[Apr-2023] The Alibaba Cloud ACP-Cloud1 Exam Test For Brief Preparation
Revolutionary Guide To Exam Alibaba Cloud Dumps
Alibaba Cloud ACP-Cloud1 Exam Syllabus Topics:
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NEW QUESTION 19
By using ApsaraDB for RDS to implement read/write splitting, which of the following can be achieved? (Number of correct answers 2)
- A. Both read and write requests are distributed to multiple instance
- B. Read requests are distributed to multiple instances.
- C. Read/write requests to the database are separated.
- D. Write requests are distributed to multiple instances.
Answer: A,D
NEW QUESTION 20
The difference between public and private Server Load Balancers (SLBs) is that private SLBs connect to their backend ECS instances using the private network (Intranet) while public SLBs connect to their backend ECS instances using the public network (Internet).
- A. True
- B. False
Answer: B
NEW QUESTION 21
RDS provides whitelist access policies. You can set permitted IP addresses and IP network segments to effectively prevent hackers from attacking the server by port scanning.
- A. False
- B. True
Answer: B
NEW QUESTION 22
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. Bind an EIP to each of the ECS instances, and Jog on to each of these ECS instances to manage them.
- B. None of these answers are correct.
- C. Modify the VPC Security Group policy, to allow access from the Internet.
- D. 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.
Answer: B
NEW QUESTION 23
You are using Auto Scaling with one scaling group already created, then you want to execute a task at a specific time such as removing 1 ECS instance every night at 00:00. To achieve this, which of the following operations should be performed'? (Number of correct answers; 2)
- A. Create an event-triggered task.
- B. Create a scaling rule
- C. Create a scheduled task.
- D. Create a new scaling group.
Answer: D
NEW QUESTION 24
A company launched its online service just a year ago. It uses five ECS instances and does not have a full-time system administrator Over the last six months, the company's system has encountered various security problems Several high-risk vulnerabilities were exploited by hackers, leading to leakage of the company's confidential dat a. Which of the following Alibaba Cloud products can be used to quickly resolve this problem?
- A. Cloud Firewall
- B. Security Center
- C. Anti-DDoS Pro Service
- D. Managed Security Service
Answer: A
NEW QUESTION 25
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. Upgrade the bandwidth of the ECS instance
- B. None of the above
- C. Add a disk to the ECS instance
- D. Upgrade the CPU and memory of the ECS ins
Answer: A
NEW QUESTION 26
Once ECS is created, you can't change its private IP address anymore.
- A. False
- B. True
Answer: B
NEW QUESTION 27
When the "'Obtain the Visitor's Real IP Address" function is enabled in Alibaba Cloud SLB For layer 7 services, you can obtain the real IP addresses of visitors through the______________field in HTTP header
- A. Authorization
- B. X-Forwarded-For
- C. Etag
- D. Connection
Answer: D
NEW QUESTION 28
Alibaba Cloud Content Delivery Network (CDN) performs content acceleration with the support of intelligent DNS resolution The following function_________is NOT included in intelligent DNS resolution.
- A. A user request is directed to the server nearest to the customer based on location information of the pre-configured IP section.
- B. If a user activates mirror sites in different IDCs, intelligent DNS resolution can achieve load balancing by guiding customers in different places to different mirror sites.
- C. The intelligent DNS resolution can parse the same domain name into different IP addresses based on the IP of different visitors.
- D. The intelligent DNS resolution supports web page content caching. A user will receive data from the origin site at first-time access, and then will be reading data from cache in subsequent requests
Answer: B
NEW QUESTION 29
Many of Alibaba Cloud services provide highly reliable data storage capacity. For example, Object Storage Service (OSS) promises that its data reliability is no less than 99 99999999%. This high data reliability is solely achieved by RAID 0+1 redundancy technology.
- A. False
- B. True
Answer: B
NEW QUESTION 30
Alibaba Cloud Elastic Compute Service (ECS) instances in different Security Groups will definitely have no way to communicate with each other.
