H12-891_V1.0 Exam Questions

As shown in the figure is the output information of a router when running the OSPF protocol. Based on this judgment, which of the following descriptions is correct?

OSPFv2 is an IGP running on an IPv4 network. OSPFv3 is an IGP running on an IPv6 network. The basic working mechanism of OSPFv3 is the same as OSPFv2, such as the election of DR an...

Which of the following regular expressions can only match BCP routing entries that first pass through AS300 and then pass through AS200?

The Router LSA information of a certain router is as shown in the figure. Which item is wrong in the following description?

Which of the following descriptions about MP-BGP is wrong?

As shown in the figure, which one of the following descriptions of EVPN configuration commands for VXLAN is wrong?

In a small and medium-sized cloud managed campus network scenario based on Huawei Cloud Campus Network Solution, which of the following components provides query services for autom...

Which of the following descriptions of the principles of DHCP is wrong?

As shown in the figure, Business Mobile is deployed in the virtualized campus network. PC1 belongs to the Sales security group, PC2 belongs to the R&D security group, and PC3 belon...

In Huawei's SD-WAN solution, when the CPE is located on the private network behind the NAT device, especially when the CPEs of two sites are located on the private network behind t...

In Huawei's SD-WAN solution, if the RR is deployed behind a NAT device, which of the following features needs to be deployed on the NAT device?

Which of the following protocols does not support SR-MPLS?

In the MA network environment, all IS-IS routers enable the SR-MPLS function. Which of the following descriptions is correct?

There are various services in the wide area bearer network of an enterprise. If you want to ensure the forwarding and processing of protocol packets when network congestion occurs,...

Compared with the OSPFv2 message header, which of the following is an added field in the OSPFv3 message header?

Which of the following descriptions about Sham link is wrong?

If you want to view files under Flash, which of the following commands should be used?

OSPFv2 is an IGP that runs on IPv4 networks, and OSPFv3 is an IGP that runs on IPv6 networks. Compared with OSPFv2, OSPFv3 has similar LSA types, but has slightly different functio...

In the virtualized campus network scenario deployed through iMaster NCE-Campus, which of the following descriptions of "site" is wrong?

In addition to virtual connections, which of the following types of IPv6 addresses is the source IPv6 address of OSPFv3 Hello messages?

In the test phase of cutover, which item is not a criterion to indicate that the test has been completed?

If the IS-IS configuration can be found through the display current-configuration command, but the IS-IS configuration cannot be found through the display saved-configuration comma...

Which of the following does not fall into the category of dynamic data collection on the existing network before cutover?

In a VXLAN network, which of the following identifies a VLAN ID similar to a traditional network and is used to distinguish VXLAN segments?

Which of the following statements about selecting the location of an authentication point in a network is wrong?

When there are multiple redundant links in the IS - IS network, multiple equal-cost routes may appear. the following descriptions about equal-cost routing within IS - IS networks i...

An enterprise has three types of services. Voice and video are both key services that need to be ensured, and FTP is a non-key service. Which of the following scheduling methods be...

Check tags When using EVPN to carry L2VPN, when forwarding unicast traffic, which of the following route types distributes unicast tags?

Suppose you need to deploy a wireless network in a hospital ward. Which of the following deployment methods is most suitable for achieving wireless coverage at low cost?

Which of the following commands can be used to view BGP VPNv4 routing and BGP private network routing information on PE?

In the check mark firewall dual-machine hot standby scenario, VGMP packets will not carry which of the following information?

Based on the information given in the figure, please judge which of the following descriptions of routes in the R4 routing table are correct?

Among the following MPLS L3VPN cross-domain solutions, which one does not require running MPLS between ASBRs?

In the virtualized campus network scenario deployed through iMaster NCE-Campus, which of the following descriptions about configuring network service resources is correct?

As shown in the figure, R1 and R4 establish a GRE tunnel to transmit data sent from PC1 to PC2. The TTL of the packets sent from the GE0/0/1 interface of R1 is 126, and the TTL of...

In Huawei Cloud wide area network solution, which of the following technologies can perform performance testing based on real business traffic?

When manually configuring an OSPF-based SR-MPLS BE tunnel, which of the following is not a required step?

After the network administrator of a company uploads the Python script demo.py of the OPS function to the network device, which of the following commands can be executed to run the...

The Python Paramiko library implements the SSH protocol. In the Python Paramiko module, which of the following methods can open an SSH interactive session?

The network administrator enters display telemetry sensor-path on the device to view Telemetry related information. The following is displayed. Which item in the following descript...

In the SSH algorithm negotiation phase, both parties exchange lists of algorithms they support. The symmetric encryption algorithm list of the SSH server is: aes256-ctr, aes192-ctr...

As shown in the figure, all routers enable the SR-MPLS function based on OSPF. When R1 forwards a data packet to the destination address 10.0.3.3, which of the following MPLS label...

If there are multiple service packets on the same link, in order to ensure that high-priority applications are used first when the link is congested, and low-priority applications...

Which of the following descriptions about access control in small and medium-sized campuses is wrong?

In the scenario of large and medium-sized virtualized campus networks, which one of the following descriptions about the security design of the campus network egress is wrong?

Which of the following algorithms is a data encryption algorithm?

As shown in the figure, R1 and R2 establish a GRE tunnel. Which of the following descriptions of this scene is correct?

A certain device outputs information as shown in the figure. Based on this judgment, when this device forwards data packets to 10.0.2.2, which of the following MPLS labels needs to...

The following is part of the NETCONF protocol message, <rpc xmlns="urn:ietf:params:xml ns:netconf:base:1.0"message-id="1024">Which layer in the NETCONF architecture is it located a...

iMaster NCE-Campus: Which of the following is the default port number of the northbound open API?