The default value at which a refresh interval (an interval a sec. server check for zone updates) is 15 minutes.
If this value is increased, the network traffic is reduced. In the eventuality that the refresh interval expires, the secondary zone will contact the primary zone and request it to initiate the zone transfer.
Answer:
Explanation:
The following python code loops through each line within a file called text.txt and counts all the words, then it divides this count by the number of sentences in the text file. Finally, output the average number of words per sentence.
f = open("text.txt", "r")
all_words = 0
sentences = 0
for x in f:
list = x.split(' ')
all_words += len(list)
sentences += 1
average = all_words / sentences
print("There are an average of " + str(average.__round__()) + " words in each sentence.")
I believe the correct answer is C. A pointing device.
Communication: Communication is one way to be connected to
the network and use the internet. It helps maintains communication with other
network users. A few examples include email, IM services, video conferencing,
Skype and many more.
File sharing: Easily sharing files and data. From businesses
to schools to friends, everyone sends files to through internet and this has
become an essential part of life. Various services like Gmail and yahoo mail
are used.
Social networking: This is an essential medium to
communicate with friends and family members. Examples include Facebook,
Twitter, and Instagram.
