Answer:
A perimeter intrusion detection system (PIDS) is a device or sensor that detects the presence of an intruder attempting to breach the physical perimeter of a property, building, or other secured area.
the use of buried sensor for perimeter intrusion detection system, becomes very popular due to the advantage of been a discreet or even an invisible detection system and avoiding the need to build an above-the-ground fence to protect the perimeter due to costs or environmental reasons
Explanation:
<em>Description of 3 systems:</em>
Barrier-Mounted :Fence Intrusion Detection System
PIDS deployed on or in conjunction with a fence or other physical barrier (e.g. DAS cable or other motion sensors mounted on a fence).
Ground-based or Below-ground
:
PIDS deployed below ground (again a DAS cable can be used or pressure sensitive cable or electromagnetic field). These do not require a physical barrier.
Free-Standing
PIDS deployed above ground that do not need to be installed on or in conjunction with a physical barrier (e.g. bistatic microwave link).
Example of one PIDS system I have seen deployed in a familiar location is the ones at the prison which is a barrier mounted or some inairports that prevent small to cause harm to small animals.
Answer:
Phishing and Social Media
Explanation:
A quick web search can give you this information. Terrorist organizations have used social media to socially engineer innocent people into joining their organizations and more. Phishing is also an attack that's used to obtain critical information such as hashes or plaintext credentials to get into people's accounts. This is a tactic that's also been used by terrorist organizations in the past.
The answer is This. <span>a This reference is an automatically created variable that holds the address of an object and passes it to an instance method whenever the method is called.</span>
A <em>parameter </em>is a variable used to pass information to a method.
Answer:
The Correct syntax for inserting an image as hyperlink is given in explanation section
Explanation:
To make an image act as a hyperlink, place the image element within the HTML anchor "<a></a>" element.
The syntax of inserting image hyperlink in XHTML is given below.
<a href = "link_that_can_be_accessible"><img src="source of image" alt="display name if image not shown in the browser" border="0"/></a>
for example lets insert image as hyperlink
<a href="ajax.html"><img src="logo.gif" alt="AJAX" border="0" /></a>
The default appearance is a blue border around the image. Specifying border="0" removes the border around the image.
if you want to insert image from another folder then the image hyperlink looks like this:
<a href="ajax.html"><img src="/images/html5/logo.gif" alt="AJAX" border="0" /></a>
If you want to insert image from another server then image hyper link looks like this:
<a href="ajax.html"><img src="https://www.myExample.com/images/html5/logo.gif" alt="AJAX" border="0" /></a>
