Alibaba Cloud ACA-Cloud1 Real Exam Questions Test Engine Dumps Training With 74 Questions [Q32-Q54] : Free valid test braindumps : http://free.validbraindumps.com

NEW QUESTION 32
A company wants to use Alibaba Cloud service to replace their self-built database, which of the following services should it choose?

AsparaDB for RDS

Server Load Balancer (SLB)

Alibaba Cloud CDN (Content Delivery Network)

Deploy more ECS instances

NEW QUESTION 33
A video streaming company uses SLB to distribute user requests to 30 ECS instances (the 30 ECS instances have the same configuration). Yet, the company finds that the service traffic soars dramatically every night from 20:00 to 02:00. According to their calculation, the evening traffic is 100% higher than the traffic in other periods of time. To properly respond to user requests, which of the following methods is most preferred from the perspective of cost and implementation simplicity?

Create 30 ECS instances based on the custom image and add them to SL Then, configure weights for these ECS instances to respond to user requests every night from 20:00 to 02:00, and reset those weights to zero for other periods of time.

Configure Auto Scaling appropriately to automatically add or reduce ECS instances.

Configure Auto Scaling appropriately to automatically upgrade/downgrade the ECS instances.

Manually create 30 ECS instances using the custom image, and then add them to SLB every night before 20:00 and remove them after 02:00.

NEW QUESTION 34
Alibaba Cloud provides anti-DDoS products of different levels. If the service availability needs to be kept at 99.9% or higher under DDoS attacks, which of the following is the MOST suitable product?

Anti-DDoS Service Basic

Managed Security Service

Situation Awareness

Anti-DDoS Service Pro

NEW QUESTION 35
A customer uses Alibaba Cloud Auto Scaling service and creates a scaling group. He/she sets the “Minimum number of instances” to 6 and “Maximum number of instances” to 8.
After correctly configuring scaling settings, the customer adds a scaling rule “Remove 5 ECS instances”, and creates a scheduled task based on this rule.
And then, the customer checks the scaling group and see it already contains 8 valid ECS instances, he/she then enables this scaling group immediately.
How many ECS instances are left in the scaling group when the scheduled task is activated once?

One

Six

Zero

Five

NEW QUESTION 36
Server Load Balancer can help protect from attack.

DDoS

Virus

Ransomware

SQL injection

NEW QUESTION 37
If you are running an online ticket booking service with relatively fixed traffic, then which kind of charging mode is more suitable for you?

Pay-As-You-Go

Prepaid

Paypal-pay

bitcoin-pay

NEW QUESTION 38
You can create a custom image for ECS using which of the followings? (Choose two.)

Data disk snapshot

CPU snapshot

Memory snapshot

System disk snapshot

NEW QUESTION 39
Which of the followings are not the operations that you can do on a cloud disk snapshot? (Choose two.)

snapshot duplicate

snapshot rollback

snapshot download

snapshot deletion

NEW QUESTION 40
Some applications may encounter large traffic fluctuations within a short period. When ECS is used with
__________ , the number of ECS instances is automatically adjusted based on traffic.

Server Load Balancer

RDS

Auto Scaling

OSS

NEW QUESTION 41
In which of the following cases would you need to apply an ICP license? (Choose three.)

Accelerate your Overseas Website in China

Launch your website in China

Launch your online shop in China

Open your office in China

NEW QUESTION 42
A/Anis a copy of data on a disk at a certain point in time.

image

snapshot

template

EIP

NEW QUESTION 43
ECS is a highly flexible service. It can be used independently as a simple web server, or used with other Alibaba Cloud products, such as OSS and CDN, to provide advanced solutions. ECS can be used in applications such as:. (Choose four.)

Official corporate websites

large-traffic apps

Databases

simple web applications

no limited online storage

NEW QUESTION 44
Which of the following statements is true for RDS?

Multiple databases can be created in one RDS instance.

Databases with the same name are allowed in the same instance.

Resources are not shared among the databases in the same RDS instance.

None of the above is true.

NEW QUESTION 45
Which of the following statements to OSS bucket is not correct?

Every user can create more than one bucket

Bucket name can be changed after creation

Every bucket should have a unique name

There is no limitation to objects number inside one bucket

NEW QUESTION 46
Alibaba Cloud does not support Intranet communication between products that are not in the same region, which does not mean ______________?

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

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

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

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

NEW QUESTION 47
___________ 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.

session persistence

health check

Weighted Round Robin

least connections scheduling

NEW QUESTION 48
RDS for MySQL is a PaaS, which means after creating the RDS instance, the user does not need to take care of the underlying OS, runtime environment of software packages. These would be taken care of by Alibaba Cloud.

TRUE

FALSE

NEW QUESTION 49
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?

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

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

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

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.

NEW QUESTION 50
Which of the following statements is true for RDS?

Multiple databases can be created in one RDS instance.

Databases with the same name are allowed in the same instance.

Resources are not shared among the databases in the same RDS instance.

None of the above is true.

NEW QUESTION 51
ECS can be used along with ______ to store static images, videos, and reducing storage fees.

OSS

Server Load Balancer

RDS

VPC

NEW QUESTION 52
Alibaba Cloud’s object storage (Object Storage Service, OSS for short) can be used to store massive amount of files, but there is still a maximum number of files in a single bucket.

TRUE

FALSE

NEW QUESTION 53
As a cloud computing service provider, Alibaba Cloud provides security services including. (Choose two.)

Security operation for underlying hardware of cloud computing.

Application maintenance in ECS instances.

Security isolation between cloud computing tenants.

IP white list setting for RDS.

NEW QUESTION 54
Your friend purchases some Alibaba Cloud resources and uses them to build an online training website. Before the site goes online, your friend wants to perform some performance tests but doesn’t know how to do it. In this case, which of the following services can help?

After-Sales Support Service

Support Ticket Service

Load and Performance Testing Service

None Of The Above