[Mar 15, 2023] Pass Alibaba Cloud ACP-Cloud1 Exam Info and Free Practice Test
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Alibaba Cloud ACP-Cloud1 Exam Syllabus Topics:
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NEW QUESTION 28
The Alibaba Cloud CDN can directly accelerate access to the files stored in OSS and reduce OSS traffic costs.
- A. True
- B. False
Answer: A
NEW QUESTION 29
The backend server pool of an Alibaba Cloud SLB contains multiple ECS instances, which may have different service capacities. To exploit the different service capacities of backend ECS instances, which of the following statements is correct?
- A. SLB cannot assign more requests to certain ECS instances.
- B. Choose Round-Robin model and ECS instances with higher capacities will surely be assigned with more requests.
- C. Choose Weighted Least-Connection mode, and ECS instances with higher capacities will surely be assigned with more requests.
- D. Choose Weighted Round Robin mode to set higher weights to ECS instances with higher capacities The higher the weight of the backend ECS instance the higher chance that the instance will receive requests.
Answer: D
NEW QUESTION 30
For ECS and RDS instances under different Alibaba Cloud accounts but in the same region, which of the following statements is NOT correct for migrating self-built MySQL databases (running on ECS) to RDS?
- A. The data can be imported via the public network.
- B. The data can be imported by running mysqldump.
- C. The data cannot be migrated.
- D. The data can be imported via the Intranet
Answer: B
NEW QUESTION 31
When you create an Alibaba Cloud VPC. a VRouter and a route table will be created automatically. Which of the following statements is NOT correct about the route table?
- A. This route table cannot be deleted
- B. Each VRouter may have multiple route tables.
- C. The routing entries of the route table can not be modified manually.
- D. When a VPC is deleted, the corresponding route table is also deleted.
Answer: D
NEW QUESTION 32
When using Alibaba Cloud SLB to forward layer 7 (HTTP) service requests. SLB will replace the IP address in the HTTP header file to forward requests.
Therefore the source IP address that can be seen on the backend ECS instance is the IP address of SLB instead of the clients real IP address.
- A. True
- B. False
Answer: A
NEW QUESTION 33
A startup video streaming company deploys its service on Alibaba Cloud Elastic Compute Service (ECS) Christmas is coming soon and the CEO knows that they need to prepare more computing resources However, they don't want to purchase a large number of Elastic Compute Service (ECS) instances tor a long period of time. Instead, they want to buy ECS instances for a short period of time and release them after the event is over. Which of the following billing methods of ECS is the most suitable?
- A. Pay-As-You-Go with Reserved Instances
- B. Pay-As-You-Go with Savings Plan
- C. Subscription with Reserved Instances
- D. Pay-As-You-Go Only
Answer: B
NEW QUESTION 34
Company A constructed a sales management platform using three Elastic Compute Service (ECS) instances. One of the instances runs MySQL, and is used as the database server. The other two instances are used as Web servers After some time, the number of employees in Company A dramatically increases, leading to higher sales volumes At the same time, the platform response speed is gradually decreasing too.
According to the report from CloudMonitor, the average CPU utilization rate of the two Web servers exceeds 70%, and database load reaches 75% Company A can select Alibaba Cloud_________ services.to cope with the issue and optimize the performance. (Number of correct answers: 2)
- A. Use Content Delivery Network (CDN) to enhance content loading speed
- B. Replace the self-built MySQL database with ApsaraDB for RDS to obtain better database performance, and utilize RDS read-only instances to handle read-only requests
- C. Incorporate Server Load Balancer (SLB) and add additional ECS instances to relieve the load on existing ECS instances
- D. Import database data into Object Storage Service (OSS) to share the storage pressure on the platform
Answer: B,C
NEW QUESTION 35
Object Storage Service (OSS) supports access logging. A bucket owner can activate access logging for their buckets in the OSS management console. When access logging is activated for bucket A, OSS automatically accesses the request logs for this bucket (in hours) and generates and writes an object to the user-specified bucket B according to certain naming rules. Which of the following
statements is true for OSS logging?
- A. Buckets A and B can be separate buckets (or a single bucket) but they must belong to the same user
- B. Buckets A and B must be the same bucket.
- C. Buckets A and B can belong to different users.
- D. Buckets A and B must be different buckets.
Answer: A
NEW QUESTION 36
You have created two Alibaba Cloud VPCs in two different regions To establish communication between these two VPCs via the Intranet, you can________.
- A. No operation is needed, as VPCs under the same account are connected through the Intranet by default
- B. Create a new access rule through the Security Group to enable the communication
- C. Use CEN to establish communication between VPCs
- D. Use the VRouter to create a new route table to enable the communication
Answer: C
NEW QUESTION 37
After creating an RDS for MySQL read-only instance, which of the following CAN NOT be performed by the read-only instance in RDS management console?
- A. Intranet/Internet switchover
- B. Specification change
- C. SQL log auditing
- D. Parameter configuration
Answer: D
NEW QUESTION 38
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?
- 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 can be in different regions and zones.
- C. The instance and the scaling group must be in the same region and zone.
- 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: A
NEW QUESTION 39
When using Alibaba Cloud SLB. you can set different weights for backend ECS instances The higher the weight of a backend ECS instance the more load will be assigned to it An SLB instance has 5 ECS instances in the backend server pool, all of which are healthy Among these 5 ECS instances, the weight of ecs_inst1 is set to 100. Which of the following statements is correct?
