Huawei H12-891_V1.0-ENU 問題集

質問 1：
What is the relationship between CIR, BC, and TC?
A. CIR=BE/TC
B. CIR=TC/BC
C. TC=BC/CIR
D. TC=CIR/BC
正解：C

質問 2：
The flood range in OSPFv3 is the LSA within the entire autonomous system?
A. Inter-Area-Prefix-LSA
B. AS-external-LSA
C. Intra-Area-prefix-LSA
D. Link-LSA
正解：B

質問 3：
Assuming that the shaping rate of a port is 10OMbps, the input loans and RIP of P configurations of each service of the interface are as follows: Then after the first round of scheduling, EF How many loans are allocated by the queue? (Single choice questions).

A. 30M
B. 15M
C. 25M
D. 90M
正解：C

質問 4：
Host HW1 in the HW device network Wants to join a video conference, so what does that host do?
A. The IGMPV2 membership report is sent over multicast in the local network, and the destination multicast address of the IGMPv2 membership report is "All PIM Routers" 224002 Multicast address
B. Sends a unicast IGMPv2 membership report to the RP
C. Sends an IGMPv2 membership report to the default router unicast of the local network
D. The IGMPv2 membership report is sent over multicast in the local network, and the multicast address carried in the IGMPv2 membership report is the multicast address that you want to join
正解：D

質問 5：
Router A has an IP route entry with a purposeful CIDR block of 10001/32 and an outgoing interface of GigabitEthernetO/0/1. Now add the following configuration: acd number 2000 rule 10 permit source1001.10#traffic classifier test if-match acl 2000 # traffic behavior test remarkdscp cs3#traffic policy test classifier test behavior test# interfaceGigabitftherneto/0/1 ip address 1001212552552550 traffic-policy test outbound#assuming router A received a destination IP of 10001 Of packets, the following statements are correct:
A. If the packet source IP address is 1001.2, it cannot be forwarded
B. If the packet source IP address is 1001.2, it can be forwarded while the DSCP field remains unchanged
C. If the data packet source lIP address is 1001.2, it can be forwarded with the DSCP field marked CS3
D. If the packet source IP address is 1001.1, it can be forwarded while the DSCP field is marked as CS3
正解：B,D

質問 6：
Which of the following statements about RADIUS is correct? (Single choice questions).
A. RADIUS supports both wired and wireless access modes.
B. SEPARATION OF RADIUS PROTOCOL AUTHENTICATION, AUTHORIZATION, AND AUDIT.
C. MAC authentication does not require a username password, so you cannot use RADIUS to authenticate the user.
D. RADIUS authentication and Portal authentication cannot be used together because the Portal server can typically be used to authenticate users when portal authentication is deployed.
正解：A

質問 7：
For Layer 2 VPN technology, the following statement is correct? (Multiple choice questions).
A. The VPLS configuration is complex and the Layer 2 network transmits BUM packets.
B. VPLS is a widely used technology in the live network, which can provide transparent transmission of three-layer messages and achieve multi-point access.
C. BGP EVPN supports features such as tenant isolation, Multi-homing, and broadcast suppression.
D. BGP EVPN addresses issues such as MAC address drift and multi-tenancy that VPLS cannot support.
正解：A,C

質問 8：
CORRECT TEXT
Regarding how the device handles messages in the MPLS network model, what is the following description of the error?
A. The label forwarding path LSP is determined and established by various protocols during the forwarding of messages. There is certainly no stripping of the label on the
B. LER and LSR are labeled.
C. For IP packets entering the MPLS domain, the device discards them.
D. LSR. Both
正解：A