H12-821_V1.0 Exam Questions

When creating a security zone in the USG firewall, which of the following is the default security priority?

Which of the following descriptions of stateful inspection firewalls is correct?

Which of the following technologies can be configured in a network that uses static routing to achieve Layer 3 interoperability, so that the local device can interoperate with the...

In VRRP, when devices in the same backup group perform VRRP packet authentication, which of the following parameters will not affect the authentication success or failure between t...

In VRRP, which of the following reasons will not cause two Master devices to appear in the same backup group?

In the PIM router, the (S, G) routing table entry guides packet forwarding. If the received multicast packet does not exist in the (S, G) routing table entry, which of the followin...

Which of the following descriptions about the application of RPF in multicast data forwarding is incorrect?

IGMP SSM Mapping does not process IGMPv3 report messages. In order to ensure that hosts running any version of IGMP on the same network segment can access SSM services, you do not...

During the process of BGP establishing a neighbor, if the TCP connection fails in the Active state, BGP will return to the idle state and retry the TCP connection.

Which of the following descriptions about AS attributes in BGP is wrong? <HUAWEI>display bgp error Error Type : Peer Error Date/Time :2010-03-22 12:40:39 Peer Address : 10.1.1.5 Er...

The configuration of the two routers is shown in the figure, and they can establish OSPF adjacency. <R1>display current-configuration interface GigabitEthernet0/0/1 # interface Gig...

When external routes are imported, Metric-Type-1 or Metric-Type-2 will be used, so which of the following is the calculation method of the routing cost of Metric-Type-1 type?

Which of the following is the reason why two routers that are directly connected can establish neighbor relationships but cannot establish OSPF adjacency relationships?

Type-7 LSA (ASBR-Summary-LSA) is not allowed to appear in the NSSA area.

Router-LSA can describe different link types. Which of the following is not a Router LSA link type?

OSPF runs directly on the TCP protocol and uses TCP port number 179.

In BGPv4, what is the next hop network address field carried by the MIP_REACH_NLRI attribute in the Update message?

Through the following display commands, by which of the following you can judge whether the switch loop failure is caused?

Which of the following descriptions about the difference between NSR and INSF, which of the following is correct?

In the BGP RR scenario, the first-level RR will be connected to a large number of second-level RRs, which may cause the BGP routing table of the first-level RR to overflow. What me...

If IGP routes want to become BGP routes, they can only pass the network command.

If the current router ID and remote identifier in BFD are configured incorrectly, if you want to modify, you can delete the incorrect configuration and reconfigure or directly conf...

If there are many different scenarios, so which of the following is not a scenario of L2TP?

If an enterprise needs to create an AS_Path filter (ipas-path-filter) to allow routes starting with 65123 in AS_Path to pass. Which of the following configurations is correct?

The attacker sends an ICMP response request and sets the destination address of the request packet as the broadcast address of the victim network to achieve the attack purpose, so...

IGMP SSM Mapping statically binds the multicast source to the multicast group, so that group members of IGMPv1 and IGMPv2 can also access the SSM multicast network. Which of the fo...

When advertising a certain BGP route, the device does not want to advertise it to any other BGP peers. The community attribute of this BGP route can be set to which of the followin...

Which of the following attributes must be recognized by all BGP devices and exist in Update messages?

ASPP technology enables firewalls to support multi-channel protocols such as FTP, and can also formulate corresponding security policies for complex applications.

Which of the following descriptions about OSPF is wrong?

Which of the following descriptions about OSPF Stub area and Totally Stub area is wrong?

As shown in the figure, there is part of the information output by the current ATE of the router. <HUAWEI>display pim rp-info VPN-Instance: public net PIM-SM BSR RP Number:1 Group/...

On-board AC refers to the built-in AC capability of Huawei agile switches to achieve integrated management of wired and wireless services. The traffic of wired and wireless service...

There are two ways to deploy Filter-Policy tools in BGP, one is to deploy globally under BGP, and the other is to deploy when pointing to peers (groups).

Which of the following BGP attributes will not be advertised to neighbors along with BGP Update packets?

The traffic-policy supports calling on the interface, but only supports calling the traffic policy in the outbound direction of the interface.

Which type of TLV does IS-IS use to describe IP Interface Address?

Which of the following does not belong to the OSI network management model?

When establishing an EBGP neighbor relationship in BGP, what is the default TTL value of the message?

As shown in the figure, when R2 passes the route of 10.0.1.0/24 to R3, which of the following is the Next_Hop address of the route?

Which of the following messages does BGP use to report error messages and terminate peer relationships?

An administrator of a company modifies a user's access rights and authorization attributes and other parameters on the authentication server. If the user who has been successfully...

Huawei's CloudCampus solution supports the business mobility function, which can be configured through graphical policies to enable users to access it anytime and anywhere.

As shown in the figure, the network layers of R1 and R2 are directly connected, and there are layer- 2 transmission devices S71 and S72 in the middle of the link. Now the user hope...

As shown in the figure, R1 and R2 constitute a VRRP backup group with a VRID of 1. Which of the following descriptions about the VRRP master and backup election process is wrong?

Telemetry is mainly used to monitor the network, including packet inspection and analysis, security intrusion and attack detection, intelligent data collection, application perform...

The two routers RA and RB are directly connected, but the OSPF neighbor relationship cannot be established. The result of packet capture is shown in the figure. According to the pa...

On a campus network, an engineer discovered that the AP atarted abnormally. Which of the following does not cause the failure?

Which of the following descriptions about BGP route aggregation is wrong?

As shown in the figure, all three switches run the RSTP protocol, so which of the following descriptions about the topology convergence process is correct?