Question

question 2
what part of the url, http://www.cisco.com/index.html, represents the top - level dns domain?
http
.com
www
index

Explanation:

• In a URL, the top - level DNS domain is the part that comes after the second - level domain (in this case, 'cisco').
• 'Http' is the protocol.
• 'Www' is a sub - domain.
• 'Index' is the name of the web page file.
• '.com' is a well - known top - level domain (TLD) which is used for commercial entities.

Answer:

B..com