最新的Huawei H31-161免費考試真題

問題1

Which of the following statements about the working principle f LDAP FRR are true?

A. After LDP FRR enable, a backup can degenerated for a primary LSP to prevent serious packet loss during fats flapping of the primary LSP.

B. LDP TFRR can be deployed on the ingress node and the intermediate node. The primary and backup LSPas are recorded in the ILM table on the intermediate node and on the FIB table on the ingress node.

C. After LDP FRR is enabled, a backup LSP is generated both the primary and backup LSPs are stored in the forwarding table.

D. Multiple LSPs can be up on the ingress node, that is entries about multiple backup LSPs are generated in the forwarding table according to the priority of the FRR, implementing multi-layer protection.

正確答案: A

問題2

The Huawei router is the last hop DR where the SSM Mapping function is enabled at the interface.
Some IGMPv2 hosts expect to receive (1.0.0.1, 232.1.0.1), (1.0.0.1, 232.1.0.2), and (2.0.0.1,
232.1.3.2) dat
a. How can you satisfy the preceding requirements with the least configurations?

A. ssm-mapping 232.1.3.1 24 2.0.0.1

B. ssm-mapping 232.1.0.2 32 1.0.0.1

C. ssm-mapping 232.1.3.0 8 2.0.0.1

D. ssm-mapping 232.1.0.0 24 1.0.0.1

E. ssm-mapping 232.1.0.1 32 1.0.0.1

F. ssm-mapping 232.1.3.2 16 2.0.0.1

正確答案: A,D

問題3

All nodes in the topology belong to the same IGP are
a. They can learn routers from each other and have the TE capability. The tunnels configured below can be Up. Refer to the following configuration of RTA,Which of the following statements are true?
#
mpls lsr-id 1.1.1.1
mpls
mpls te
mpls rsvp-te
mpls te cspf
#
explicit-path pri-path
next hop 3.1.1.2
next hop 4.1.1.2
next hop 5.1.1.2
#
explicit-path bypass-1
next hop 2.1.1.2next hop 6.1.1.1
#
explicit-path bypass-2
next hop 2.1.1.2
next hop 7.1.1.2
#
explicit-path bypass-3
next hop 8.1.1.2
next hop 9.1.1.2
#
interface Tunnel1/0/0
ip address unnumbered interface LoopBack0
tunnel-protocol mpls te
destination 4.4.4.4
mpls te tunnel-id 100
mpls te record-route label
mpls te path explicit-path pri-path
mpls te fast-reroute
mpls te commit
#
interface Tunnel2/0/0
ip address unnumbered interface LoopBack0
tunnel-protocol mpls te
destination 2.2.2.2
mpls te tunnel-id 101
mpls te record-route label
mpls te path explicit-path bypass-1
mpls te bypass-tunnel
mpls te protected-interface GigabitEthernet 3/0/0
mpls te commit
#
interface Tunnel2/0/1
ip address unnumbered interface LoopBack0
tunnel-protocol mpls te
destination 3.3.3.3
mpls te tunnel-id 102
mpls te record-route label
mpls te path explicit-path bypass-2
mpls te bypass-tunnel
mpls te protected-interface GigabitEthernet 3/0/0
mpls te commit
#
interface Tunnel2/0/2ip address unnumbered interface LoopBack0
tunnel-protocol mpls te
destination 4.4.4.4
mpls te tunnel-id 103
mpls te record-route label
mpls te path explicit-path bypass-3
mpls te bypass-tunnel
mpls te protected-interface GigabitEthernet 3/0/0
mpls te commit
#

