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  2. Packet crafting - Wikipedia

    en.wikipedia.org/wiki/Packet_crafting

    Packet Assembly is the creation of the packets to be sent. Some popular programs used for packet assembly are Hping, Nemesis, Ostinato, Cat Karat packet builder, Libcrafter, libtins, PcapPlusPlus, Scapy, Wirefloss and Yersinia. [1] [2] [3] Packets may be of any protocol and are designed to test

  3. Scapy - Wikipedia

    en.wikipedia.org/wiki/Scapy

    Scapy is a packet manipulation tool for computer networks, [3] [4] originally written in Python by Philippe Biondi. It can forge or decode packets, send them on the wire, capture them, and match requests and replies. It can also handle tasks like scanning, tracerouting, probing, unit tests, attacks, and network discovery.

  4. Second partial derivative test - Wikipedia

    en.wikipedia.org/wiki/Second_partial_derivative_test

    If D(a, b) = 0 then the point (a, b) could be any of a minimum, maximum, or saddle point (that is, the test is inconclusive). Sometimes other equivalent versions of the test are used. In cases 1 and 2, the requirement that f xx f yy − f xy 2 is positive at (x, y) implies that f xx and f yy have the same sign there.

  5. Apache Spark - Wikipedia

    en.wikipedia.org/wiki/Apache_Spark

    Spark Core is the foundation of the overall project. It provides distributed task dispatching, scheduling, and basic I/O functionalities, exposed through an application programming interface (for Java, Python, Scala, .NET [16] and R) centered on the RDD abstraction (the Java API is available for other JVM languages, but is also usable for some other non-JVM languages that can connect to the ...

  6. Penetration test - Wikipedia

    en.wikipedia.org/wiki/Penetration_test

    A penetration test, colloquially known as a pentest, is an authorized simulated cyberattack on a computer system, performed to evaluate the security of the system; [1] this is not to be confused with a vulnerability assessment. [2] The test is performed to identify weaknesses (or vulnerabilities), including the potential for unauthorized ...

  7. spaCy - Wikipedia

    en.wikipedia.org/wiki/SpaCy

    spaCy (/ s p eɪ ˈ s iː / spay-SEE) is an open-source software library for advanced natural language processing, written in the programming languages Python and Cython. [3] [4] The library is published under the MIT license and its main developers are Matthew Honnibal and Ines Montani, the founders of the software company Explosion.

  8. D2 Test of Attention - Wikipedia

    en.wikipedia.org/wiki/D2_Test_of_Attention

    The d2 Test of Attention is a neuropsychological measure of selective and sustained attention and visual scanning speed. [1] It is a paper and pencil test that asks participants to cross out any letter "d" with two marks around above it or below it in any order. [ 2 ]

  9. Chi-squared test - Wikipedia

    en.wikipedia.org/wiki/Chi-squared_test

    A chi-squared test (also chi-square or χ 2 test) is a statistical hypothesis test used in the analysis of contingency tables when the sample sizes are large. In simpler terms, this test is primarily used to examine whether two categorical variables ( two dimensions of the contingency table ) are independent in influencing the test statistic ...