Practice Free H12-631_V1.0-ENU Exam Online Questions
DevOps emphasizes "continuous feedback," meaning that developers can quickly get feedback on whether code changes are effective.
- A . True
- B . False
The log collection solution packages ELK, EFK, and Filebeat all rely on Elasticsearch to store data.
- A . True
- B . False
In Ceph, when creating a resource pool, if pg_num is specified as 32 and size is 3, and there are 4 OSDs in the system, the system will distribute the PG evenly among each OSD.
- A . True
- B . False
A container’s lifecycle includes multiple states. Which of the following state transitions are impossible to achieve? (Multiple choice)
- A . Create and run
- B . Delete and run
- C . Stop converting to deletion
- D . Create and pause
When building a Kubernetes network, if the cluster is for internal enterprise use, is large in scale, and has high performance requirements, which of the following networking methods should be used?
- A . L3 routing
- B . Overlay networking
- C . CL2 bridging
- D . MacVlan
In Ceph, which of the following RBD features depend on exclusive-lock? (Multiple choice)
- A . Object-map (Correct): Used to track the allocation status of data blocks, it is the foundation of the locking mechanism.
- B . laying: Invalid term (possibly a misspelling of "layering," a basic function but unrelated to locking mechanisms)
- C . journaling (correct): ensures the atomicity and crash consistency of lock operations ("joumaling" is a misspelling in the question).
- D . fast-diff: A fast difference comparison function, independent of lock management.
When installing Ceph using Cephadm, the push point configuration in Nanchong fails to generate a Ceph cluster that is not compatible with any push point configuration.
- A . True
- B . False
kca is a sub-project of OpenStack, primarily used for containerized deployment and management of OpenStack services.
- A . True
- B . False
In Ceph’s CRUSH rules, which of the following values can be set to the number of replicas for a storage pool created using this rule? (Multiple choice)
- A . 2
- B . 4
- C . 5
- D . 8
In cloud-native systems, which of the following is the method by which gala-ops identifies and obtains Pods, containers, and applications?
- A . gala-ops identifies and reports the status of all containers, Pods, and applications, while administrators manually categorize different objects.
- B . Gala-ops automatically integrates with Kubernetes. By reading information from etcd, it can successfully identify and distinguish pods and containers. Applications need to embed tracking points in their code to report their status to Gala-ops.
- C . gala-ops flame graph probes can automatically identify pods and containers on the local machine and add workload, container, and process ID information to the graph.
- D . Management needs to embed different points in the corresponding objects and inform gala-ops.