EMT Practice Test

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Question List

Question1: When a developer calls the Alibaba Cloud SDK to access Elastic Compute Service (ECS), the following error is returned; RealNameAuthenticationError What is the possible cause?

Question2: When a developer uses the LogGroup function to package multiple logs and writes data through the API/SDK of the Log Service, it receives error code 403 or 500 continiously. What are the possible reasons?

Question3: Which of the following descriptions of Alibaba Cloud ECS storage are correct? (Number of correct answers:
3)

Question4: An Elastic Compute Service (ECS) instance (private IP only) needs to read data from a RDS MySQL database in another VPC through a private IP address, and at the same time, RDS's public internet endpoint needs to be available for requests from some internet clients. Which steps must be taken to allow applications to access this RDS instance via both interfaces? (Number of correct answers: 2)

Question5: you have a Node.js based application and you plan to migrate it to Alibaba Cloud Function Compute, which of the following steps is unnecessary?

Question6: Which of the following data volume types is not supported by Elastic Container Instance (ECI)?

Question7: A development team currently supports an application that is designed to be deployed on a single server's local memory As part of migrating to Alibaba Cloud, the team needs to use Auto Scaling, and must therefore move their game state data off of their servers, so that they can automatically scale up and down without losing game data. Where should the team store these game results to best allow for consistent results without impacting performance?

Question8: You can create an event notification rule in Message Service and push notifications to the specified consumer in the form of messages, to receive events from specified Alibaba Cloud resources. Which of the following options are correct statements about the Message Service (MS) service? (Number of correct answers: 2)

Question9: Elastic Container instance (ECI) is an agile, secure, serverless service for running containers. If you need to configure public network access for ECI, which of these are reasonable solutions? (Number of correct answers: 3)

Question10: Which data format is NOT supported by Alibaba Cloud Message Service?

Question11: On which operating systems can you install Alibaba Cloud command line tools? (Number of correct answers:
3)

Question12: What are the benefits of creating indexes on PolarDB? (Number of correct answers: 2)

Question13: Which of these are suitable use cases for Alibaba Cloud's MongoDB service? (Number of correct answers: 3)

Question14: Which of the following database connection methods does ApsaraDB for Redis support? (Number of correct answers: 2)

Question15: Log Service uses a semi-structured data model to define a log. This mode contains five data fields:
Topic, Time, Content, Source, and Tags. Log Service has different requirements for the format of each field in the log. Which of the following fields cannot be empty characters? (Number of correct answers: 4)

Question16: What migration features does Alibaba Cloud SMC (Server Migration Center) support? (Number of correct answers: 3)

Question17: Which of the following OSS tools are GUI-based? (Number of correct answers:2)

Question18: Which of the following is NOT required for SMC (Server Migration Center) to migrate a server to Alibaba Cloud?

Question19: Alibaba Cloud RabbitMQ is typically used in scenarios where message publishing and consumption performance requirements are high. Which of the following are supported message types in Alibaba Cloud Rabbit MQ? (Number of correct answers: 3)

Question20: Function Compute supports one-way triggers and two-way triggers. Which of the following triggers is a one-way trigger? That is to say you only need to configure the trigger in the event source, not in Function Compute?.

Question21: Which of the following statements are correct, with regard to Alibaba Cloud Log Service? (Number of correct answers: 3)

Question22: Which
of the following parameter locations should be specified for the parameter of key1 where the request URL is in the form: http://somesite.com/test?key1 =[value1] ?

Question23: Which of the following errors may occur when you access an image stored in Object Storage Service, and attach an image processing URL parameter to the URL ? (Number of correct answers: 3)

Question24: For business scenarios with strong data reliability requirements or financial business scenarios with regulatory requirements related to data durability and availability, RDS MySQL provides a remote backup mechanism to improve reliability. Which of the following is correct, regarding RDS's remote disaster recovery capabilities?
(Number of correct answers: 3)

Question25: What are the required parameters for the Python SDK to create a client to access Alibaba Cloud's API?
(Number of correct answers: 3)

Question26: A developer runs a web application on a physical machine in an IDC. The machine is running Ubuntu Linux.
Which of the following is the recommended method if he wants to migrate this web application onto an Alibaba Cloud ECS instance?

Question27: A game company is developing a game application for the Apple and Android platforms. Currently, this application stores user data (as flat files) securely on the local storage of a user's device. The game company wants to provide a new feature that allows customers to play the same game on different devices, which requires synchronizing user data between different devices. Which of the following cloud services supports this requirement without creating a new back-end application?

Question28: The event monitoring feature in CIoudMonitor provides custom event monitoring functions. Which of the following data reporting methods are included? (Number of correct answers: 3)

Question29: A developer is writing logs through the Log Service API, and can see via the Logstore monitorin metrics that write traffic is about 10 MB/s, but a 403 error is reported during the writing process. Which of these is a possible cause?

Question30: Which of the following options are correct for Multipart Upload and Resumable Upload in Object Storage Service (OSS)? (Number of correct answers: 3)

Question31: If a user finds that the Content Delivery Network (CDN) cache hit rate is low, what could be the reason?
(Number of correct answers: 3)

Question32: A company has some new content that needs to be promoted (such as new features, new activities, new games, or new articles). In order to achieve the overall promotion goal, the operating staff will select various channels for promotion (including standard HTML/HTML5 (desktop), iOS, and Android). You are using Alibaba Cloud's Log Service: in order to ascertain the effectiveness of content promotion accurately and in real time, which log collection method should you use, as a developer?

Question33: You have a Java application with source code stored on GitHub. Now you want to build a container image using this code, and store it on a Container Registry instance located in Mainland China. Which of the following is the simplest, lowest maintenance option?