質問 1:The Huawei router is the hop RD where the SSM mapping function is enabled at the interface. Some IGMPv2 hosts expect to receive (1.0.01,232.1.0.1) (1.0.0.1232.1.0.2), and (2.0.0,232.1.3.2) dat a. How can you satisfy the preceding requirement with the least configurations?
A. ssm-mapping 232. 1 308 2 00.1
B. ssm-mapping 232. 1.0. 2. 32. 1. 0. 0. 1
C. ssm-mapping 232 1.0. 1 32. 1. 0. 0. 1
D. ssm-mapping 232.1.3.2 16.2.0.0.1
E. ssm-mapping 232. 1. 0. 0. 24. 1. 0. 0. 1
F. ssm mapping 232.1.3.1.24.2.0.0.1
正解:A
質問 2:An interface sends 300 Mbit/s user BE traffic. The downstream HQoS scheduling is configured at this interface as follows SQ: cir 15 Mbit/s pw 200 Mbit/s FQ. queue be Ipq shaping 10 CQ: port-queue be Ipq shaping shaping-percentage 10 outbound, port shaping 100 How much traffic is at the downstream outbound interface after HQoS scheduling?
A. 200 Mbit/s
B. 20 Mbit/s
C. 100 Mbit/s
D. 10 Mbit/s
正解:C
質問 3:Which of the following statements about IGP Shortcut and FA are true?
A. An MPLS TE tunnel is viewed as a link and the MPLS TE tunnel interface is used as the outbound interface of a route.
B. If FA is enabled on an MPLS TE tunnel, the MPLS TE tunnel can be shared by other routers.
C. When IGP Shortcut is enabled, MPLS TE tunnels can be advertised to routers as if they are links.
D. OSPF BFD does not need to be applied to IGP Shortcut-enabled tunnels.
正解:A,B,D
質問 4:In which L2VPN technology is L2VPN information transferred through the extended LDP signaling?
A. Martini
B. SVC
C. Cross circuit connection (CCC)
D. Kompella
正解:A
質問 5: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 exists on PE 2.
[PE 2]display bgp vpnv4 vpn-instance red routing-table 43.1.1.0
BGP local router ID: 194.1.1.1
Local AS number: 100
Paths: 1 available, 1 best
BGP routing table entry information of 43.1.1.0/24:
Label information (Received/Applied): 15362/NULL
From: 1.1.1.1 (192.2.1.1)
Relay Nexthop: 0.0.0.0
Original nexthop: 1.1.1.1
Ext-Community: RT <100: 1>, <555: 0>, <0.0.0.0: 256>, <111.1.1.1: 0>
Convergence Priority: 0
AS-path Nil, origin incomplete, MED 7, localpref 100, pref-val 0, valid, intern al, best, pre 255 Not advertised to any peer yet If the domain ID configured on PE 2 is 555, which statement is true?
A. The domain ID in the BGP route is different from that configured on PE 2 and the route type is specified by a Type 1 LSA. Therefore, PE 2 needs to generate a Type 5 LSA and send it to CE 2.
B. The domain ID in the BGP route is the same as that configured on PE 2 and the route type is specified by a Type 1 LSA. Therefore, PE 2 needs to generate a Type 5 LSA and send it to CE 2.
C. The domain ID in the BGP route is the same as that configured on PE 2 and the route type is specified by a Type 1 LSA. Therefore, PE 2 needs to generate a Type 1 LSA and send it to CE 2.
D. The domain ID in the BGP route is the same as that configured on PE 2 and the route type is specified by a Type 1 LSA. Therefore, PE 2 needs to generate a Type 3 LSA and send it to CE 2.
正解:D
質問 6:Which statement describes the delay requirement of the voice service for the IP bearer network?
A. No strict requirement.
B. Bearer network delay=50 ms, allowed maximum delay = 100 ms
C. Bearer network delay=10s, allowed maximum delay = 20s
D. Bearer network delay=150 ms, allowed maximum delay = 200 ms
正解:B
質問 7:Which functions does the bearer network NMS mainly provide?
A. Packet loss delay
B. Monitoring device load(CPU and Memory)
C. Monitoring network traffic
D. Switchover time of a device's active/standby system
正解:A,B,C
質問 8: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:
interface Pos3/0/1link-protocol ppp
undo shutdown
oam detect lcp-terminal notify lcp-terminal
ip address 208.1.1.1 255.255.255.0
ip address 208.2.2.1 255.255.255.0 sub
mpls l2vc pw-template pw1 13579 ip-interworking
mpls l2vc pw-template pw2 24680 ip-interworking secondary
mpls l2vpn oam-mapping
mpls l2vpn reroute immediately resume 0
Configuration of the AC interface on PE 2:
interface Pos1/0/3
link-protocol ppp
undo shutdown
ip address 208.1.1.2 255.255.255.0
mpls l2vc pw-template pw1 13579 ip-interworking
mpls l2vpn oam-mapping
Configuration of the AC interface on PE 3:
interface Pos1/0/0
link-protocol hdlc
undo shutdown
oam detect hello-stop notify hello-stop
ip address 208.2.2.2 255.255.255.0
mpls l2vc pw-template pw1 24680 ip-interworking
mpls l2vpn oam-mapping
Which of the following statements are true on the condition that IGP and MPLS are configured correctly on the public network?
A. The PW between PE 1 and PE 2 is the primary PW.
B. If a forwarding fault is detected on the PW between PE 1 and PE 2, traffic from CE 1 to CE 2 can be switched to the PW between PE 1 and PE 3.
C. If a forwarding fault is detected on the public network side of the PW between PE 1 and PE 2, traffic from CE 2 to CE 1 can be switched to the PW between PE 1 and PE 3.
D. If a forwarding fault is detected on the PW between PE 1 and PE 2, traffic can be switched to the backup PW on PE 1.
正解:A,B,D
質問 9:Refer to the exhibit.
Eth0 and Eth1 on PE 3 are bound to VRF1 and VRF2, respectively. A valid static route 1.1.1.1/32 is imported to BGP domains from CE 1, CE 2, and CE 4, respectively. Which of the following statements are false?
A. CE 3 cannot learn route 1.1.1.1/32 on CE 2 because the RD of this route is different from that of the VRF.
B. Local VRFs must use different RDs
C. CE 3 cannot learn route 1.1.1.1/32 on CE 1 because the RD of this route is the same as that of the VRF.
D. CE 3 can learn route 1.1.1.1/32 on CE 4.
正解:A,C
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Huawei H31-161 認定試験の出題範囲:
トピック | 出題範囲 |
---|
トピック 1 | - BRAS user access, IP MAN, IP backbone network, and mobile bearer network architecture
- MPLS TE features, multicast advanced features
|
トピック 2 | - High reliability technologies, QoS technologies
- Typical MAN and backbone networks of carriers
|
トピック 3 | - Advanced features, and applications of each protocol
- Plan and design network and services
|
トピック 4 | - Capability of independently maintaining typical network of carriers
- Maintain large-scale IP networks
|
トピック 5 | - Demonstrate the systematic understanding and good command of the in-depth principles
- Plan network and technology evolution
|
トピック 6 | - MPLS VPN features, SR and EVPN features
- Network and technology evolution direction
|
参照:https://enclass.hiclc.com/portal/#/plan/en/19082711-4967-5453-920c-541e82054d27
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