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Free Huawei H12-841 Practice Questions & Answers 2026 Part1

Are you preparing for the Huawei H12-841 certification exam? SPOTO offers the Huawei H12-841 Premium File; all questions are aligned with the latest exam content and come with expert-provided answers. Our question banks cover the latest question types, core concepts, and detailed explanations, helping you familiarize yourself with the exam format and difficulty level. Whether you are reviewing core concepts or simulating a real exam environment, these resources will rapidly boost your confidence and readiness.
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Question #1
DHCP dynamically configures and centrally manages IP addresses of hosts. Which of the following statements about DHCP is false?
A. 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
B. 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
C. DHCP supports static IP address allocation, in which it assigns fixed IP addresses to specified terminals
D. 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
View answer
Correct Answer: A
Question #2
Refer to the following figure. Which of the following solutions can be used to prevent users from accessing the network using statically configured IP addresses?
A. DAI+IPSG
B. DHCP Snooping+DAI
C. DHCP Snooping+IPSG
D. DAI-Port Security
View answer
Correct Answer: C
Question #3
Huawei switches support VLAN assignment based on interface, MAC address, protocol, and IP address.
A. RUE
B. ALSE
View answer
Correct Answer: A
Question #4
In Huawei's WAN solution, which of the following technologies can "enable on-demand bandwidth expansion of WAN links and avoid resource waste"?
A. ixed bandwidth configuration, which will not be adjusted regardless of business needs
B. onfigure maximum bandwidth; traffic exceeding this limit will be dropped
C. anually request capacity expansion only during peak business hours, and manually downgrade capacity after peak hours
D. n-demand elastic bandwidth expansion technology (automatically increases/decreases bandwidth based on service traffic)
View answer
Correct Answer: D
Question #5
Refer to the following figure. Which of the following solutions can be used to prevent users from accessing the network using statically configured IP addresses?
A. AI+IPSG
B. HCP Snooping+DAI
C. HCP Snooping+IPSG
D. AI-Port Security
View answer
Correct Answer: C
Question #6
In MPLS VPN network troubleshooting, if "the CE device cannot ping the remote CE device, but can ping the local PE device " , which of the following troubleshooting steps should be performed first?
A. heck if an MPLS LSP has been established between the local PE device and the remote PE device
B. heck if the CPU usage of the local PE device is too high
C. heck if the operating system of the CE device is running normally
D. heck if the network card of the CE device is working properly
View answer
Correct Answer: A
Question #7
Assuming BGP EVPN Type 2 routes are used to advertise host MAC addresses, which of the following statements is true?
A. BGP EVPN Type 2 routes carry specific L3VNIs
B. BGP EVPN Type 2 routes carry specific L2VNIs and L3VNIs
C. The RT carried in the routes is the export RT of the IP VPN instance
D. The IP Address and IP Address Length fields do not carry specific content
View answer
Correct Answer: A
Question #8
In the WAN BGP protocol, which of the following attributes is an "optional non-transitional attribute of a BGP route, used to convey the local AS's preference for that route to its neighbors"?
A. ext Hop
B. ocal Preference
C. ED
D. S_PATH
View answer
Correct Answer: B
Question #9
In an MPLS VPN network, which of the following configurations is a necessary condition for "PE devices and CE devices to exchange IPv6 routes via OSPFv3 "?
A. he MPLS protocol is enabled on the CE device, supporting OSPFv3 label forwarding
B. isable the BGP VPNv6 address family on the PE device and use only OSPFv3
C. he PE device enables the OSPFv3 protocol under the corresponding VPN instance and is configured with the same zone as the CE device
D. onfigure OSPFv3 protocol on the P device to transmit PE-CE IPv6 routes
View answer
Correct Answer: C
Question #10
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. etain the outer public network label, only strip the inner VPN label
B. trip the outer public network label, retain the inner VPN label, and forward it to CE
C. imultaneously strip the outer public network label and the inner VPN label, and forward the data to CE according to the IP address
D. etain the double-layer label and forward it directly to the CE device
View answer
Correct Answer: C
Question #11
DHCP dynamically configures and centrally manages IP addresses of hosts. Which of the following statements about DHCP is false?
