Alibaba Cloud Professional ACP-Cloud1 Real Exam Questions 2024

An Alibaba cloud RDS read only instance has its data synchronized from the master instance. Which of the following be performed by the read only instance from the RDS management console?

Backup policy configuration and manual backup

Database creation or deletion

Editing its own whitelist

Account authorization and account password changing

Which of the following statements is NOT correct, when comparing RDS with a self-built database?

RDS features a high availability of 99.95% while self-built databases require you to implement data protection, primary-standby replication, and RAID all by yourself.

RDS provides automatic backup while self-built databases require you to prepare storage space for backup copies and regularly verify that these copies can be restored.

Self-built database support quick deployment and elastic scaling.

RDS requires no 0&M while self-built database require a dedicated DBA for maintenance, which results in high HR costs.

In Alibaba Cloud Object Storage, users want to use graphical tools to upload and download object files. Which tools can they use?

ossbrowser

ossutil

osscmd

ossfs

Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured and cost-effective storage service. One of the special characteristics of OSS is its superior data reliability, because of its underlying backup technology and policies. Which of the following statements about OSS backup is correct?

OSS supports 3 internal data copies, so the data can be manually recovered should there be any problem.

o B. Customer has to safeguard their own data. OSS provides various backup interfaces to facilitate offsite backups.

OSS leverages RAID0+1 configuration of its underlying physical hard disks. There is no impact even if 2 hard disks were to fail simultaneously.

OSS supports 3 internal data copies, no human intervention is required to recover the data when anything goes wrong.

When using Auto Scaling, you want to add/remove ECS instances based on the utilization rate of computing resources. For example, you want to remove one ECS instance when the average CPU utilization rate is not greater than 30%. In this case, you need to set the scaling rule "Remove 1 ECS instance" and to finish the configuration.

Create a scaling configuration

Configure the attributes of the scaling group

Create a Scheduled task

Create an Event-triggered task

For Alibaba Cloud ECS instances in a VPC, you can configure Resource Access Management settings on ECS instances through Security Group. Which of the following statements is correct?

A security group can contain ECS instances of different VPCs in the same zone.

A security group can contain ECS instances of different VPCs in the same region.

A security group can only contain ECS instances of the same VPC in the same zone.

A security group can contain ECS instances of the same VPC in the same region.

Company G developed a shopping App. The system is constructed based on Alibaba Cloud products. They use Elastic Compute Service (ECS) instances and Object Storage Service (OSS) in North China 1 region, and store static web pages and images on OSS. After the App went online, the access speed in mainland China is acceptable. Recently, the company decided to expand to the U.S. market and requires an acceptable access speed too for U.S. users. To address this requirement, company G should select Alibaba Cloud ___ service.

Enabling Object Storage Service (OSS) in West US region with Content Delivery Network (CDN) in North China 2 regions

Enabling Object Storage Service (OSS) in North China 1 region with Content Delivery Network (CDN) accelerating West US (Silicon Valley) region

Enabling Auto Scaling and more Elastic Compute Service (ECS) instances

Enabling Auto Scaling and Content Delivery Network (CDN)

If an administrator often needs to manage multiple ECS instances in an Alibaba Cloud VPC through the Internet. Which of the following solutions can meet this need at low costs and without affecting system security.

Modify the VPC Security Group policy, to allow access from the Internet.

None of these answers are correct.

Bind an ElP to each of the ECS instances, and log on to each of these ECS instances to manage them.

Choose an ECS instance from VPC and make it as the bastion host. And then, apply an EIP and bind it to this ECS instance. After that, the administrator can manage other ECS instances through this bastion host.

Which of the following statements about 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 on the number of objects inside a bucket

10.

A company uses Alibaba Cloud SLB with a layer 7 Listener and Auto Scaling at the same time, hoping this combination can help reduce 0&M costs and provide a stable and reliable system. However, because they do not have experience with Alibaba Cloud, the company's engineers listed some precautions they think they should take, and have given you the list to ask for your advice. As an Alibaba Cloud expert, you tell them that only is a valid concern.

SLB instances must have Health Check enabled, or they cannot be used together with Auto Scaling

All ECS instances under the same SLB instance must be running the same operating system

All backend servers under the same SLB instance must be in the same Scaling Group

All backend servers under the same SLB instance must have the same configuration

11.

An insurance company has more than 200,000 online orders per day on their platform. In the past one year, the platform has suffered frequent large volume DDoS attacks (exceeding 10 Gbps). Which of the following Alibaba Cloud products can the customer use to defend against this type of attacks and ensure service availability?

Anti-DDoS Origin Basic Edition

Managed Security Service

Security Center

Anti-DDoS Pro or Premium Service

12.

Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. This service can automatically adjust _

Number of ECS instances

CPU for ECS instances

Memory size for ECS instances

Bandwidth for ECS instances

13.

You have bought an ECS instance on Alibaba Cloud. After deploying a Python environment on it, which of the following is the easiest and quickest way to monitor whether the Python process is running normally and report an alert if the process is accidentally terminated?

Write a script for monitoring by yourself.

Use process monitor of ECS instance monitoring.

Use site monitoring.

Log on to the ECS instance console.

14.

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

All file uploading method provided by Alibaba Cloud OSS service will support resuming from break point.

If you are uploading some small files(<1m), you can choose PUT method to finish uploading in one HTTP request.

If you are using OSS to store some log files which are continuously being updated, it's better to choose APPEND method instead of overwriting or generating new versions.

