[Jan 16, 2022] ACP-Cloud1 Sample with Accurate & Updated Questions
ACP-Cloud1 Exam Info and Free Practice Test | Real4Prep
NEW QUESTION 31
A video company uses SLB to distribute user requests to 20 ECS instances with the same configuration to response these requests. As the Spring Festival approaches, service traffic would double during holidays (based on past experience). Thus, you use Auto Scaling to elastically adjust computing resources. Since the services is online for many years, you have historic records that can help predict the upcoming service traffic and choose the scaling mode freely. In this scenario, which of the following options are feasible and with minimum operation efforts? (Number of correct answers: 2)
- A. Cloud monitor and event-triggered task: Dynamically adds ECS instances during resource shortage and reduces ECS instances during idle hours by monitoring the CPU utilization rate and workload
- B. Scheduled task: Increases the number of ECS instances to 40 on the first day of the holidays and reduce the number to 20 after the holidays.
- C. Healthy check mode: Ensures that all the current ECS instances in scaling groups are working correctly to meet user access requests.
- D. Manual mode: Set the minimum number of instances to 40 on the first day of the holidays and change the number to 20 after the holidays.
Answer: B,D
NEW QUESTION 32
When using Alibaba Cloud SLB, users can enable the health check function If a backend ECS instance A is running abnormally, SLB will isolate it and forward the requests to other ECS instances, and when the backend ECS instance A is back to normal, SLB will again forward requests to it.
- A. True
- B. False
Answer: A
NEW QUESTION 33
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 the VRouter to create a new route table to enable the communication
- D. Use CEN to establish communication between VPCs
Answer: D
NEW QUESTION 34
To meet business requirements, a user requires that the backend server of an SLB instance include a primary ECS instance and a secondary ECS instance. When the primary instance is working properly, the traffic is only forwarded to the primary ECS, when the primary instance is down, traffic is switched to the standby instance. In this case, you can create an active/standby server group on the backend of the SLB instance Which kind of listener supports this feature? (Number of correct answers: 2)
- A. UDP
- B. HTTP
- C. TCP
- D. HTTPS
Answer: A,D
NEW QUESTION 35
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. We do not know the weight settings of the remaining 4 ECS instances, so we cannot tell what would happen
- B. 100% of loads will be assigned to ecs__inst1, and the remaining 4 ECS instances will stay idle
- C. Based on SLB's working mechanism, approximately 20% of loads will be assigned to ecs_inst1
- D. Based on request level parameters of external requests, all requests with a request level parameter of 100 will be transferred to ecs_inst1
Answer: A
NEW QUESTION 36
Alibaba Cloud CloudMonitor is a service that monitors Alibaba Cloud resources and Internet functions currently provided by CloudMonitor? (Number of correct answers: 3)
- A. Customized monitoring
- B. Custom firewall
- C. Operation auditing
- D. Cloud service monitoring
- E. Site monitoring
Answer: A,D,E
Explanation:
https://cloudacademy.com/course/alibaba-security-monitoring-1275/introduction-to-cloud-monitor/#:~:text=Cloud%20Monitor%20is%20a%20service,safeguard%20your%20products%20and%20business.
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. SQL log auditing
- B. Intranet/Internet switchover
- C. Specification change
- D. Parameter configuration
Answer: D
NEW QUESTION 38
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. None of the above
- B. Upgrade the bandwidth of the ECS instance
- C. Add a disk to the ECS instance
- D. Upgrade the CPU and memory of the ECS ins
Answer: B
NEW QUESTION 39
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. Anti-DDoS Pro Service
- B. Managed Security Service
- C. Cloud Firewall
- D. Security Center
Answer: C
NEW QUESTION 40
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 Weighted Least-Connection mode, 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 Round-Robin model 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 41
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 42
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 Savings Plan
- B. Pay-As-You-Go Only
- C. Pay-As-You-Go with Reserved Instances
- D. Subscription with Reserved Instances
Answer: A
NEW QUESTION 43
Once ECS is created, you can't change its private IP address anymore.
- A. True
- B. False
Answer: A
NEW QUESTION 44
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. DDoS attacks primarily target databases.
- B. 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.
- C. A DDoS attacks crack the server's logon password by means of a massive number of attempts.
- D. The purpose of a DDoS attack is to steal confidential information.
Answer: B
NEW QUESTION 45
Alibaba Cloud Elastic Compute Service (ECS) instances in different Security Groups will definitely have no way to communicate with each other.
- A. True
- B. False
Answer: A
NEW QUESTION 46
When a customer uses Alibaba Cloud Object Storage Service (OSS) service and finds there exist an amount of Internet downstream traffic, he/she can use Alibaba Cloud Content Delivery Network (CDN) service to reduce the traffic cost.
Because the Internet traffic cost of CDN is lower than that of OSS, moreover, the back-to-source traffic cost from CDN to OSS is also lower than a user access to OSS directly.
- A. True
- B. False
Answer: A
NEW QUESTION 47
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. 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.
- C. None of these answers are correct.
- D. Modify the VPC Security Group policy, to allow access from the Internet.
Answer: C
NEW QUESTION 48
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. Each VPC has an independent tunnel ID, and a tunnel ID corresponds to a virtualized network.
- C. The internal networks of different VPCs are completely isolated and can be interconnected through IP addresses mapped to the outside.
- D. 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.
Answer: C,D
NEW QUESTION 49
A large enterprise wants to migrate the entire business system to Alibaba Cloud to save the overall IT procurement and O&M costs From the security aspect, the company requires that
1. Must support secured remote O&M because the administrator often takes business trips.
2. Networks between subsystems should be isolated because subsystems are independently used by different departments Which of the followings should be used together to meet the company's requirements? (Number of correct answers: 3)
- A. Create multiple ECS instances in the VPC to install subsystems of different departments- Allocate only Intranet IP addresses to all ECS instances, and deploy them in the same security groups.
- B. Use the security group function of the ECS instance, and respectively deploy ECS instances running different subsystems to independent security groups.
- C. Enable the VPN on the bastion host (or directly use the VPN image on Alibaba Cloud Marketplace). The administrator uses VPN encrypted communication during O&M.
- D. Build an independent ECS instance as the bastion host or remote logon and O&M, and authorize the bastion host to access ECS instances running other subsystems.
Answer: A,C,D
NEW QUESTION 50
SLB is a load balancing service that distributes traffic to multiple cloud servers It provides a wide range of functions to meet the needs of various business scenarios If a user wants to use SLB and ECS instances to deploy two-way authenticated HTTPS websites, the following statement is correct_______.
- A. SLB can only support HTTPS one-way authentication
- B. You need to host server SSL certificates and client CA certificates on SLB
- C. SLB can only host CA certificates, not SSL certificate
- D. SLB can only host SSL certificates, not CA certificates.
Answer: A
NEW QUESTION 51
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