A. TE FRR link protection can be enabled on Tunnel2/0/0 to protect Tunnel1/0/0.

B. TE FRR cannot be enabled on any tunnels.

C. TE FRR node protection can be enabled on Tunnel2/0/2 to protect Tunnel1/0/0.

D. TE FRR node protection can be enabled on Tunnel2/0/1 to protect Tunnel1/0/0.

正確答案: D

問題4

Configurations are as follows:
#
multicast routing-enable
#
msdp
peer 2.2.2.2 connect-interface loopback0
peer 3.3.3.3 connect-interface loopback0
import-source acl 3000
peer 2.2.2.2 sa--policy import acl 3001
peer 3.3.3.3 sa--policy export acl 3002
#
Interface loopback0
ip address 1.1.1.1 32
pim sm
#
acl 3000
rule 5 deny ip destination 230.0.0.1 0 source 30.0.0.1 0
rule 10 permit ip
#
acl 3001
rule 5 permit ip destination 231.0.0.1 0 source 30.0.0.1 0
#
acl 3002
rule 5 permit ip destination 233.0.0.1 0 source 30.0.0.1 0
#
Which statement is true?

A. A router sends a locally generated (30.0.0.1, 230.0.0.1) SA message to its MSDP peer 2.2.2.2.

B. A router can receive a (30.0.0.1, 230.0.0.2) SA message from its MSDP peer 2.2.2.2.

C. A router sends a locally generated (30.0.0.1, 230.0.0.2) SA message to its MSDP peer 2.2.2.2.

D. After receiving a (30.0.0.1, 230.0.0.1) SA message from its MSDP peer 2.2.2.2, a router forwards the message to its MSDP peer 3.3.3.3.

正確答案: C

問題5

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 access
[Quidway-GigabitEthernet1/0/4]port default vlan 1
[Quidway-GigabitEthernet1/0/6]portswitch
[Quidway-GigabitEthernet1/0/6]port link-type access
[Quidway-GigabitEthernet1/0/6]port default vlan 2
[Quidway-GigabitEthernet1/0/3]portswitch
[Quidway-GigabitEthernet1/0/3]port link-type trunk
[Quidway-GigabitEthernet1/0/3]port trunk permit-pass vlan 1 to 2
Users 1 and 2 require different network transmission quality. Which of the following methods are feasible to configure 802.1p priority 1 for packets of user 1 and 802.1p priority 2 for packets of user
2?

A. On a PE, configure vlan-mapping and STC for interfaces on the private network for users 1 and 2.

B. On a PE, configure vlan-stacking and STC for interfaces on the private network for users 1 and 2.

C. On a CE, configure STC for user VLANs on the user access side.

D. On a PE, configure Dot1q tunnel interfaces and simple traffic classification (STC) for interfaces on the private network.

正確答案: A,B

問題6

Exhibit:

Which of the following statements are false?

A. Ethernet 6/2/0 sends a state-refresh messages every 10 seconds

B. Ethernet 6/2/0 sends a PIM hello message every 100 seconds.

C. The TTL value is 60 in state-refresh messages sent by the router

D. If the PIM-DM is enabled at Ethernet 6/2/0 on a router, the PIM-SM cannot be enabled at other interfaces on the router.

正確答案: D

問題7

RTA is a leaf router that directly connects to host A through interface GigabitEthernet 1/0/0. The interface is configured as follows:
interface Ethernet1/0/0
undo shutdown
ip address 192.168.4.2 255.255.255.0
pim sm
igmp enable
igmp version 3
igmp ssm-mapping enable
Configurations in the IGMP view are as follows:
igmp
ssm-mapping 233.1.1.0 255.255.255.0 10.10.1.1
A user sends an IGMPv2 Report message on host A to join groups 232.1.1.1 and 233.1.1.1 but the user cannot receive (10.10.1.1, 232.1.1.1) and (10.10.1.1, 233.1.1.1) messages. To solve this problem, which of the following configurations are required?

