[Dec 10, 2021] Latest H31-161 Exam with Accurate HCIE-Carrier IP (Written) PDF Questions
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Huawei H31-161 Exam Syllabus Topics:
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NEW QUESTION 45
Refer to the exhibit.
As shown in the figure, RTA belongs to AS 100 and has an EBGP
neighbor relationship with RTB. RTB, RTC, RTD, RTE, and RTF belong to AS 200.RTB, RTD, and RTE are assigned to AS65001, RTC to AS65002, and RTF to AS65003.
1. When route 1.1.1.1/32 is imported from RTA, what is the AS_Path attribute of this route to be advertised to RTF?
2. When route 1.1.1.1/32 is imported from RTC, what is the AS_Path attribute of this route to be advertised to RTA?
3. When route 1.1.1.1/32 is imported from RTC, what is the AS_Path attribute of this route to be advertised to RTE?
The attributes are as follows:
- A. (65003) (65001) 200 100; 200; 200
- B. (65001) 200 100; (65002) (65001) 200; (65002)
- C. (65001) 100; 200; (65002)
- D. 100; 200; empty
Answer: C
NEW QUESTION 46
Exhibit:
As shown in the figure, RTA belongs to AS 100 and has an EBGP neighbor relationship with RTC, RTD, and TTB is an IBGP neighbor of RTC, RTD, and RTE, and the four router all belong to AS 200.
(Note: The attributed not involved In the question use the default values)
1. Import route 1.1.1/32 from RTA and advertise this route to RTB by way of RTC, RTD, and RTE, respectively (suppose the three routers between is IGP, EGP, and INCOMPL:ETE, respectively. Which route will RTB prefer?
2. Suppose the preceding policy is retained. Apply inbound routing policies on RTC, RTD, and RTE so that the values of the MED attribute of route 1.1.1.32 learned by RTB are 40, and 20 respectively. Which route will RTB prefer?
3. Suppose the preceding policy is retained. Apply an inbound routing policy on RTB so that the values of the AS_ PATH attribute of route 1.1.1.1/32 Learned from RTC, RTD, and RTE are 10 20 30,and 10 20, respectively. Which route will RTB prefer?
4. Suppose the preceding policy is retained. Apply an inbound routing policy on RTB so that the values of the local-preference attribute of route 1.1.1.1.32 learned from RTC and RTE are 30 and 120 , respectively. Which route will RTB prefer.
5. Suppose the preceding policy is retained. Apply inbound policies on RTC. RTD and RTE so that the values of the preferred-value attribute of route 1.1.1.132 are 50.40 and 30 respectively. Which route will RTB prefer?
- A. RTC, RTC, RTD, RTE, RTE
- B. RTC, RTD, RTD, RTE. RTE
- C. RTC., RTC, RTE, RTC, RTE
- D. RTC, RTC, RTD, RTC, RTE
Answer: C
NEW QUESTION 47
Which of the following reserved IP multicast addresses is the address of all PIM routers?
- A. 224.0.0.2
- B. 224 0 0 4
- C. 224 0 0.13
- D. 239.0.0.2
Answer: A
NEW QUESTION 48
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
Answer: A,B,C
NEW QUESTION 49
On a router, HQoS parameter are configured for the users. The CURP of user 1 is Mbit/s. The CUR and PIR of user 2 are 0 Mbit/s and 10 Mbit/s, respectively. The CIR and PR of user 3 are 0 Mbit and 20 Mbit/s respectively. These three users join group with a bandwidth of 10 Mbit/s.
Which statements is true?
- A. User 1 is of the highest priority among these users
- B. User 3 is of higher priority than user 2
- C. No user can preempt the bandwidth of the other two users
- D. User 2 is of higher priority than user 1
Answer: B
NEW QUESTION 50
On the typical access network of a bearer network, a core network device connects to two upstream CEs. CEs connect to PEs in a square shape. This access network must bear voice and signaling services. A CE must be configured with two VPNs to separate the voice and signaling services and ensure high security and QoS. The signaling service works in active/standby mode, and the voice service works in load sharing mode. The VRRP must be enabled between the CEs to terminate the signaling flow. If the network robustness is ensured and the network architecture is rational, which of the following statements about the topological structure are true?
- A. The voice service must be carried by GE links and the signaling service must be carried by FE links.
- B. Instead of POS links, GE links are recommended between CEs and PEs.
- C. The total link bandwidth between CEs cannot be less than that between CEs and PEs.
- D. GE and FE links need to be used as the Eth-trunk between CEs to improve reliability.
Answer: A,B,C
NEW QUESTION 51
Configure VRFs and relevant policies on a PE as follows:
If a route isimportedto the routing table of VRF 1, which VRF can the route match?
- A. vrf4
- B. vrf3
- C. vrf2
Answer: C
NEW QUESTION 52
1.Onthe backbone network , if a PE is connect to a CE, VPN instances need to breconfiguredon the PE, and
interface on the PE for connecting to the CE must be bound to a VPN instance. After binding an interface to a
VPN instance, you must configure the IP address of the interface between PEs, IS-IS configured for PE
interworking. PLSA basic capabilities and MPLS LSP are configured for LSP establishment, and MP _IBGP
is configured for VPN route exchange VPN routesexchange , LDAP is short for Label Distribution Protocol,
and IBGP is short for interior Border gateway protocol.