- A. False
- B. True
Answer: B
NEW QUESTION 31
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. False
- B. True
Answer: B
NEW QUESTION 32
Before data communication is setup, the security groups match the security group rules one by one to query whether to allow access requests Assume that the user has created two security group rules 1 and 2 The protocol type, port range, authorization type, and authorization object of the two security group rules are the same. The difference is that Rule 1 is a denial policy, rule 2 is an allowed policy, so the following statement is correct_______ (Number of correct answers 2)
- A. If rule 1 and rule 2 have different priorities, the rule with a small priority number takes effect
- B. If rule 1 and rule 2 have different priorities, the rule with a large priority number takes effect.
- C. If rule 1 and rule 2 have the same priority, the rule of the allowed policy takes effect first, and the rule that of the denial policy does not take effect.
- D. If rule 1 and rule 2 have the same priority, the rule of the denial policy takes effect first, and the rule of the allowed policy does not take effect
Answer: A,D
NEW QUESTION 33
RDS accounts can be used to connect with the databases created on a given RDS instance. Each account can be bound with multiple databases. Yet, the read/write permissions of each database can only be assigned to one RDS account
- A. False
- B. True
Answer: B
NEW QUESTION 34
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 cannot be migrated.
- B. The data can be imported via the Intranet
- C. The data can be imported by running mysqldump.
- D. The data can be imported via the public network.
Answer: C
NEW QUESTION 35
Alibaba Cloud ECS provides multiple instance types to meet the needs of different business scenarios. A medium-sized enterprise user wants to use two ECS instances, one to deploy a single Tomcat service and the other one to deploy Memcache. Which of the following configurations is most recommended?
- A. Tomcat: 4 cores 8G. Memcache: 2 cores 8G
- B. Tomcat: 4 cores, 4G, Memcache: 2 cores, 8G
- C. Tomcat: 4 cores. 8G, Memcache: 2 cores: 16G
- D. Tomcat: 4 cores: 4G, Memcache: 2 cores: 16G
Answer: B
NEW QUESTION 36
A customer uses Alibaba Cloud Auto Scaling service and creates a scaling group He/she sets the "Minimum number of instances" to 2 and "Maximum number of instances" to 7.
After correctly configuring scaling settings, the customer adds a scaling rule "Add 6 ECS instances", and creates a scheduled task based on this rule.
And then, the customer checks the scaling group and see it already contains 3 valid ECS instances, he/she then enables this scaling group immediately.
How many ECS instance will be added in the scaling group when the scheduled task is activated once'?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 37
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. Choose Round-Robin model and ECS instances with higher capacities will surely be assigned with more requests.
- B. SLB cannot assign more requests to certain ECS instances.
- C. 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.
- D. Choose Weighted Least-Connection mode, and ECS instances with higher capacities will surely be assigned with more requests.
Answer: C
NEW QUESTION 38
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 belong to different users.
- B. Buckets A and B must be different buckets.
- C. Buckets A and B can be separate buckets (or a single bucket) but they must belong to the same user
- D. Buckets A and B must be the same bucket.
Answer: C
NEW QUESTION 39
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 belong to different users.
- B. Buckets A and B must be different buckets.
- C. Buckets A and B can be separate buckets (or a single bucket) but they must belong to the same user
- D. Buckets A and B must be the same bucket.
Answer: C
NEW QUESTION 40
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 with Savings Plan
- B. Preemptible
- C. Subscription
- D. Pay-As-You-Go
Answer: C
NEW QUESTION 41
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. When a VPC is deleted, the corresponding route table is also deleted.
- D. The routing entries of the route table can not be modified manually.
Answer: C
NEW QUESTION 42
You are using Auto Scaling with one scaling group already created, then you want to execute a task at a specific time such as removing 1 ECS instance every night at 00:00. To achieve this, which of the following operations should be performed'? (Number of correct answers; 2)
- A. Create an event-triggered task.
- B. Create a scheduled task.
- C. Create a new scaling group.
- D. Create a scaling rule
Answer: C,D
NEW QUESTION 43
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. Elastic Compute Service (ECS) snapshot satisfies the needs of rapid recovery of applications and data.
- B. Elastic Compute Service (ECS) image achieve efficient and convenient deployment.
- C. 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.
- D. Utilizing Server Load Balancer (SLB) and ECS instances can improve data reliability.
- E. Utilizing Content Delivery Network (CDN) can meet the demands for redundant backup.
Answer: C,D,E
NEW QUESTION 44
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