下列哪些单板支持支路再定时功能？（） SS11PL1。 SS44SP1。 SS61PQ1。 SS62PQ1。
What is the protocol of following described： there are 4 priority queues：high，medium，normal.low the high and medium queue have precedence over the default queue the classifcation is configuration via the command ‘priority-list’ the default queue is the normal queue.
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Refer to the exhibit. When running EIGRP, What is required for RouterA to exchange routing updates with RouterC?（） As numbers must be changed to match on all the routers.。 Loopback interface must be configured so a DR is elected.。 The no auto-summary command is needed on Router A and Router C.。 Router B needs to have two network statements, one for each connected network.。
为了防止路基边坡发生滑塌，可采用的防护措施是（）
