Which of the following detection protocol is NOT supported by CloudMonitor's Site Monitoring
feature?
D
A developer accesses logs in a Log Service Logstore via the API. The error code returned by the server
is 404. Which of these could be the cause?
A
A developer have written a web application using a microservice architecture, in such a architecture,
the client (web browser or mobile application) first initiates a request. The request first reaches the
load balancer, then goes through an authentication service, a billing service, then requests a
resource, and finally a result is returned. How many spans does such a call chain consist of?
A
Which of the following statements about PolarDB's endpoint(s) is NOT correct?
D
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?
A
Which of the following options is not included in Object Storage Service (OSS) object URLs?
A
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?
D
To meet data analytics requirements on large datasets, which of these databases can meet the
demand for structured and semi-structured storage for almost all types of data, albeit with limited
support for strong transactions?
C
A mobile application developer intends to use Alibaba Cloud Object Storage Service (OSS) to store
the end user data for their app, and to ensure data isolation between each user of the app, to
prevent one user from obtaining another's dat
a. Which method can be done to meet these requirements?
B
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?
A