February 2012
Intermediate to advanced
1056 pages
28h 24m
English
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Chapter 5
1. A, B, C, D. The DNS namespace includes root domains, top-level domains, second-level domains, and host names. You can even have additional subdomains at levels beneath the second level. However, NetBIOS names are not a component of the DNS namespace.
2. C, D, F. These three computer names qualify as FQDNs, which generally consist of a host name, second-level domain name, and top-level domain name separated by periods. SERVER1 is a NetBIOS name, not a FQDN. http://www is an incomplete name; further, a FQDN does not start with http:. webserver.anydomain. is an incomplete name.
3. C. In an iterative query, the name is resolved in the sequence root domain, top-level domain, second-level domain, and then host name. If the ISP’s DNS server ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.