西方体育文化圈是源于（）的西欧文化。 古希腊。 罗马。 巴比伦。 大不列颠。
未经批准抽调驻勤人员，管理人员（）。 红线。 通报批评。 失格。 降档。
What is a requirement to enable Cisco IOS IPS with 5.x signature？（） disable Zone-Based Firewall as the two features are not compatible。 disable Cisco Express Forwarding as the two features are not compatible。 generate a certificate and export on Cisco.com to receive a signature update。 import the public RSA key from the Cisco IPS team that allows the router to verify that a signatureupdate （which was signed by this key） comes from Cisco。
当许多国人为美丽城市夜景感到骄傲的时候，并没有考虑到：这些所谓的“不夜城”恰恰是中国光污染的重灾区。下列现象中会造成光污染的是（）。 汽车车窗玻璃上贴太阳膜。 城市建筑大面积安装玻璃幕墙。 利用太阳能制氢燃料。 用家用汽车代替公交车。
（）在农产品物流领域主要用于农产品运输车辆的跟踪与三维导航。 GSM。 RS。 GIS。 GPS。
You are deploying two core switches， one in each building， 50 km away from each other. The cross-connection between them will be a Layer 2 2-gigabit EtherChannel with an 802.1Q trunk. You configured it correctly but the link does not come up. The port is in the "admin up" state， and the line protocol is in the "down" state. The fiber link is OK. What would be the most likely reason for the link not to come up？（）
