Huawei H12-893_V1.0 問題集

質問 1：
Which of the following statements are true about IP address planning for a DC? (Select All that Apply)
A. Service addresses refer to the IP addresses of servers, hosts, and gateways.
B. IP address allocation should be simple and easy to manage, reflect network layers, and simplify network management and network expansion.
C. IP addresses must be contiguous. The routes with contiguous IP addresses can be summarized easily on a hierarchical network.
D. IP addresses with a 24-bit mask are recommended for use as interconnection IP addresses.
正解：A,B
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Both M-LAG and stacking technologies can overcome the disadvantages of traditional DCNs.
However, M-LAG is a better choice to ensure 24/7 service continuity.
A. FALSE
B. TRUE
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 3：
In the spine-leaf DCN architecture, the border leaf node and service leaf node can be deployed on the same device.
A. FALSE
B. TRUE
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 4：
Assume that a VXLAN tunnel is monitored on a Huawei CE series switch and that the tunnel status is Down or the tunnel fails to be dynamically established. In this scenario, which of the following statements are true about how to check the cause of the fault? (Select All that Apply)
A. Run the display vxlan statistics command to check the cause of the fault.
B. Run the display vxlan troubleshooting command to check at most the latest five reasons why a VXLAN tunnel goes Down.
C. Run the display vxlan peer command to check the cause of the fault on the peer device of the tunnel.
D. Run the display vxlan troubleshooting command to check the causes of at most the latest five failures to dynamically establish a VXLAN tunnel.
正解：A,B,C,D
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Which of the following are advantages of iMaster NCE-FabricInsight's telemetry-based performance metric collection? (Select All that Apply)
A. Intelligent data analysis and automated troubleshooting
B. Quasi-real-time data collection
C. One-off subscription and continuous data push
D. Efficient transmission
正解：B,C,D
解説: (Topexam メンバーにのみ表示されます)

質問 6：
Which of the following statements is false about the routing design for the underlay network during DCN deployment?
A. When OSPF is used on the underlay network, only single-area OSPF can be deployed.
B. OSPF is recommended for small and midsize DCNs, and EBGP is recommended for large and midsize networks.
C. When EBGP is used on the underlay network, each group of active-active leaf nodes is deployed in an AS.
D. Compared with OSPF, EBGP involves fewer calculations and offers better scalability.
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 7：
An enterprise builds a DC and deploys iMaster NCE-Fabric to automatically deliver network configurations. After the engineer manually deploys the underlay network and delivers overlay network configurations through iMaster NCE-Fabric, it is found that tenant hosts cannot access external networks. Which of the following is not a possible cause of this fault?
A. No return route is configured on the PE.
B. No firewall security policy is configured when host traffic passes through the firewall.
C. The engineer did not check whether the service loopback interface needs to be configured on the VXLAN network based on the switch model.
D. The MAC address of the NVE interface on the VXLAN network is not manually specified.
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 8：
How many rollback levels does Huawei's iMaster NCE-Fabric support?
A. 2
B. 3
C. 4
D. 1
正解：C
解説: (Topexam メンバーにのみ表示されます)