Which of the following functions can be completed by the microservice cloud application platform (ServiceStage)? (Multiple Choice)
- A . Create an application that depends on computing resources
- B . Use AOS templates to automate application orchestration
- C . View application indicators
- D . Online visual upgrade application
- E . Container applications need to build a container management platform on Service Storage. For example, you need to build kubernetes to manage docker container applications.
Which of the following operations can be completed automatically by the developers with the help of CI/CD pipeline in the software development cloud (DevCloud)? (Multiple Choice)
- A . Application construction
- B . Application automation testing
- C . Application operation & maintenance and fault recovery
- D . Application deployment
What is the function of the Dockerfile used when the application is compiled and built in the software development cloud (DevCloud)?
- A . Make application mirroring
- B . Cloud user authentication
- C . Manage project dependency packages
- D . Save configuration parameters
HUAWEI CLOUD application performance management service uses bytecode enhancement technology to achieve non-intrusive collection of user application performance index data. The user deploys an application developed in C language on HUAWEI CLOUD, or can use HUAWEI CLOUD application performance management service to Analyze its performance problems.
- A . True
- B . False
TP99 delay is the minimum time required to satisfy 99% of network requests.
- A . True
- B . False
ICAgent is the collection agent of APM. It runs on the elastic cloud server where the application is located. It is used to collect monitoring data such as topology and call chain in real time. Which of the following statements is incorrect?
- A . Realize non-intrusive data collection through JVM bytecode technology, users do not need to modify business code
- B . The application launched through the Services tage can automatically complete the deployment of the collection probe
- C . The resource overhead of each collection probe is extremely small and will not affect the business
- D . Support data collection for applications developed in C language
Which of the following are the application scenarios of HUAWEI CLOUD APM (Application Performance Management Service)? (Multiple Choice)
- A . Analyze transaction status through Apdex value
- B . Use templates to deploy applications to the cloud in one click
- C . Trace the root cause of the problem through the call chain
- D . Use the topological diagram to grasp the health of the application
If you deploy an e-commerce website on HUAWEI CLOUD, in order to benefit old customers, and are ready to engage in a one-day sale, what preparations should operation and maintenance personnel make on HUAWEI CLOUD in advance? (Multiple Choice)
- A . Use HUAWEI CLOUD’s stress testing service Cloud Eys to practice the high-traffic service capabilities of the website in advance
- B . Add the indicators that need to be viewed during routine operation and maintenance into the dashboard so that you can grasp the overall situation in real time
- C . Set threshold alarms for key application performance indicators of the website, and automatically notify operation and maintenance personnel of the alarms
- D . Prepare resources in advance. Set up an elastic scaling group to expand capacity in time as resource usage rises during the promotion process
Threshold alarms detect the upper and lower limits set by the indicators defined in the threshold rules. If the trigger conditions are met, an alarm message will be sent and a custom action will be executed. The current alarms on HUAWEI CLOUD can be notified to the operation and maintenance staff through which channels? (Multiple Choice)
- A . SMS
- B . Mail
- C . WeChat
- D . QQ
HUAWEI CLOUD Application Performance Management Service completes application performance data collection by installing a collection agent on the node where the application is located. The collection agent is based on the industry’s Pinpoint open source project, and uses JVM bytecode enhancement technology to collect application indicators in a non-intrusive manner.
APM does not support applications developed by which of the following technology stacks?
- A . JAVA
- B . Tomcat
- C . C++
- D . Spring
The goal of HUAWEI CLOUD’s three-dimensional operation and maintenance is to control the operating status of the system in an all-round way and quickly respond to various questions. Which of the following are specifically reflected in? (Multiple Choice)
- A . Monitoring the running status of laaS layer resources
- B . Only pay attention to the running status of the Paas layer application
- C . Grasp the running status of the applications deployed on Paas, support the tracking of faults and performance issues, and facilitate the positioning of operation and maintenance personnel
- D . Manage user experience guarantees and monitor whether business operations are normal in real time
Which of the following is in the category of microservice self-organizing teams? (Multiple Choice)
- A . Continuously identify bottlenecks in delivery, use lean methods to quickly verify and optimize, and run in small steps
- B . You Build it, You Run it small team, complete service analysis, development, testing, deployment and operation and maintenance
- C . Organize team design, development, testing and other roles to have a clear division of labor, and each perform its own duties
- D . Conway’s Law-The design (architecture) of a product or system is restricted by the communication structure of its production organization
In the practical guidance for micro-business models, which micro-service in the following figure is connected to the system through mesher?
- A . forcast
- B . weathermapweb
- C . Wweather
- D . fusionweather
Which of the following does not belong to the programming model supported by the CSE microservice development framework?
- A . gRPC
- B . POJO
- C . JAX-RS
- D . SpringMVC
Which of the following is the goal of the microservice engine CSE?
- A . Microservice operation and maintenance lifecycle management
- B . Microservice on-line lifecycle management
- C . Microservice development lifecycle management
- D . Microservice full lifecycle management
In the actual microservice guidance, what information needs to be configured before starting the service locally so that the microservice can be successfully registered to the service center on HUAWEI CLOUD?
