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Best Quality Alibaba Cloud ACP-Cloud1 Exam Questions
NEW QUESTION 33
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. 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.
- B. Healthy check mode: Ensures that all the current ECS instances in scaling groups are working correctly to meet user access requests.
- C. 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
- 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: A,D
NEW QUESTION 34
An enterprise hosts their servers (include both Linux and Windows servers) in a traditional IDC Every night hackers with IP addresses from many countries try to crack the password of their servers, making the administrator terribly worried about this However because of work requirements the remote management port of these servers must be opened to public network.
The administrator heard that Alibaba Cloud has solutions that can help customers improve the security of their systems Therefore, he/she wants to migrate the system to Alibaba Cloud. Which of the following functions should the administrator activate in Alibaba Cloud to reduce the possibility of brute force password cracking?
- A. Cloud Firewall
- B. Anti-DDoS Origin Basic Edition
- C. CloudMonitor
- D. Security Center
Answer: A
NEW QUESTION 35
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 host CA certificates, not SSL certificate
- B. SLB can only support HTTPS one-way authentication
- C. SLB can only host SSL certificates, not CA certificates.
- D. You need to host server SSL certificates and client CA certificates on SLB
Answer: B
NEW QUESTION 36
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. Enable the transmission acceleration service for O: Enable OSS
- B. Activate the PCDN service
- C. Activate OSS in different regions as file storage, and synchronize data between OSS in different regions through cross-region replication
- D. Enable OSS static website hosting
Answer: C
NEW QUESTION 37
Alibaba Cloud Object Storage Service (OSS) provides multiple file uploading modes for different scenarios, which are___________.
(Number of correct answers: 2)
- A. Direct upload from the OSS management console no matter how large the file is
- B. Directly copying to/from OSS using portable disks
- C. Uploading using the API
- D. Upload using the SDK
Answer: A,B
NEW QUESTION 38
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. 8G, Memcache: 2 cores: 16G
- C. Tomcat: 4 cores, 4G, Memcache: 2 cores, 8G
- D. Tomcat: 4 cores: 4G, Memcache: 2 cores: 16G
Answer: C
NEW QUESTION 39
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 the same priority, the rule of the denial policy takes effect first, and the rule of the allowed policy does not take effect
- B. If rule 1 and rule 2 have different priorities, the rule with a small 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 different priorities, the rule with a large priority number takes effect.
Answer: A,B
NEW QUESTION 40
If you want to build a secure and isolated network environment on Alibaba Cloud; meanwhile, design your network topology and specify Intranet IP addresses or CIDR Blocks in this network environment as needed, you can choose
- A. Express Connect
- B. Leased line
- C. Virtual Private Cloud (VPC)
- D. Auto Scaling
Answer: C
NEW QUESTION 41
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 42
The daily PV volume of a community website is as high as 20 million. The applications of the website are deployed on ECS instances while logs are stored on the data disks of a single ECS instance.
Now, the website wants to extend the log retention period to 24 months and ensure that logs can be quickly downloaded when needed. The current data disks they have can only help retain three months of logs In this case, ________ is the ideal solution for solving the log retention issue.
- A. CDN
- B. ApsaraDB for RDS
- C. Container Service
- D. OSS
Answer: A
NEW QUESTION 43
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?
- A. 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.
- B. The DNS service provider used by the domain name (such as abc.com) can be companies other than Alibaba Cloud.
- C. The DNS service provider used by the domain name (such as abc.com) must support intelligent resolution.
- D. 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.
Answer: A
NEW QUESTION 44
Alibaba Cloud Server Load Balancer (SLB) provides services for distributing traffic among multiple ECS instances SLB can expand the application system's service capacity through traffic distribution, and improve the system's availability by eliminating SPoFs (Single Points of Failure). Which of the following statements are correct? (Number of correct answers; 2)
- A. SLB provides a function to automatically synchronize data among backend ECS instances using rsync remote synchronization.
- B. When recreating an SLB instance that has an Internet IP address, a new Internet IP address will be assigned to the SLB instance.
- C. Before using SLB to provide external services, make sure that you have installed and correctly configured the SLB agent on all of the backend ECS instances.
- D. One of SLB's features is the Health Check. If some of the backend ECS instances are down, whereas other backend ECS instances can still provide services, then the system can continue to work normally.
Answer: A,D
NEW QUESTION 45
Alibaba Cloud provides comprehensive security protection covering networks, hosts, applications, databases, and content for on-cloud clients. Users using Alibaba Cloud services only need to focus on their own services, without the need to pay any attention to security protection issues.
- A. True
- B. False
Answer: B
NEW QUESTION 46
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. Elastic Compute Service (ECS) snapshot satisfies the needs of rapid recovery of applications and data.
- 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. Elastic Compute Service (ECS) image achieve efficient and convenient deployment.
Answer: A,C,D
NEW QUESTION 47
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 48
A new media company uses a mobile app to provide news and information services. They utilize Auto Scaling to add/reduce ECS instances dynamically to address service traffic spikes.
Based on the estimation of their service and technical personnel the company thinks they require 10 ECS instances during idle hours and 10 to 20 ECS instances (dynamically adjusted) during some busy hours, which are normally from 07:30 to 09:00 and from 18:30 to 20:00 In the scaling group; they set the "Minimum number of instances" to 10 and "Maximum number of instances" to 20.
To simplify deployment tasks and save costs, which of the following scaling modes should they choose?
- A. Event-triggered mode
- B. Scheduled mode
- C. Fixed quantity mode
- D. Healthy mode
Answer: C
NEW QUESTION 49
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 must be the same bucket.
- B. Buckets A and B can be separate buckets (or a single bucket) but they must belong to the same user
- C. Buckets A and B can belong to different users.
- D. Buckets A and B must be different buckets.
Answer: B
NEW QUESTION 50
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