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2 years ago

What are threats to computer system

1 answer:

3 0

Theft or vandalism through to natural disasters are physical threats. Non-physical threats target the software and data on the computer systems, Like hackers or just straight up viruses. Also, untrustworthy apps or games can give your computer viruses as well.

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Days of the week are represented as three-letter strings ("Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"). Write a javaScript f

dmitriy555 [2]

Answer:

function getDay(s, k){

var weekDays = ["Mon","Tue","Wed","Thu","Fri","Sat","Sun"];

var index=weekDays.findIndex(function(weekDay){return weekDay==s;});

return weekDays[(index+k)%7];

}

Explanation:

//this functions receive the next parameters:

//s which is the day of the week

//k the number of days after s week day

function getDay(s, k){

var weekDays = ["Mon","Tue","Wed","Thu","Fri","Sat","Sun"];

//variable index is the index in list weekDays of s

var index=weekDays.findIndex(function(weekDay){return weekDay==s;});

//use module operator % to get the remainder of the division (index+k)/7

//return the string value of the day

return weekDays[(index+k)%7];

}

3 0

2 years ago

Which of the following statements about crane hand signal training are true? A. Both statements are true about crane hand signal

Alenkinab [10]

The correct option is A.
When using crane at a construction site, it is required that:
1.A poster should be posted at the job site with an illustration of the hand signals that every operator and personnel working with the crane and around the crane must know.
2. Hand signals for crane and derrick operators should be those set by the American National Standard institute customize for the type of crane in use.

5 0

2 years ago

As a security engineer, compare and contrast the pros and cons of deploying hetero vs homogenous networks. Which costs more? Whi

Mama L [17]

Answer:

See below

Explanation:

In case of a homogeneous network, Skype is an example and OpenTable is an example of a heterogeneous network.

Homogeneous networks are easier to get started with since its all pre-integrated, and even the troubleshooting is more convenient if a problem arises. However, it then becomes a security concern if you choose to place all that power to a single vendor - known as ' monoculture'. One event can affect the entire network. On the other hand, a heterogeneous set up does not run this risk. Several different components are utilized which are not as vulnerable to security threats.

In conclusion, homogeneous networks cost more and heterogeneous networks are more secure.

8 0

2 years ago

The function below takes two arguments, a dictionary called dog_dictionary and a list of dog names (strings) adopted_dog_names.

laiz [17]

Answer:

The solution code is written in Python.

def removeAdoptedDog(dog_dictionary, adopted_dog_names):
for x in adopted_dog_names:
del dog_dictionary[x]
return dog_dictionary
dog_dictionary = {
"Charlie": "Male",
"Max" : "Male",
"Bella" : "Female",
"Ruby": "Female",
"Toby": "Male",
"Coco": "Female",
"Teddy": "Male"
}
print(dog_dictionary)
adopted_dog_names = {"Ruby", "Teddy"}
print(removeAdoptedDog(dog_dictionary, adopted_dog_names))

Explanation:

Firstly, let's create a function removeAdoptedDog() takes two arguments, dog_dictionary & adopted_dog_names (Line 1)

Within the function, we can use a for-loop to traverse through the adopted_dog_names list and use the individual dog name as the key to remove the adopted dog from dog_dictionary (Line 3). To remove a key from a dictionary, we can use the keyword del.

Next return the updated dog_dictionary (Line 5).

Let's test our function by simply putting some sample records on the dog_dictionary (Line 7 -15) and two dog names to the adopted_dog_names list (Line 19).

Call the function removeAdoptedDog() by passing the dog_dictionary and adopted_dog_names as arguments. The display result will show the key represented by the adopted_dog_names have been removed from the dog_dictionary (Line 21).

4 0

2 years ago

Richard uses Microsoft outlook as his email client. He wants to check whether he has received any new mail. Identify which key R

Kazeer [188]

Refresh...... I mean, that is what I hit

4 0

2 years ago