H31-161 Exam Questions

Which of the following statements about the relationship between the SPE and the UPE are false?

Refer to the exhibit. As shown in the figure, basic BGP/MPLS IP VPN configuration has been completed on routers. Which of the following configurations is incorrect for advertising...

Refer to the exhibit. OSPF process 1 is started on RTA and assigned to the vpn1 instance. After the vpn-instance- capability simple command is configured in the OSPF view, which of...

On a BGP/MPLS VPN, a PE and a CE communicate with each other over OSPF. Which command cannot be configured on the PE?

Which statement about the OSPF VPN is true? (B)

Refer to the exhibit. As shown in the figure, VPN routes are transmitted between PE 1 and PE 2 through BGP. OSPF process 100 runs on both PEs and CEs. The following BGP route exist...

Which statement about the interworking between a VPN and the Internet is false?(D)

Refer to the exhibit. As shown in the figure, a CE requires access to the Internet, and PE 1 is connected to the Internet gateway. Configurations on PE 1 are as follows: PE 1: # na...

CR-LSP and GRE are selected as tunneling policies. CR-LSP has a higher priority and a maximum of three tunnels can be configured for load balancing. Which statement about tunnel se...

Which statement about the tunnel policy configuration is false?(A)

Refer to the exhibit. This figure shows the MPLS L3VPN networking. CE 1 and CE 3 belong to VPN A. CE 2 and CE 4 belong to VPN B. Two MPLS TE tunnels (5 Mbit/s and 10 Mbit/s) and an...

Refer to the exhibit. As shown in the figure, CE 1 and CE 2 belong to VPN A, both LDP and TE tunnels are configured between PE 1 and PE 2, the QPPB feature is configured on PE 2, a...

Which message does the pseudo wire emulation edge-to-edge (PWE3) add for LDP signaling extension compared with Martini VLL?

In which L2VPN technology is L2VPN information transferred through the extended LDP signaling?

Which of the following methods can be used to ensure loop-free and reachable Martini VPLS links?

Which of the following statements about the MAC address learning in VPLS are true? (ACD)

Which of the following are conditions for bringing the remote CCC connection Up? (ABE)

Which of the following operations will make a PE send notifications to its peer in PWE3?

Which of the following statements about the L2VPN are true?

Which of the following will cause an MPLS L2VPN VC to be Down?

When a PW works in RAW mode, which of the following statements are true?

Which of the following statements about the Martini VPLS are true?

As shown in the figure, one enterprise has VPN A, the other has VPN B, and the two VPNs each have two CEs. The following requirements need to be met.VPNA-CE 1 can interwork with VP...

A PW is found Down after VPLS is configured on an NE series router. What are possible causes?

Which of the following combinations of LDP working modes supports LDP FRR?

In asymmetric dual-homing CE networking, which of the following statements about the VPN are true?

Which of the following statements about TE FRR in forwarding adjacency (FA) mode and TE FRR in IGP Shortcut mode are true?

As shown in the figure, IGP is configured on RT 1 and RT 2, and route 193.3.6.0/24 is configured on RT 2. Which of the following statements is correct? Suppose OSPF is used here. C...

As shown in the figure, the asymmetric VLL FRR networking is used. AC interfaces on PE 1, PE 2, and PE 3 are configured as follows: Configuration of the AC interface on PE 1: inter...

Which of the following statements about the fault notification in VLL FRR are true?

As shown in the figure, the PHP function is enabled on all routers by default and an MPLS TE tunnel RT 1-RT 2-RT 3-RT 4-RT 5 is set up between RT 1 and RT 5. See the figure for lab...

As shown in the figure, the costs of paths from RTA to RT 11, RT 12, RT 13, RT 14, and RT 15 are all 10 and the available bandwidth is 200 Mbit/s. The costs of paths from RTB to RT...

Which feature can make OSPF (or IS-IS) advertise MPLS TE tunnels as links?

Which of the following statements about LDP-IGP synchronization are true?

BFD for RSVP is a mechanism that uses BFD to check the connectivity of RSVP neighbors. As shown in the figure, TE FRR node protection is deployed to protect a node, the blue path i...

As shown in the figure, the mapping between links and administrative groups is as follows: 0x0F for A -> B; 0xFF for B -> C; 0xF0 for A -> C; 0xC3 for B -> D; and 0x3C for C -> D....

Which of the following statements about the destination addresses of packets and the Router Alert option are true?

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

In MPLS QoS, traffic policies are developed based on simple traffic classification and complex traffic classification. In traffic policies based on simple traffic classification, t...

As shown in the figure, RTA, RTB, RTC are interconnected over IS-IS, RTA, RTD, RTE, and RTC are interconnected over OSPF. Both IS-IS and OSPF use the default costs. RSVPTE is enabl...

All nodes in the topology belong to the same IGP area. They can learn routers from each other and have the TE capability. The tunnels configured below can be Up. Refer to the follo...

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. Tu...

As shown in the figure, RTA connects to RTB and RTC. A TE tunnel is configured on RTA to reach RTC. The TE tunnel cannot be successfully established. However, CSPFbased path calcul...

As shown in the figure, the primary tunnel uses the path RTA -> RTB -> RTC. There are two FRR paths: One protects the link between RTA and RTB and the other one protects the link b...

Which statement about MPLS Echo packets is true?

The traffic classification behavior is configured to the single rate dual-bucket CAR in color-blind mode at the upstream interface of the router. Configurations are as follows: [Qu...

As shown in the figure, CEs connect to users 1 and 2 through access interfaces or links. [Quidway-GigabitEthernet1/0/4]portswitch [Quidway-GigabitEthernet1/0/4]port link-type acces...

The edge routers of the MPLS network, partial interface configurations on the IP access side are as follows: [Quidway]diffserv domain default [Quidway-dsdomain-default]ip-dscp-inbo...

RTA is an edge router of the MPLS backbone network. It provides the access service for users under Layer 2 switches and differentiates users by subinterface. User A accesses VLAN 1...

As shown in the figure, the DiffServ model is deployed in E-LSP mode on the MPLS network. A tester connects to GE interfaces of RTA and RTC on the edge of the MPLS network through...