22-23 Examen 2ESO A (2Q)

Which password is more secure?

• SantaMariaDeLaH1span1dad

• SantaMariaDeLaH1span1dad@

• SantaMariaDeLaHispanidad@

• SantaMariaDeLaHispanidad

Which of the following cmd commands would show us the MAC?

• ipconfig

• ipconfig /release

• ipconfig /all

• A & C are correct

What range of private IPs are reserved for international companies?

• [172.16.0.0 to 172.31.255.255]

• [10.0.0.0 to 10.255.255.255]

• [192.168.0.0 to 192.168.255.255]

• [212.16.0.0 to 212.255.255.255]

If we take into account that the distance to the fulcrum is d and the other distance to the fulcrum is 3 times more than the first one and that we have a load of a child of 50 kg, what is the force of the lever?

• 150

• 1500

• 15

• 51

We have a sprocket system that has a first mechanism that has 60 sprockets and a second one with 15 sprockets and that goes at a speed of 10, what speed will the first mechanism go?

• 2

• 2,5

• 40

• 20

We have a sprocket system that has a first mechanism that has 20 sprockets and goes at a speed of 10, and a second one with 50 sprockets, what speed will the first mechanism go?

• 200

• 20

• 4

• 2

If we are in Sicily and we have just purchased something from the market that we need to carry home . we will have to exert a force of 40, what is the load supported by the movable pulley?

• 40

• 80

• 60

• 120

We have two pulleys with 10 and 30 cm diameter respectively, what will be the speed of the second pulley if the first one it is 5?

• 1

• 1,67

• 30

• 5,42

Which of these examples of Levers is not a Class 3?

• Pen (when writing)

• Pole vault

• Pincers

• Spade

We have an equal distance to the fulcrum of a lever of 2 and we know that its load is 10, what is the force of the lever?

• 20

• 2

• 10

• 1