H12-821_V1.0 Exam Questions

The monitoring plane is generally composed of the monitoring unit of the main control board and the interface board, which can independently complete the system's environmental mon...

Which of the following options are available for the network type supported by the OSPF protocol? (Multiple choice)

The output information of a certain router is shown in the figure: <HUAWEl>display ospf peer OSPF Process 0 Router ID 10.0.0.2.2 Areas 0.0.0.0 Router ID: 10.1.2.2 GigabitEthernet0/...

If the Length/Type=07100 of an Ethernet data frame, which of the following options may the data frame be sent from? (Multiple choice)

Which of the following option packets belong to OSPF protocol packets? (Multiple choice)

In the VRP operating system, which of the following options can be configured to enter the view of OSPF area 0? (Multiple choice)

Regarding the range of BGP AS, which of the following descriptions are incorrect? (Multiple choice)

SAD (Security Association) is a parameter that must be negotiated when an IPsec tunnel is established, so which of the following parameters is used to uniquely identify SA? (Multip...

Which of the following descriptions about the linkage between VRRP and interface status to monitor the uplink interface is wrong? (Multiple choice)

As shown in the figure, SW1 and SW2 have just run RSTP and are now performing spanning tree calculation. So, which of the following descriptions about the port synchronization proc...

The ACL configuration on a certain router is shown in the figure, so which of the following items are the addresses that satisfy this condition? (Multiple choice)

BGP community attribute is an optional transitional attribute, which is a routing label and is used to simplify the execution of routing policies. It is divided into custom communi...

Which of the following descriptions about the next-hop application of routing in BGP are correct? (Multiple choice)

Which of the following transport multiple types of networks. Which of the following types of networks need to elect DR and BDR? (Multiple choice)

Which of the following metric types is supported by the IS-IS protocol? (Multiple choice)

Which of the following descriptions of the router's LSA processing principles are correct? (Multiple choice)

Which of the following descriptions about the difference between stacking and clustering is wrong? (Multiple choice)

Which of the following descriptions about BGP neighbors is wrong? (Multiple choice)

Which of the following are the advantages of building a campus network using stacking and clustering technologies? (Multiple choice)

Which of the following descriptions about LSA and LSDB are wrong? (Multiple choice)

Which of the following descriptions about IGMPv3 are correct? (Multiple choice)

As shown in the figure, it is a multicast network. Which of the following ports are multicast group member ports? (Multiple choice)

Which of the following descriptions of IS-IS area division are correct? (Multiple choice)

Which of the following descriptions about BGP Atomic_ Aggregate and Aggregator are correct? (Multiple choice)

Which of the following BGP path attributes are optional transition attributes? (Multiple choice)

Which of the following working mechanisms are included in PIM-DM? (Multiple choice)

Which of the following BGP route attributes can the Route-Policy tool modify? (Multiple choice)

Which of the following descriptions about Policy-Based-Routing and Routing-Policy are correct? (Multiple choice)

Which of the following descriptions about the introduction of external routes to BGP is correct? (Multiple choice)

If there is a wireless access controller serving as a DHCP relay, If the DHCP client cannot obtain an IP address dynamically, which of the following reasons may be the cause? (Mult...

Which of the following descriptions about the four forwarding models of WLAN roaming traffic are correct? (Multiple choice)

As shown in the figure, the IS-IS neighbor relationship is established between the two routers. Which of the following description about the process of establishing the neighbor re...

Which of the following optional protection functions are set to prevent the Layer 2 network from being invaded by malicious users. So which of the following descriptions about TC-B...

Which of the following parameters are involved in the election of the master switch in the stack? (Multiple choice)

The output of a device viewing LSDB is shown in the figure. According to the content analysis in the figure, what information can we obtain? (Multiple choice)

Which of the following attributes may not be included in the Update message of a BGP route? (Multiple choice)

Which of the following descriptions about BGP routing are correct? (Multiple choice)

Which of the following functions can the Type-2 routing type of EVPN support? (Multiple choice)

Which of the following descriptions about route-policy is incorrect? (Multiple choice)

Which of the following statements about routing tools is incorrect? (Multiple choice)

The Huawei Cloud Campus solution supports the Free Mobility function. Which of the following descriptions about the Free Mobility function is correct? (Multiple choice)

Which of the following statements about BGP security are correct? (Multiple choice)

With the evolution from IPv4 network to IPv6, some transitional technologies have emerged. Which of the following are common types of transitional technologies? (Multiple choice)

In the PIM protocol, which of the following packets have destination addresses that are unicast addresses? (Multiple choice)

Which of the following descriptions about IGMPV1 and IGMPV2 are correct? (Multiple choice)

Among the following VPN technologies, which one is likely to cause two IP packet headers in one packet? (Multiple choice)

The Error Code of the BGP Notification message is 2, it means that the OPEN message is wrong. Which of the following error subcodes are contained in it? (Multiple choice)

Which of the following information does the BGP Open message carry? (Multiple choice)

Which of the following statements about IGMPv2 routers maintaining segment group membership are correct? (Multiple choice)

BFD detection can be linked with which of the following modules to speed up fault detection? (Multiple choice)