uploaded

Question 11

Server Load Balancer can manage sudden spikes in traffic, minimize response time and maintain 99.99% availability of your web application.

Accepted Answer

A) True 
 B)False

Question 12

___________ feature in Server Load Balancer means that it can forward the access requests from a single user to the same ECS instance within a certain period to ensure session continuity.

Accepted Answer

A)  session persistence 
B)  health check 
C)  Weighted Round Robin 
D)  least connections scheduling 
A)  session persistence 
B)  health check 
C)  Weighted Round Robin 
D)  least connections scheduling

Exam 1: ACA Cloud Computing Certification Exam

Which of the following ECS instance configurations can't be changed if we don't change instance type?

As a cloud computing service provider, Alibaba Cloud provides security services including ______. (Choose two.)

What is the full name of ECS?

Which of the following scenarios is applicable to use RDS read-only instances?

___________________ is a ready-to-use service that seamlessly integrates with Elastic Compute Service (ECS) to manage varying traffic levels without manual intervention.

You can retrieve data directly from an ECS Image and use it right away.

Which of the following statements about file uploading to OSS strategy is not correct?

Alibaba Cloud CDN can directly accelerate the access to the files stored in OSS and reduce OSS traffic costs.

You can __________________ an ECS instance's configuration. (Choose two.)

Server Load Balancer can manage sudden spikes in traffic, minimize response time and maintain 99.99% availability of your web application.

___________ feature in Server Load Balancer means that it can forward the access requests from a single user to the same ECS instance within a certain period to ensure session continuity.

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