The following figure shows the configuration of the URL filtering configuration file. Which of the following statements is true about this configuration?
A . The firewall will check the blacklist first and then check the whitelist.
B . Assume that user visit www.exzample.com, which is part of Humanities and Social Networking category. At this time, the user cannot access the site.
C . The user visit the website www.exzample.com. When there is no black and white list of hits, the predefined URL category entry is next queried.
D . The default action means that all websites allow access. Therefore, this configuration error.
Answer: B