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Questions # 1:

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?

Options:
A.

There is significant network delay

B.

The write throughput of a single partition is limited, and the 10 MB/s write traffic exceeds

C.

There is not enough space in the Logstore partition

D.

The target partition in the Logstore is not specified

Questions # 2:

A developer creates a MySQL database service on a Linux ECS instance (ECS-A), and wants to access this database service from another instance (ECS-B) in the same VPC using the private IP address bound to the ECS instance, however, the connection can't be established. What could cause this? (Number of correct answers: 2)

Options:
A.

The security group for ECS-A does not have the default MySQL service port open.

B.

The built-in firewall on ECS-A has rules that prohibit external access to the MySQL service port.

C.

No Internet IP address is configured for ECS-A.

D.

The bind-address parameter set in the my.ini configuration file of the MySQL service is commented out.

Questions # 3:

Which of the following configurations cannot improve the stability, reliability or availability of an Alibaba Cloud Scaling Group? (Number of correct answers: 3)

Options:
A.

Select multiple VPCs when creating the scaling group

B.

When creating the scaling group, select multiple Vswitches in multiple Zone within a Region

C.

Choose a variety of different ECS types when creating your Scaling Configuration

D.

In the process of creating a Scaling Group, associate multiple Server Load Balancers

Questions # 4:

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

Options:
A.

Windows

B.

Linux

C.

macOS

D.

Android

Questions # 5:

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)

Options:
A.

Event Notifications can cross regions.

B.

Message Service provides synchronous notifications to ensure the consistency between the message acknowledgment and event processing.

C.

The event notification message is retained within the valid time. When you fail to receive an event message, the event notification message is retried based on the specified retry policy.

D.

The consumer type of the event notification message can be HTTP Server, Queue, or Topic.

Questions # 6:

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

Options:
A.

Alibaba Cloud provides a wealth of block storage products for ECS, including Cloud Disks (virtualized storage) and Local Disks (physically attached to the server(s) that host your ECS Instances).

B.

Both Local Disks and Cloud Disks use a multi-copy distributed storage mechanism, which has low latency, high performance, durability, and high reliability, and supports creation, expansion and release at any time.

C.

Cloud Disks come In several different varieties: ESSD (Enhanced Solid State) Cloud Disks. SSD (Solid State ) Cloud Disks, and high-efficiency Cloud Disks.

D.

Two types of Cloud Disks can be attached to an ECS: System Disks and Data Disks. System Disks host the ECS instances operating system.

Questions # 7:

Which of the following descriptions of the principles of Alibaba Cloud SSL certificate private key protection is correct?

Options:
A.

Alibaba Cloud uses the built-in functionality of the SSL certificate service to encrypt and store the private key to certificates private key

B.

The plaintext of Alibaba Cloud's private key is usually stored on disk and backed up regularly

C.

Alibaba Cloud Certificate Service uses symmetric encryption to save the certificate private key

D.

Alibaba Cloud Certificate Service keys are loaded Into memory in plaintext format ONLY when needed

Questions # 8:

Which of the following web applications are suitable for deployment on Simple Application Server (SAS), as compared with LCS? (Number of correct answers: 3)

Options:
A.

Quickly build a personal blog website

B.

Quickly build a small e-commerce website

C.

Quickly build serverless site using Function Compute

D.

Set up a NoSQL database service

E.

Quickly build a personal, learning, or test environment

Questions # 9:

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?.

Options:
A.

OSS event trigger(s)

B.

CloudMonitor trigger(s)

C.

MNS topic trigger(s)

D.

SLS trigger(s)

Questions # 10:

A certain project of Enterprise A (called Project-X) moves to the cloud and will need to use a variety of s Alibaba Cloud resources, such as ECS instances, RDS instances, SLB instances, and OSS storage space. There are multiple employees on the project who need to operate these cloud resources. Because each employee has different job responsibilities and requires different permissions, what is the WRONG approach to resource management?

Options:
A.

Create RAM users each employee, and set login passwords or create AccessKey credentials as needed

B.

When creating RAM for users, give each user both web console AND AccessKey credentials: there is no need to keep these separate

C.

When there are multiple RAM users under a cloud account, create user groups to classify and authorize RAM users with the same responsibilities

D.

Use system policies to bind reasonable permissions policies to users or user groups, and customize policies for more fine-grained control

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