2. A CE exchange route exchange routers with a PE over External Border gateway Protocol (EBGP.
Configure interior gateway protocol (IGP) on the IS-IS+MPLS backbone networking toachievethe
interworking between PEs and IP routers.
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: C
NEW QUESTION 53
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 RTA and RTB is faulty, the state of Tunnel2/0/0 is FRR inuse.
- C. When the link between RTA and RTB is faulty, the state of Tunnel1/0/0 is hotstanby inuse.
- D. When the link between RTB and RTC is faulty, the state of Tunnel2/0/0 is ordinary inuse.
Answer: B,C
NEW QUESTION 54
Exhibit:
The preceding information shows the configurations of Ethernet 6/1/1 and ensure created based on received IGMPv2 Report messages. Which action does Ethernet 6/1/1 after receiving Leave messages for group 224.1.2.3?
- A. Sends group-specific query messages for group 224.1.2.4
- B. Deletes the record of group 224.1.2.3
Answer: B
NEW QUESTION 55
Which of the following statements about the VPLS packet forwarding are true?
- A. If a PE receives broadcast packets from a local user, the PE forwards the packets to all other interfaces In the same VSI and all other PEs.
- B. If the destination MAC address of a packets is not a broadcast address and a PE has not learned the MAC address, the PE broadcast this packet in on VSI.
- C. If the destination MAC address of a packet is not a broadcast address and a PE has not learned the MAC address, the broadcast this packet in one VSI
- D. If a receive broadcast packet sent a remote PE, it forwards the packet only to the AC interface instead of other PEs.
Answer: A,B,D
NEW QUESTION 56
Which of the following is the maximum length of the Ethernet frame encapsulated by QinQ?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 57
In MPLS QoS , traffic policies are developed on simple traffic classified and complex traffic classification
policies based on simple traffic classification the service class color, and drop priority of packet are reset based
on the packet in the traffic policies on complex traffic classification measures such as traffic classification is
applied on border routers in Different domain, and traffic classification core routers. QoS policies are
configured by performing the following operations:
* Defines DiffSer domain and configuring a traffic policy.
* Classification traffic
* Defines traffic behavior and configures characteristics ofbehaviors.
* Defines a traffic policy and specifies for trafficcategories
* Applies the traffic policy
* Configure L-LSP
* Configures reserve address checks
* Adds interface to the DiffSer domain
Which of theproceedingoperations are required when you configured simple traffic classification?
- A. 1 6 8
- B. 2 3 4 8
- C. 2 4 5 7
- D. 1 5 6
Answer: B
NEW QUESTION 58
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 default routes in VPN instances on the SPE?
Note: All configurations are performed on the SPE.
- A. Run the peer default-originate vpn-instance command in the BGP-VPNv4 subsequent address family view.
- B. Configure the peer default-originate vpn-instance command in the BGP-VPNv4 address family view, and then configure the default-route imported command in the BGP-VPN instance view.
- C. Run the peer 2.2.2.2 enable command in the BGP-VPNv4 subsequent address family view to enable the peer to exchange BGP-VPNv4 routing information.
- D. Configure the default-route imported command in the BGP-VPN instance view without importing default IGP routes, and then configure the peer default-originate vpn-instance command in the BGP-VPNv4 address family view.
- E. Run the peer 2.2.2.2 upe command in the BGP-VPNv4 subsequent address family view to designate the peer as a UPE of the SPE.
Answer: D
NEW QUESTION 59
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.
It is expected to configure a tunnel (affinity: 0x0C; mask: 0xFF) on node A to connect to RTD. Which path will be created along with the tunnel?
- A. A -> C -> D
- B. A -> B -> C -> D
- C. No path will be created.
- D. A -> B -> D
- E. A -> C -> B -> D
Answer: B
NEW QUESTION 60
On a VPLS network a PE router receive a packet that containers layer 2 user data from a PE. How does the PE router determine the source VSI of this packet?
- A. Destination MAC address in the L2 PDU encapsulation in the packet
- B. Outer label of the packets
- C. Inner label of the packet
- D. MAC address and VLAN ID in the PDU encapsulated in the packet
Answer: C
NEW QUESTION 61
Refer to the exhibit.
As shown in the figure, inter-AS VPN Option A is used. CE 1 and CE 2 belong to the same VPN.AS 100 and AS 200 run IGP and LDP, respectively. ASBRs communicate with each other through EBGP. The loopback interface address of CE 1 is 10.1.1.1/24. Suppose CE 2 can ping CE 1. Which router allocates an inner label when PE 2 forwards packets from CE 2 to CE
1?
- A. ASBR 1
- B. PE 1
- C. ASBR 2
- D. P1
- E. P2
Answer: C
NEW QUESTION 62
Which statement describes the delay variation requirement of the voice service for the IP bearer network?
- A. No strict requirement
- B. Bearer network delay variation = 10 ms. Allowed maximum delay variation =20ms
- C. Bearer network delay variation +100 ms, allowed maximum delay variation +200 ms
- D. Bearer network delay variation + 1s
Answer: C
NEW QUESTION 63
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