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NEW QUESTION # 73
In Huawei's WAN solution, for "remote desktop (RDP/VDI) traffic transmitted across regions", which of the following technologies can "reduce screen stuttering and improve the smoothness of remote operation"?
- A. Only increase link bandwidth without optimizing the transmission mechanism.
- B. Directly transmit remote desktop traffic without optimization.
- C. Remote desktop traffic QoS priority scheduling (set high priority) + screen compression optimization
- D. Lower the remote desktop resolution, sacrificing image quality for smoother performance.
Answer: C
NEW QUESTION # 74
In an MPLS VPN network, which of the following failures would cause "the PE device to be unable to export VPNv4 routes to the CE device"?
- A. A routing policy has been configured on the PE device to export VPNv4 routes to the CE-PE routing protocol.
- B. The VPN instance and interface are correctly bound on the PE device.
- C. Routing protocol neighbor has not been established between the PE device and the CE device.
- D. MPLS LSPs between PE devices are established normally.
Answer: C
NEW QUESTION # 75
In Huawei's SD-WAN solution, which of the following technologies can "realize dynamic negotiation of VPN tunnel encryption algorithms between branches and headquarters to adapt to different security needs"?
- A. The AES-128 encryption algorithm will be used consistently, without negotiation.
- B. Unencrypted VPN tunnel, relying only on link-layer security
- C. Encryption algorithm negotiation based on the IKE protocol (supports dynamic selection of multiple algorithms such as AES and 3DES)
- D. The encryption algorithm is manually configured and dynamic changes are not supported.
Answer: C
NEW QUESTION # 76
In an MPLS VPN network, which of the following descriptions conforms to the allocation logic of
"public network labels"?
- A. Dynamically allocated by PE/P devices via the MPLS LDP protocol, used for backbone network forwarding path identifiers.
- B. Assigned by the PE device based on the CE device's IP address, used for VPN instance identification.
- C. Fixed to a preset value, not adjusted with changes in network topology.
- D. Assigned by the CE device based on the VPN instance, used to identify the VPN service type.
Answer: A
NEW QUESTION # 77
In an MPLS VPN network, if "a VPN instance's routing table on the PE device lacks routes advertised by the CE device," which of the following troubleshooting steps should be performed first?
- A. Check the BGP VPNv4 neighbor status between the PE and other PE devices.
- B. Check if the MPLS LSP is established on the P device.
- C. Check if the routing protocol between the PE and CE devices is normal (e.g., OSPF neighbor status).
- D. Check if the CE equipment has any hardware malfunctions.
Answer: C
NEW QUESTION # 78
In Huawei's SD-WAN solution, which of the following service optimization strategies can "assign the highest priority to VoIP services to ensure smooth calls"?
- A. Traffic distribution based on link bandwidth
- B. Limit VoIP service bandwidth to avoid consuming excessive resources.
- C. QoS priority scheduling based on application type (VoIP is the highest)
- D. All services are forwarded with the same priority.
Answer: C
NEW QUESTION # 79
In Huawei's SD-WAN solution, which of the following technologies can "ensure that VPN service traffic and Internet service traffic between branches and headquarters are isolated and transmitted on the same physical link"?
- A. Network slicing (allocating independent logical channels to different services)
- B. No isolation mechanism; different services share the same channel.
- C. Use only two independent physical links to transmit different services separately.
- D. Link aggregation (binding multiple physical links into a single logical link)
Answer: A
NEW QUESTION # 80
In the Huawei SD-WAN iMaster NCE-WAN management platform, which of the following functions can "perform syntax validation on the configuration of branch devices to avoid device failure due to configuration errors"?
- A. Network topology visualization
- B. Configure syntax validation and error messages
- C. Batch distribution of configuration templates
- D. Equipment hardware resource monitoring
Answer: B
NEW QUESTION # 81
In the OSPF protocol for wide area networks, which type of LSA will the ABR of a "Stub area " publish to the area to guide routers within the area to access external networks?
- A. Type 3 LSA Inter-area summary route
- B. Type 3 LSA default route (0.0.0.0/0)
- C. Type 7 LSA (NSSA External Router)
- D. Type 5 LSA (AS External Route)
Answer: B
NEW QUESTION # 82
In a WAN BGP protocol deployment, if it is necessary to " hide the local AS number when advertising routes to EBGP neighbors to avoid AS PATH leakage", which of the following strategies should be configured?
- A. Enable BGP route aggregation and merge AS_PATH
- B. Disable the AS_PATH attribute passing function in the BGP protocol.
- C. Configure BGP neighbor MD5 authentication and encrypt AS_PATH information.
- D. Apply as-path-filter to the outbound direction of BGP neighbors to filter local AS numbers.
Answer: D
NEW QUESTION # 83
In Huawei's WAN bandwidth management solution, which of the following functions can "limit the bandwidth usage of non-critical services such as P2P downloads and ensure the bandwidth of core services (such as ERP)"?
- A. Application-based bandwidth limiting policies (P2P services are limited, core services are guaranteed bandwidth)
- B. Shut down non-critical services and only allow core services to access the network.
- C. All services are allocated the same bandwidth, without any priority distinction.
- D. Allocate bandwidth quotas for core services, without limiting them to non-critical services.
Answer: A
NEW QUESTION # 84
In an MPLS VPN network, which of the following descriptions conforms to the forwarding logic of the "MPLS label stack "?
