オンラインH12-841_V1.5テストブレーン問題集とテストエンジン
リアルHuawei H12-841_V1.5試験問題集には正解316問題と解答があります
質問 # 61
In Huawei's SD-WAN solution, which of the following functions can "remotely diagnose branch equipment faults without the need for on-site maintenance personnel intervention"?
- A. Disable remote access to the device and allow only local diagnostics.
- B. Only device alarms can be viewed; remote diagnostics are not possible.
- C. On-site maintenance personnel need to connect the equipment for diagnosis.
- D. Perform diagnostics by remotely logging into the device's command-line interface (such as SSH).
正解：D
質問 # 62
(Which of the following information types are transmitted through enhanced BGP EVPN in Huawei SD- WAN Interconnection Solution?)
- A. Service route
- B. IPsec SA information
- C. GRE configuration
- D. TNP route
正解：A、B、D
解説：
In the Huawei SD-WAN Interconnection Solution,enhanced BGP EVPNis used as the core control-plane technology to distribute not only traditional routing information but also SD-WAN-specific service and tunnel-related data. This enhancement allows centralized control and automated service deployment across branch and hub sites.
TNP routesare one of the key information types transmitted through enhanced BGP EVPN. TNP (Transport Network Plane) routes describe the reachability of transport tunnels between SD-WAN nodes and are essential for establishing and maintaining overlay connectivity across different transport networks such as Internet, MPLS, or LTE.
IPsec SA (Security Association) informationis also carried through enhanced BGP EVPN. This allows SD- WAN devices to dynamically establish secure IPsec tunnels without manual configuration, ensuring encrypted communication between sites while supporting fast deployment and scalability.
In addition,service routesare distributed using enhanced BGP EVPN. Service routes identify application or service-level reachability and enable intelligent traffic steering, policy-based forwarding, and service chaining across the SD-WAN fabric.
GRE configuration, however, is not transmitted through enhanced BGP EVPN. GRE parameters are typically configured locally and do not belong to the control information exchanged by EVPN in the Huawei SD-WAN solution. Therefore, the correct information types are TNP routes, IPsec SA information, and service routes.
質問 # 63
In Huawei's WAN management platform, which of the following functions can "generate device configuration compliance reports (such as whether ACLs are configured and whether authentication is enabled) to assist in security auditing"?
- A. Batch distribution of configuration templates
- B. Network topology visualization
- C. Configure compliance checks and report generation
- D. Equipment hardware resource monitoring
正解：C
質問 # 64
In troubleshooting MPLS VPN networks, if you need to "view detailed information about BGP VPNv4 neighbors on the PE device (such as neighbor status and establishment time)," which of the following commands should you use?
- A. display bgp vpnv4 all routes
- B. display mpls lsp
- C. display bgp vpnv4 peer [neighbor IP] verbose
- D. display ip routing-table vpn -instance
正解：C
質問 # 65
In Huawei's WAN solution, which of the following technologies can "transmit IPv6 data packets in an IPv4 WAN, enabling interoperability between IPv6 sites"?
- A. NAT64
- B. IPv6 over IPv4 IPsec tunnel
- C. DNS64
- D. IPv4/IPv6 dual-stack technology
正解：B
質問 # 66
(Which of the following negotiation modes are supported in IKEv1 negotiation phase 1?)
- A. Aggressive mode
- B. Quick mode
- C. Normal mode
- D. Main mode
正解：A、D
解説：
Comprehensive and Detailed 200 to 250 words of Explanation From HCIP Datacom Campus Network documents knowledge without any URL or Links:
IKEv1 negotiation consists of two phases.Phase 1is responsible for establishing a secure IKE Security Association (SA), including peer authentication, key exchange, and protection of subsequent negotiations. In Huawei IPsec implementations, IKEv1 Phase 1 supportsMain modeandAggressive mode.
Main modeuses six message exchanges to securely negotiate parameters, protect identity information, and establish a trusted channel. It provides higher security and is commonly used in site-to-site IPsec VPN scenarios.Aggressive mode, on the other hand, completes negotiation using only three message exchanges, offering faster setup at the cost of reduced identity protection.
Quick modeis not part of IKEv1 Phase 1; it is used inPhase 2to negotiate IPsec SAs for data traffic protection.Normal modeis not a valid IKEv1 negotiation mode.
According to HCIP Datacom Campus Network documentation and standard IPsec principles, the supported IKEv1 Phase 1 negotiation modes areMain mode and Aggressive mode, makingoptions B and Ccorrect.
質問 # 67
In an MPLS VPN network, when a PE device receives data packets from a CE device, if "the PE device does not associate the data packets with the correct VPN instance," which of the following problems will occur?
- A. The PE device automatically creates new VPN instance associated data packets.
- B. The data packet was dropped and could not enter the VPN forwarding process.
- C. Data packets are forwarded directly to the P device without any tags.
- D. Data packets are forwarded normally to the target CE device without affecting services.
正解：B
質問 # 68
In the OSPF protocol for wide area networks, what is the core function of the "NSSA (Not-So- Stubby Area)"?
- A. Disable OSPF authentication and simplify configuration.
- B. Allow the advertising of Type 5 LSAs (AS external routes) within the area.