- A. Based on SLB's working mechanism, approximately 20% of loads will be assigned to ecs_inst1
- B. 100% of loads will be assigned to ecs__inst1, and the remaining 4 ECS instances will stay idle
- C. Based on request level parameters of external requests, all requests with a request level parameter of 100 will be transferred to ecs_inst1
- D. We do not know the weight settings of the remaining 4 ECS instances, so we cannot tell what would happen
Answer: D
NEW QUESTION 40
A Virtual Private Cloud (VPC) is an isolated network environment that is completely isolated from each other The following statements about VPC are correct_________. (Number of correct answers: 2)
- A. ECS instances in a VPC use security group firewalls for Layer 2 network access control.
- B. Subnets can be divided like the traditional network environment. Different cloud servers within each subnet are connected by the same router and different subnets are interconnected by switches.
- C. The internal networks of different VPCs are completely isolated and can be interconnected through IP addresses mapped to the outside.
- D. Each VPC has an independent tunnel ID, and a tunnel ID corresponds to a virtualized network.
Answer: B,C
NEW QUESTION 41
Which of the following statements is most accurate about the Data Transmission Service (DTS) database migration function?
- A. Supports warning when source and destination has some unresolved conflict found.
- B. Supports migrating MySQL databases from external sources.
- C. Supports all of the above functions.
- D. Supports database schema replication between instances.
Answer: D
NEW QUESTION 42
As a concept stem from cloud computing, cloud storage service provides on-demand storage and data services to users through a unified interface Which of the following characteristics about cloud storage are correct? (Number of correct answers: 4)
- A. Management and maintenance: To prevent emergent service termination, users need to know the underlying detail like how the data is archived in the resource pool.
- B. Transparent service: Provides the service through a single SDK
- C. High reliability and availability: Provides very high reliability and availability through technologies like 3 redundant copies, automatic failure recovery, etc.
- D. Service on demand Cloud storage has a huge resources pool, users can apply for and use the resources on demand.
- E. Ultra-large scale: Data storage can reach TB or even PB level
- F. High scalability Storage capacity can be dynamically scaled to meet the needs.
Answer: B,C,D,F
NEW QUESTION 43
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?
- A. A DDoS attacks crack the server's logon password by means of a massive number of attempts.
- B. The purpose of a DDoS attack is to steal confidential information.
- C. 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.
- D. DDoS attacks primarily target databases.
Answer: C
NEW QUESTION 44
Alibaba Cloud Object Storage Service (OSS) is a cloud storage service that features massive capacity, outstanding security, low costs, and high reliability. In an OSS bucket, all elements are stored as________.
- A. Objects
- B. Hashes
- C. Stubs
- D. Keys
Answer: A
Explanation:
OSS does not use a hierarchical structure for objects, but instead uses a flat structure. All elements are stored as objects in buckets. To use OSS in the same manner in which local file systems are used, you can configure Cloud Storage Gateway (CSG).
https://www.alibabacloud.com/help/doc-detail/31817.htm
NEW QUESTION 45
Recently, response speed of a certain Alibaba Cloud Elastic Compute Service (ECS) instance is unacceptably slow. By using CloudMonitor we discovered that the ECS instance utilizes more than 80% of the assigned bandwidth.
Which of the following approach can address this issue and without the need to reboot the ECS instance?
- A. Add a disk to the ECS instance
- B. Upgrade the CPU and memory of the ECS ins
- C. Upgrade the bandwidth of the ECS instance
- D. None of the above
Answer: C
NEW QUESTION 46
A popular worldwide forum stores static resources in OSS and accelerates access using CON Users find that the speed of downloading files from the forum has been greatly improved, but uploading files is slow due to the long data transmission distance, resulting in a bad access experience In order to improve the speed of uploading files for users in this forum, so that users in different regions can have a good access experience, we recommend that the forum can________.
- A. Activate OSS in different regions as file storage, and synchronize data between OSS in different regions through cross-region replication
- B. Enable OSS static website hosting
- C. Enable the transmission acceleration service for O: Enable OSS
- D. Activate the PCDN service
Answer: A
NEW QUESTION 47
When creating an ECS instance in your Alibaba Cloud VPC, you must specify a VSwitch for that instance at the same time. Otherwise, you will not be able to create this ECS instance.
- A. True
- B. False
Answer: A
NEW QUESTION 48
You would like to deploy your applications on Alibaba Cloud to meet requirements including cost reduction, improving service availability, fast deployment- and redundant backup Alibaba Cloud_________products can help meet these requirements (Number of correct
answers 3)
- A. Utilizing Content Delivery Network (CDN) can meet the demands for redundant backup.
- B. Reasonable selection of Regions/Zones meets the location needs of application deployment as well as the demands for redundantly backup critical business applications and data.
- C. Elastic Compute Service (ECS) image achieve efficient and convenient deployment.
- D. Utilizing Server Load Balancer (SLB) and ECS instances can improve data reliability.
- E. Elastic Compute Service (ECS) snapshot satisfies the needs of rapid recovery of applications and data.
Answer: B,C,D
NEW QUESTION 49
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.
- A. 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.
- B. None of these answers are correct.
- C. Modify the VPC Security Group policy, to allow access from the Internet.
- D. Bind an EIP to each of the ECS instances, and Jog on to each of these ECS instances to manage them.
Answer: B
NEW QUESTION 50
You need to create a new ECS instance for a 10-data test. Which of the following billing methods is most cost-effective?
- A. Pay-As-You-Go
- B. Pay-AS-You-Go with Savings Plan
- C. Subscription
- D. Preemptible
Answer: C
NEW QUESTION 51
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