Hello im a beginner in using cisco so my task is admin can ping admin but student cant ping admin.student1(198.140.70.4 255.255.255.248) and student 2 (198.140.70.11 255.255.255.248)admin1(198.140.70.3 255.255.255.248 ) and admin2(198.140.70.10 255.2...