Answer:
D. all the above
Explanation:
because doctor uses stethoscope to listen patients heart, he also used hammer to check patients reflexes and also doctor has to listen to the patient.
```
#!/usr/local/bin/python3
foo = float( input( "Enter a number: " ) )
if( foo < 0.0 ):
print( "negative" )
elif( foo > 0.0 ):
print( "positive" )
else
print( "zero" )
exit( 0 )
```
Answer:
He should disable UPnP technology to disallow devices to dynamically add themselves to the network without configuration.
Explanation:
- UPnP stands for Universal Plug n Play.
- It is an easiest way that allows gadgets to find all other devices connecting to your network.
- This can also modify router settings to allow devices from outside the network to access the router.
- External IP address can also be obtained by the gadget and a new port forwarding map can be set
- So from all perspectives, UPnP is an open invitation for hackers to scan for the ports and hack into the device.
- UPnP is a vulnerability to the secure system
Answer:
c) 4.4
Explanation:
You can evaluate step by step the code. You know tha your input is 4.0
Step 1 Variables definitions:
double tax;
double total;
Step 2 Ask the user for the input:
System.out.print("Enter the cost of the item");
Step 3 read de input:
total = scan.nextDouble();
Step 4 evaluate the condition ( is the input greater or equal than 3.0 ? [True])
if ( total >= 3.0)
Step 5 get done the operations inside the condition and print it:
tax = 0.10;
System.out.println(total + (total * tax));
