Practice Free H12-891_V1.0-ENU Exam Online Questions
In the virtualized campus network design, which one of the following descriptions about Fabri c networking design is wrong?
- A . If you want to reuse the original access switch (which does not support VXLAN), you can deploy VXLAN covering the core layer to the aggregation layer.
- B . When the terminal scale is small, you can choose a centralized gateway network, in which Border serves as a gateway to manage the network in a unified manner.
- C . Single/Border networking can be selected according to different scenarios. The VXLAN centralized gateway supports single-Border or dual-Border deployment at the same time.
- D . If users in multiple VNs want to access the external network, and each VN has different security policies, the VN can be configured to interconnect with the external network using a Layer 3 exclusive egress.
Which of the following OSPF areas can only reach other areas through the default route?
- A . Non-backbone areas
- B . Backbone area
- C . totally stub area
- D . NSSA
All routers in a network enable SR-MPLS, and R1 encapsulates the label information of a data packet as shown in the figure. Which of the following is the forwarding path of the data packet at this time?
- A . R1-R2-R4-R6
- B . R1-R3-R5-R6
- C . R1-R3-R2-R4-R6
- D . R1-R2-R2-R5-R6
A company’s headquarters network and branch network are interconnected through the Internet. If you want to use VPN technology to ensure safe and reliable data transmission between headquarters users and branch users, which of the following VPN technologies is the most suitable?
- A . IPsec VPN
- B . SSL VPN
- C . L2TP VPN
- D . MPLS VPN
NETCONF defines a series of operations. Please match the NETCONF operations and functions accordingly.
For the same MAC address, the manually configured MAC table entry has a higher priority than the automatically generated table entry.
- A . True
- B . False
Which of the following descriptions of the GRE security mechanism is wrong?
- A . If the checksum is configured on the local end but not on the opposite end, the local end will not check the checksum on the received packets, but will check the checksum on the sent packets.
- B . If the checksum is not configured on the local end but is configured on the opposite end, the local end will check the checksum on the packets sent from the opposite end and will not check the checksum on the packets sent.
- C . If the keyword is configured on the local end of the tunnel but not on the opposite end, the tunnel can forward user packets normally.
- D . The GRE tunnel can be established only when the identification keywords set at both ends of the tunnel are completely consistent.
As shown in the figure is an SRv6 message. If the destination IPv6 field of the IPv6 basic header at this time is FC04::4, then the value of the SL field in the SRv6 header at this time should be ().
Which of the following is the Layer 3 logical interface used to implement different VXLAN virtual network communications on the VXLAN L3 Gateway?
- A . VBDIF interface
- B . NVE interface
- C . VLANIF interface
- D . Layer 2 sub-interface
Currently, Huawei uses the TLS protocol as the bearer protocol of the NETCONF protocol.
- A . True
- B . False