下列说法正确的是（）。 ["法律、行政法规、地方性法规、自治条例和单行条例、规章不溯及既往，但为了更好地保护公民、法人和其他组织的权利和利益而作的特别规定除外","法律、行政法规、地方性法规、自治条例和单行条例、规章一律不溯及既往","法律、行政法规、地方性法规溯及既往，自治条例和单行条例、规章不溯及既往","法律、行政法规、地方性法规不溯及既往，自治条例和单行条例、规章溯及既往"]
Which site-to-site VPN solution allows Cisco routers， PIX Firewalls， and Cisco hardware clients toact as remote VPN clients in order to receive predefined security policies and configuration parameters from the VPN headend at the central site？（） [" Easy VPN"," GRE tunneling"," Virtual Tunnel Interfaces"," Dynamic Multipoint VPN"," Group Encrypted Transport VPN"]
屯田
What is a criteria of the enterprise composite network model?（） [" includes all modules needed to meet any network design"," defines flexible boundaries between modules for scalability requirements"," clearly defines module boundaries and demarcation points to identify where traffic is"," requires specific core, distribution, and access layer requirements to match the model"]
实现（），是我国社会主义经济建设、政治建设、文化建设、社会建设和生态文明建设的奋斗目标，是国家意志的价值呈现，是凝心聚力的宏伟目标和价值理想。 ["自由、平等、公正、法治","富强、民主、文明、和谐","爱国、创新、包容、厚德","爱国、敬业、诚信、友善"]
命题。
