Huawei HCNP-R&S Fast Track - H12-224-ENU Exam Questions [2026]

QUESTION NO: 1
Single-packet attacks indicate that an attacker controls botnet hosts to send a large number of attack packets, causing link congestion on the attacked network and system resource exhaustion.

A. FALSE B. TRUE

Correct Answer: A

QUESTION NO: 2
Which of the following packets are transmitted in unicast mode during IP address application by the DHCP client and IP address allocation by the DHCP server? (Multiple Choice)

A. DHCPACK B. DHCP Offer C. DHCP Request D. DHCP Discover

Correct Answer: A,B

QUESTION NO: 3
Port isolation can isolate communication between different interfaces in the same VLAN on a switch.

A. FALSE B. TRUE

Correct Answer: B

QUESTION NO: 4
In vAR application scenarios, which functions of the AR Router can be virtualized on a server? (Multiple Choice)

A. VoIP B. NAT C. VPN D. Firewall

Correct Answer: A,B,C,D

QUESTION NO: 5
Which of the following statements regarding a route-policy are true? (Multiple Choice)

A. An if-match clause defines the matching condition of the node, and an apply clause defines the routing behavior for the packets meeting the matching condition. B. The operator between nodes of a route-policy is OR. That is, packets passe through the route-policy as long as they match one node. C. The operator between if-match clauses under a node is AND. That is, packets match the node only when they match all the if-match clauses under the node. D. A route-policy consists of multiple nodes, and each node can contain multiple if-match and apply clauses.

Correct Answer: A,B,C,D

QUESTION NO: 6
Which of the following statements regarding a multicast distribution tree is false?

A. The PIM-DM protocol can generate both RPT trees and SPT trees B. There are two types of multicast distribution trees: SPT and RPT C. The PIM-DM protocol can generate only SPT trees D. The PIM-SM protocol can generate both RPT trees and SPT trees

Correct Answer: A

QUESTION NO: 7
Only MD5 authentication is supported between BGP peers.

A. FALSE B. TRUE

Correct Answer: B

QUESTION NO: 8
Which of the following statements regarding the summary automatic command and BGP route summarization is false?

A. This command is used to implement automatic summarization. Automatic summarization takes precedence over manual summarization. B. After this command is configured, BGP summarizes routes based on natural network segments. C. This command enables automatic summarization for the locally imported routes. D. After this command is configured, BGP does not accept the subnet routes advertised by IGPs. Therefore, the number of routing information is reduced. E. After this command is configured, BGP sends only the summarized routes to peers.

Correct Answer: A

QUESTION NO: 9
Which of the following statements regarding well-known discretionary attributes are true? (Multiple Choice)

A. These attributes must be transmitted between BGP peers. B. All BGP routers must identify these attributes. C. These attributes do not necessary to be carried in Update messages, and BGP routers can determine whether to carry them in Update messages. D. These attributes do not necessary to be transmitted between BGP peers.

Correct Answer: B,C,D

QUESTION NO: 10
Which of the following are included in the full lifecycle guest management of the Agile Controller? (Multiple Choice)

A. Account registration B. Account audit and deregistration C. Account authentication D. Account approval and distribution

Correct Answer: A,B,C,D

QUESTION NO: 11
Which of the following tests is not performed in the joint software commissioning?

A. Service performance test B. Standalone device test C. Connectivity test D. HA capability test

Correct Answer: B

QUESTION NO: 12
Which of the following statements regarding border security optimization are true? (Multiple Choice)

A. Border security optimization aims to achieve secure user access control. B. Optimization measures include attack defense technologies, packet filtering, and hardware firewalls. C. Border security optimization aims to prevent or reduce external network attacks and harm. D. The optimization position is usually located at the network edge.

Correct Answer: B,C,D

QUESTION NO: 13
During the sbuctured network troubleshooting process, in which of the following phases is the fault reported or advertised to other departments? (Multiple Choice)

A. Cause list B. Information collection C. Troubleshooting assessment D. Fault identification

Correct Answer: A,B,C,D

QUESTION NO: 14
Which of the following traffic can be mirrored through port mirroring? (Multiple Choice)

A. Packets sent by a port B. Packets received and sent by a port C. Packets received by a port D. Packets discarded on a port

Correct Answer: A,B,C

QUESTION NO: 15
The traditional tail drop method is used for packet loss, which causes global TCP synchronization.

A. FALSE B. TRUE

Correct Answer: B