QUESTION 121
As shown in the following figure, what is known about the default routes on R4?

A. Two equal-cost default routes
B. One default route
C. Two default routes with different costs
D. Four equal-cost default routes

Correct Answer: A
QUESTION 122
To speed up link fault detection on an IS-IS network, you can configure BFD for IS-IS.

A. TRUE
B. FALSE

Correct Answer: A
QUESTION 123
A company has a headquarters and two branches. MPLS VPN is used to transmit VPN routes in the company. In Hub-Spoke networking mode, branches can only exchange routing information with the headquarters, but branches cannot exchange routing information with each other directly. Which of the following RT settings are correct to achieve the preceding requirements?

A. Headquarters: Import Target: 1:1; Export Target: 3:3 Branch 1: Import Target: 3:3; Export Target: 1:1 Branch 2: Import Target: 3:3; Export Target: 2:2
B. Headquarters: Import Target: 1:1, 2:2; Export Target: 3:3 Branch 1: Import Target: 3:3; Export Target: 1:1 Branch 2: Import Target: 3:3; Export Target: 2:2
C. Headquarters: Import Target: 12:3; Export Target: 3:12 Branch 1: Import Target: 3:12； Export Target: 12:3 Branch 2: Import Target: 3:12; Export Target: 12:3
D. Headquarters: Import Target: 2:2; Export Target: 3:3 Branch 1: Import Target: 3:3; Export Target: 1:1 Branch 2: Import Target: 3:3; Export Target: 2:2

Correct Answer: BC
QUESTION 124
Traditional BGP-4 manages only IPv4 unicast route information. MP-BGP extends BGP-4 to support multiple network layer protocols. MP-BGP uses address families to differentiate network layer protocols. Which of the following address families are supported?

A. BGP VPN instance IPv6 address family
B. BGP-IPv4 broadcast address family
C. BGP-IPv6 unicast address family
D. BGP-VPNv4 address family

Correct Answer: ACD

QUESTION 125
Which of the following statements Is incorrect about a sham link?

A. A sham link can be configured in any area and needs to be manually configured. In addition, a local VPN instance must have a route to the destination address of the sham link (the endpoint address of the sham link on the remote PE).
B. The endpoint address of a sham link is advertised by BGP as a VPNy4 address. Routes that pass through a sham link can also be imported to BGP as VPNv4 routes.
C. A sham link is considered a link between two VPN instances. Each VPN instance must have an endpoint address of a sham link, which must be a loopback interface address with a 32 bit mask in the VPN address space on a PE.
D. To ensure that VPN traffic is forwarded through an MPLS backbone network, the route cost of a sham link must be smaller than the OSPF route cost of a backdoor link.

Correct Answer: A
QUESTION 126
The following figure shows the inter-AS MPLS VPN Option B solution. When RRs are deployed, PE1 and ASBR-PE1 each establish a VPNv4 peer relationship with RR1. By default, user traffic must be forwarded through RR1.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 127
OSPFv2 is an IGP running on IPv4 networks, whereas OSPFv3 is an IGP running On IPv6 networks. OSPFV3 and OSPFv2 use the same types of packets, including Hello, DD, LSR, LSU, and LSAck packets. Which of the following statements is correct about OSPFv3 packets?

A. OSPFV3 uses IPv6 multicast addresses FFO2::5 and FF02::6 to send OSPFV3 packets.
B. OSPFV3 uses the link-local address as the source address for sending packets. Packets can be forwarded beyond the originating link.
C. OSPFV3 uses the authentication field in the packet header for packet authentication.
D. An ospFv3 Hello packet carries the Ipv6 address prefix of a router interface.

Correct Answer: A
QUESTION 128
OSPFV3 and OSPFV2 use the same route advertisement mode. Specifically, routes are advertised by running the network command in the OSPFV3 area view.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 129
On the network shown, an engineer uses two routers to test IPv6 services by running BGP4+ to simulate the communication between the enterprise headquarters and a branch. The engineer checks an Update message sent by R1. Which of the following statements about the message information is correct?

