Huawei H12-261 問題集

質問 1：
As shown in the figure, the following method is correct.

A. If the interface R2 Ethernet0/0/1 is down, the next hop of the route that arrives at R1 10.0.2.2 10.0.12.2 is changed to
B. OSPF FULL, BFD UP status changes to trigger the session
C. If the R2 Ethernet0/0/1 is down, R1 BFD, and R1 OSPF down, the fault can be quickly detected and notified.
D. If R2 BFD is turned off, R1 BFD is down, ospf down is closed, and the message will be changed to guide neighbor relationship.
E. If the interface R2 Ethernet0/0/0 is down, the next hop of the route arrived by R1 10.0.2.2 10.0.21.2 is changed to
正解：C,D

質問 2：
Assume that the traffic shaping rate is set to 100 Mbit/s on an interface and that the input bandwidth and PIR of each service are configured as shown in the table below.
What is the bandwidth allocated to the EF queue after the first round of scheduling?

A. 90 Mbit/s
B. 15 Mbit/s
C. 30 Mbit/s
D. 25 Mbit/s
正解：D

質問 3：
The following is about IPv6 Over VXLAN?
A. IPv6 over VXLAN Vxlan Overlay IPv6 refers to the network is the network
B. IPv6 over VXLAN IP can solve the problem of insufficient capital for the terminal address source.
C. VXLAN IPv4 The tunnel of the gateway is an inter-layer network.
D. IPv6 Over VXLAN does not generate entries.
正解：D

質問 4：
As shown in the following topology, EBGP runs between AS100, AS200, AS300, and per relationships have been established between them. When As400 receives a BGP route to the network segment 1.1.1.1/32 from AS100, which of the following is the correct value of the AS_path attribute?

A. 10,200,300
B. 100,200,300,400 $
C. 300,200,100
D. 400,300,200,100
正解：C

質問 5：
The router is enabled and the role of the router HW OSPF HW ABR, abr -surmnary, LSA ? is configured and then which classes are summarized
A. 1 LSA class
B. 2 LSA class
C. 4 LSA class
D. 3 LSA class
E. 5 LSA class
正解：A,B,D

質問 6：
IPv6 ISIS ring protocol deployment, the following method is correct
A. In the broadcast network, the first can be divided into IPv4 IPv6 DIS priority settings.
B. By default, the priority of the broadcast network interface is Level-1 Level-2 DIS 1 and
C. ISIS ISIS silent ISIS ISIS interface configuration, then this interface will not send packets, but will receive packets
D. In the same broadcast network, if each router is supported, IPv4 IPv6 IPv4 IPv6 DIS and , and must be the same device
正解：D

質問 7：
The topology and configuration are as shown in the figure below, R1 10.0.3.3/32, now I hope that the routing entries that do not exist in the routing table are fine. The following methods can be implemented.

A. Configure routing R3 above, 10.0.0.0/16 summary.
B. Configure the above R2 filter-policy, ACL 10.0.3.3/32, expot over match when used in the same direction
C. Configure the above R1 filter-policy, ACL 10.0.3.3/32, import over match, use the same direction
D. Configure route R2 above, 10.0.0.0/16 summary.
正解：A,C

質問 8：
Which of the following statements regarding URPF, IPSG, and DAI are false?
A. DAI binding entries cannot be manually configured.
B. URF can be used to defend against DDoS attacks from forged sources. checks IP packets to sources.
C. IPSG checks IP packet to defend against attacks using spoofed source IP addresses, and DAI checks ARP packets to filter out attacks sources.
D. IPSG checks the source IP addresses and source MAC addresses of IP packets, and DAI checks only the mapping between IP addresses and MAC addresses.
正解：D