Online Access Free H13-821_V3.0-ENU Exam Questions

Prometheus is an open source system monitoring and alarm framework that provides a common data model and convenient data collection, storage and query interfaces, it is suitable for both machine-centric monitoring and highly dynamic service-oriented systems Structure, can cooperate with some excellent graphical tools (such as Grafana) to achieve a more friendly graphical display of data and alarms.

• A.False
• B.True

A product is highly reliable, that is, () is very large, indicating that the product rarely fails, but the product is very poor in maintainability, and it takes a long time to recover from a failure, that is, () is very large, then the product is still not highly available.

A customer uses the URL authentication method to prevent the customer's business from being hotlinked, and requests the URL: http://www.test.com/Filenamey-efeabcdefaac7d15edfc6ec8aeffee2cb After the CDN server receives the request, which of the following checks will be performed? (Multiple choice)

• A.Authentication parameters: Whether to carry authentication parameters. If no authentication parameters are carried, the request is considered illegal and an HTTP 403 error is returned
• B.Time verification: judge whether the current time of the system is within the interval. If it exceeds this range, it will be considered expired and an HTTP 403 error will be returned
• C.Encrypted string verification. After the time verification is passed, a string is constructed in the form of sstring. Then use the md5 algorithm to calculate the HashValue, and compare it with the md5hash brought in the user request. If the results are consistent, the authentication is considered successful and the file is returned, otherwise the authentication fails and an HTTP 403 error is returned
• D.Referer verification: the value of the referer field carried in the request URL is empty, and the CDN node returns an HTTP 403 error

The Huawei Cloud Application Performance Management APM service is a cloud service that monitors and manages cloud application performance and faults in real time. It can provide professional distributed application performance analysis capabilities. The Agent collects multiple indicators such as application data and basic resource data through intrusion. Help operation and maintenance personnel to quickly solve problems such as problem location and performance bottlenecks in applications under distributed architecture.

• A.False
• B.True

Host security service HSS is a service provided by HUAWEI CLOUD to customers in order to improve the overall security of hosts. It only supports the use of hosts deployed on HUAWEI CLOUD. HSS can comprehensively identify and manage information assets in hosts, monitor risks in hosts in real time and prevent illegal intrusions, help enterprises build server security systems, and reduce the main security risks faced by current servers.

• A.False
• B.True