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Share some HCNP-R&S H12-222-ENU exam questions and answers below.
The rapid detection technology can detect the communication failure with adjacent devices as soon as possible, so that the system can take timely measures to ensure uninterrupted service.
In the inter-domain packet filtering, which of the following options belong to the outbound direction?
A. trust -> untrust
B. untrust -> trust
C. untrust -> dmz
D. trust -> local
What is the command of configuring BFD with static default route linkage?
A. ip route-static 0.0.0.0 0.0.0.0 10.0.12.2 bfd-session 1
B. ip route-static 0.0.0.0 0.0.0.0 10.0.12.2 track bfd-session 1
C. ip route-static 0.0.0.0 0.0.0.0 10.0.12.2 track 1
D. ip route-static 0.0.0.0 0.0.0.0 10.0.12.2 track session 1
Which of the following options are not the default roles created by Huawei eSight?
SDN main technical schools advocate SDN using hierarchical open architecture, then which is used to advocate and define the centralized architecture and Openflow?
As shown in the figure, configured MPLS LSP in the network, and implemented local LDP session between SWA and SWB, then which of the following statements is true?
A. Configuration is correct
B. The mpls Isr-id on two devices can not be configured the same
C. Do not need to globally enable MPLS
D. Do not need to enable MPLS on the port
Which of the following description about the configuration is wrong £¿
A. Configure GigabitEthernet 0/0/1 interface as the trusted interface.
B. If the DHCP request message received from GigabitEthernet 0/0/1 has no SubOption1 information of Option 82, the device will generate Option 82 and insert it into the packet.
C. Open DHCP snooping configuration to prevent DHCP server counterfeiter attacks.
D. Open DHCP snooping configuration to prevent ARP spoofing attacks.
The interface IP address and virtual IP address of the VRRP can be the same.
DHCP server assigned to the client's dynamic IP address, usually have a certain lease period, then which description about the lease period is not correct?
A. The lease update timer is 50% of the total lease term. When the Lease Update timer expires, the DHCP client must update the IP address.
B. The rebinding timer is 87.5% of the total lease term.
C. If the re-binding timer expires, but the client does not receive a response from the server, it will send a DHCP REQUEST packet to the DHCP server that has previously assigned an IP address until the total lease term expires.
D. During the lease term, if the client receives a DHCP NAK packet, the client will immediately stop using the IP address and returns to the initial state to re-apply for a new IP address.
Which description about MAC address spoofing attack is not correct?
A. MAC address spoofing attack mainly uses the switch MAC address learning mechanism.
B. Attacker can through counterfeit source MAC address data frame send to switch to implement MAC address spoofing attack.
C. MAC address spoofing attack will cause the switch learn the wrong mapping relation between MAC address and IP address.
D. MAC address spoofing attacks will lead to the switch to be sent to the correct destination of the data is sent to the attacker.
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