H12-821_V1.0 Exam Questions

The output information of a router is below, which is correct about this information?

The multicast destination address of the VRRP message is?

A certain router runs IS-IS, and its output information is shown in the figure. Which of the following statements is correct?

Four routers run IS-IS and have established adjacency relationships. The area numbers and router levels are marked in the figure. What is the Cost value for R4 to reach 10.0.2.2/32...

The four routers run IS-IS and have established an adjacency relationship. The area numbers and router levels are marked in the figure. What is the cost of R4 reaching 10.0.2.2/32?

The four routers run IS-IS and have established adjacency. The area numbers and router levels are shown in the figure. Which of the following is correct?

Based on this packet, which of the following is correct?

As shown in the figure below, the firewall receives a message from PC1 to PC2, which of the following statements is correct?

The following is the output information of a router. Which of the following statements is correct?

Which of the following is not a role of a stack switch?

As shown in the figure, which of the following statements is correct?

A router LSA is shown in the figure, which of the following statements is wrong?

Check the label on a router and see the following results: Which of the following statements is correct?

As shown in the figure, the IS-IS neighbor relationship between R1 and R2 has just been established, and the database synchronization process between R1 and R2 is correct?

As shown in the figure, both SWA.SWB.SWC run RSTP. What is the port role of GE0/0/2 port on SWB and GE0/0/1 port on SWC?

In the switching network shown in the figure, all switches run the STP protocol. When the topology is stable, modifying the sending cycle of the configuration BPDU on which of the...

In a given network structure and OSPF partitions shown in the figure. In the figure, except RTA, RTB, RTC and RTD are all ABR routers.

If the data frames shown in the figure and the configuration on the interconnection port of the switch, it can be judged that the data frame tagged with VLAN10 can be forwarded nor...

R1 contains the configuration shown in the figure. isis 1 net-style wide network-entity 49.0022.ee8c.a0c2.baf2.00 Which option is correct for the following description of IS-IS pro...

The following is part of the output information of the router RTD. display igmp-snooping IGMP Snooping Information for VLAN 3 IGMP Snooping is Enabled IGMP IP Version is Set to def...

Which of the following description about the content contained in the update message is wrong?

Which of the following statements about stack splitting is incorrect?

Which of the following statements about stacked MAD detection is incorrect?

Which of the following descriptions about BGP, OSPF, IS-IS, and RIP is correct?

The routing attributes of the three routing entries are as shown in the figure. Assume that the next hop of the three routing entries is reachable. When these three routing entries...

The figure below is the BGP error output information of a router. <huawei> display bgp error Error Type: Hold Timer Error Time: 2010-03-22 12:40:39 Error Address: 10.1.1.9 BGP Name...

As shown in the figure, OSPF is enabled on all interfaces of the router. The cost value of the link is marked in the figure. Interface 0 of R2 Loopback0 is advertised in Area 0; In...

As shown in the figure, it is part of the output information of the router RTD. IGMP limit: 40 except: 2000 value of query interval for IGIP (negotiated):-s value of query interval...

As shown in the figure, three first-level switches are interconnected with one HUB. The STP function is enabled on all switches. Please refer to the figure below for the STP status...

There is an existing switch connected to a designated port through a certain port, but this port does not forward any packets, but can monitor network changes by receiving BPDUs, s...

Which of the following description of the virtual connection in OSPF is wrong?

Regarding BFD warning message "OSPF/3/BFDFAIL(OID) [1.3.6.1.2.1.14.16.2.6]: bfd session instance=virtual interface from a muter whos eauthentication key authentication type conflic...

If five Huawei routers establish a BFD session, the sending interval of AR1 is 50 milliseconds and the receiving interval is 80 milliseconds, the sending interval of AR2 is 60 mill...

Which of the following descriptions of the BFD session establishment method is incorrect?

Which of the following OSPF packets carries master-slave relationship information?

In the IP system, which of the following descriptions about OSPF cost (Cost) is wrong?

Which of the following descriptions about ABR in OSPF2 is wrong?

The four routers R1, R2, R3 and R4 enable OSPF to establish neighbor relationships. The topology and related parameters are shown in the figure. R1: ROUTER-ID: 1.1.1.1, G0/0/0 ip a...

Which of the following descriptions about URPF (Unicast Reverse Path Forwarding) is correct?

Which of the description of Router ID in OSPF, which of the following is incorrect?

When running the OSPF protocol exchange DD messages, which of the following parameters will be used to elect the master-slave relationship?

In the RSTP protocol, when the network topology changes, the mechanism to respond to the topology change is:

Which description of BGP reliable routing updates is correct?

In the OSPF process, what is the role of the DETAIL -SUPPRESSED option of the AGGREGATE command?

In the network shown in the figure, OSPF runs on four routers, and they are in the same area and the same network segment. OSPF will automatically elect a DR and a BDR, and the oth...

Data center equipment can be simply divided into computing equipment, storage equipment and network equipment. Which of the following is not a network device?

Whether the elected DR and BDR in a broadcast network listen to both the 224.0.0.5 address and the 224.0.0.6 address

When configuring dual-link hot backup in a WLAN network, the larger the value of the configured AC priority, the higher the actual priority of the AC.

Which of the following descriptions about the limitations of traditional traffic statistics is incorrect?

In which part of the multicast network architecture is the IGMP protocol used?