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H3CSE-RS-SW Sample Questions:

1. 关于 lsolate-user-vlan 技术和 Super VLAN 技术的描述,下面正确的是

A) SuperVLAN 是一个三层 VLAN 技术,所以支持 Super VLAN 技术的交换机都是三层交换机
B) SuperVLAN 技术也称为 VLAN 聚合 : 主要目的是为解决 IP 地址浪费或 VLAN 接口数量不够
C) lsolate-user-vlan 是一个二层 VLAN 技术,所以支持 isolate-user-vlan 技术的交换机都是二层交换机

2. 在 SDN 网络中,传统网络的安全部署方式存在以下哪些问题 ? （选择一项或多项)

A) 数据包需要经过多次分类,效率低下
B) 安全设备的能力无法在多业务之间共享
C) 网络设备之间耦合度大,拓扑依赖严重
D) 在 Overlay 组网下,网络设备需要透过 Overlay 封装检测内层报文

3. 关于 TC 保护,以下说法正确的有

A) TC 保护功能使能后,设备在收到 TC-BPDU 报文后的 10 秒内,允许收到 TC-BPDU 报文后立即进行地址表项删除操作的次数可以由用户控制
B) TC 保护在系统视图配置
C) 交换机在接收到 TC-BPDU 报文后,会执行 MAC 地址表项的删除操作
D) 系统会监控在该时间段内收到的 TC-BPDU 报文数是否大于阈值,如果大于阈值,则设备在该时间超时后再进行一次地址表项删除操作这样就可以避免频繁地删除转发地址表项

4. 如题图组网, SWA 、 SWB 和 SWC 启用 STP ,如果拓扑收敛后,将 SWA 的桥优先级设置为 61440 ,则下列说法正确的有

A) SWC 收到低优先级的配置 BPDU 后会立即回应以自身为根的配置 BPDU
B) 默认 30 秒后拓扑会重新实现收敛
C) 优先级调整后,开始 SWA 仍然会发送以自己为根的配置 BPDU
D) SWB 在本地保存的配置 BPDU 老化后会向 SWA 发送以自身为根的配置 BPDU

5. 狭义的 SDN 包括哪些内容 ? （选择 - 项或多项)

A) 强控与弱控
B) RestFul API 等北向接口
C) OpenFlow 与 Netconf 等南向接口
D) VXLAN

Solutions: