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H3C GB0-392 Exam Syllabus Topics:

H3CSE-RS-NSO Sample Questions:

1. 在路由器某接口配置了如下命令:
Qos car inbound an cir 1000 cbs 62500 ebs 0 green remark-dscp-pass ef red remark-dscp-continue af13
则当该端口接收报文时,以下说法正确的是

A) 当接收报文速率小于 1000kbps 时,报文 DSCP 值标记为 EF 之后,转下一条 CAR 策略处理转发
B) 当接收报文速率小于 1000kbps 时,报文 DSCP 值标记为 EF 之后转发
C) 当接收报文速率大于 1000kbps 时,可以突发 62500 字节,超过 1000kbps 的报文 DSCP 值标记为 AF13 ,直转下一条 CAR 策略处理
D) 当接收报文速率小于 1000kbps 时,可以突发 62500 字节,超过 1000kbps 的报文 DSCP 值标记为 af13 直接转发
E) 当接收报文速率小于 1000kbps 时,报文不做任何处理,正常转发

2. 下列 PPPoE 的报文中,哪些是以广播形式发送的 ?

A) PADR （ PPPoE Active Discover Request )
B) PADI （ PPPoE Active Discover Initiation )
C) PADO （ PPPoE Active Discover Offer )
D) PADT （ PPPoE Active Discover Terminate )
E) PADS （ PPPoE Active Discover Session-Confirmation )

3. 相较于非对称加密算法,对称加密算法加密速度快,效率高。

A) 错误
B) 正确

4. 以下属于接入层功能的是。（选择一项或多项)

A) 接入安全控制
B) 拥有大量的接口,用于与最终用户计算机相连
C) 高速的包交换
D) 复杂的路由策略

5. 在以太网接入应用中,关于运行商接入网边缘的接入点 AN 和汇聚设备 AGG 部署说法正确的有。

A) AN 采用三层交换机时,相对于二层交换机更加有助于控制广播域的范围
B) AN 采用二层交换机时,相对于三层交换机可队实现更高密度的终端用户接入
C) AN 采用二层交换机时,在 AN 和 AGG 上需要支持和部署复杂的二层隔离和安全特性
D) AN 采用三层交换机时,一台 AGG 设备最多可接用户终端数将不再受限于其自身 MAC 地址表项数

Solutions: