Free Access Huawei.H31-161.v2022-12-15.q82 Practice Test (Page 15)

Question 66

Exhibit.

As shown in the figure, OSPF process 100 runs on both PEs and CEs, and VPN routers are transmitted
between PE 1 and PE 2 through PGB CE 1 enables interface address 43.1.1.0/24 in area 0.A route to
43.1.10/24. However, does not exist in the routing table of CE 2. What are the possiblecauses?

A.The LSDB of PE 1 does not have the type 1 LSA generated by CE 1.

B.The LSDB of PE 12 does not have the type 1 LSA generated by CE 1.

C.The public network rout to 43.1.1.0/24 does not exist in the routing table of PE2
.

D.The VPN route to 43.1.1.0/24 does not exist in the routing table of PE 2.

Question 67

<Quidway>display igmp group
IGMP interface group report information of VPN-Instance: public net
Ethernet6/1/1(40.1.1.1):
Total 1 IGMP Group reported
Group: 232.0.0.1
Uptime: 00:00:22
Expires: off
Last reporter: 40.1.1.3
Last-member-query-counter: 0
Last-member-query-timer-expiry: off
Group mode: include
Source list:
Source: 20.1.1.56
Uptime: 00:00:22
Expires: 00:05:08
Last-member-query-counter: 3
Last-member-query-timer-expiry: 00:00:01
Source: 20.1.1.57
Uptime: 00:00:22
Expires: 00:00:17
Last-member-query-counter: 3
Last-member-query-timer-expiry: 00:00:01
The preceding information shows the entry states in the IGMP interface table on Ethernet 6/1/1.
Which statement is true when IGMP sends source/group query messages?

A.IGMP sends two messages. In one message, the multicast source is 20.1.1.56 and the S flag is not configured. In the other message, the multicast source is 20.1.1.57 and the S flag is set to 1

B.IGMP sends one message in which the multicast sources are 20.1.1.56 and 20.1.1.57 and the S flag is set to 1.

C.IGMP sends one message in which the multicast sources are 20.1.1.56 and 20.1.1.57 and the S flag is not configured.

D.IGMP sends two messages. In one message, the multicast source is 20.1.1.56 and the S flag is set to 1. In the other message, the multicast source is 20.1.1.57 and the S flag is not configured.

Question 68

Which of the following statements about the merits of the HoVPN networking are true?

A.Packets are forwarded between a UPE and an SPE after being label. The UPE and SPE are connected through an interface (or a subinterface), helping reduce the usage of limited interface resources.

B.The SPE and UP exchange routes and advertise labels through MP-BGP. Each UPE runs only one - BGP peer, reducing system overheads and simplifying configuration.

C.If the UPE are SPE are separated by an IP/IPMLS network, they can be connected through a generic routing encapsulation (GRE) or LSP runnel . A hierarchical MPLS VPN provides good scalability.

D.Only local VPN routes need to be maintained on an SPE and remote routes on the SPE are represented by a default route or an aggregate route, reducing the load of the SPE.

E.The BGP/MPLS VPN can be deployed layers by layer. When the performance of a super strum provider edge (SPE) is insufficient, a user-end provider edge (UPE) can be added and the SPE moved to a lower layer. When the access capability of a UPE is insufficient, and SPE can be added.

Question 69

Which of the following statements about IGP Shortcut and FA are true?

A.When IGP Shortcut is enabled, MPLS TE tunnels can be advertised to routers as if they are links.

B.OSPF BFD does not need to be applied to IGP Shortcut-enabled tunnels.

C.If FA is enabled on an MPLS TE tunnel, the MPLS TE tunnel can be shared by other routers.

D.An MPLS TE tunnel is viewed as a link and the MPLS TE tunnel interface is used as the outbound interface of a route.

Question 70

As shown in the figure, MPLS, MPLS TE, and MPLS RSVP-TE are configured on RTA, RTB, RTC, and RTD. Tunnel1/0/0 and Tunnel2/0/0 are set up based on the explicit path RTA-RTB-RTC. Tunnel1/0/0 has a hot-standby path (RTA-RTD-RTC) and an FRR path: RTA-RTD-RTC, whereas Tunnel2/0/0 has an ordinary path (RTA-RTD-RTC) and an FRR path. Which of the following statements are true?

A.When the link between RTA and RTB is faulty, the state of Tunnel2/0/0 is ordinary inuse.

B.When the link between RTB and RTC is faulty, the state of Tunnel2/0/0 is ordinary inuse.

C.When the link between RTA and RTB is faulty, the state of Tunnel2/0/0 is FRR inuse.

D.When the link between RTA and RTB is faulty, the state of Tunnel1/0/0 is hotstanby inuse.

Other Version: 2301Huawei.H31-161.v2022-05-30.q78; 2724Huawei.H31-161.v2022-04-14.q86

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