更多中兴IPRAN初级试题
- 1为了保障设备的正常运行，主控板的温度要求低于
- 2E-TREE的访问规则是ROOT节点可以访问所有的LEAF节点，LEAF节点间可以相互访问也可以访问ROOT节点。Access rules of E-TREE are that ROOT node can access all LEAF nodes, and LEAF nodes can access each other and even ROOT node.
- 3千兆电口强制千兆模式目前业内没有标准，不同厂商处理不同，对接结果往往具有不确定性，故现场最好采用自协商，防止现场出现对接失败的情况。So far, there is no standard for forced GE mode of GE electrical interface. Different manufacturers have different rules, so interconnection results are changeable. To prevent interconnection failure, it is recommended to adopt auto-negotiation on site.
- 4联通IPRAN的3G承载业务在接入层主要使用开放式的伪线保护
- 5对于B设备，哪个接口不需要启动ISIS
- 6（G）653和（G）655光纤的色散系数相同
