【简答题】The projects __________ by the end of 2002 will expand the city's telephone network to cover 1,000,000 users. A) being accomplished B) to be accomplished C) accomplished D) having been accomplished
【简答题】The use of network( ),systems that effectively isolate an organization&39;s internal network structure from an( )network, such as the INTERNET is becoming increasingly popular. These firewall systems ...