Answer
Crawler
Explanation
This is a program that go to various website to read their pages and content provided in order to form entries for a search engine index.All search engines have this program called spider or a bot. It acts as an automated script that browses through the internet to scan the web pages and find words contained in the pages and where the words are used.
Answer:
If you code a column list in an INSERT statement that includes a column that’s defined with a default value, you can insert the default value for that column by coding the DEFAULT keyword in the VALUES clause of the INSERT statement.
Explanation:
SQL permits insert the DEFAULT value on the columns when is required. Suppose the column has a NULL constraint(values on this column can not be set in null), then you can pass the default value.
For example:
INSERT INTO table(field1, field2, field3, field4) VALUES (10, DEFAULT, 20, DEFAULT)
An anaglyph is a graphic image composed of two images, one that is tinted red and the other that is tinted blue. When viewed together these images produce a stereoscopic effect.
Further Explanation:
To explain what an Anaglyph is and the concept it uses to work, I will use a simple demonstration. Place your finger higher up at a shorter distance from your face and close your left eye. You will notice your finger move slightly a bit to the left. The same happens when you close your right eye too.
Basically, Anaglyphs work by laying one images over the other from two angles. One image has a red tint and the other a blue tint. To view an Anaglyph image, you need glasses with the corresponding colors of the image. Note that if the image for the right eye is blue, it can only be filtered out by the red lense and not the blue lense and vice versa.
Learn more about anaglyph by clicking the image below
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Answer:
B. Spyware
Explanation:
Spywares are silent software that steals sensitive information such as internet or company data, and other similar information. They are oftentimes unnoticed and supply stolen data to external users, data centers or advertisement companies.
Sophisticated spyware can go as far as installing software to manipulate your settings or use passwords on your behalf.
Even though the Trojan was detected in our scenario, The Trojan would have created a backdoor to allow spyware in. This spyware will not be easily noticed by the technician or the antivirus, however, it could be more devastating than the Trojan.
That is why the security administration expresses concern over a breach despite the removal of the Trojan.
Secound Second class levers have the load between the effort and the fulcrum. An example of a second class lever is a wheel-barrow.
