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  #cybersecurity #coursera #quiz #solution #network   Coursera quiz solution 1 . Question 1 The binary (base 2) number "0101" is how much in decimal (base 10)? 1 / 1  point 9 1 5 3 Correct Correct, 5 2 . Question 2 The IP address range goes from 0.0.0.0 to 255.255.255.255 and is known as the "four octets". Why are these 4 numbers called octets? 1 / 1  point The inventor noted the similarity to the "octives" in piano music. They form a total of 8 subranges. The number 255 in decimal takes up 8 digits in binary. This was the eighth version of the IP address range to be adopted by the Internet Standards Committee (and the first to gain widespread acceptance.) Correct Correct, it takes up 8 digits in binary. 3 . Question 3 How many octets are used to define the network portion of the IP address in a Class C network? 1 / 1  point 0 1 2 3 Correct Correct, 3 octets. 4 . Question 4 True or False: A routable protocol is a protocol whose packets may leave your netwo