Huawei H12-891_V1.0 問題練習

Question No : 1
In the dual-system hot backup scenario of the firewall, the heartbeat interface can be directly connected physically, or it can be connected through an intermediate device such as a switch or router.

• A.TRUE
• B.FALSE

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Question No : 2
In order to speed up the sensing speed of link failure in IS-IS network, IS-IS can be linked with BFD.

• A.TRUE
• B.FALSE

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Question No : 3
When there is a relay device between the DHCP client and the server, if the IP address in the global address pool of the DHCP server is not in the same network segment as the IP address of the VLANIF interface connected to the client on the relay device, it will cause a DHCP failure.

• A.TRUE
• B.FALSE

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Question No : 4
When MPLS is deployed in the network and the network layer protocol is IP, the route corresponding to the FEC must exist in the IP routing table of the LSR, otherwise the label forwarding entry of the FEC will not take effect.

• A.TRUE
• B.FALSE

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Question No : 5
Using BGP EVPN as the control plane of VXLAN can completely avoid traffic flooding in the VXLAN network, such as ARP broadcast packets.

• A.TRUE
• B.FALSE

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Question No : 6
Switch stacking and cross-device link aggregation can be deployed to achieve link reliability in small and medium-sized campus scenarios.

• A.TRUE
• B.FALSE

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Question No : 7
NVE is a network entity that realizes the function of network virtualization, and can only be a hardware switch.

• A.TRUE
• B.FALSE

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Question No : 8
Enterprises can access the Internet through dial-up connection, xDSL, xPON, etc.

• A.TRUE
• B.FALSE

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Question No : 9
BGP-LS (BGP Link State) carries information such as links, nodes and topology prefixes.

• A.TRUE
• B.FALSE

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Question No : 10
When the client calls the iMaster NCE-Campus login authentication RESTful interface, the method used is POST, and the request message body format is {"userName": "xxx", "password": "xxx"}

• A.TRUE
• B.FALSE

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Question No : 11
There are multiple protocols that can change or obtain network device data. Which of the following protocols cannot be used to change network device data?

• A.SNMP
• B.NETCONF
• C.RESTC NF
• D.IPsec

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Question No : 12
The following is a part of the NETCONF protocol message, <rpc xmlns="urn:ietf:params:xml:ns:netc nf:base:1.0" message-id="1024">Where is it located in the NETCONF architecture layer?

• A.Transport layer
• B.Message layer
• C.Content Layer
• D.Operation layer

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Question No : 13
Which of the following descriptions about Prefix Segmente is incorrect?

• A.On Huawei devices, Prefix Segment ID supports manual configuration and automatic protocol configuration
• B.Prefix Segment is identified by Prefix Segment ID (SID)
• C.Prefix Segment is used to identify a destination address prefix in the network
• D.Prefix Segment spreads to other network elements through IGP protocol, globally unique

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Question No : 14
Assuming that there are 5 segment IDs in the SRH of an SRv6 packet, when the packet reaches the third router on the forwarding path, the node will set the segment ID numbered by which of the following as the IPv6 destination address?

• A.5
• B.2
• C.Not sure
• D.3

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Question No : 15
Compared with traditional networks, SD-WAN can better ensure application experience. Which of the following is the main reason?

• A.SD-WAN can use IPsec technology to realize encrypted transmission of packets
• B.SD-WAN can provide different routing strategies and different QoS strategies for different applications
• C.SD-WAN can build various networking types such as Full Mesh, Hub-Spoke, Partial Mesh, etc.
• D.SD-WAN can realize multi-department business isolation based on VRF

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