Question 1

Which of the following statements are true about a routing design that employs OSPF on the underlay network of a DC? (Select All that Apply)

Options :

A :

Typically, the IP address of Loopback0 is configured as the VTEP IP address and the same IP address is planned for active-active leaf nodes in the same group

B : The network type of spine and leaf nodes can be set to P2P in order to accelerate convergence.

C : This routing design is recommended when the DC has more than 300 switches.

D : It is recommended that all devices be planned in Area 0.

Answer: A,B

Question 2

The figure shows an incomplete VXLAN packet format.

Which of the following positions should the VXLAN header be inserted into so that the packet format is complete?

Options :

A : 3

B : 1

C : 4

D : 2

Answer: D

Question 3

In the VPC interworking scenario, traffic is checked and filtered only by the firewall in the source or destination VPC.

Options :

A : TRUE

B : FALSE

Answer: B

Question 4

In EVPN Type 3 routes, the MPLS Label field carries a Layer 3 VNI.

Options :

A : TRUE

B : FALSE

Answer: B

Question 5

iMaster NCE-Fabric is Huawei's DC controller. Tenants can use it to create VPCs and deploy logical networks as required. After logical NEs are deployed, the corresponding network configurations are delivered to underlying network devices. Which of the following statements is false about the delivered network configurations?

Options :

A :

Logical switches are mainly used for Layer 3 communication between hosts on a VXLAN network. These switches correspond to Layer 3 gateway configurations such as VBDIF interface and VPN instance configurations on physical devices.

B :

An end port represents an online host. It corresponds to the traffic encapsulation type (whether a VLAN tag is carried) configured on a Layer 2 sub-interface of a physical device.

C :

A logical port is equivalent to an independent physical port that is used by a host to connect to a VXLAN network. It corresponds to the Layer 2 sub-interface configuration on a physical device.

D :

Logical switches are mainly used for Layer 2 communication between hosts on a VXLAN network. These switches correspond to BD and Layer 2 VNI configurations on physical devices.

Answer: A

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