Question
Key function of a firewall
isSolution
Firewalls are systems which protect networks or network devices, such as industrial PCs, control systems, cameras, etc., from unauthorized access by preventing network traffic to or from these systems. The fundamental technical function of any firewall is to filter packets.
A 150-metre train takes 6 seconds to cross a pole. If the same train takes 12 seconds to cross train 'C' that is travelling in opposite direction at 20 ...
A train moving at a speed of ‘x’ meters per second takes 12 seconds to cross a pole and 17 seconds to pass through a tunnel that is 160 meters long....
A 150-m train crosses a platform in 24 seconds at 45 km/h. Find length of platform.
Two trains of same length are running in parallel tracks in the same direction with speed 40 km/hr and 100 km/hr respectively. The latter completely cro...
A train Lucknow Express leaves station A at 4 am and reaches station B at 7 am. Another train Kanpur Express leaves station B at 6 am and reaches statio...
A train running with 90km/hr takes 25sec to cross a platform 250 m long. How much it take to cross a stationary train having length of 75m ?
What will be the length of train 1?
Statement I: If train 1 covers a standing man in 12 sec.
Statement II: if a train 1 covers a platfo...
Without stopping the speed of the train is 135 kmph, with stopping the speed of the train is 90 kmph.Find the stop time of the train?
Train 'A' having a speed of 10 m/s can cross a man in 15 seconds. The length of train 'B' is 150 metres more than the length of 'A'. If the speed of 'B'...
Ratio of the lengths of two trains ‘X’ and ‘Y’ is 3:4 respectively and the ratio of time taken by them to cross a pole is 1:2 respectively. If s...