QUESTION 181
Which of the following statements are correct about the OSPFV3 packet format?

A. The OSPF version number is changed from 2 to 3.
B. Hello packets do not contain address information but carry interface IDs.
C. The Options field in the Hello packet does not change.
D. The Authentication and Auth Type fields are removed.

Correct Answer: AD
QUESTION 182
MPLS is short for multiprotocol label switching. Which of the following statements regarding MPLS labels are correct?

A. An MPLS label, carried in a packet header, does not contain topology information and is globally significant.
B. An MPLS label is a short fixed-length identifier with only local significance, and is used to uniquely indicate the FEC to which a packet belongs.
C. MPLS supports single-layer labels and multi-layer labels.
D. Similar to VPI/VCI in ATM packets and DLCI in Frame Relay packets, an MPLS label is a connection identifier.

Correct Answer: BCD

QUESTION 183
When the DHCP relay function is configured on a device, VLANIF interfaces connected to DHCP clients must be bound to DHCP server group containing the IP address of the DHCP server.

A. TRUE
B. FALSE

Correct Answer: A
QUESTION 184
In the inter-AS MPLS L3VPN Option C solution, if an RR is deployed and does not change the next-hop address of a VPNiv4 route when reflecting the route to its peers, the RR cannot transmit the VPNv4 route.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 185
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. Inclusive multicast route
B. Ethernet A-D route
C. Ethernet segment route
D. MAC/IP advertisement route

Correct Answer: A
QUESTION 186
A DHCP relay agent exists between a DHCP server and DHCP clients. If IP addresses in the global address pool of the DHCP server and IP addresses of VLANIF interfaces connecting the DHCP relay agent to clients are on different network segments, a DHCP fault will occur.

A. TRUE
B. FALSE

Correct Answer: A
QUESTION 187

When static IPsec VPN is used for WAN interconnection in the Huawei CloudCampus Solution, the AP, Router, and can be used as egress devices. (Use full spelling with the first letter capitalized.)

Correct Answer: firewall
QUESTION 188
After policy association is deployed on a campus network, the control device and access device establish CAPWAP tunnels to complete user association, exchange messages, deliver user authorization policies, and forward users’ service data.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 189
One particular WLAN architecture supported on a campus network has the following networking characteristics: The AP can work independently, or manage a small number of other APs to implement basic roaming functions; the cost is low, and network maintenance personnel only need limited skills. What is this WLAN architecture?

A. AC + Fit AP
B. Leader AP
C. Fat AP
D. Agile distributed AP

Correct Answer: D
QUESTION 190
On a virtualized network deployed using iMaster NCE-Campus, which of the following is not one of the operations performed by the administrator in the network planning phase?

A. Deploy an underlay automation resource pool.
B. Create an authentication template.
C. Deploy an overlay access resource pool.
D. Deploy global resource pool for the fabric.

Correct Answer: C
QUESTION 191
On a virtualized network deployed using iMaster NCE-Campus, after an administrator performs an operation, iMaster NCE-Campus delivers the configuration shown in the following
devices. Which of the following operations did the administrator perform?

A. Deploy inter-VN communication.
B. Create a security group.
C. Create an authorization result.
D. Deploy a policy control matrix.

Correct Answer: A
QUESTION 192
In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, which of the following statements about asymmetric IRB forwarding are correct?

A. The egress VTEP forwards packets based only on the Layer 2 forwarding table.
B. The ingress VTEP forwards packets based only on the Layer 2 forwarding table.
C. Both the ingress VTEP and egress VTEP forward packets based on the Laver 3 forwarding table.
D. When VTEPs forward inter-subnet user communication packets, the VNI carried in the VXLAN header is the L2VNI.

Correct Answer: CD
QUESTION 193
Assume that a WLAN network needs to be deployed in the ward area of a hospital. Which of the following deployment modes is the best choice for achieving Wi-Fi coverage at a low cost?

A. Leader AP
B. AC+Fit AP
C. Agile distributed AP
D. Cloud AP

Correct Answer: C
QUESTION 194
Which of the following statements is incorrect about adding devices on a virtualized network deployed using iMaster NCE-Campus?

A. iMaster NCE-Campus allows users to add devices by device ESN.
B. iMaster NCE-Campus allows users to add devices in batches.
C. iMaster NCE-Campus allows users to add devices by device role.
D. iMaster NCE-Campus allows users to add devices by device model.

Correct Answer: C
QUESTION 195
As shown in the figure, distributed VXLAN gateways are used, and the arp-proxy local enable command is configured on VBDIF 10 of SW1. Which of the following statements:

A. The ARP entry on PC1 is 172.16.1.2 MAC B.
B. After SW1 receives the packets sent from PC1 to PC2, SW1 searches the Layer 2 forwarding table and forwards the packets.
C. After SW1 receives the packets sent from PC1 to PC2, SW1 searches the Layer 3 forwarding table and forwards the packets.
D. The ARP entry on PC1 is 172.16.1.2 MAC D.

Correct Answer: CD

QUESTION 196
On a VXLAN-based virtualized campus network, terminals communicate with each other through VXLAN tunnels. When the campus network needs to communicate with external networks, the data must pass through border nodes.

A. TRUE
B. FALSE

Correct Answer: A
QUESTION 197
Depending on network conditions, Layer 2 or Layer 3 Portal authentication can be deployed on a network. Which of the following statements is incorrect?

A. Deploy Layer 2 Portal authentication if a Layer 2 network resides between an authentication client and an access device; that is, the authentication client and access device are directly connected or connected by only Layer 2 devices.
B. Deploy Layer 3 Portal authentication if a Layer 3 network resides between an authentication client and an access device. That is, they are separated by a Layer 3 device.
C. When Layer 3 Portal authentication is used, an access device can learn IP addresses of authentication clients and therefore can identify clients based on their IP addresses.
D. When Layer 2 Portal authentication is used, an access device can learn MAC addresses of authentication clients. In this case, the access device can use only the MAC addresses to identify clients.

Correct Answer: D
QUESTION 198
On a VXLAN-based virtualized campus network, BGP EVPN can be used as the control plane protocol. Which of the following EVPN route types are not used in the virtualized campus network scenario?

A. Type 4
B. Type 1
C. Type 3
D. Type 2

Correct Answer: AB
QUESTION 199
When configuring an IPsec tunnel on Huawei AR series routers, you need to create an IPsec tunnel interface. Otherwise, user data cannot be encrypted.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 200
Which of the following are the main functions of Huawei iMaster NCE-WAN controller?

A. Network management
B. Network service orchestration
C. Network performance monitoring and visibility
D. Service route control and distribution

Correct Answer: ABC