Huawei H12-891_V1.0-ENU Übungsprüfungen
Zuletzt aktualisiert am 08.05.2025- Prüfungscode: H12-891_V1.0-ENU
- Prüfungsname: HCIE-Datacom V1.0
- Zertifizierungsanbieter: Huawei
- Zuletzt aktualisiert am: 08.05.2025
As shown in the figure, the network administrator can control the path of traffic entering AS100 after modifying the MED value of the routing entries sent to R2 through the routing policy on the R1 router.
- A . True
- B . False
The difference between SRv6 and SRMPLS is that the Segment in SRv6 SRH will not pop up after being processed by the node, so the SRv6 header can be used for path backtracking.
- A . True
- B . False
Which of the following descriptions about BGP/MPLS IP VPN data forwarding is wrong?
- A . The data sent from PE to CE is IPv4 message.
- B . The inner label during data forwarding is allocated by MP-BGP
- C . When data is transmitted through the BGP/MPLS IP VPN backbone network, it always carries two layers of labels.
- D . The outer label during data forwarding can be assigned by LDP
Which of the following description of Local-Preference is correct?
- A . Local-Preference can be propagated across ASs
- B . Local-Preference is a recognized mandatory attribute
- C . The default value of Local-Preference is 0
- D . The default value of Local-Preference is 100
Regarding the description of MAC address spoofing attack, which of the following statements is correct?
- A . A MAC address spoofing attack will cause the data that the switch intends to send to the correct destination to be sent to the attacker.
- B . An attacker can implement a MAC address spoofing attack by sending forged source Mac address data frames to the switch.
- C . MAC address spoofing attacks mainly utilize the switch’s Mac address learning mechanism.
- D . MAC address spoofing attacks will cause the switch to learn the wrong mapping relationship between Mac addresses and IP addresses.
Based on the information given in the figure, which of the following descriptions is correct?
- A . R4 and ee8c. a0c2. baf3 established IPv4 and IPv6 IS-IS neighbors.
- B . R4 does not have any IS-IS neighbors
- C . R4 and ee8c.a0c2.baf3 only established IPv4 IS-IS neighbor
- D . R4 and ee8c a0c2.baf3 have only established IPv6 IS-IS neighbors.
If you want to implement L3VPNv4 over SRv6 BE, you need to execute the segment -routing ipv6 best-effort command in which of the following command views?
- A . BGP IPv4 VPN instance view
- B . SRv6 view
- C . BGP view
- D . BGP ipv4-family vpnv4 view
In the MA network environment, all IS-IS routers enable the SR-MPLS function. Which of the following descriptions is correct?
- A . The LSP generated by DIS will describe all IS-IS routers in the network
- B . DIS will generate a special Node ID
- C . If SR-MPLS is enabled, there is no need to elect DIS
- D . DIS will collect the SRGB of each device in the MA network and notify it to other routers
As shown in the figure, the routers all run the OSPF protocol. Area2 is a completely stub area. Please match the type and area ID of the LSA contained in each area. (Drag and drop questions)
Which of the following algorithms is a data encryption algorithm?
- A . MD5
- B . SHA1
- C . DES
- D . SHA-256