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Evgen [1.6K]
2 years ago
12

Why does the PC send out a broadcast ARP prior to sending the first ping request

Computers and Technology
1 answer:
Norma-Jean [14]2 years ago
5 0

Since the ARP broadcast is utilized to request the MAC address of the Host with the IP address contained in the ARP, the PC needs to know the destination of MAC address before it can produce the frame header for the particular PING requested, before it can send a PING to a host.

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Thomas Edison and his assistant W. K. L. Dickson patented which device in 1891
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They patented the kinetoscope
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2 years ago
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Discuss the potential problems using biometrics can present to society, and in particular, what effect the loss of biometric rec
tamaranim1 [39]

Answer:

Biometrics in this sense refers to any human information that can be used as unique identifiers such as fingerprints, iris scan, facial scan, voice patterns and typing cadence.

The advantage of biometrics is that they can not be duplicated. That is, two people can never share the same biometric information except if they are clones of each other.  

Given that this kind of unique identifiers can be also be stored as data, it thus creates a cyber risk. If stolen, it may be used to access any part of the user's life. The loss of biometric data to hackers is so detrimental that it can be used to falsify legal documents, identifications documents, or other forms of and even credit card details.

Cheers!

7 0
3 years ago
What is most likely kept in as database
belka [17]
Sales reports,employee records,logged passwords   somebody has already asked this question
4 0
2 years ago
Write a function called PayLevel that returns a level given an Ssn as input. The level are: "Above Average" if the employee mak
kotykmax [81]

Answer:

Explanation:

Since no further information was provided I created the PayLevel function as requested. It takes the Ssn as input and checks it with a premade dictionary of Ssn numbers with their according salaries. Then it checks that salary against the average of all the salaries and prints out whether it is Above, Below, or Average. The output can be seen in the attached picture below.

employeeDict = {162564298: 40000, 131485785: 120000, 161524444: 65000, 333221845: 48000}

average = 68250

def PayLevel(Ssn):

   pay = employeeDict[Ssn]

   print("Employee " + str(Ssn) + " is:", end=" "),

   if pay > average:

       print("Above Average")

   elif pay < average:

       print("Below Average")

   else:

       print("Average")

PayLevel(161524444)

PayLevel(131485785)

7 0
2 years ago
The GPS device in an automobile uses which communication channel?
Feliz [49]
The GPS device in an automobile uses the satellite communication channel. GPS stands for Global Positioning System. It is based on the satellite navigation system that consists of a number of satellites. This is being used to loacate places and determine exact location, time and speed.
4 0
2 years ago
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