A developer has written a web application using a microservice architecture, in such an 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. 4
B. 5
C. 3
D. 6
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 2:
Which of the following engines is NOT supported by PolarDB?
A. MongoDB
B. Oracle
C. MySQLo
D. PostgreSQL
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 3:
Which of these log formats is currently supported by Alibaba Cloud's ActionTrail?
A. XML
B. HTML
C. JSON
D. Markdown
正解:C
解説: (Pass4Test メンバーにのみ表示されます)
質問 4:
Which of the following fields should be defined in the Alibaba Cloud Terraform Provider Configuration? (Number of correct answers: 3)
A. access_key
B. ecret_key
C. region
D. image_id
正解:A,B,C
解説: (Pass4Test メンバーにのみ表示されます)
質問 5:
Which of these metrics are collected by CloudMonitor's Host Monitoring function? (Number of correct answers: 3)
A. Running processes on the ECS instance
B. Storage space used by OSS buckets
C. ECS network I/O
D. CPU status of the ECS instance
正解:A,C,D
解説: (Pass4Test メンバーにのみ表示されます)
質問 6:
Which of the following steps is NOT mandatory when creating an API through Alibaba Cloud API Gateway?
A. Define the API backend service
B. Attach a domain name
C. Define API Request parameters
D. Define basic API information
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 7:
Which of the following statements about ECS Snapshot is NOT correct?
A. You can create automatic snapshots
B. You can create an ECS instance from a snapshot
C. You can manually create snapshots
D. You can roll back a disk by using a snapshot
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
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爱川** -
さっき受験スコアが届いてました。Pass4Testの問題集のおかげで高得点で受かりました。