- A . Monitoring center address
- B . Configurating center address
- C . Certification information such as AK/SK
- D . handler
The scope of microservices includes self-organizing teams, technical practices, processes and tools, which complement each other and promote and develop each other.
- A . True
- B . False
Applications are evolving to the CloudNative model, and microservices are the de facto standard of CloudNative.
- A . True
- B . False
The microservice engine provides grayscale publishing between microservices, and supports matching according to the value of a certain field (such as Header) in the Request.
- A . True
- B . False
Microservice architecture will face multi-dimensional challenges. Which of the following are the challenges that microservice architecture needs to face? (Multiple Choice)
- A . Increased failure probability, difficulty in monitoring and tracking, high calling frequency, long calling chain, and uncontrollable factors in cross-virtual machine and VLAN communication increase.
- B . You can choose components freely according to the needs of the service, and you don’t have to worry about dependency conflicts. Microservices manage their own data.
- C . Data is no longer centrally managed and distributed to various microservices. Conventional transaction management cannot cross service boundaries.
- D . It is easy to realize automated testing, with clear test cases, clear external dependencies, and easy piling (API pre-defined)
The strategies supported by the automatic load balancing mechanism provided by the microservice engine include: sequential, random local, sticky, instance-based load, etc.
- A . True
- B . False
The microservice engine provides a series of out-of-the-box microservice governance capabilities, such as automatic fault tolerance, service failure level, service current limit and automatic disaster tolerance.
- A . True
- B . False
kubelet is a management component located on the master node of the cluster.
- A . True
- B . False
In a kubernetes cluster, which of the following are the types of services that can be accessed from the outside? (Multiple Choice)
- A . namespace
- B . loadBalancer
- C . clouserlP
- D . nodeport
Container orchestration tools include: (Multiple Choice)
- A . Marathor
- B . Kubernetes
- C . Horizon
- D . Neutron
What are the advantages of Huawei’s CCE cloud container engine? (Multiple Choice)
- A . Diverse ecological access
- B . High-performance infrastructure
- C . Enhanced commercialization features
- D . Fully open native platform
What types of clusters can be created by the Huawei CCE Cloud Container Engine? (Multiple Choice)
- A . Bare metal cluster
- B . Virtual machine cluster
- C . AlX cluster
- D . windows cluster
Which of the following scenarios are applicable to the Huawei CCE Cloud Container Engine? (Multiple Choice)
- A . Scenarios where business load fluctuates significantly
- B . Scenarios for reducing resource costs
- C . Scenarios where traditional IT architecture can stably support business
- D . Scenarios for improving the efficiency of business launch
The difference between a high-availability cluster and a normal cluster in the Huawei Cloud Container Engine CCE service is that a high-availability cluster generally contains multiple nodes.
- A . True
- B . False
The number of Pods can be set in the Replicaset of Kubernetes.
- A . True
- B . False
Which of the following are the key features of Huawei Cloud Distributed Cache DCS service? (Multiple Choice)
- A . Worry-free operation and maintenance
- B . Compatible with open source
- C . Flexible expansion
- D . Ready to use
Which of the following is not a key feature of HUAWEI CLOUD distributed messaging DMS service?
- A . Provide hotspot data caching
- B . Flexible queue type: Provide ordinary queue, FIFO queue, Kafka queue
- C . Supports rich message capabilities such as message filtering, message backtracking, message reposting, and broadcast messages
- D . Accumulation of tens of billions of messages
Which of the following are the uses of typical middleware? (Multiple Choice)
- A . Distributed database middleware: supports massive data
- B . Load balancing: support massive access
- C . Message queue: module asynchronous decoupling
- D . Cache database: hotspot data cache
- E . Security service: Apply WAF security
If an enterprise develops or directly uses open source middleware, it needs to solve hardware failures, software installation and deployment, middleware software bugs and security repairs independently, and requires a lot of manpower.
- A . True
- B . False
Which of the following functions can be achieved after using cloud middleware to build distributed cloud applications? (Multiple Choice ）
- A . Open compatibility, strong scalability
- B . Separation of dynamic and static: the flow of dynamic pages and the flow of static pages are separated
- C . Database sub-database sub-table
- D . System decoupling
- E . Can accurately estimate system performance and capacity
When using the Huawei Cloud Distributed Message DMS service, after the Kafka queue is created, what information needs to be obtained to complete client access? (Multiple Choice)
- A . Client certificate
- B . AS/SK
- C . Access point information
- D . Consumer Information
Middleware can help users develop and integrate complex application software flexibly and efficiently.
- A . True
- B . False
Which of the following are the key features of Huawei Cloud Distributed Database Middleware DDM Service? (Multiple Choice)
- A . Uninterrupted business, automatic horizontal splitting and smooth expansion
- B . Compatible with SQL syntax
- C . Can withstand PB-level data volume, million-level concurrency, ten times as much as a single-machine database connection
- D . The cluster is highly available and can automatically recover from failures in seconds
Which of the following is a function of the Huawei Cloud Distributed Cache DCS service?
- A . Asynchronous decoupling between modules
- B . Horizontal expansion of the database
- C . Key-Value data cache
- D . Mass transaction transactions