Printable & Easy to Use H12-841_V1.5 Dumps 100% Same Q&A In Your Real Exam [Q17-Q39]

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Printable & Easy to Use H12-841_V1.5 Dumps 100% Same Q&A In Your Real Exam

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NO.17 In an MPLS VPN network, which of the following descriptions conforms to the allocation logic of
“public network labels”?

Assigned by the CE device based on the VPN instance, used to identify the VPN service type.

Dynamically allocated by PE/P devices via the MPLS LDP protocol, used for backbone network forwarding path identifiers.

Assigned by the PE device based on the CE device’s IP address, used for VPN instance identification.

Fixed to a preset value, not adjusted with changes in network topology.

NO.18 In the OSPF protocol for wide area networks, what is the main difference between an “NSSA area” and a “normal Stub area”?

NSSA areas allow the introduction of external routes from the AS (Type 7 LSA), while regular Stub areas do not.

NSSA areas do not receive Type 3 LSA, while regular Stub areas do.

NSSA areas only receive Type 1/2 LSAs, while regular Stub areas receive Type 1/2/3 LSAs.

The NSSA region is no different from a regular Stub region; only the configuration commands differ.

NO.19 In Huawei’s SD-WAN solution, which of the following security technologies can “encrypt data packets transmitted between branches and headquarters to prevent data leakage”?

Application Layer Firewall

IPsec encrypted tunnel

Identity Authentication

Flow shaping

NO.20 In an MPLS VPN network, what is the core function of a P device?

Connect the CE device and access the VPN user route.

Packet forwarding based on MPLS labels, without participating in VPN routing calculations.

Maintain VPN instances and independent routing tables

Implement routing interaction between CE and PE.

NO.21 In Huawei’s WAN solution, for the scenario where ” WAN link bandwidth fluctuations cause file transfers to be sometimes fast and sometimes slow,” which of the following technologies can
“smooth the impact of bandwidth fluctuations and stabilize file transfer rates”?

Ignore bandwidth fluctuations and transfer files directly.

Token bucket-based traffic smoothing technology (controlling file sending rate to avoid sudden rate fluctuations)

Transfer files only during peak bandwidth periods, pausing at other times.

Lower the priority of file transfers and prioritize other services.

NO.22 In an MPLS VPN network, which of the following configurations is a necessary condition for “PE devices and CE devices to exchange routes via static routes”?

Configure static routes on the PE device under the corresponding VPN instance, pointing to the CE device network segment.
Configure static routes on the B.P device to pass PE-CE routes.

The MPLS protocol is enabled on the CE device, supporting static route label forwarding.

Disable BGP VPNv4 address families on the PE device and use only static routes.

NO.23 In the deployment of the OSPF protocol in a wide area network, what is the core function of the
“ASBR (Autonomous System Border Router)”?

Connect different OSPF areas and pass inter-area routes.

Connect OSPF Autonomous Systems with other Autonomous Systems and pass external routes from the AS.

Generate a Type 3 LSA to describe the summarized routes between areas.

Generate a Type 2 LSA to describe router information within the network.

NO.24 In Huawei’s WAN bandwidth optimization solution, for “cross-regional transmission of office collaboration tool traffic (such as Lark, DingTalk),” which of the following technologies can
“optimize collaborative data transmission and reduce file transfer latency”?

Collaborative data is transmitted directly without optimization.

Collaborative data edge caching (frequently used files are cached at edge nodes) + transmission protocol optimization

Limit the bandwidth of collaboration tools to prioritize other services.

Transmitting collaborative data only during off-peak hours affects real-time performance.

NO.25 In the WAN BGP protocol, if “EBGP neighbors are configured with MD5 key authentication, but the keys are inconsistent,” which of the following problems will this cause?

BGP neighbor relationships are established normally, but routes cannot be transmitted.

BGP neighbor relationships could not be established (authentication failed).

BGP neighbor relationships are established normally, and route transmission is unaffected.

Automatically switches to unauthenticated mode, and neighbor relationships are established normally.

NO.26 In Huawei’s WAN management platform, which of the following functions can “set bandwidth usage threshold alarms (such as alarms when bandwidth utilization exceeds 80%) to promptly detect bandwidth overload”?

Bandwidth quota allocation

Bandwidth threshold alarms and monitoring

Bandwidth usage statistics report

Applying traffic shaping

NO.27 In the WAN BGP protocol, which of the following attributes can be used to “identify the origin type of a BGP route (such as IGP, EGP, Incomplete)”?

