Free Huawei H12-921_V1.0 Exam Dumps Questions & Answers

Which of the following descriptions of the business chain is wrong?

• A.  In the NSH implementation, the service chain function is implemented by inserting the NSH header into VXLAN packets
• B.  In PBR implementation, the controller delivers filtering and redirection policies to the SC nodes to selectively redirect service traffic
• C.  In the PBR implementation, the controller delivers PBR diversion policy routes to SFF and SC nodes hop-by-hop through NETCONF
• D.  In the NSH implementation, the SF node must support NSH

Which of the following results is not supported by the service simu-lation function implemented on iMaster NCE-Fabric?

• A.  Connectivity analysis
• B.  Verification and analysis of network configuration parameters
• C.  Network-wide impact analysis
• D.  Resource footprint assessment

In a CloudFabric multi-computing lossless network, if a device wants to remove the PFC deadlock by not responding to a backpressure frame, which of the following lossless functions needs to be deployed?

• A.  PFC deadlock prevention
• B.  DCQCN
• C.  PFC deadlock detection
• D.  AI ECN

Which of the following descriptions of open source OpenStack Nova components is wrong?

• A.  When Nova creates a virtual machine, it calls the network interface of Glance to create the virtual machine
• B.  Nova supports creating, modifying, and deleting virtual machines
• C.  Nova relies on Keystone for certification services
• D.  Nova is used to provide virtual computing resource services for the OpenStack cloud platform

Which of the following is not included in the PCIe fabric?

• A.  Switch
• B.  PCIe Endpoint
• C.  Root Complex
• D.  Router