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- Question 49
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Question 49/55
Cloud disks are reliable because they use to provide block-level data storage for ECS instances, ensuring 99.9999999% data reliability.
Correct Answer: A
An ECS disk can be used jointly or separately to meet the requirements of different application scenarios. ECS disks are categorized into ephemeral SSD disks and cloud disks. Compared with ephemeral SSD disks, cloud disks are more reliable as they use a triplicate distributed system to provide block-level data storage for ECS instances, ensuring 99.9999999% data reliability.
Reference:
http://docs-aliyun.cn-hangzhou.oss.aliyun-inc.com/pdf/ecs-product-introduction-intl-en-2017-03- 24.pdf
Reference:
http://docs-aliyun.cn-hangzhou.oss.aliyun-inc.com/pdf/ecs-product-introduction-intl-en-2017-03- 24.pdf
- Question List (55q)
- Question 1: A large shopping mall deploys a new video surveillance syste...
- Question 2: An enterprise hosts their servers (include both Linux and Wi...
- Question 3: Your website has high volume of traffic and sudden spikes fo...
- Question 4: Which of the followings are not the operations that you can ...
- Question 5: Alibaba Cloud provides powerful security services (the same ...
- Question 6: Alibaba Cloud Object Storage Service (OSS) is a massive, hig...
- Question 7: Alibaba Cloud Object Storage Service (OSS) is a massive, hig...
- Question 8: Server Load Balancer supports protocols like ______________....
- Question 9: Company builds a music download website based on OSS and ECS...
- Question 10: Alibaba Cloud does not support Intranet communication betwee...
- Question 11: A large shopping mall deploys a new video surveillance syste...
- Question 12: When using Alibaba Cloud OSS, you can set access control in ...
- Question 13: As a cloud computing service provider, Alibaba Cloud provide...
- Question 14: Company A builds a sales management platform based on Alibab...
- Question 15: RDS for MySQL is a PaaS, which means after creating the RDS ...
- Question 16: Your website has oscillating traffic peaks that are difficul...
- Question 17: A customer uses Alibaba Cloud Auto Scaling service and creat...
- Question 18: Alibaba Cloud CDN can directly accelerate the access to the ...
- Question 19: ECS is a highly flexible service. It can be used independent...
- Question 20: You can create a custom image for ECS using which of the fol...
- Question 21: Multiple lower-configuration I/O-optimized ECS instances can...
- Question 22: Your friend purchases some Alibaba Cloud resources and uses ...
- Question 23: Your website has oscillating traffic peaks that are difficul...
- Question 24: Alibaba Cloud provides anti-DDoS products of different level...
- Question 25: You are developing a highly available web application using ...
- Question 26: RDS provides whitelist access policies. You can set permitte...
- Question 27: Which of the following statements to OSS bucket is not corre...
- Question 28: A video streaming company uses SLB to distribute user reques...
- Question 29: A video streaming company uses SLB to distribute user reques...
- Question 30: Auto Scaling is a management service that can automatically ...
- Question 31: A company uses Alibaba Cloud SLB and Auto Scaling at the sam...
- Question 32: Alibaba Cloud Monitor service stems from years of experience...
- Question 33: Which of the following statements is true for RDS?...
- Question 34: A company wants to migrate its system to public cloud platfo...
- Question 35: A customer uses Alibaba Cloud Auto Scaling service and creat...
- Question 36: When we talk about the 'Elastic' feature for ECS product, we...
- Question 37: Your website has high volume of traffic and sudden spikes fo...
- Question 38: A company uses Alibaba Cloud SLB and Auto Scaling at the sam...
- Question 39: Auto Scaling is a management service that can automatically ...
- Question 40: Which of the followings are not the operations that you can ...
- Question 41: Which method is not supported by OSS to create a bucket?...
- Question 42: ECS is a highly flexible service. It can be used independent...
- Question 43: Using a cloud computing service is simple and straightforwar...
- Question 44: Your friend purchases some Alibaba Cloud resources and uses ...
- Question 45: Alibaba Cloud does not support Intranet communication betwee...
- Question 46: You are developing a highly available web application using ...
- Question 47: You can create a custom image for ECS using which of the fol...
- Question 48: Which of the following statements is wrong when comparing RD...
- Question 49: Cloud disks are reliable because they use to provide block-l...
- Question 50: Which of the following statements about file uploading to OS...
- Question 51: Company A builds a sales management platform based on Alibab...
- Question 52: Alibaba Cloud OSS is a cloud storage service that features m...
- Question 53: Cloud disks are reliable because they use __________ to prov...
- Question 54: SQL injection is a common application layer attack, usually ...
- Question 55: Server Load Balancer can manage sudden spikes in traffic, mi...
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