H12-821_V1.0 Exam Questions

As a business module of the frame type equipment, which of the following modules provides high- speed non-blocking data channels and realizes the business exchange function between...

The original AS_Path of a BGP route is 10. After the apply as-path 200300Overwrite command is configured, which of the following options is the correct one in the AS_Path?

So which of the following operations can make R1 and R2 management established normally?

Which of the following descriptions about BGP route optimization is correct?

A VRRP virtual router is configured with a VRID of 3 and a virtual IP address of 100.1.1.10, so which of the following is the virtual C address?

When the service is configured as VLANPool1, if the user fails to obtain an IP address within a certain period of time and the dhcp update vlan assignmentthreshold reaches a certai...

How long is the IS-IS LSP flooding time in seconds?

An autonomous system refers to an IP network with the same routing strategy under the jurisdiction of one entity. Under normal circumstances, the 2-byte AS number range is which of...

Which of the following is wrong about OSPF discarding directly?

Which of the following descriptions about the default sending time interval of BFD detection packets is correct?

Which of the following descriptions about the DHCPv6 address allocation process is correct?

Which of the following descriptions of OSPF special areas is incorrect?

Among the following routing protocols, which one does not belong to IGP?

Routers R1 and R2 establish an OSPF neighbor relationship. When R1 receives an LSU message from R2, which of the following methods will it use to inform R2 that it has received the...

R1 is using the default-route-advertise command will turn the router into an ABR.

Which of the following descriptions of LSP in IS-IS is incorrect?

Which of the following options is the minimum total length of the NET address in IS-IS?

In IS-IS, setting which of the following flags means that although the LSP will still spread in the network, the LSP will not be used when calculating the route through the overloa...

Which of the following descriptions of BGP notification principles is incorrect?

Which of the following states represents the established connection between peers in BGP?

The Open message of BGP is used to establish a peer connection. Which of the following is not the parameter information carried in the Open message?

Which of the following descriptions about PBR (Policy-Based Routing) is correct?

If the number of spanning trees can be generated in an MST domain, and each spanning tree is called an MSTI. MSTI uses Instance ID information, and the value of Huawei equipment is...

In IGMPv3, if all the multicast members of a group leave, how many seconds does it take for the router to delete the corresponding multicast forwarding entry?

Which of the following descriptions about the IGMPv3 report (G, include, (S1)) sent by a host is correct?

Some safety areas have been created by default on the fire blockage. Which of the following safety areas does not exist by default on the fire blockage?

Multicasting packets are carried on which of the following types of headers?

As shown in the figure, R1 and R2 are in a VRRP backup group, if R1 fails, which of the following actions will R2 perform?

Which of the following descriptions of the VRRP working process is incorrect?

In link networking, which of the following backup technologies has the lowest cost and the slowest switching speed?

Which of the following descriptions about Link ID in OSPF Type 3 LSA is correct?

Which of the following descriptions of OSPF virtual connections is incorrect?

Which of the following fields is not included in the LS Request message?

When a router running IS-IS finds that the LSDB is out of sync, what kind of message will it send to request its neighbors to send a new LSP?

If a BGP device is configured with the ip as-path-filter 1 permit ^12.*35$ command, which of the following AS_Paths can be correctly matched?

Which of the following multicast protocol capable of generating a multicast distribution tree?

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 R2 is 10.0.3.2. When R1 receives the OSPF message sent by...

Which of the following statements about OSPF and IS-IS is wrong?

Which of the following description about OSPF DR is incorrect?

Which of the following descriptions about the duplicate address detection function of NDP is wrong?

An LSP can have multiple nodes, different node numbers are identified by seq-number, and the relationship between different seq-number parts is an "or" relationship.

Check the IGMP configuration of the interface on the router RTA as follows. <RTA>display igmp interface GigabitEthernet0/0/1(192.168.1.1): IGMP enable Current IGMP version is 2 IGM...

When using Route-Policy's if-match to create a matching rule, which of the following BGP attributes cannot be matched?

The prefix list (IP-Prefix List) can match the IP address prefix length and mask length at the same time because it has three parameters: less-equal-value, mask-length, and greater...

Which of the following descriptions about route introduction is wrong?

Which of the following is the multicast destination address of the Hello message in PIM?

Which of the following descriptions about IGMPv3 is wrong?

Among the following encryption algorithms, which one requires the use of two different secret keys, the public key and the private key?

Which of the following states will not be experienced during the establishment of a BFD session between devices?

In VRRP networking, which of the following backups supports both active backup and load sharing backup?