更多中兴IPRAN初级试题
- 1在OSPF中,以下()是两台路由器成为邻居关系的必要条件
- 2T3网管上报ZXCTN设备保护倒换事件告警时,由于保护组倒换仅出现一瞬间,而不是持续告警,因此告警出现后就转入到锁定告警里面。When T3 EMS reports protection switching event alarm of ZXCTN equipment, because protection group switching only happens instantaneously and the alarm does not last, alarm event state turns into lock alarm state.
- 3DAI是一种验证网络中ARP包的安全特性,可以阻止、记录并丢弃非法IP和MAC地址绑定的ARP包
- 4OSPF协议中的Hello报文的作用是()
- 5为了避免单节点失效,ZXCTN产品常常配置伪线双归保护。To avoid single node failure, ZXCTN products are usually configured with PW dual-homing protection.
- 6DWDM系统的监控光波长一般为1550nm