AS_PATH

Origin

Local Preference

MED

NO.28 Huawei’s SD-WAN solution targets ” multi-tenant isolation” scenarios. Which of the following technologies can achieve “isolation of network resources and data between different tenants” and protect tenant privacy? (Multiple choice)

Tenant instance isolation (creating a separate SD-WAN instance for each tenant)

Dedicated bandwidth resources (dedicated bandwidth allocated to each tenant, not shared)

Traffic encryption and isolation (different encryption keys are used for traffic from different tenants)

All tenants share the same network instance, with no isolation mechanism.

Tenant traffic is unencrypted, allowing mutual data access .

NO.29 In Huawei’s WAN solution, for scenarios with ” large fluctuations in WAN link bandwidth,” which of the following technologies can “dynamically adjust the transmission rate to adapt to bandwidth changes”?

Fixed transmission rate, not adjusted with bandwidth.

Adaptive rate adjustment technology (adjusts the rate in real time based on link bandwidth)

Transmit data only when bandwidth is sufficient; suspend transmission when bandwidth is insufficient.

Reduce the transmission rate to the minimum to ensure uninterrupted transmission.

NO.30 Huawei switches support VLAN assignment based on interface, MAC address, protocol, and IP address.

TRUE

FALSE

NO.31 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?

Check the BGP VPNv4 neighbor status between the PE and other PE devices.

Check if the routing protocol between the PE and CE devices is normal (e.g., OSPF neighbor status).

Check if the MPLS LSP is established on the P device.

Check if the CE equipment has any hardware malfunctions.

NO.32 In Huawei’s SD-WAN solution, which of the following functions can “monitor the status of the VPN tunnel between branches and headquarters in real time (such as establishment/disconnection, encryption algorithm)”?

Equipment hardware resource monitoring

VPN Tunnel Status Monitoring and Alerts

Service Traffic Bandwidth Statistics

Link Quality Probe (LQM)

NO.33 In MPLS VPN network troubleshooting, if “the VPN instance routing table on the PE device contains routes to the remote CE, but packets cannot be forwarded to the remote CE,” which of the following troubleshooting steps should be performed first?

Check if the VPN instance interface on the PE device can reach the remote CE.

Check if the BGP VPNv4 neighbor between PE devices is established normally.

Check if the MPLS LSP is established on the P device.

Check if the firewall on the remote CE device is blocking data packets.

NO.34 In Huawei’s SD-WAN solution, for the scenario of “VPN communication between multiple branches”, which of the following technologies can “achieve direct communication between branches without the need for headquarters relay”?

All inter-branch communication is relayed through headquarters, increasing latency.

SD-WAN inter-branch full interconnection tunnel technology (dynamically establishing direct connection tunnels between branches)

Only branch offices are allowed to access headquarters; direct communication between branches is prohibited.

Manually creating point-to-point tunnels for each pair of branches is complex to configure.

NO.35 In Huawei’s WAN solution, for scenarios with ” excessive WAN link latency (such as intercontinental links),” which of the following technologies can “optimize TCP protocol transmission performance and reduce the impact of latency on services”?

Enable the TCP window expansion option (increase the TCP receive window).

Reduce TCP transmission rate and decrease data transmission volume.

Switching to UDP protocol for transmission does not guarantee reliability.

Use the original TCP configuration directly without optimization.

NO.36 In Huawei’s WAN bandwidth optimization solution, for “real-time collaboration tool traffic transmitted across regions (such as Teams, Zoom),” which of the following technologies can
“ensure the smoothness of real-time voice/video and reduce lag”?

Transmit traffic directly without any optimization.

Application protocol-based acceleration technologies (such as optimizing the Real-time Transport Protocol, RTP)

Limit real-time bandwidth and prioritize file transfer.

All real-time traffic is relayed through headquarters, increasing latency.

NO.37 After the failure of the OSPF protocol in wide area networks, what is the core function of Type 6 LSA (Group Membership LSA)?

Used for OSPF multicast routing to transmit multicast membership information.

Used to describe external routes to the AS, propagating throughout the AS.

Used to describe summarized routes between areas, reducing routing table entries.

Used to describe router information within the network, propagated within the area.

NO.38 In an MPLS VPN network, which of the following failures will cause “MPLS LSPs between PE devices to fail to be established, and VPN data to fail to be forwarded”?

OSPF neighbor between PE and CE is established normally.

MPLS LSR-ID is not configured on the PE device.

The routing protocol on the CE device is configured correctly.

BGP VPNv4 neighbors are established normally between PE devices.

NO.39 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”?

Configure routing policies on the PE device to import CE routes into the BGP VPNv4 address family.

Configure a route import policy on the P device to pass CE routes to BGP.

Configure the BGP protocol on the CE device to directly advertise the VPNv4 address family to the PE.

No configuration is required; the PE device automatically imports the CE route to BGP VPNv4.

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Printable & Easy to Use H12-841_V1.5 Dumps 100% Same Q&A In Your Real Exam [Q17-Q39]

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