If you need to upload very large files it's better to use multi-part uploading to get the capability of resuming from break point.

15.

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 "Adjust to 10 ECS instances", and creates a scheduled task based on this rule. And then, the customer checks the scaling group and see it already contains 6 valid ECS instances, he/she then enables this scaling group immediately. How many ECS instance will be in the scaling group when the scheduled task is activated once?

16.

Which of the following statements is true for Alibaba Cloud RDS?

Multiple databases can be created for one instance.

Databases with the same name are allowed to be hosted on the same instance.

Physical host CPU and Memory resource are not shared among the common type of RDS instances.

All editions of RDS support HA mode

17.

Which of the following ports does RDS for MySQL listen on by default?

Port 8080

Port 3060

Port 3600

Port 3306

18.

Alibaba cloud Storage OSS can upload object files through the console. What is the largest object file uploaded ?

1GB

5GB

10GB

1TB

19.

Many websites have suffered DDoS attacks of different volumes. Therefore, accurate understanding of DDOS attacks is critical to website security protection. Which of the following statements about DDoS attacks is the MOST accurate?

DDoS attacks primarily target databases.

A DDoS attacks crack the server's logon password by means of a massive number of attempts.

The main purpose of a DDoS attack is to prevent the target server from providing normal services. Currently, the DDoS attack is one of the strongest and most indefensible website attacks.

The purpose of a DDoS attack is to steal confidential information.

20.

If you need to make the ECS instances under three Switches (inside the same Alibaba Cloud VPC) cannot access to each other, meanwhile, not affecting other Intranet connections in this VPC, what should you do?

Create three Security Groups, which respectively include all ECS instances under these three Switches. First, configure each of these Security Groups to allow access of all CIDR Blocks. Second, configure each of these Security Groups to forbidden the access of CIDR blocks of the other two Switches (given this rule with a higher priority than the previous rule).

Create three Security Groups, which respectively include all ECS instances under these three Switches. First, configure each of these Security Groups to allow access of all CIDR Blocks. Second, configure each of these Security Groups to forbidden the access of CIDR blocks of the other two VSwitches (given this rule with a lower priority than the previous rule).

Create one Security Group, which include all ECS instances under these three Switches. First, configure each of these Security Groups to allow access of all CIDR Blocks. Second, configure each of these Security Groups to forbidden the access of CIDR blocks of the other two VSwitches (given this rule with a higher priority than the previous rule).

None of these answers are correct.

21.

In Alibaba Cloud VPC, the device used for connecting each VSwitch is .

route table

Vrouter

ECS

SLB

22.

If you need to accelerate a certain domain name (such as abc.com) via Alibaba Cloud Content Delivery Network (CDN), you must add it to "CDN Domain Name List" in the CDN service. After added successfully, you will get a CNAME address A. Next, you need to modify domain name resolution and direct the domain name (such as abc.com) to CNAME address A. Which of the following is a NOT correct description of modifying domain name resolution?

The DNS service provider used by the domain name (such as abc.com) must support intelligent resolution.

The DNS service provider used by the domain name (such as abc.com) can be companies other than Alibaba Cloud.

If your domain name (such as abc.com) is transferred to Alibaba Cloud in advance, and managed by the same Alibaba Cloud account, you can perform one-step resolution modification.

The CNAME address allocated to the domain name (such as abc.com) will point to an IP address. This IP address resolving mechanism is intelligently managed by Alibaba Cloud CDN system.

23.

Which of the following is not the potential cause of latency on an RDS read-only instance?

The load on this read-only instance is significant.

There exists significant load on the ECS that is connected to this read-only instance.

The specification of this read-only instance is too low

This read-only instance's master instance is performing a lot of write operations.

24.

An online education website is built based on ECS, SLB and Auto Scaling, which greatly reduces resource cost, 0&M cost and without compromising system stability and user experience. Now, the website admin wants to keep the user information (such as source IP, accessed URLs, and duration on each page) for analysis to support their upcoming campaign events. In this case, which of the following statements is NOT correct?

Let each ECS instance in the scaling group keeps the user access information it processes. Thus, the data saved by these ECS instances can be accessed and analyzed at any time, making the solution not only simple, but also efficient, reliable, and cost-effective.

Save user-related access information to ApsaraDB for RDS in real time or quasi real time, which can then be used for performing query and analysis.

Synchronize user-related access information to ApsaraDB for Memcache in real time or quasi real time. Then, access Memeache using an application or make the data in Memcache persistent based on certain rules, and then can use the persistent data for further analysis.

Synchronize user-related access information to OSS in real time or quasi real time for further use.

25.

User A is the system administrator of a company, who often takes business trips to Shanghai. Each time he remotely logs on to the server in Shanghai, an alert is reported, prompting "Someone is remotely logging on to the server. Please pay attention to your server security". Which of the following methods can be used to quickly and automatically resolve this problem?

Open a ticket immediately to consult Alibaba Cloud engineers.

Ask the company leaders for help.

. Log on to Alibaba Cloud console, and add a frequent logon location to the Security Center configuration item.

Call a friend for help, who is a famous hacker in the industry.

26.

Alibaba Cloud ECS is a simple and efficient computing service. ECS helps you quickly deploy applications, improve your 0&M efficiency, and reduce IT cost. ECS belongs to this type of service __ .

SaaS (Software as a Service)

PaaS(Platform as a Service)

IaaS (Infrastructure as a Service)

DaaS(Data as a Service)

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Alibaba Cloud Professional ACP-Cloud1 Real Exam Questions 2024

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