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Questions # 1:

Which of the following is NOT a valid state for a scaling activity in Alibaba Cloud's Elastic Scaling Service ESS -also known as Auto Scaling) state of the scaling activity in the Alibaba Cloud elastic

scaling group?

Options:

Rejected

Executing

Failed

Timeout

Answer

Questions # 2:

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

Options:

Web Console

ossf s

ossbrowser

ossutil

Answer

B, D

Questions # 3:

Which of the following cloud services can be integrated with Alibaba Cloud KMS (Key Managed Service)? (Number of correct answers: 3)

Options:

Elastic Compute Service (ECS)

Object Storage Service (OSS)

Relational Database Service (RDS)

Server Load Balancer (SLB)

Answer

A, B, C

Explanation

https://www.alibabacloud.com/help/doc-detail/141499.htm

Questions # 4:

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?

Options:

Syslog

Web Tracking

Kafka

Logslash

Answer

Questions # 5:

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

Options:

access.keyjd

access.key.secret

regionjd

zone jd

vpcjd

Answer

A, B, C

Explanation

https://www.alibabacloud.com/help/doc-detail/53090.htm

Questions # 6:

Assume that a company uses ApsaraDB for PolarDB. The company commonly queries users based on their basic information, including: addresses, company names, and ID numbers. In this scenario, what is the best practice for creating a database index (or indexes)?

Options:

Create a b-tree index on each column to be searched.

Create a hash index on each column to be searched.

Create a gin index for multiple fields.

Create a gist index for multiple fields.

Answer

Questions # 7:

Which of the following options describes the basic concepts of Alibaba Cloud Tracing Analysis correctly? (Number of correct answers: 3)

Options:

Alibaba Cloud Tracing Analysis model relies on OpenTracing

In the OpenTracing standard, a call chain can be regarded as a directed acyclic graph (DAG) composed of multiple Spans. The relationship between spans is named References

In the OpenTracing standard, each Span represents a named and timed non-continuous execution segment in the call chain

In some cases, timing diagrams based on the timeline are used to show the call chain

Answer

A, B, C

Questions # 8:

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)

Options:

The primary database (the one to be backed up) must have an Alibaba Cloud Intranet address

RDS realizes real-time synchronization between the master instance and the remote disaster recovery instance through Data Transmission Service (DTS)

When an outage occurs in the area where the primary instance is located, and neither the primary instance (Master) nor the standby instance (Slave) can be connected to, the remote disaster recovery instance can be switched to the primary instance

When the database deletion operation is performed on the master instance, the operation will also be synchronized to the disaster recovery instance

Answer

Questions # 9:

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

Options:

Import the migration source information to the SMC console.

From the SMC console, configure the type of disk image to be generated during the migration.

The SMC client transfers the source data to an intermediate ECS instance.

The SMC backend service generates a target Alibaba Cloud image based on the migration source.

Answer

Questions # 10:

Which of the following statements describe the trace/D and spanID in a service tracking system (such as Zipkin) correctly? (Number of correct answers: 3)

Options:

When the user's request enters the system, a globally unique traceld will be generated on the first layer of the calling network.

The tracelD will be called with each layer and passed back continuously, so through traceld, the path of a user request in the system can be connected in series.

Spanld can locate the position of a request in the system call, and who its upstream and downstream dependencies are respectively.

Traceld is used to distinguish the sequence of calls between different services of the system, spanld is used to concatenate all the paths that a certain request traverses in the system.

Answer

A, C, D

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