Huawei H12-821_V1.0 Cert Guide PDF 100% Cover Real Exam Questions [Q82-Q99]

NO.82 On an STP network, the root bridge, root port, and designated port are elected in sequence. The election rules of these ports are different. List the steps for electing the root port in sequence.

NO.83 In special scenarios, when advertising routes to an IBGP peer, a BGP device needs to set the next hop to its IP address to prevent blackhole routes. Which of the following commands can be run in this case?

NO.84 In the network shown in the figure, R1 and R2 run the OSPF protocol. The Router-ID of R1 is 10.0.1.1 and the Router-ID of R is 10.0.2.2.

When Rt receives the DSPF message sent by R2, what is the neighbor status of R1 at this time?

NO.85 In the BGP protocol, if the preconditions are the same, please sort the following route types according to priority.
1) Manual aggregation
2) Automatic aggregation
3) Network
4) Import

NO.86 Which of the following description of the permanent multicast address is wrong?

NO.87 A monitoring plane usually comprises the monitoring units of main control boards and interface boards. This plane can monitor the system environment independently. Which of the following environment monitoring functions can be provided by the monitoring plane?

NO.88 IGMPV3 not only supports IGMPv1 General Query and IGMPv2 Group-Specific Query, and also IGMPv3 Source/Group-Specific Query.

NO.89 The command format of the prefix list (IP-Prefx) is ip ip-prefx ip-prefix-name [index index-number] permit | deny] ipv4-address mask-length [ greater-equal greater- equal-value] [less -equal less-equal- value], if only greater-equal is specified and less-equal is not specified, the prefix range is:

NO.90 BGP is generally applied to complex networks where routes change frequently. Frequent route flapping consumes a large number of bandwidth and CPU resources, and even affects the normal operation of the network. This is an unavoidable problem that cannot be solved in BGP.

NO.91 An IP prefix list is a common matching tool in routing policies. When an IP prefix list is configured on a Huawei router, which of the following parameters are optional?

NO.92 Compared with RSTP, which of the following port roles are added to MSTP?

NO.93 A Huawei firewall by default creates security zones named untrust, dmz, _________ and local. (Use Lowercase letters.)

NO.94 Four routers run ISIS and have established adjacencies. The area IDs and router levels are marked in the following figure. If route leaking is configured on R3, which of the following is the cost of the route from R4 to 10.0.2.2/32?

NO.95 If the Length/Type=O?100 of an Ethernet data frame, which of the following options may the data frame be sent from? (Multiple choice)

NO.96 Which of the following statements is false?

NO.97 When IGMP query is configured with SSM Mapping rules, SSM services can only be provided to member hosts running IGMPv2.

NO.98 Which statement about multicast packet forwarding is correct?

NO.99 BGP can select routes based on the AS_Path attribute. Therefore, in some cases, a route-policy needs to be used to modify the AS_Path attribute for route selection. Which of the following parameters can be specified in the apply as-path command for a route-policy to modify this attribute?