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CEH

​Certified Ethical Hacker (CEH) is a qualification given by EC-Council and obtained by demonstrating knowledge of assessing the security of computer systems by looking for weaknesses and vulnerabilities in target systems, using the same knowledge and tools as a malicious hacker, but in a lawful and legitimate manner to assess the security posture of a target system. This knowledge is assessed by answering multiple choice questions regarding various ethical hacking techniques and tools. The code for the CEH exam is 312-50. This certification has now been made a baseline with a progression to the CEH (Practical), launched in March 2018, a test of penetration testing skills in a lab environment where the candidate must demonstrate the ability to apply techniques and use penetration testing tools to compromise various simulated systems within a virtual environment.

Ethical hackers are employed by organizations to penetrate networks and computer systems with the purpose of finding and fixing security vulnerabilities. The EC-Council offers another certification, known as Certified Network Defense Architect (CNDA). This certification is designed for United States Government agencies and is available only to members of selected agencies including some private government contractors, primarily in compliance to DOD Directive 8570.01-M.[1] It is also ANSI accredited and is recognized as a GCHQ Certified Training (GCT).

​Oxfordshire[a] is a landlocked county in the far west of the government statistical region of South East England. The ceremonial county borders Warwickshire to the north-west, Northamptonshire to the north-east, Buckinghamshire to the east, Berkshire to the south, Wiltshire to the south-west and Gloucestershire to the west.

The county has major education and tourist industries, and is noted for concentrations of performance motorsport, car manufacturing and technology companies. The University of Oxford is widely considered one of the leading universities in the world, and is linked to a concentration of local technology and science activities at locations such as the Harwell Science and Innovation Campus, while Oxford University Press is the largest firm among a concentration of print and publishing firms.

As well as the city of Oxford, other centres of population are Banbury, Bicester, Kidlington and Chipping Norton to the north of Oxford; Carterton and Witney to the west; Thame and Chinnor to the east; and Abingdon-on-Thames, Wantage, Didcot, Wallingford and Henley-on-Thames to the south. All its zones south of the Thames: the Vale of White Horse and parts of South Oxfordshire were within the historic county of Berkshire, including the highest point, the 261-metre (856 ft) White Horse Hill.[5]

Oxfordshire's county flower is the snake's-head fritillary.[6]

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