A. The route address prefix (including the prefix length) described in the message is 2001:db8:2345:1::1/128.
B. The next-hop address of the route described in the message is 2001:db8:2345:1::1.
C. The message describes a withdrawn IPv6 route.
D. The route described in the message may be imported using the import command.

Correct Answer: A
QUESTION 130
A large-scale network migration project can be divided into multiple small migration tasks that are relatively independent but also associated with each other.

A. TRUE
B. FALSE

Correct Answer: A
QUESTION 131
When EVPN is used to carry L2VPN services and unicast traffic is forwarded, which of the following types of routes will carry unicast labels?

A. Ethernet A-D route
B. Ethernet segment route
C. MAC/IP advertisement route
D. Inclusive multicast route

Correct Answer: A
QUESTION 132
Which of the following tools cannot be used to match the number of BGP routes?

A. Basic ACL
B. Community filter
C. Advanced ACL
D. IP prefix-list

Correct Answer: C
QUESTION 133
Which of the following causes may result in a BGP peer relationship fault?

A. The peer connect-interface command is not configured when loopback interfaces are used to establish the BGP peer relationship.
B. The peer ebgp-max-hop command is not configured when loopback interfaces are used to establish the EBGP peer relationship.

C. An ACL is configured to disable TCP port 179.
D. The peer router ID conflicts with the local router ID.

Correct Answer: ABCD
QUESTION 134
As shown in the following figure, OSPF is deployed on a campus network to implement network interconnection, and area 1 is deployed as an NSSA. To enable R1 to access R4’s loopback interface address, an engineer imports a direct route to R4’s OSPF process. Which of the following statements about this scenario are correct?

A. R4 is an ASBR in the NSSA and generates Type LSAs carrying the default route information.
B. R4 is an ASBR in the NSSA and generates Type 7 LSAs to describe external routes.
C. R2 is an ABR and translates Type 7 LSAs that describe external routes into Type 5 LSAS.
D. R2 is an ABR and translates Type LSAs carrying the default route information into Type 5 LSAs.

Correct Answer: BC
QUESTION 135
What can be determined from the following figure?

A. R1’s GE0/0/0 has Level-2 capabilities.
B. There must be a Level-2 LSDB on R1.
C. R1’s GE0/0/1 has Level-2 capabilities.
D. R1 has two IS-IS neighbors.

Correct Answer: ABCD
QUESTION 136
Which of the following statements are correct about authentication points and policy enforcement points in Huawei’s free mobility solution?

A. The authentication point and policy enforcement point must be deployed on the same device.
B. The policy enforcement point executes inter-group policies based on security groups.
C. When receiving user traffic, the authentication point enforces a policy to process the traffic based on the source or destination security group corresponding to the source or destination IP address of the traffic.
D. The authentication point and policy enforcement point can be deployed on different devices.

Correct Answer: BCD
QUESTION 137
The following figure shows a VXLAN-based virtualized campus network. Which of the following modes can be used for interconnection between the fabric and external networks?

A. Layer 3 exclusive egress
B. Layer 3 shared egress
C. Layer 2 exclusive egress
D. Layer 2 shared egress

Correct Answer: ABD
QUESTION 138
When you configure network service resources for a fabric on iMaster NCE-Campus, which of the following parameters need to be set?

A. Interconnection information
B. Server IP address
C. Server type
D. Interconnection scenario

Correct Answer: ABCD
QUESTION 139
Media Access Control Security (MACsec) defines a method for securing data communication over Ethernet. Which of the following functions does MACsec provide?

A. Data source authenticity verification
B. User data encryption
C. Replay protection
D. Data frame integrity check

Correct Answer: ABC
QUESTION 140
In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, when BGP EVPN route is transmitted between VTEPS, the BGP EVPN route is discarded only when the RT carried in the route is different from both the EVPN IRT and IP VPN IRT.

A. TRUE
B. FALSE

Correct Answer: A