H12-921_V1.0 Huawei HCIE-Data Center Network (Written) V1.0 exact Exam Questions

HCIE-Data Center Network (Written) V1.0

Last Update 17 hours ago Total Questions : 239

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Question # 31

Which of the following objects does the OpenStackFWaaSv model consist of?

Firewall

Firewall Policy

Firewall Rule

FirewalAction

Question # 32

In the open and programmable overall solution of CloudFabric network services, AOC is responsible for the unified management of heterogeneous network devices, and it uses which of the following options to implement this function based on the file type?

JSON

pyc

.XML

YANG

Question # 33

In a CloudFabric solution, the fault detection and fault-tolerant design of the firewall includes ?().

A heartbeat cable is deployed between the two FWs to check the status of the peer FW and the heartbeat link connectivity

It is recommended that each FW and service be connected in a single-arm mode, and the upstream and downstream logical ports fail at the same time, resulting in higher failover performance

Link fault: If any link on the edge leaf of the FW primary connection fails, the M-lag member port goes down, and the double homing becomes single homing, which does not affect the forwarding of FW primary traffic

FW fault: After the FW is switched over to the primary/standby, the FW sends a free ARP packet to trigger the refresh of the forwarding entries on the switch and direct the traffic to the FW standby

Question # 34

In the CloudFabric cloud-network integration scenario, when the underlay network is manually deployed, which of the following options does not need to be deployed on the firewall?

Enable the NETCONF function

Set the default security policy to Allow

Turn on the virtual system

Configure hot standby for two machines in load balancing mode

Question # 35

What are the correct terms of the following description of ECN high and low thresholds?

If the queue cache is higher than the high threshold, all packets are discarded

When the queue cache is above the high threshold, all ECN tokens are performed

The queue cache is above the low threshold but below the high threshold, and the closer it is to the high threshold, the higher the probability of tagging

When the queue cache falls below a low threshold, no ECN tagging is performed

Question # 36

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

In the NSH implementation, the service chain function is implemented by inserting the NSH header into VXLAN packets

In the PBR implementation, the controller delivers PBR diversion policy routes to SFF and SC nodes hop-by-hop through NETCONF

In PBR implementation, the controller delivers filtering and redirection policies to the SC nodes to selectively redirect service traffic

In the NSH implementation, the SF node must support NSH

Question # 37

After the dual-stack transformation of the Internet access area of the data center network, which of the following methods can the network egress choose to interconnect with the operator ' s IPv network?

Static IPv6 routes

OSPFv3

IBGP4+

EBGP+