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Huawei H12-891 Practice Test - Questions Answers, Page 13

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Regarding the certification of the ISIS protocol, there is a correct statement
View the details of all VPN instances on a network device and the results are as follows, which of the following statements is wrong?( Multiple choice questions).
The default configured switch has an empty MAC address table at this time , and Host A connected to the switch issues the first unicast data frame, so what will the switch do after receiving the teaching system?( Single choice questions).
The Option field in OSPFv3 appears in all LSAs
In Huawei devices, when SIS introduces external routes and sets external route tags for route information, the Metric type of ISIS does not need to be modified and remains default.
If the PIM-SM protocol is running in a multicast network , you need to configure RP, and the configuration equation of RP is divided into dynamic RP and static RP. The following configuration description of the RP is correct (radio).
The switch SWA and SWB are connected together by 2 Ethernet links, where the switch SWA has the following interface configuration:
What of the following actions can enable fast failure detection on multicast networks?
As shown in the figure, which of the following options satisfies two routers to establish an ISIS neighbor?( Single choice questions).
In the use of the CP protocol, the following description is correct?

Question 121

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Assume that BGP/MPLSIPVVPN, OSPF, LDP, and static routing protocols are already enabled on the PE router . Which of the following protocols need to enable GR on PE in order to get NSF functionality? (Multiple choice questions).

A.
BGP
A.
BGP
Answers
B.
Static circuit
B.
Static circuit
Answers
C.
OSPF
C.
OSPF
Answers
D.
MPLS LDP
D.
MPLS LDP
Answers
Suggested answer: A, C, D

Question 122

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Huawei's SDN controller using VXLAN technology is fixed?

A.
Agile Controller-Campus
A.
Agile Controller-Campus
Answers
B.
Agile Controller-WAN
B.
Agile Controller-WAN
Answers
C.
Agile Controller-DCN
C.
Agile Controller-DCN
Answers
Suggested answer: C

Question 123

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Two VTEPs in an XLAN can identify a VXLAN tunnel, and this VXLAN tunnel between the VTEPs will be covered by two NDEs is common to all VNI.

A.
True
A.
True
Answers
B.
False
B.
False
Answers
Suggested answer: A

Question 124

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The following statement about the VXLAN gateway is incorrect?( Single choice questions).

A.
Layer 2 gateway: Used to solve the problem of tenant access to the VXLAN virtual network, and can also be used for subnet communication of the same VXLAN virtual network.
A.
Layer 2 gateway: Used to solve the problem of tenant access to the VXLAN virtual network, and can also be used for subnet communication of the same VXLAN virtual network.
Answers
B.
Layer 3 gateway: Used for cross-subnet communication of the VXLAN virtual network and access to external networks.
B.
Layer 3 gateway: Used for cross-subnet communication of the VXLAN virtual network and access to external networks.
Answers
C.
VXLAN Layer 3 gateways can be divided into centralized gateways and distributed gateways.
C.
VXLAN Layer 3 gateways can be divided into centralized gateways and distributed gateways.
Answers
D.
Layer 2 gateway and VPN instance binding.
D.
Layer 2 gateway and VPN instance binding.
Answers
Suggested answer: D

Question 125

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To build a loopless Layer 2 network, which of the following schemes is optimal?( Single Choice)

A.
Stacking + Link Aggregation
A.
Stacking + Link Aggregation
Answers
B.
TRILL+MSTP
B.
TRILL+MSTP
Answers
C.
??+MSTP
C.
??+MSTP
Answers
D.
Link Collection + MSTP
D.
Link Collection + MSTP
Answers
Suggested answer: A

Question 126

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The default configured switch has an empty MAC address table at this time , and Host A connected to the switch issues the first unicast data frame, so what will the switch do after receiving the teaching system?( Single choice questions).

A.
The switch will drop the data frame
A.
The switch will drop the data frame
Answers
B.
The switch records the source MAC address of the data frame and floods the data frame
B.
The switch records the source MAC address of the data frame and floods the data frame
Answers
C.
The switch will forward data to interface
C.
The switch will forward data to interface
Answers
D.
based on the mesh MAC address of the data frame The switch caches the data frame and waits for the destination host to send the effect frame before forwarding it
D.
based on the mesh MAC address of the data frame The switch caches the data frame and waits for the destination host to send the effect frame before forwarding it
Answers
Suggested answer: B

Question 127

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If a Huawei S series switch needs to designate a member switch as the primary switch of the stack, it can power on this switch first, and then power on other member switches after 20s.

A.
True
A.
True
Answers
B.
False
B.
False
Answers
Suggested answer: A

Question 128

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The following description of 8021S deployment characteristics is correct?( Multiple choice question)

A.
All VLANs share a spanning tree instance
A.
All VLANs share a spanning tree instance
Answers
B.
Multiple bridges share a spanning tree instance
B.
Multiple bridges share a spanning tree instance
Answers
C.
Each VLAN has one spanning tree instance
C.
Each VLAN has one spanning tree instance
Answers
D.
Multiple VLANs share a spanning tree instance
D.
Multiple VLANs share a spanning tree instance
Answers
Suggested answer: D

Question 129

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The following description of the attributes of BGP is correct?( Single choice questions).

A.
The AS deficit of the adjacent AS is ranked at the far right of the list of AS_Path in the BGP route entry.
A.
The AS deficit of the adjacent AS is ranked at the far right of the list of AS_Path in the BGP route entry.
Answers
B.
When the B. BGP Speaker publishes a route learned from an EBGP peer to an IBGP peer, it does not change the next hop attribute of that routing information.
B.
When the B. BGP Speaker publishes a route learned from an EBGP peer to an IBGP peer, it does not change the next hop attribute of that routing information.
Answers
C.
Local_Pref is valid only between EBGP peers and is not advertised to third-party AS.
C.
Local_Pref is valid only between EBGP peers and is not advertised to third-party AS.
Answers
D.
A route can have only one community attribute value.
D.
A route can have only one community attribute value.
Answers
Suggested answer: B

Question 130

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The following statement about the alliance is correct?( Single choice questions).

A.
The consortium divides an AS into sub-AS, and the alliance external AS still considers the consortium to be an AS
A.
The consortium divides an AS into sub-AS, and the alliance external AS still considers the consortium to be an AS
Answers
B.
Subsystems within a consortium can use private AS numbers. Huawei NE/AR routers, a consortium can be configured with up to 32 subsystems
B.
Subsystems within a consortium can use private AS numbers. Huawei NE/AR routers, a consortium can be configured with up to 32 subsystems
Answers
C.
Consortium can easily detect the routing loop within the AS because EBGP is running between the subAS.
C.
Consortium can easily detect the routing loop within the AS because EBGP is running between the subAS.
Answers
D.
The subas number of the consortium, which by default notifies BGP peers outside the consortium
D.
The subas number of the consortium, which by default notifies BGP peers outside the consortium
Answers
Suggested answer: D
Total 610 questions
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