Question

1. A _____ is a set of rules that enable communication by defining the format of...

1. A _____ is a set of rules that enable communication by defining the format of data and rules for exchange.
a) protocol
b) nomenclature
c) regulation
d) dialect
e) convention
f) none of the above
2. Popular sites like Google and Yahoo! have several computers assigned to their host names because:
a. they have operations in different countries.
b. they are registered under several generic top level domain names.
c. of the disparity in the number of users accessing their sites in different parts of the world.
d. hoarding all information in one server increases the risk of damage in case of natural disasters.
e. it ensures the load of requests to their sites do not overwhelm a single computer.
3. The domain name service (DNS) is a distributed database that allows users to communicate with other
computers by:
a. assigning IP addresses to different domain names.
b. mapping host names to domain names.
c. creating IP addresses that are unique to servers.
d. mapping host and domain names to IP addresses of computers.
e. assigning domain names to different IP addresses.

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Answer #1
1.  a)  protocol
2.  e)  it ensures the load of requests to their sites do not overwhelm a single computer
3.  d)  mapping host and domain names to IP addresses of computers
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