Answer:
Implicit deny
Explanation:
A firewall is a network security protocol that monitors and controls inbound and outbound traffic based on set aside security rules.
When a firewall encounters a traffic it does not have a rule that explicitly defines an action for that communication, it implicit deny.
Answer:
We can periodically take a snapshot of the Domain Name System (DNS) caches in the local Domain Name System (DNS) servers.
Explanation:
We can periodically take a snapshot of the Domain Name System (DNS) caches in the local Domain Name System (DNS) servers. The Web server that appears most frequently in the Domain Name System (DNS) caches is the most popular server. This is because if more users are interested in a Web server, then Domain Name System (DNS) requests for that server are more frequently sent by users. Thus, that Web server will appear in the Domain Name System (DNS) caches more frequently.
The objects that can trigger a selected index changed event
when a selection is made are the following;
<span>·
</span>Combo box – This allows the user to type or
select value
<span>·
</span>Drop down list – This allows the data entry to
be placed easier and to limit entries
<span>·
</span>List box – this is considered to be a control in
which contains a collection of more than one items
<span> </span>