H12-821_V1.0 Exam Questions

Which two types of routing entries on a PIM network, (S, G) routing entries are used to set up on a PIM network and are applicable to both PIM-DM and PIM-SM modes.

Match the following IPv4 multicast protocols with the corresponding functions.

When an error version check, an engineer configures IGMP snooping on a device and the version of IGMP snooping is earlier than the IGMP versions on user hosts. In this case, which...

The Neighbor Discovery Protocol (NDP) is an important basic protocol in the IPv6 protocol suite and plays an important role. Which of the following functions and features does it s...

Regarding multiple types of addresses. Which of the following statements is false about these addresses?

There are various types of VPNs, which can be applied to different layers. Which of the following network layers does SSL VPN belong to?

GRE is a VPN encapsulation technology that is widely used to transmit packets across heterogeneous networks. Which of the following statements is false about GRE?

To ensure that some security zones are created when Huawei firewalls are enabled. Which of the following security zones is created by users?

When receiving a packet that does not match any session table entry, the firewall discards the packet to prevent external attacks and ensure internal information security.

GRE is a VPN encapsulation technology that encapsulates packets of certain data link layer protocols so that the encapsulated packets can be transmitted over an IP network.

When multiple access channels are set for the same access requirement, the insecure access channels are not used and secure access channels are selected in which case? Which of the...

An administrator wants to configure single-hop BFD to implement fast detection of direct links. Which of the following configurations are mandatory?

In a VRPP (Virtual Router Redundancy Protocol) configuration, VRRP is associated with a BFD session. When a backup device detects a fault through BFD, the backup device immediately...

Which of the following statements is false about BFD?

When a user detects fault in channels at multiple network layers, ensuring high reliability. In which of the following layers does BFD belong?

When VRRP snooping, if VRRP is not configured to track an uplink interface and the uplink interface or link of the master device in a VRRP group fails, no switchover will be trigge...

In the SNMP management model, which of the following elements defines the attributes of a managed device?

In inter-AC roaming scenarios, an AC can function as the mobility server of multiple mobility groups, but can be added only to one mobility group.

A large shopping mall configures a VLAN pool to prevent network performance deterioration caused by potentially large broadcast domains. A network engineer checks and has statistic...

To adjust different subnets before and after Layer 3 roaming. To enable the STAs to access the original network after roaming, network engineers need to configure user traffic to b...

The typical characteristics of the AI era are that it focuses on data, explores data value, and improves AI efficiency. Therefore, the core requirement of AI for data center networ...

A switch usually comprises the monitoring units of main control boards and interface boards. This plane can monitor the system environment independently. Which of the following env...

Which of the following statement regarding the display ospf peer command output is true? <Image showing `display ospf peer` output, including 'Router ID: 10.1.1.1 Address: 10.1.1.1...

Which of the following statements regarding different LSA types is false?

To avoid routing loops, OSPF does not allow advertising routing information between two non-backbone areas and allows sing routing information only within an area or between the ba...

Which of the following statements regarding OSPF route summarization is false?

Which of the following statement is false?

Which of the following statements regarding the LSA age field are true?

In the OSPF protocol, inter-area route calculation involves only Router LSA, Network LSA, and Summary LSA.

Which of the following statements regarding DR/BDR are false?

When OSPF neighbors exchange LSDB information using DD packets, a master/slave relationship is formed first, the router with a larger router ID is the master, and determine the MS...

Which of the following TLVs is used by ISIS to describe the IP address of an interface?

Which of the following is the default interval at which the DIS on a broadcast IS_IS network sends CSNPs.

After which of the following parameters are modified does an IS-IS neighbor relationship need to re-established?

To import IGP routes into BGP routes, you can only use the network command.

In a route-policy, which of the following BGP attributes can be used in apply clauses?

According to BGP route selection rules, the route with the higher Local_Pref is preferred.

If a BGP router ID is configured in both the system and the BGP view, BGP uses the router ID configured in the BGP view because the BGP view takes precedence over the system view.

Which of the following attribute must be carried in an Update message?

In BGP, the origin attribute of the routes imported using the import-route command is incomplete.

Which of the following statements regarding BGP route advertisement are false?

Which of the following statements regarding summary automatic command and BGP route summarization is false?

Which of the following routing protocols support the default route through command configuration?

Which routing policy is used to filter routes, which of the following route prefixes will be denied by the IP prefix below? `[HUAWEI] ip ip-prefix aa index 10 permit 1.1.1.1 24 gre...

Currently, the 3000 export command is run in an ISIS process. Which of the following statements about the functions of a filter policy is false?

Preferences of routing protocols determine the sequence In which a router selects a route among routes to the same destination learned through different routing protocols.

Which of the following statements regarding an IP prefix are true?

An IP prefix filter is used to filter IP address prefixes and can match an IP prefix number and a prefix length at the same time. Which of the following statements is true?

RSTP provides different functions in different scenarios. Which of the following statements is FALSE?

When implementing STP, RSTP defines the different port states. Which of the following statements regarding discarding and learning states are true?