Share some HCIE-R&S H12-261-ENU exam questions and answers below.
In the whole HW IP multicast network running SSM
Which of the following understanding of SSM is true? (Multiple choice)
A. don't need the RP
B. SSM only use the shared tree
C. SSM only use STP tree
D. best suitable for 1 to many application
E. SSM is recommended to use when having multiple sources and expect to minimize mroute state in the network
F. the most suitable for the application of many-to-many
Answer: ACD
RIPng released prefix FC00:200::, the prefix length of 32 bits aggregated routing information, which of the following configuration is correct ?
A. [Huawei] interface gigabitethernet 1/0/0
[Huawei-GigabitEthernet1/0/0] ripng summary-address fc00:200::32
B. [Huawei] ripng 100
[Huawei-ripng-100] ripng summary-address fc00:200::32
C. [Huawei] interface gigabitethernet 1/0/0
[Huawei-GigabitEthernet1/0/0] ripng summary-address fc00:200::/32 output
D. [Huawei] ripng 100
[Huawei-ripng-100] ripng summary-address fc00:200::/32 interlace GigabitEthernetl/0/0
Answer: A
You want to make sure that key business in the network HW get high priority.
which field does IP Precedence of data packets based on to set?
A. All the 8 bit of ToS field
B. the first 4, 5 and 6 bit in ToS field
C. three least significant bits in ToS field
D. three most significant bits in ToS field
Answer: D
Judgement: NAC is an end-to-end security solutions. From user terminal rather than equipment to protect the network security.
A. True
B. False
Answer: A
Which of the following configurations are true OSPFv3 routing aggregation configuration ? ( Multiple choice)
A. [Huawei] ospfv3 1
[Huawei-ospfv3-1] abr-summary fc00:0:0:: 48 cost 400
B. [Huawei] ospfv31
[Huawei-ospfv3-1] asbr-summary fc00:0:0:: 48 cost 20 tag 100
C. [Huawei] ospfv3 1
[Huawei-ospfv3-1] area 1
[Huawei-ospfv3-1-area-0.0.0.1] asbr-summary fc00:0:0:: 48 cost 20 tag 100
D. [Huawei] ospfv3 1
[Huawei-ospfv3-1] area 1
[Huawei-ospfv3-1-area-0.0.0.1] abr-summary fc00:0:0:: 48 cost 400
E. [Huawei] interface gigabitethernet 1/0/0
[Huawei-GigabitEthernetl/0/0] asbr-summary fc00:0:0:: 48 cost 20
F. [Huawei] interface gigabitethernet 1/0/0
[Huawei-GigabitEthernetl/0/0] abr-summary fc00:0:0:: 48 cost 400
Answer: BD
Which of the following can be used for BGP routing? (Multiple choice)
A. ACL
B. IP-prefix
C. AS-path-filter
D. DSCP
Answer: ABC
auto-negotiation mode is to obtain maximum interface rate and the operating mode, the network administrator will set all Ethernet interface rate of a workgroup switch to 100Mbps, operating mode configured to full-duplex. When a NIC is configured to auto-negotiation of the workstation is connected to the switch, the outcome of consultations is that the interface rate is 100Mbps, the operating mode is half-duplex.
For this phenomenon, which of the following explanation is the most reasonable?
A. At higher port speed and operating mode, the workstation's network interface card can¡¯t be configured to auto-negotiation
B. port rate negotiation consultations through the initial port to send FLP to negotiate, work mode does not negotiated by FLP
C. when STP in initialization will make the port enter the blocking state, leading to auto-negotiation fails, so the port should be configured to portfast
D. does not configure auto-negotiation on the switch, leading to the swtich can't send the FLP information to the workstation, thereby causing the work station set its own oerating mode to haIf-duplex
E.problem lies in the workstation's network card, most due to the workstation NIC drivers too old, leading to the interface on the workstation NIC learning rate and the operating mode switch configuration
Answer: D
As shown, in the configuration of router R3 set ISIS overload bit , which of the following statement is True? (Multiple choice)

A. R3 starts overload state, R1 and R2 will not calculate the R3 generated LSP in SPF tree.
B. R3 LSP will not be able to spread to R1 and R2.
C. R3 direct route because of the overload bit set will be ignored by R1 and R2.
D. R3 imported routes through import-route will not be able to publish.
E. when router memory is insufficient, the system will automatically set the overload flag bit in sent LSP packets, it is irrelevant to whether the user configure the set-overload command.
Answer: DE
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