A. f 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
B. he 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
C. HCP supports static IP address allocation, in which it assigns fixed IP addresses to specified terminals
D. hen 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
View answer
Correct Answer: A
Question #12
Which of the following technologies can be used to isolate users in the same VLAN, enhance user communication security, and prevent invalid broadcast packets from affecting services?
A. Super VLAN
B. Port isolation
C. IPSG
D. Ethernet port security
View answer
Correct Answer: B
Question #13
DHCP snooping is a security feature of DHCP that prevents DHCP servers and clients from being attacked. Which of the following statements about DHCP snooping are true? (Choose all that apply.)
A. A DHCP snooping-enabled device listens to DHCP messages and records client information obtained from DHCP Offer messages
B. After DHCP snooping is enabled on a switch, you need to configure the interface that receives DHCP messages from a DHCP server as a trusted interface
C. The device discards messages, such as DHCP ACK and DHCP Offer messages, received on untrusted interfaces from a DHCP server
D. When the interface directly connected to a DHCP client goes Down, the corresponding DHCP snooping entry does not disappear until the IP address lease of the DHCP client expires
View answer
Correct Answer: BCD
Question #14
In the WAN BGP protocol, if "IBGP neighbors are not configured with route reflectors or federations, and there are no direct links," which of the following problems will occur?
A. GP route aggregation failure
B. BGP neighbors do not forward routes to each other (split horizon mechanism)
C. GP neighbor authentication failed
D. GP neighbors cannot be established
View answer
Correct Answer: B
Question #15
On a campus network, which of the following problems may occur when you manually create a static VXLAN tunnel?
A. Remote MAC addresses can be learned by the VTEP only through data flooding
B. Although the static VXLAN tunnel mode supports the distributed gateway scenario, the configuration involves a heavy workload and is complex to adjust
C. A static VXLAN tunnel also uses corresponding protocols on the control plane, which consumes device resources
D. If N devices need to establish static VXLAN tunnels, a maximum of N(N - 1)/2 tunnels need to be manually configured, which involves a heavy workload
View answer
Correct Answer: BD
Question #16
Which of the following technologies can be used to isolate users in the same VLAN, enhance user communication security, and prevent invalid broadcast packets from affecting services?
A. uper VLAN
B. ort isolation
C. PSG
D. thernet port security
View answer
Correct Answer: B
Question #17
In an MPLS VPN network, which of the following descriptions best reflects the core role of the MPLS LDP protocol?
A. sed for forwarding VPN packets between P devices and identifying VPN instances
B. sed for transmitting VPNv4 routing information between PE devices
C. sed for assigning public network labels between PE/P devices and establishing label forwarding paths (LSPs)
D. sed for transmitting user routes between CE and PE devices
View answer
Correct Answer: C
Question #18
Which of the following encapsulation modes are supported in IPsec?
A. Switching mode
B. Tunnel mode
C. Transport mode
D. Routing mode
View answer
Correct Answer: BC
Question #19
In a wide area network (WAN) IPv6 transition scenario, if "an enterprise needs to publish IPv6 services to the outside world, and the outside world only supports IPv4 access", which of the following technologies should be adopted?
A. Pv4/IPv6 dual-stack technology (requires external IPv6 support)
B. Pv6 over IPv4 tunnel (only allows access from IPv6 terminals)
C. NS64+NAT64 (only enables internal IPv6 to access external IPv4)
D. AT46 (translates external IPv4 addresses into internal IPv6 addresses to enable access)
View answer
Correct Answer: D
Question #20
Which of the following is used to implement inter-subnet communication on a VXLAN network and allow access from a VXLAN network to an external non-VXLAN network?
A. Layer 3 VXLAN gateway
B. VLANIF interface
C. NVE interface
D. Layer 2 VXLAN gateway
View answer
Correct Answer: A
Question #21
Huawei switches support VLAN assignment based on interface, MAC address, protocol, and IP address.
A. TRUE
B. FALSE
View answer
Correct Answer: A
Question #22
Network Quality Analysis (NQA) is a real-time network performance detection and measurement technology. It monitors the performance of multiple protocols running protocols on a network. Which of the following can be monitored by NQA?
A. OSPF
B. DHCP
C. SNMP
D. ICMP
View answer
Correct Answer: D

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