A query <span>is a question you ask about data stored in a database</span>
Answer:C) Feedback
Explanation: System control is the controlling and managing activity of the system by commands ,regulations, management practices etc.It helps in the analyzation of the system and improving the ability of performing the tasks.Feedback is the component of the control system that is obtained as the output after the controlling technique is applied in the system.
Other options are incorrect because environment is the surrounding of the system ,interface is the connection between the components of the system and boundary is not a technical term of control system.Thus, the correct option is option(C).
The recommended secure protocol for voice and video applications is the Secure<span> Real-time Transport </span>Protocol<span> (SRTP) protocol. SRTP is a Real-time Transport </span>Protocol (RTP) profile used to to provide encryption, message authentication and integrity.
The default cipher of SRTP is the Advanced Encryption Standard<span> (AES) .</span>
The answer is A.
Answer:
name and address of web visitors.
Explanation:
A website refers to the collective name used to describe series of web pages linked together with the same domain name.
Web analytical packages are software features that are typically used for tracking the identity of a computer system by placing or adding cookies to the computer when it's used to visit a particular website. Thus, it's only used for tracking the identity of a computer but not the computer users.
This ultimately implies that, web analytical packages can obtain the geographic location, Internet connection type, and navigation source information when someone visits a website, but it cannot obtain the name and address of web visitors or users.