Abstract: In the conditions of terrorist activity increase, its geography expansion and organization enhancement there is an objective need for the increase of effectiveness of preventive measures. As it is stated in the Anti-terrorist strategy of the Russian Federation, the realization of legislative measures is of primary importance in terrorism prevention. Taking into account the possibility of a flexible and quick realization of administrative law provisions and the preventive character of these provisions, administrative-legal measures should be assigned one of the leading parts among the complex of preventive measures. The article reveals the system of the most effective administrative-legal measures of terrorism prevention which can be used by law-enforcement agencies and special services. The proposed system of administrative-legal measures is based on the analysis of content and practice of use of the conceptual documents and legal provisions regulating the issues of terrorism prevention and administrative-legal mechanisms implementation. The author creates an easy-to-use model of the system of the most effective administrative-legal measures of terrorism prevention. Taking into consideration the obvious need for expansion of use of administrative-legal measures of terrorism prevention, the systematization of these legal measures takes of special significance and can promote the effective activities of special services and law enforcement agencies in this sphere. 

Abstract: The article is devoted to the specific features of the legal regime for the stay of foreigners in the Russian Federation in the conditions of the Winter Olympic Games in 2014 in the city of Sochi.  The author analyzes norms, regarding the procedure for entering the Russian Federation, stay in the territory of the Russian Federation, and leaving the Russian Federation, as well as the norms regulating labor, volunteer, and temporary personnel activities, and the measures for migration reporting on foreigners. It is noted that in accordance to their status most of the foreign citizens, who are coming to Russia in order to organize and hold the Olympic Games of 2014, including the representatives of the IOC, international and national sports federations, are within the scope of legal regulation of status of foreigners, and they have no special privileges and immunities. The norms regarding easing the legal procedures for the participants of the Olympic Games are part of the system of measures for the simplification of the legal formalities for the foreign guests at this time.