At which stage of the Cisco Lifecycle Services approach would you test for system acceptance？（） Preparation。 Planning。 Design。 Implementation。 Operation。 Optimizatio。
个别辅导
Which two statements describe the functions and operations of IDS and IPS systems？（） A network administrator entering a wrong password would generate a true-negative alarm.。 A false positive alarm is generated when an IDS/IPS signature is correctly identified.。 An IDS is significantly more advanced over IPS because of its ability to prevent network attacks.。 Cisco IDS works inline and stops attacks before they enter the network.。 Cisco IPS taps the network traffic and responds after an attack.。 Profile-based intrusion detection is also known as "anomaly detection".。
林则徐曾上奏皇帝，认为：英国以船坚炮利而称强，至口内则运掉不灵，一遇水浅沙胶，万难转动，若至岸上，更无能为，其强可以制，其富不足夸。这折射出（）。 先进中国人对战争形势的清醒认识。 英国政府尚未做好发动战争的准备。 国人对世界的认识要有渐进的过程。 中国人民不畏强敌敢于斗争的精神。
在我国，当企业发生亏损时，为维护企业形象，可以用盈余公积发放不超过面值（）的现金股利，发放后法定公积金不得低于注册资本的（）。
The OSPF RFC 3623 Graceful Restart feature allows you to configure IETF NSF in ultivendor networks. When using OSPF Graceful Restart， which mechanism is used tocontinue forwarding packets during a switchover？（）
