Fibre optics - Study guides, Class notes & Summaries
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GCSE OCR COMPUTER SCIENCE – NETWORK EXAM QUESTIONS AND ANSWERS
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What is a network? 
A network is a set of connected computers and other devices in order to share resources. This includes files, application software and hardware. 
 
 
 
What are the two types of network? 
LAN and WAN 
 
 
 
What is a LAN? 
Local Area Network - covers a small geographical area 
 
 
 
What is a WAN? 
Wide Area Network - covers a large geographical area 
 
 
 
What is network infrastructure? 
Network infrastructure is the hardware and software resources of an entire network that...
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HIM Systems questions with answers graded A+ 2023
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HIM Systems.What is driving the move to electronic health records? - correct answer Improved accuracy in treatment decisions 
Improved levels of care 
Ability to bring all health information together 
Reduction of wait times for appoints with specialists, for procedures 
 
The need for electronic health record - correct answer Reduction of wait times for results of diagnostic tests, 
(improving clinical dx) 
Improved security of health information through encryption 
Rapid access to a lot of da...
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HIM Ch. 7, 9 and 11 questions with 100% correct answers
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HIM Ch. 7, 9 and 11 
What is driving the move to electronic health records? - correct answer Improved accuracy in treatment decisions 
Improved levels of care 
Ability to bring all health information together 
Reduction of wait times for appoints with specialists, for procedures 
 
The need for electronic health record - correct answer Reduction of wait times for results of diagnostic tests, 
(improving clinical dx) 
Improved security of health information through encryption 
Rapid access to a ...
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AQA Physics AS Glossary Exam Questions and Answers 100% Pass
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AQA Physics AS Glossary Exam 
Questions and Answers 100% Pass 
Antineutrino - Answer- The antiparticle of a neutrino. 
Brittle fracture - Answer- When a stress applied to a brittle material causes tiny cracks 
at the material's surface to get bigger until the material breaks completely. 
Absolute refractive index - Answer- The ratio between the speed of light in a vacuum 
and the speed of light in a material. 
Antineutron - Answer- The antiparticle of a neutron. 
Antinode - Answer- A point of m...
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AQA Physics AS Glossary Exam Questions and Answers 100% Pass
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AQA Physics AS Glossary Exam Questions and Answers 100% Pass 
Antineutrino 
The antiparticle of a neutrino. 
 
 
Brittle fracture 
When a stress applied to a brittle material causes tiny cracks at the material's surface to get bigger until the material breaks completely. 
 
 
Absolute refractive index 
The ratio between the speed of light in a vacuum and the speed of light in a material. 
 
 
Antineutron 
The antiparticle of a neutron. 
 
 
Antinode 
A point of maximum amplitude on a stationary...
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AQA Physics AS Glossary Actual Exam Questions And Correct Answers
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AQA Physics AS Glossary Actual 
Exam Questions And Correct 
Answers 
 
Antineutrino - ANSWER- The antiparticle of a neutrino. 
Brittle fracture - ANSWER- When a stress applied to a brittle material causes tiny cracks 
at the material's surface to get bigger until the material breaks completely. 
Absolute refractive index - ANSWER- The ratio between the speed of light in a vacuum 
and the speed of light in a material. 
Antineutron - ANSWER- The antiparticle of a neutron. 
Antinode - ANSWER- A po...
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Final CPSA Questions & Answers 100% Correct
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A1) Benefits of pentesting -ANSWER Manage risk. Increase business continuity. Minimise client-side attacks. Protect clients, partners and third-parties. Comply with regulation. 
 
A1) Pentest structure -ANSWER Reconnaissance (i.e. find live hosts, sweeping, find services, scanning, banner matching, find vulnerabilities). Target prioritisation (e.g. assess servers rather than printers). Testing of services and exploitation if applicable. Consult/Confirm with customer if ok to exploit. Inform cust...
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GEOGRAPHY A LEVEL EDEXCEL PAPER 2
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GEOGRAPHY A LEVEL EDEXCEL PAPER 2 
 
Globalisation - ANS The growing interdependence of countries, people and cultures worldwide through increasing connections including trade in goods and services and flows of capital, technology and ideas/ Shrinking world - ANS Although physical distances around the world are unchanged, technology has massively reduced the time it takes to trade, travel, and communicate globally. Transport developments for globalisation - ANS - Railways - Aircraft - Containeri...
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WAVES- fibre optics and refraction Practice Questions with complete Solutions Rated A+
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WAVES- fibre optics and refraction Practice Questions with complete Solutions Rated A+ 
What is the use of fibre optics? - Answers Transmission of information as pulses of light over long distances through strands of fibre made from glass 
How much light is absorbed by the glass in fibre optics? - Answers Very little 
What does light undergo when inside a fibre optic? - Answers Complete internal reflection 
What is refraction? - Answers the bending of light waves due to a change in speed 
If a w...
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AQA AS Physics Chapter 5 Optics LATEST UPDATE
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AQA AS Physics Chapter 5 Optics LATEST UPDATE 
 
 
Normal 
Imaginary line perpendicular to the boundary between two materials or a surface. 
Partial reflection 
When some of the wave bounces off a surface, as it does when light moves from air to a refractive substance. 
Refractive index 
Ratio of sin i to sin r. Also the ratio of the speed of light in a vacuum to the speed of light in the material. Also the ratio of the wavelength of light in a vacuum to the wavelength of light in the material. ...
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