Huawei-certification H12-841_V1.5 Practice Test Engine: Try These 316 Exam Questions
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NEW QUESTION # 171
In an MPLS VPN network, which of the following operations can "ensure that the PE device correctly imports the routes learned from the CE device into the BGP VPNv4 address family"?
- A. Configure routing policies on the PE device to import CE routes into the BGP VPNv4 address family.
- B. Configure the BGP protocol on the CE device to directly advertise the VPNv4 address family to the PE.
- C. Configure a route import policy on the P device to pass CE routes to BGP.
- D. No configuration is required; the PE device automatically imports the CE route to BGP VPNv4.
Answer: A
NEW QUESTION # 172
In Huawei's WAN bandwidth management solution, which of the following functions can "limit bandwidth for non-critical services such as P2P downloads and online video to ensure the performance of core services such as ERP and VoIP"?
- A. All services are allocated the same bandwidth without any restrictions.
- B. Shut down non-critical services and only allow core services to access the network.
- C. Application-type-based bandwidth limiting policy (limiting bandwidth for non-critical services)
- D. Prioritize bandwidth allocation for non-critical services; allocate bandwidth for core services as needed.
Answer: C
NEW QUESTION # 173
In Huawei's WAN bandwidth management solution, which of the following functions can "limit bandwidth usage by different departments beyond their limits, such as limiting the speed to
10Mbps after exceeding the quota"?
- A. Bandwidth is set by user, without distinction by department.
- B. Only set bandwidth quotas; disconnect the network immediately after exceeding the quota.
- C. Department-based bandwidth quotas and over-limit policies
- D. All departments share bandwidth, with no quotas or speed limits.
Answer: C
NEW QUESTION # 174
In Huawei's SD-WAN solution, which of the following technologies can "enable a VPN tunnel between branch devices and headquarters that traverses NAT devices (such as home routers)"?
- A. Disable the address translation function of the NAT device and communicate directly using the public IP address.
- B. All branch devices use the same public IP address, and a tunnel is established through port multiplexing.
- C. SD-WAN NAT traversal technology (branches proactively initiate tunnel connections to headquarters, eliminating the need for static mapping)
- D. Manually configure static NAT mapping to expose the public IP address of the branch device.
Answer: C
NEW QUESTION # 175
In an MPLS VPN network, which of the following descriptions best describes the function of a
"VPN label (inner label)"?
- A. Used to identify the priority of data packets and ensure QoS (Quality of Service)
- B. Used for backbone network forwarding between P devices, identifying the forwarding path.
- C. Used by PE devices to identify the VPN instance to which data packets belong, thus achieving route isolation.
- D. Used by CE devices to differentiate between different VPN services and determine forwarding paths.
Answer: C
NEW QUESTION # 176
In a wide area network (WAN) OSPF deployment, which of the following configurations can
"prevent fake LSAs (Link State Advertisements) from being injected into the OSPF domain, thus improving network security"?
- A. Enable OSPF zone authentication
- B. Divide OSPF NSSA areas
- C. Configure OSPF route aggregation
- D. Adjust OSPF hello time
Answer: A
NEW QUESTION # 177
In the WAN BGP protocol, if "EBGP neighbors are not configured with neighbor relationships and can only be reached through static routes", which of the following problems will this cause?
- A. BGP neighbor relationships are established but routes cannot be passed.
- B. BGP neighbor relationships cannot be established (neighbor IPs need to be manually configured).
- C. BGP neighbor relationships are established normally and routes can be passed.
- D. Automatically discover EBGP neighbors and establish relationships
Answer: B
NEW QUESTION # 178
In Huawei's SD-WAN solution, which of the following functions can "classify branch service traffic and allocate different bandwidth ratios to different services (such as ERP and video)"?
- A. Automatic link switching
- B. Business Traffic Classification and Bandwidth Allocation
- C. IPsec encrypted tunnel
- D. Link Quality Detection (LQM)
Answer: B
NEW QUESTION # 179
(DHCP dynamically configures and centrally manages IP addresses of hosts. Which of the following statements about DHCP is false?)
- A. DHCP supports static IP address allocation, in which it assigns fixed IP addresses to specified terminals.
- B. When a DHCP client and a DHCP server are located on different Layer 3 networks, a DHCP relay agent is needed for forwarding packets between the DHCP client and server.
- C. The Options field in DHCP messages uses the type-length-value (TLV) structure and can carry parameters such as the NTP server address, AC address, and log server address.
- D. If only the gateway and DNS server information needs to be delivered to a DHCP client, the DHCP Offer message sent by the DHCP server to the client does not carry the Options field.
Answer: D
Explanation:
DHCP is a core protocol used in campus networks to automatically assign IP addresses and deliver network parameters to hosts, improving deployment efficiency and simplifying address management. DHCP messages include several fixed fields and anOptions field, which plays a critical role in parameter delivery.
Option A isfalse. Even if only gateway and DNS server information needs to be delivered to a client, the DHCP Offer messagemust carry the Options field. Default gateway and DNS server information are delivered through specific DHCP options, such as Option 3 (Router) and Option 6 (DNS Server). Without the Options field, these parameters cannot be conveyed to the client.
Option B is correct. The Options field in DHCP messages uses aTLV (Type-Length-Value)format, allowing flexible extension and supporting various network parameters, including NTP server addresses, wireless AC addresses, and log server addresses, which aligns with HCIP Datacom Campus Network descriptions.
