In the DNS name www.elearnsecurity.com, which part is the domain part?

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Multiple Choice

In the DNS name www.elearnsecurity.com, which part is the domain part?

Explanation:
In DNS, names are built from right to left: the rightmost label is the top-level domain, the label to its left is the domain (second-level), and anything further left is a subdomain or host. In www.elearnsecurity.com, .com is the top-level domain, elearnsecurity is the second-level domain (the domain part), and www is a host/subdomain used to reach a specific service on that domain. So the domain part is elearnsecurity. If you needed the full domain including the TLD, it would be elearnsecurity.com, but the question specifies the domain portion, which is the central label. The other parts correspond to the host and the top-level domain, not the domain itself.

In DNS, names are built from right to left: the rightmost label is the top-level domain, the label to its left is the domain (second-level), and anything further left is a subdomain or host. In www.elearnsecurity.com, .com is the top-level domain, elearnsecurity is the second-level domain (the domain part), and www is a host/subdomain used to reach a specific service on that domain. So the domain part is elearnsecurity. If you needed the full domain including the TLD, it would be elearnsecurity.com, but the question specifies the domain portion, which is the central label. The other parts correspond to the host and the top-level domain, not the domain itself.

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