Answer the following statement(s) true (T) or false (F)
Proxy servers and ACLs on network devices are examples of non-security devices with security features, while firewalls and IDS/IPS systems are the network's specialized security devices.
ANSWER: True
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Answer the following statements true (T) or false (F)
1) A solution is a group of related files, such as C# code, images and documentation. 2) You cannot browse the web from within the Visual Studio Community environment. 3) To make a new project you have to go into the Get Started section. 4) Visual Studio Community can be used to create apps only in C#. 5) Dragging and dropping predefined building blocks into place is part of visual programming in C#.
Show that step 2 of the method used in Section 16.3.1 to perform a join using a semi- join does in fact generate the semi-join. For simplicity, assume that the join we are attempting is a natural join. That is, prove that ?attributes(T1) (T1 T2) = ?attributes(T1)(T1 ?attributes(join-condition)(T2))
What will be an ideal response?