- C. Prohibit the publication of Type 5 LSAs within the area; only Type 7 LSAs (NSSA external routes) are allowed.
- D. Achieve indirect connection between non-backbone regions and Area 0.
正解：C
質問 # 69
(DHCP dynamically configures and centrally manages IP addresses of hosts. Which of the following statements about DHCP is false?)
- A. 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.
- B. 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.
- C. DHCP supports static IP address allocation, in which it assigns fixed IP addresses to specified terminals.
- D. 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.
正解：B
解説：
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.
質問 # 70
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. Next Hop
- B. Local Preference
- C. MEDMulti-Exit Discriminator
- D. AS_PATH
正解：C
質問 # 71
(An MSP administrator creates a tenant account. Which of the following logs records the operation?)
- A. Security Log
- B. Operation Log
- C. Device Channel Log
- D. System Log
正解：B
解説：
Comprehensive and Detailed 200 to 250 words of Explanation From HCIP Datacom Campus Network documents knowledge without any URL or Links:
In Huawei iMaster NCE-Campus and CloudCampus management systems, different log types are designed to record different categories of events to support auditing, troubleshooting, and security analysis. When anMSP administrator creates a tenant account, this action is considered amanagement operationperformed through the system's management interface.
Such administrative actions are recorded in theOperation Log. Operation logs documentuser-initiated configuration and management activities, including tenant creation, modification, deletion, policy changes, and administrative actions performed by operators or administrators. These logs are essential for operation auditing and responsibility tracing in multi-tenant environments.
System logsmainly record internal system events, such as service startup, module status changes, or system exceptions, and do not track administrator operations.Security logsfocus on security-related events, such as login failures, abnormal access attempts, or permission violations, rather than routine administrative operations.Device channel logsrecord communication events between devices and controllers, such as device registration or channel status changes, and are unrelated to tenant management actions.
According to HCIP Datacom Campus Network and CloudCampus O&M documentation, tenant account creation performed by an MSP administrator is clearly categorized as anoperation behavior, and therefore it is recorded in theOperation Log.
質問 # 72
In Huawei's WAN bandwidth optimization solution, which of the following technologies can
"eliminate duplicate file blocks transmitted in the link and reduce bandwidth usage"?
- A. Deduplication technology
- B. Data compression technology
- C. Link aggregation technology
- D. Application-layer traffic shaping techniques
正解：A
質問 # 73
In the deployment of BGP routing policies in a wide area network, which of the following BGP attributes can be used to "control route reception and advertising" to achieve route optimization?
(Multiple choice)
- A. No routing policy is configured; all BGP routes are received and advertised .
- B. AS_PATH (Filter routes by AS path length or specific AS)
- C. MED (Affects the preferred order of routing for other ASs)
- D. Ignore BGP attributes and prioritize routes based solely on prefix length.
- E. Local Preference (Controls route preference within the local AS)
正解：B、C、E
質問 # 74
In Huawei's WAN bandwidth optimization solution, for "cross-regional web browsing traffic (HTTP/HTTPS)," which of the following technologies can "accelerate webpage loading speed and reduce waiting time"?
- A. Directly transmit webpage data without any optimization.
- B. Reduce webpage resolution, sacrificing display quality for speed.
- C. Only increase link bandwidth without optimizing web page transmission mechanisms.
- D. Edge caching of static web page resources (such as images and JS files cached to edge nodes).
正解：D
質問 # 75
In Huawei's WAN solution, which of the following technologies can "encapsulate IPv6 packets within IPv4 packets and transmit them over an IPv4 WAN to achieve cross-domain IPv6 interoperability"?
- A. IPv4/IPv6 Dual Stack
- B. NAT64
- C. IPv6 address translation
- D. IPv6 over IPv4 GRE tunnel
正解：D
質問 # 76
(Which of the following functions isnot supportedby AH?)
- A. Data origin authentication
- B. Anti-replay
- C. Data integrity check
- D. Data encryption
正解：D
解説：
Comprehensive and Detailed 200 to 250 words of Explanation From HCIP Datacom Campus Network documents knowledge without any URL or Links:
Authentication Header (AH) is one of the core IPsec security protocols and is designed to provide authentication and integrity protectionfor IP packets. AH ensures that the received packet is from a legitimate sender and that the packet has not been altered during transmission.
AH supportsdata origin authenticationby verifying the identity of the sender using cryptographic algorithms. It also providesdata integrity checking, ensuring that packet contents are not modified in transit.
Additionally, AH supportsanti-replay protectionby using sequence numbers to prevent attackers from capturing and retransmitting valid packets.
However, AHdoes not provide data encryption. All packet contents, including payload data, remain visible on the network. This limitation is inherent to the AH protocol design and is one of the main reasons ESP is more widely used in modern IPsec deployments.
According to HCIP Datacom Campus Network documentation, if confidentiality through encryption is required, ESP must be used instead of AH. Therefore, the function not supported by AH is data encryption, making option D the correct answer.
質問 # 77
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有効なH12-841_V1.5テスト解答とHuawei H12-841_V1.5試験PDF：https://www.goshiken.com/Huawei/H12-841_V1.5-mondaishu.html
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