CCNP系列認證CCNP(642-845)單項選擇題每日一練(2019.01.13)

Refer to the wxhibit . what QOS model should be used to reserve the requested bandwidth and delay needed for each allowed VOIP call regardless of changing networkconditions？（）

After logging into the WCS wireless management server，the administrator is presented with the initial home page showing the network summary.there are four main menu choices across the top horizontal secreen.what is the purpose of the location menu choice？（）

Refer to the exhibit. The network has been configured with H.323 gateways and gatekeepers as shown. Which statement is true when a call is placed？（）