Option C is also correct. DHCP supportsstatic IP address allocationby binding a specific IP address to a client' s MAC address. This is commonly used for printers, servers, or network devices that require fixed IP addresses.
Option D is correct as well. Because DHCP uses broadcast messages that cannot cross Layer 3 boundaries, aDHCP relay agentis required when the client and server reside on different IP networks.
Therefore, option A is the only incorrect statement.
NEW QUESTION # 180
In an MPLS VPN network, which of the following configurations is a necessary condition for "PE devices and CE devices to exchange routes via RIP "?
- A. The MPLS protocol is enabled on the CE device, supporting RIP label forwarding.
- B. The PE device enables the RIP protocol under the corresponding VPN instance and is configured with the same RIP version as the CE device.
- C. Disable BGP VPNv4 address family on the PE device and use only RIP.
- D. Configure the RIP protocol on the P device to transmit PE-CE routes.
Answer: B
NEW QUESTION # 181
(When you configure a virtualized campus network on iMaster NCE-Campus, Fit APs can immediately go online after you add them to iMaster NCE-Campus.)
- A. FALSE
- B. TRUE
Answer: A
Explanation:
In a Huawei virtualized campus network managed byiMaster NCE-Campus,Fit APs do not go online immediatelyafter being added to the management platform. According to HCIP Datacom Campus Network documentation, Fit APs depend on awireless access controller (AC)for control, configuration delivery, and service provisioning. Simply adding a Fit AP to iMaster NCE-Campus only completes thedevice registration step, not the full service enablement process.
After a Fit AP is added, several additional steps are required before it can go online and provide wireless services. First, the AP must successfullydiscover and establish a control tunnel with the AC. Then, the AP typically needs to beapproved, assigned to a site, and bound to the correctAP group. Configuration data such as radio parameters, SSIDs, security policies, and authentication profiles must also be delivered from the AC to the AP.
In addition, firmware version checks or upgrades may occur during the onboarding process to ensure compatibility with the controller and management platform. Only after these steps are completed can the Fit AP enter thenormal online stateand start providing WLAN services.
This multi-step process ensures centralized control, consistent configuration, and reliable operation across large-scale campus networks, but it also means Fit APs cannot immediately go online upon being added to iMaster NCE-Campus.
Therefore, the statement is incorrect, and the correct answer isFALSE.
NEW QUESTION # 182
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 7 LSA (NSSA External Router)
- B. Type 3 LSA Inter-area summary route
- C. Type 3 LSA default route (0.0.0.0/0)
- D. Type 5 LSA (AS External Route)
Answer: C
NEW QUESTION # 183
(When advertising routes, BGP EVPN uses EVPN Router's MAC Extended Community to carry the Router MAC field of a VTEP.)
- A. FALSE
- B. TRUE
Answer: A
Explanation:
In BGP EVPN-based VXLAN networks, route advertisement follows clearly defined standards regarding how endpoint and tunnel information is carried. According to HCIP Datacom Campus Network documentation, BGP EVPN does not use an EVPN Router MAC Extended Community to advertise the Router MAC of a VTEP. This statement is therefore incorrect.
In EVPN, different route types serve specific purposes. For example,EVPN Route Type 2 (MAC/IP Advertisement routes)are used to advertise MAC addresses (and optionally IP addresses) of endpoints. These routes associate endpoint information with a VTEP by using theBGP next-hop attribute, which contains the VTEP IP address. Similarly,EVPN Route Type 3 (Inclusive Multicast Ethernet Tag routes)also relies on the BGP next hop to identify the VTEP for VXLAN tunnel establishment and BUM traffic forwarding.
The Router MAC of a VTEP is alocal forwarding attribute, primarily used during VXLAN encapsulation and decapsulation on the device itself. It is not distributed through EVPN extended communities. While EVPN does define several extended communities for control and policy purposes, there is no standard or HCIP- defined "EVPN Router MAC Extended Community" used to carry the Router MAC field of a VTEP during route advertisement.
Therefore, based on HCIP Datacom Campus Network VXLAN EVPN principles, the statement is false.
NEW QUESTION # 184
When planning a VXLAN-based virtualized campus network, you need to design underlay, fabric, and overlay networks. Drag the modules on the left to the correct locations on the right. (Token is reusable)
Answer:
Explanation:
Explanation:
In a VXLAN-based virtualized campus network, planning is divided intounderlay,fabric, andoverlaylayers, each with clear responsibilities:
* Fabric Design # Border Node DesignFabric design focuses on the VXLAN fabric structure and roles of fabric nodes.Border nodesare a core part of the fabric, responsible for VXLAN encapsulation
/decapsulation, policy enforcement, and traffic exit/entry between the VXLAN fabric and external networks. Therefore, Border Node Design belongs to Fabric Design.
* Overlay Network Design # VN Access DesignVN Access Design defines how users and terminals access different Virtual Networks (VNs), including VLAN-to-VN mapping and authentication-based access. These are overlay-layer service constructs.
* Overlay Network Design # VN Interwork DesignVN Interwork Design focuses on communication between different VNs (for example, inter-VN routing and security group policy control), which is a classic overlay function.
* Overlay Network Design # External Network DesignExternal Network Design defines how overlay VNs communicate with non-VXLAN external networks, which is also an overlay service behavior implemented through border nodes.
This mapping strictly follows Huawei HCIP Datacom Campus Network VXLAN planning methodology.
NEW QUESTION # 185
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. Equipment hardware resource monitoring
- D. Batch distribution of configuration templates
Answer: B
NEW QUESTION # 186
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