Online Access Free Huawei.H12-831_V1.0-ENU.v2022-08-02.q90 Practice Test (Page 10)

H12-831_V1.0-ENU Exam Question 41

In an operator's MPLSVPN network, there are two devices, PE1 and PE2, for MPLSVPN data forwarding. PE1 receives a 172.16.1.0/24 private network route from the client, and transforms it into a VPNv4 route on PE1 and assigns labels. Released to PE2 as 1027. The outgoing label of the MPLSLSR-ID from PE2 to PE1 is 1025.
When the client on PE2 accesses 172.16.1.0/24, the inner and outer labels of the frame sent by PE2 should be the combination of the following options?

A.Outer label: 1027, inner label: 1027

B.Outer label: 1025, inner label: 1025

C.Outer label: 1025, inner label: 1027

D.Outer label: 1027, inner label: 1025

H12-831_V1.0-ENU Exam Question 42

A certain park deployed both IPv4 and IPv6 networks for service testing, and IS-IS was run to achieve network interconnection. IS-IS routing protocol has good scalability and is widely used in existing networks.
Regarding IS-IS scalability, which of the following statements are correct? (Multiple choice)

A.IS-IS uses TLV structure to construct messages, which makes IS-IS more flexible and expandable

B.For IS-IS, adding new features only needs to add a new TLV

C.NLPID is a new TLV of IS-IS to support IPv6

D.IS-IS needs to add TLV to carry Pv6 address information in order to support PV6

H12-831_V1.0-ENU Exam Question 43

Qing technology is a technology that expands the VLAN space. It achieves the function of expanding the VLAN space by adding a layer of 8D2.1Q Tag on the basis of the 8Q2.12 tag message.
Which of the following statements about qinq is wrong?

A.Flexible QinQ can add different outer tags according to different inner tags, which is more precise in the division of user VLANs.

B.QinQ increases the number of VLANs to 4095*4095

C.Basic QinQ is implemented based on the interface method

D.QinQ technology can make the private network LAN transparently transmitted on the public network

H12-831_V1.0-ENU Exam Question 44

What is the value of OSPF and BFD linkage?

A.The sending interval of BFD packets can reach the millisecond level, which is slower than the OSPF inductive link state

B.Any change in the BFD status will not affect the OSPF neighbor status

C.The hello sending interval of OSPF is at the second level, which is faster than BFD inductive link state

D.Through the BFD detected at the millisecond level, the OSPF status is associated to achieve the purpose of OSPF quickly inductive link state

H12-831_V1.0-ENU Exam Question 45

What is the most effective way to view device alarms through CLI?

A.display c1ock

B.display current-configuration

C.display interface brief

D.display alarm

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