A. Configure ssm-policy in the PIM view and use the ACL to set the SSM group address range to 232.1.1.1.

B. Configure ssm-mapping 232.1.1.0 255.255.255.0 10.10.1.1 in the IGMP view.

C. Configure ssm-policy in the PIM view and use the ACL to set the SSM group address range to 233.1.1.1.

D. Configure ssm-policy in the PIM view and use the ACL to set the SSM group address range to 232.1.1.1 and 233.1.1.1.

正確答案: B,D

問題8

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

A. Disable MPLS

B. Shut down a public network tunnel

C. Delete the L2VPN services from an interface

D. Shut down an AC interface

正確答案: A,B,D

問題9

Which of the following statements about the working principle of LDP FRR are true?

A. After LDP FRR is enabled, a backup LSP can be generated for a primary LSP to prevent serious packet loss during fast flapping of the primary LSP

B. After LDP FRR is enabled, a backup LSP is generated. Both the primary and backup LSPs are stored in the forwarding table.

C. Multiple LSPs can be backed up on the ingress node, that is, entries about multiple backup LSPs are generated in the forwarding table according to the priority of the LDR FRR, implementing multilayer protection.

D. LDP FRR can be deployed on the ingress node and the intermediate node.The primary and backup LSPs are recorded in the ILM table on the intermediate node and in the FIB table on the ingress node.

正確答案: B,D

問題10

User A want to obtain a better network service for business development and signs an SLA with a corner. User A purchases a bandwidth of 5 Mbit/s to ensure the voice service (requiring short delay), vide service, key data services, and other services, If you were corner network administrator.
What would you do on the PE to ensure these services?

A. Mark the VoIP service as EF, set the CIR to 0Mbit/s, and set the PIR to 1 Mbit/s mark the video service as AF 4 and set the CIR and PIR to 2 Mbit/s mark key data services as AF3, set the CIR to 1 Mbit/s and the PIR to 5 Mbit/s: mark other services as AF1, set the CIR to 2 Mbit/s and Set PIR to 5 Mbit/s.

B. Mark the VoIP service as EF, set the CIR to 0Mbit/s, and set the PIR to 1 Mbit/s mark the video service as AF 4 and set the CIR and PIR to 2 Mbit/s mark key data services as AF3, set the CIR to 1 Mbit/s and the PIR to 5 Mbit/s: mark other services as AF1, set the CIR to 2 Mbit/s and Set PIR to 5 Mbit/s.

C. Mark the VoIP service as EF, set the CIR to 2 Mbit/s: marks the video service as AF 3 and set the CIR and PIR to 2 Mbit/s: mark key data services as AF4, set the CIR to 2 Mbit/s and the PIR to 5 Mbit/s mark other service as BE, set the CIR to 0 Mbit./s and set PIR to 5 Mbit/s

D. Mark the VoIP service as EF, set the CIR to 1 0Mbit/s, and set the PIR to 1 Mbit/s mark the video service as AF 4 and set the CIR and PIR to 2 Mbit/s mark key data services as AF3, set the CIR to 2 Mbit/s and the and the PIR to 5 Mbit/s : mark other services as BE, set the CIR to 0 Mbit/s and set PIR to 5 Mbit/s.

正確答案: D

問題11

On the MPLS Layer 3 VPN, PE security is key to the safety of the entire network. Which of the following security measures can be deployed on PEs?

A. PE-CE route protocol authentication

B. uRPF

C. Filter all CE packets that use the VRF interface address as the destination address based on the ACL rule.

D. VRF route capacity limitation

正確答案: A,B,D

問題12

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

A. The PE learns the MAC address of a directly connected CE through the attachment circuit (AC) and learns the MAC address of a remote CE through the pseudo wire (PW).

B. In unqualified mode, the PE learns MAC addresses on a per-VSI basis and all user VLANs share a broadcast domain and a MAC address space.

C. The PE learns the MAC address of a directly connected CE through the PW and learns the MAC address of a remote CE through the AC.

D. In qualified mode, the PE learns MAC addresses on a per-VLAN basis in each virtual switch instance (VSI). Each user VLAN has its own broadcast domain and independent MAC address space.

正確答案: A,B,D

最新的Huawei HCIE-Carrier IP (Written) - H31-161免費考試真題

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