最新的Huawei-certification認證 H12-841_V1.5考試題庫

問題1

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 CE equipment has any hardware malfunctions.

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

正確答案: D

問題2

In the WAN BGP protocol, which of the following loop prevention mechanisms can "reject routes containing local AS numbers by checking the AS paths traversed by the route"?

A. BGP MED attributes

B. BGP Local Preferences property

C. IBGP horizontal segmentation

D. AS_PATH anti-loop

正確答案: D

問題3

In Huawei's WAN bandwidth optimization solution, for the scenario of "frequent transmission of a large number of small files", which of the following technologies can "reduce the number of transmissions and improve efficiency"?

A. Small file merging and transmission (packing multiple small files together for transmission)

B. Transfer each small file separately, without merging them.

C. Lower the priority of small file transfers and transfer them during idle periods.

D. Compress each small file and transmit it separately, without changing the number of transmissions.

正確答案: A

問題4

In Huawei's WAN bandwidth management solution, which of the following functions can "protect the bandwidth usage of specific users (such as executives) and ensure that their business is not affected by other users"?

A. Disable network access for other users, allowing only executives to use it.

B. User-based bandwidth guarantee policy (configuring minimum guaranteed bandwidth for senior management)

C. Limit bandwidth for other users, ensuring only access for senior management.

D. All users share bandwidth, with no priority distinction.

正確答案: B

問題5

In Huawei's WAN bandwidth optimization solution, for " office documents (such as Word and Excel) transmitted across regions", which of the following technologies can "reduce the transmission of duplicate files and improve efficiency"?

A. Sort by file size and transfer smaller files first.

B. Duplicate file filtering based on file fingerprints (files that have already been transmitted will not be transmitted again).

C. Compress the file before transmission without changing the number of transmissions.

D. Transfer all files directly without performing duplicate checks.

正確答案: B

問題6

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 default route (0.0.0.0/0)

B. Type 7 LSA (NSSA External Router)

C. Type 3 LSA Inter-area summary route

D. Type 5 LSA (AS External Route)

正確答案: A

問題7

For the "cloud access optimization" scenario, which of the following technologies in Huawei's SD- WAN solution can enable "fast access to public cloud (such as AWS, Huawei Cloud) resources by branches"? (Multiple choice)

A. Cloud dedicated line connection (such as SD-WAN and direct connection to public cloud, reducing transit latency)

B. All cloud access is relayed through headquarters, increasing transmission latency.

C. Manually configuring a large number of static routes is complex to maintain .

D. Edge nodes connect to the nearest cloud node (select the cloud access point closest to the branch).

E. Cloud routing optimization (automatically learns public cloud network segments, avoiding manual configuration of static routes)

正確答案: A,D,E

問題8

In the WAN BGP protocol, which of the following attributes can be used to "transmit route priority to EBGP neighbors, with smaller values indicating higher priority"?

A. MEDMulti-Exit Discriminator

B. Next Hop

C. Local Preference

D. AS_PATH

正確答案: A

問題9

In Huawei's WAN solution, for scenarios where " intermittent packet loss occurs in the WAN link," which of the following technologies can "ensure the reliability of data transmission through a retransmission mechanism"?

A. TCP-based retransmission mechanism (automatic retransmission of lost data packets)

B. Ignoring packet loss and not performing any retransmission processing leads to data loss.

C. Reduce the transmission rate to forcibly reduce the probability of packet loss.

D. Relies solely on link-layer retransmissions, without handling network-layer packet loss.

正確答案: A

問題10

In troubleshooting MPLS VPN networks, if you need to check whether the BGP VPNv4 routing of a VPN instance on a PE device is working properly, which of the following commands should you use?

A. display mpls lsp

B. Display IP routing-table VPN instance [instance name]

C. `display ospf peer vpn -instance [instance name]`

D. Display bgp vpnv4 instance [instance name] routes

正確答案: D

問題11

In an MPLS VPN network, which of the following configurations is NOT a necessary condition for
"CE devices and PE devices to exchange routes via BGP "?

A. Configure routing policies on the CE device to advertise local routes to the PE device.

B. Configure BGP neighbors on the D.P device to transmit routes between CE and PE.

C. Configure BGP VPNv4 address family on the PE device.

D. The BGP neighbor relationship between the CE and PE devices has been configured and successfully established.

正確答案: B

最新的Huawei HCIP-Datacom-Campus Network Planning and Deployment V1.5 - H12-841_V1.5免費考試真題

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