Question 1

Auto Scaling is a management service that can automatically adjust elastic computing resources based on

your business needs and policies. It supports adding an existing ECS instance into the scaling group but

imposes certain requirements on instance region. In this case, which of the following statements is true?

Options :

A :

The instance and the scaling group must be in the same region but not necessarily the same zone.

B : The instance and the scaling group must be in the same region and zone

C :

The instance and the scaling group can be in different regions and zones.

D :

Each scaling group can span up to two regions. After adding the ECS instance, the number of regions of

all the ECS instances in the scaling group must be no greater than two.

Answer: B

Question 2

Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured and cost effective

storage service. OSS is superior than self-built storage in all these aspects. Which of the following

advantage relates to the high availability of OSS?

Options :

A :

Availability actually relies on the underlying hardware, which can break down easily. Once the hard disk

malfunctions, it can also lead to permanent data loss.

B :

Data Reliability is not less than 99.99999999%. Data is backed up automatically with multiple redundant

copies.

C : Data has to be backed up by customer manually, which is time-consuming and labor-intensive.

D :

The following features are available: Multiple Authentication and Authorization mechanism, Whitelist,

Anti-leech URL, and Master-Sub Account

Answer: B

Question 3

Which 2 OSS object types can be configured as parameter for object lifecycle management? (Choose two.)

Options :

A : Infrequent access

B : Snapshot

C : Archive

D : Chunk

Answer: A,C

Question 4

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

costs.

Options :

A : TRUE

B : FALSE

Answer: A

Question 5

Alibaba Cloud does not support Intranet communication between products that are not in the same region,
which does not mean ______________?

Options :

A : ECS instances in different regions cannot communicate with each other on the intranet.

B : ECS instances and other products in different regions, such as ApsaraDB for RDS and OSS instances,
cannot communicate with each other on the intranet.

C : Server Load Balancer cannot be deployed for ECS instances in various regions

D : Server Load Balancer can be deployed for ECS instances in various regions

Answer: B

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