Which of the following must be considered before you optimize the performance of an N8500 clustered NAS storage system? (Select three)
A. Evaluate the feasibility of the performance target based on your experience.
B. Use a fixed testing environment for performance optimization.
C. Determine the testing mode based on services to ensure the comparability of the test results.
D. Performance optimization has no impact on ongoing services. You do not need to worry about the pressure on services.
Which of the following statements about different service applications' storage performance and capacity requirements are correct?
A. Compared with an email application, an enterprise OLTP/OLAP database requires higher storage performance.
B. Compared with picture and video applications, a large-sized relational database requires a larger storage capacity.
C. Compared with the content delivery network application, the backup and archive services require higher storage performance.
D. Compared with a real-time online service system, scientific computing requires higher storage performance.
Compared with a relational database, which of the following are advantages of NoSQL? (Select three)
A. Flexible scalability
B. High availability
C. High cost-effectiveness
D. Feature richness
The fencing function provided by an N8500 prevents split-brain from occurring. Which of the following statements about fencing are correct? (Select three)
A. Monitors GAB and checks the changes of cluster members.
B. Ensures the single view of cluster members.
C. Prevents multiple nodes from using a volume manger to access the shared storage.
D. Automatically recovers the master node if the cluster becomes abnormal.
If an engine node of an N8500 storage system cannot be started, which of the following measures is incorrect?
A. Replace the CPUs.
B. Replace the memory.
C. Replace the Fibre Channel interface cards.
D. Replace the main board.
Which of the following statements about the application scenarios of different nodes of the HUAWEI OceanStor 9000 big data storage systems is correct?
A. The mini-capacity node applies to small-capacity scenarios.
B. The performance node applies to large-capacity and high-bandwidth scenarios.
C. The capacity node applies to OPS-intensive scenarios.
D. None of the above is correct.
Which of the following statements about the CIFS protocol are true? (Choose all that apply.)
A. CIFS transmits data based on TCP.
B. CIFS transmits data based on UDP.
C. CIFS is a file sharing protocol used in Linux.
D. CIFS is a file sharing protocol used in Windows.
Which of the following statements about the N8500 configuration prerequisites are correct? (Select three)
A. The heartbeat network ports of the clustered NAS engine are correctly connected to the heartbeat network.
B. The service network ports of the clustered NAS engine are not connected to the customer's service network before they are configured.
C. The clustered NAS engine is correctly powered on and the statuses of the indicators are normal.
D. Hardware installation and cable connection of the clustered NAS engine are complete.
In the IB networking solution of the OceanStor 9000, which of the following statements about the IP address planning of the front-end service network is correct?
A. Two static IP addresses on the front-end service network must be planned for each node.
B. Four dynamic IP addresses on the front-end service network must be allocated to each node for the IP address pool used by the InfoLink function.
C. One InfoLink DNS IP address on the front-end service network must be planned.
D. One floating IP address on the front-end service network must be planned for each node.
An N8500 clustered NAS engine can be connected to a SAN storage array over a Fibre Channel network and a SAS network concurrently.
A. True
B. False
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