10. Which of the following network transmissions is regarded as most secure? 1. optical fibre 2....
10. Which of the following network transmissions is regarded as
most secure?
1. optical fibre
2. microwave
3. satellite
4. wire
Homework Answers
optical fibre network transmissions is regarded as most secure
1. optical fibre
Add Answer to:
10. Which of the following network transmissions is regarded as
most secure?
1. optical fibre
2....
QUESTION 1 1.1 In any long-haul optical fibre communications channel, it is important to have a...
QUESTION 1 1.1 In any long-haul optical fibre communications channel, it is important to have a large Bandwidth-Length Product (Hz-km). Name 4 things that could be considered in order to increase the Bandwidth-Length Product of a specific length of optical fibre. (4) 1.2 An optical fibre has a core diameter of 9 um and a refractive index of 1.466. The cladding refractive index is 1.442. 1.2.1 Determine if the fibre will permit single mode transmission at a wavelength of 1320...
PLZ answer Both question with working Cheers Question 3 10 pts An optical fibre has a...
PLZ answer Both question with working
Cheers
Question 3 10 pts An optical fibre has a core diameter of 11 um, and an acceptance angle in air of 0.037 radians. Above what operating wavelength is the fibre single mode? 1.55 pm 1.36 um 0.09 um 1.31 pm O 0.43 um 2.71 um Question 4 10 pts An optical source has a spectral width of 4 nm. What type of optical source is it likely to be? OLED O Laser Diode...
Problem 1: Fibre optics (2 points) Figure 1: Sketches of the geometry of an optical fibre...
Problem 1: Fibre optics (2 points) Figure 1: Sketches of the geometry of an optical fibre A long cylinder of dielectric material can guide light via total internal reflection. This idea dates back to the 1870s and forms the basis of the modern fibre optics communication technology. As long as the diameter of these fibres is large compared to the wavelength of the infalling light, its wave nature is negligible and we can use Geometric Optics to study the propagation...
Subject: Network Security 2. Secure Socket Layer protocol (SSL): (a) Compare the Secure Socket Layer protocol...
Subject: Network Security 2. Secure Socket Layer protocol (SSL): (a) Compare the Secure Socket Layer protocol (SSL) to IPsec. Show where would you place both in the Internet protocol stack. Which one is better suited for credit card transactions? [10 marks] (b) Is a man-in-the-middle attack possible on the Secure Socket Layer protocol (SSL)? [10 marks] (c) What is the difference between session and connection and why do we need both? [5 marks]
There are many different types of Networks including: -Computer Network -Local Area Network -Metropolitan Area Network...
There are many different types of Networks including: -Computer Network -Local Area Network -Metropolitan Area Network -Wide Area Network -Personal Area Network -Campus Area Network -Voice Network -Data Network -Satellite and Microwave Network -Telecommunications -Data Communications -Network Cloud Question: What are the different types of Networks shown/displayed in the following situations below: 1. Somebody working from home using a microcomputer, a DSL modem, and a telephone connection to the internet. In this case, the individuals business is connected to the...
Which of the following is the correct ordering of the capital stack (from most secure to least secure)?
7. Which of the following is the correct ordering of the capital stack (from most secure to least secure)? Senior debt-> Equity -> Subordinated debt Subordinated debt-> Senior debt -> Equity Senior debt -> Subordinated debt-> Equity Equity -> Subordinated debt -> Senior debt9. Which of the following statements about capital structure are correct? Select ALL correct answers. Having too much equity may dilute earnings and the value of the original investors. A company should always finance its business using as much debt as possible in order to...
9: Which of the following access network technologies has a property of asymmetric transmission rates(i.e different...
9: Which of the following access network technologies has a property of asymmetric transmission rates(i.e different transmission rates for upstream and downstream)? 1. DSL 2. Cable 3. Both 4. None which of the following physical media provides the greatest transmission rate and hence is suitable for backbone links? 1.Coaxial cables 2. Twisted pairs 3. Fiber optics 4. satellite links
Which of the following can be regarded as qualitative (or discrete) trait variation? Select one: 1.Weight...
Which of the following can be regarded as qualitative (or discrete) trait variation? Select one: 1.Weight of humans 2.The presence of thorns on plants 3.The length of thorns on plants 4.The root:shoot ratios of plants 5.Levels of bacterial enzyme activities
of the following, which is the most important parental factor contributing to the development of secure...
of the following, which is the most important parental factor contributing to the development of secure attachment among infants? D Positive perception of the parental role O The amount of stımulation provided Following a regular feeding schedule O Sensitivity in responding to the infants' signals Infrequent reliangs on daycare or babysitters
Attenuation in dB km-1 (e 01 0.5 005 0 I 1.2 Wavelength (um) 90 9 1 The graph above shows the attenuation vs. wavele...
Attenuation in dB km-1 (e 01 0.5 005 0 I 1.2 Wavelength (um) 90 9 1 The graph above shows the attenuation vs. wavelength characteristics for a typical silica based optical fibre. (3 marks) Describe the physical processes responsible for optical attenuation at short wavelengths, long wavelengths and the peaks at wavelengths of 1.2 and 1.4 um? (2 marks) What are the implications of the graph above for silica fibre long distance communications? b) A fibre has a core refractive...
QUESTION 1 1.1 In any long-haul optical fibre communications channel, it is important to have a large Bandwidth-Length Product (Hz-km). Name 4 things that could be considered in order to increase the Bandwidth-Length Product of a specific length of optical fibre. (4) 1.2 An optical fibre has a core diameter of 9 um and a refractive index of 1.466. The cladding refractive index is 1.442. 1.2.1 Determine if the fibre will permit single mode transmission at a wavelength of 1320...
PLZ answer Both question with working
Cheers
Question 3 10 pts An optical fibre has a core diameter of 11 um, and an acceptance angle in air of 0.037 radians. Above what operating wavelength is the fibre single mode? 1.55 pm 1.36 um 0.09 um 1.31 pm O 0.43 um 2.71 um Question 4 10 pts An optical source has a spectral width of 4 nm. What type of optical source is it likely to be? OLED O Laser Diode...
Problem 1: Fibre optics (2 points) Figure 1: Sketches of the geometry of an optical fibre A long cylinder of dielectric material can guide light via total internal reflection. This idea dates back to the 1870s and forms the basis of the modern fibre optics communication technology. As long as the diameter of these fibres is large compared to the wavelength of the infalling light, its wave nature is negligible and we can use Geometric Optics to study the propagation...
of the following, which is the most important parental factor contributing to the development of secure attachment among infants? D Positive perception of the parental role O The amount of stımulation provided Following a regular feeding schedule O Sensitivity in responding to the infants' signals Infrequent reliangs on daycare or babysitters
Attenuation in dB km-1 (e 01 0.5 005 0 I 1.2 Wavelength (um) 90 9 1 The graph above shows the attenuation vs. wavelength characteristics for a typical silica based optical fibre. (3 marks) Describe the physical processes responsible for optical attenuation at short wavelengths, long wavelengths and the peaks at wavelengths of 1.2 and 1.4 um? (2 marks) What are the implications of the graph above for silica fibre long distance communications? b) A fibre has a core refractive...
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