Huawei H12-891_V1.0-ENU HCIE-Datacom V1.0 Online Training
Huawei H12-891_V1.0-ENU Online Training
The questions for H12-891_V1.0-ENU were last updated at Dec 24,2024.
- Exam Code: H12-891_V1.0-ENU
- Exam Name: HCIE-Datacom V1.0
- Certification Provider: Huawei
- Latest update: Dec 24,2024
Which of the following descriptions about traffic policing is correct?
- A . Traffic policing will discard traffic that exceeds the limit.
- B . Traffic policing will cache traffic that exceeds the limit.
- C . Traffic policing can only be used in the outbound direction.
- D . Traffic policing can only be used in the inbound direction.
As shown in the figure, if you want to allow only legal users (users who obtain IP addresses through a legal DHCP server or specific static IP users) to access the network in the network, which of the following solutions can be used?
- A . DAI+IPSG
- B . DHCP Snooping+DAI
- C . DAI+Port Security
- D . DHCP Snooping+IPSG
In the scenario of dynamically establishing a VXLAN tunnel through BGP EVPN, which of the following descriptions about the role of BGP EVPN Type3 routing is wrong?
- A . Type3 routing transmits Layer 2 VNI and VTEP IP address information
- B . When the Type3 routing VTEP IP address is reachable at Layer 3, if the peer VNI is the same as the local end, create a head-end replication table for subsequent BUM packet forwarding.
- C . Type3 routing will carry L3 VNI
- D . If the VTEP IP address carried by the received Type3 route is reachable by Layer 3 routes, a VXLAN tunnel will be established to the opposite end.
Which of the following descriptions of data encryption methods is wrong?
- A . Data encryption methods are divided into symmetric encryption and asymmetric encryption
- B . Asymmetric encryption uses public key encryption and private key decryption
- C . The keys used in the symmetric encryption algorithm must be exchanged via email, otherwise there is a risk of key leakage
- D . Symmetric encryption algorithms use the same key to encrypt and decrypt data.
In Huawei’s SD-WAN solution, the topology orchestration results are delivered to the RR through which of the following methods?
- A . BGP configuration
- B . Flow table
- C . OSPF configuration
- D . SNMP configuration
As shown in the figure, PE1 enables the SR-MPLS function based on OSPF. Based on this, it can be inferred that the label when PE1 forwards the data packet to 10.0.3.3 is?
- A . 24001
- B . 24004
- C . 24003
- D . 3
All routers in a network enable the SR-MPLS function based on OSPF. The SRGB of each router is as shown in the figure. By default, when R3 forwards a packet with the destination address 10.0.4.4, the SRGB carried is as shown in the figure. It shows that by default, when R3 forwards a packet with the destination address 10.0.4.4, which of the following MPLS labels is carried?
- A . 50100
- B . 40100
- C . 100
- D . 3
When the client calls iMaster NCE Campus RESTful When using the API, if the server returns status code 401, which of the following descriptions is correct?
- A . The requested resource does not exist
- B . Unauthorized
- C . No access allowed
- D . Service is unavailable
During the HTTP communication process, the client only sends a request for each HTTP connection. Once the server response data is sent, the connection will be released.
To solve this problem, which header field extension can be used to maintain the HTTP session without immediately disconnecting?
- A . Cookies
- B . Session
- C . Connection
- D . Set-Cookie
Which of the following descriptions about labels is wrong?
- A . The LSP established by statically assigning labels can also be dynamically adjusted according to network topology changes without administrator intervention.
- B . The principle to be followed when manually assigning labels is that the value of the outgoing label of the upstream node is the value of the incoming label of the downstream node.
- C . LSP is divided into two types: static LSP and dynamic LS: Static LP is manually configured by the administrator, and dynamic LSP is dynamically established using label protocol.
- D . Dynamic SP is dynamically established through label publishing protocols, such as MP-BGP, RSVP-TE, and LDP
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