- A. The device forwards data packets based on the outer label, and then removes the outer label after forwarding.
- B. When a data packet carries multiple layers of tags, the device always processes the innermost tag first.
- C. The inner label is used for backbone network forwarding path identification, and the outer label is used for VPN instance identification.
- D. When receiving data packets, the CE device must remove all MPLS labels before forwarding them.
Answer: A
NEW QUESTION # 85
In Huawei's SD-WAN solution, for the scenario of " branch multi-link (MPLS + Internet + 5G) load balancing", which of the following technologies can "dynamically adjust the traffic allocation ratio according to the real-time bandwidth utilization of the link"?
- A. Dynamic load balancing based on link bandwidth utilization (reducing traffic on links with high utilization and increasing traffic on links with low utilization).
- B. All traffic is prioritized to use the MPLS link; other links are only used as cold backups.
- C. Allocate traffic according to a fixed ratio (e.g., 40% MPLS, 30% Internet, 30% 5G), without adjusting for bandwidth changes.
- D. Randomly allocate traffic to each link, without considering bandwidth utilization.
Answer: A
NEW QUESTION # 86
In a wide area network (WAN) IPv6 transition scenario, if "internal IPv6 terminals need to access internal servers that only support IPv4", which of the following technologies should be used?
- A. NAT64 (translates IPv6 addresses into IPv4 addresses to enable access)
- B. IPv6 over IPv4 tunnel (only enables communication between IPv6 terminals)
- C. IPv4/IPv6 dual-stack technology (server must support IPv6)
- D. DNS64 (only performs domain name resolution, does not perform address translation)
Answer: A
NEW QUESTION # 87
In troubleshooting MPLS VPN networks, if it is necessary to "check the OSPF neighbor status between the PE device and the CE device to confirm whether the neighbor has been established normally", which of the following commands should be used?
- A. Display OSPF peer
- B. display mpls lsp
- C. display bgp vpnv4 all peers
- D. display ip routing-table vpn -instance
Answer: A
NEW QUESTION # 88
In the Huawei SD-WAN iMaster NCE-WAN management platform, which of the following functions can "audit configuration changes of branch devices, record the person making the change, the content of the change, and the time, for easy traceability"?
- A. Network topology visualization
- B. Batch distribution of configuration templates
- C. Equipment hardware resource monitoring
- D. Configuration change audit log
Answer: D
NEW QUESTION # 89
In Huawei's WAN bandwidth optimization solution, for "low-bit-rate IoT device data (such as sensor- collected data) transmitted across regions", which of the following technologies can
"reduce data transmission overhead and improve transmission efficiency"?
- A. Transmit raw IoT data directly without any optimization.
- B. IoT data packet aggregation technology (merging multiple small packets into one large packet for transmission)
- C. Increase the data transmission frequency of IoT devices to ensure data real-time performance.
- D. Relying solely on link bandwidth expansion without optimizing data transmission mechanisms.
Answer: B
NEW QUESTION # 90
In Huawei's SD-WAN solution, which of the following technologies can "enable branch devices to establish IPsec VPN tunnels with headquarters in a NAT environment without manually configuring NAT mapping"?
- A. Disable the address translation function of the NAT device and communicate directly using the public IP address.
- B. SD-WAN NAT traversal technology (branch actively initiates tunnel connections to headquarters, traversing NAT)
- C. Manually configure port forwarding on the NAT device to expose the public IP address of the branch device.
- D. All branch devices use the same public IP address, and a tunnel is established through port multiplexing.
Answer: B
NEW QUESTION # 91
In Huawei's SD-WAN solution, which of the following functions can "statistically calculate the bandwidth usage ratio of VPN services and public network services for each branch device and generate a visual report"?
- A. Link Quality Detection (LQM)
- B. Equipment hardware resource monitoring
- C. Service Traffic Bandwidth Statistics and Reports
- D. IPsec tunnel status monitoring
Answer: C
NEW QUESTION # 92
In Huawei's SD-WAN solution, for the scenario of "multi-tenant branch sharing an internet link", which of the following technologies can "achieve internet traffic isolation between different tenants and use bandwidth on a per-tenant basis"?
- A. Create a separate VPN instance for each tenant and bind it to the Internet interface sub-interface.
- B. Only total bandwidth usage is counted, without distinguishing between tenants.
- C. All tenants share the internet link; there is no isolation or statistics.
- D. Traffic is segmented by tenant IP address range, without instance isolation.
Answer: A
NEW QUESTION # 93
In an MPLS VPN network, when a data packet is forwarded from the PE device to the CE device, which of the following operations will the PE device perform to process the tag?
- A. Retain the double-layer label and forward it directly to the CE device.
- B. Retain the outer public network label, only strip the inner VPN label.
- C. Simultaneously strip the outer public network label and the inner VPN label, and forward the data to CE according to the IP address.
- D. Strip the outer public network label, retain the inner VPN label, and forward it to CE.
Answer: C
NEW QUESTION # 94
In the OSPF protocol for wide area networks, which of the following is the generator of a Type 2 LSA (Network LSA)?
- A. All routers within the area
- B. Autonomous System Border Router (ASBR)
- C. Area Border Router (ABR)
- D. DR (Designated Router) within the area
Answer: D
NEW QUESTION # 95
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