股票按股东权利和义务分为和（）。 国家股。 法人股。 普通股。 优先股。
纪伯伦的《先知》中的先知的智慧是哪一种年龄段的：（） 儿童。 青年。 老年。 中年。
Interface congestion is causing drops in voice packets and TCP packets. The drops result in jerky speech quality and slower FTP traffic flows. Which two technologies would proactively address the TCP transfer rate and the voice problems？（） CBWFQ。 LLQ。 traffic shaping。 WRED。
What is the default SPF throuttle timer in OSPF？（） 0ms。 10ms。 500ms。 1s。 5s。 30。
An administrator creates a vNIC and assigns it to Fabric A with the fabric failover feature enabled. Which statement is true？（） A· unique vEthernet interface will be created on Fabric A· and Fabric B·。 A· vEthernet interface will be created only on Fabric A·。 A· vEthernet interface will be created on Fabric A·， and move across to Fabric B· in the event of failure。 Fabric B· will learn the vEthernet interface from Fabric A· through a GARP E· The same vEthernet interface will be created on Fabric A· and Fabric B·。
In a switched environment, what does the IEEE 802.1Q standard describe?（）
