Answer:
the system development life cycle (SDLC) is the overall process of developing, implementing, and retiring information systems through a multistep process—initiation, analysis, design, implementation, and <u>maintenance to disposal.</u>
Explanation:
There are several SDLC models and each generally consists of a numbers of definite stages. For a given adopted SDLC model, information security and product services must be integrated in to the SDLC to ensure appropriate protection for the information that the system will transmit, process, and store.
Answer:
The answer is "except IOError:"
Explanation:
It is part of the exception handling, that stands for input/ output operation fails, this exception aeries when we attempting to access an anti-existent file, in the program so, it will give the program related errors.
- This type of error is handled in the try block, it also allows you to prepare the deal with the exceptional block.
- It also helps you to hide the bugs by using code, if you handle an unexpected error.
Answer:
Quality Of Service
Explanation:
Technology that manages data traffic to reduce packet loss, latency and jitter on the network. QoS controls and manages network resources by setting priorities for specific types of data on the network.
Answer:
I am writing the function using Python. Let me know if you want the program in some other programming language.
def iterPower(base, exp):
baseexp = 1
while exp > 0:
baseexp = baseexp*base
exp= exp - 1
return baseexp
base = 3
exp = 2
print(iterPower(base, exp))
Explanation:
- The function name is iterPower which takes two parameters base and exp. base variable here is the number which is being multiplied and this number is multiplied exponential times which is specified in exp variable.
- baseexp is a variable that stores the result and then returns the result of successive multiplication.
- while loop body keeps executing until the value of exp is greater than 0. So it will keep doing successive multiplication of the base, exp times until value of exp becomes 0.
- The baseexp keeps storing the multiplication of the base and exp keeps decrements by 1 at each iteration until it becomes 0 which will break the loop and the result of successive multiplication stored in baseexp will be displayed in the output.
- Here we gave the value of 3 to base and 2 to exp and then print(iterPower(base, exp)) statement calls the iterPower function which calculates the exponential of these given values.
- Lets see how each iteration works:
baseexp = 1
exp>0 True because exp=2 which is greater than 0
baseexp = baseexp*base
= 1*3 = 3
So baseexp = 3
exp = exp - 1
= 2 - 1 = 1
exp = 1
baseexp = 3
exp>0 True because exp=1 which is greater than 0
baseexp = baseexp*base
= 3*3 = 9
So baseexp = 9
exp = exp - 1
= 1-1 = 0
exp = 0
- Here the loop will break now when it reaches third iteration because value of exp is 0 and the loop condition evaluates to false now.
- return baseexp statement will return the value stored in baseexp which is 9
- So the output of the above program is 9.
Answer:
Sara: Personal data
Jorge : Personal data + official data.
Wanda: Personal data + students data
Carl: Personal data + official data
Explanation:
Personal data could contain pictures, social security numbers, banking transactions details, passwords, credit card information etc.
Jorge's official data could contain information about various sources that he gets his news from. It could contain password information about his official email. And he connects to the office network, he might pose a threat to the entire network if his PC is infected.
Wanda could leak the student's information. She could also leak her social security numbers, bank details, organization's details etc.
Carl could leak company's information. He can avoid it by staying away from public networks. Installing anti-virus. He should also take great care while accessing various sites and never download harmful files over the internet.
