H12-891_V1.0 Exam Questions

Portal authentication is also called Web authentication. Users can authenticate user identities through the Web authentication page. Which of the following descriptions of Porta1 a...

In a virtualized campus network scenario deployed through iMaster NCE-Campus, some key parameters need to be configured when configuring the authorization results for access authen...

Which of the following descriptions of BGP/MPLS IP VPN network architecture is wrong?

Which of the following descriptions about DHCP Snooping is wrong?

In different scenarios, RSTP provides different protection functions. Which of the following is wrong?

Regarding the description of Network Address Port Translation (NAPT) and Network Address Only Translation (No-PAT), which of the following statements is correct?

Regarding the description of configuring the security level of the firewall security zone, which of the following statements is correct?

Regarding the description of MAC address spoofing attack, which of the following statements is correct?

The default priority of VRRP devices in the backup group is?

The default sending interval of BFD detection packets is?

What is the default lease period of the DHCP address pool?

In scenarios with dense rooms such as dormitories, hotels, and wards, deploying an AP in each room will cause a large number of packets to be sent to the AC, which can easily cause...

SR-MPLS Policy needs to introduce business traffic into the tunnel for forwarding. If there are different business traffic going to the same destination address, in order to better...

Which of the following descriptions about the purpose of configuring LSP fragmentation on IS-IS equipment is correct?

When troubleshooting MSTP, the network administrator executed the display current- configuration command to obtain the configuration file of the device. Which of the following desc...

When the network administrator tried to access the internal network device through Telnet, he found that he could not access it. Which of the following reasons is impossible?

Which of the following is the meaning of the ipv6 enable topology ipv6 command in IS-IS protocol view?

There are many types of token buckets. Which type of token bucket should be used for long-term burst traffic?

Which of the following options is not the discarding strategy of the cache queue?

How many bits are there in the MPLS label field?

There are three different roles in strategic linkage. Which of the following is not a role defined in strategic linkage?

A company's headquarters network and branch network are interconnected through the Internet. If you want to use VPN technology to ensure safe and reliable data transmission between...

In the scenario of dynamically establishing a VXLAN tunnel through BGP EVPN, when EVPN Type2 is used to advertise host ARP and host IP routes respectively, which option is wrong in...

In the campus network, in order to facilitate the management of servers, printers, video surveillance and other equipment, which of the following methods is recommended for address...

For scenarios where advanced security functions such as UR filtering, IPS, security defense, and AV anti-virus need to be supported, and multi-link uplink needs to be supported, wh...

In the scenario of dynamically establishing a VXLAN tunnel through BCP EVPN, when using BGP EVPN Type2 routing for host MAC address advertisement, which of the following descriptio...

Which of the following BGP routing attributes cannot control BGP route selection?

Which of the following descriptions of Underlay in VXLAN virtualized campus applications is wrong?

In the firewall dual-machine hot standby scenario, when VGMP is working in load sharing mode, in order to avoid the return traffic being discarded because it does not match the ses...

After the interface Sticky MAC function is enabled on the device, what is the number of MAC addresses learned by the interface by default?

According to the information given in the figure, which of the following descriptions of the IPv6 routing information calculated by the R router through ISIS is correct?

Which of the following descriptions of MPLS label space is wrong?

Part of the configuration of device H is as shown in the figure. Which item is wrong in the following description of this configuration?

Which of the following descriptions of BGP/MPLSIPVPN routing interactions is wrong?

An interface has the following configuration: isitimerhello5level-2. Which of the following descriptions is correct?

In the following MPLSL3VPN cross-domain solution, which one of the VPNv4 routes needs to be transmitted between ASBRs?

Which of the following NAT64 prefixes does not require manual configuration by the administrator?

As shown in the figure, the OSPF protocol is enabled on all interfaces of the router. Which of the following descriptions is correct?

As shown in the figure is the output information of a network engineer when troubleshooting OSPF faults. Based on this judgment, which of the following reasons may cause the adjace...

Based on the information given in the figure, which of the following descriptions is correct?

Which of the following descriptions about traffic policing is correct?

As shown in the figure, if you want to allow only legal users (users who obtain IP addresses through a legal DHCP server or specific static IP users) to access the network in the n...

In the scenario of dynamically establishing a VXLAN tunnel through BGP EVPN, which of the following descriptions about the role of BGP EVPN Type3 routing is wrong?

Which of the following descriptions of data encryption methods is wrong?

In Huawei's SD-WAN solution, the topology orchestration results are delivered to the RR through which of the following methods?

As shown in the figure, PE1 enables the SR-MPLS function based on OSPF. Based on this, it can be inferred that the label when PE1 forwards the data packet to 10.0.3.3 is?

All routers in a network enable the SR-MPLS function based on OSPF. The SRGB of each router is as shown in the figure. By default, when R3 forwards a packet with the destination ad...

When the client calls iMaster NCE Campus RESTful When using the API, if the server returns status code 401, which of the following descriptions is correct?

During the HTTP communication process, the client only sends a request for each HTTP connection. Once the server response data is sent, the connection will be released. To solve th...

Which of the following descriptions about labels is wrong?