What technologies are responsible for the recent increases in transmission rates, both for fiber-optic cable and wifi?
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What technologies are responsible for the recent increases in transmission rates, both for fiber-optic cable and...
A fiber opticoable10ypoint 1.88) ?s sub- A fiber optic cable (7n fiber 188 is sub- merged in water (nwater 1.31) What is the critical angle for light to stay inside the cable? Answer in units of
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
A fiber optic cable is submerged underwater. What is the critical angle of total internal reflection if the index of refraction of the cable and water is n cable=2.15 and n water=1.33? options in degrees: 15.12, 42.79, 38.21, 61.33
Distances between flaws in fiber-optic cable follow an exponential distribution with a mean of 30 meters. For a specific cable installation, you need to know the probability that the next flaw will occur between 20 and 40 meters from the current location.
Question 1 Select the correct statement(s) regarding fiber optic cable. a. The core and cladding within a fiber optic cable must have the same refractive index in order to achieve TIR (Total Internal Reflection) b. Only single mode fiber (SMF) can be constructed with either a “step” or “graded index” core c. Mulimode optical fibers (MMF) are vulnerable to modal dispersion d. All statements are correct Question 2 Using a direct sequence spread spectrum (DSSS) technique spreads a narrow band channel...
What is wrong with this design for an optical fiber cable? A
cross sectional view of the proposed fiber optic cable is shown.
The optical fibers have an index of refraction equal to 1.55 and
the medium surrounding the fibers has an index of refraction equals
to 1.60.
Kindly ans both correctly i have none attempts left
Question 8 10 pts For Fiber-optic cable, select the most important group of properties from the possible answers given below. The same group of properties may be used more than once. biocompatibility, transparency, modulus strength, modulus, optical properties dynamic stiffness, porosity, wave shielding waterproof, biocompatibility, modulus density, modulus, tribology Question 10 10 pts For Metamaterials, select the most important group of properties from the possible answers given below. The same group...
D Question 2 2 pts A manufacturer produces lengths of fiber optic cable. The manufacturer claims to produce cable with fewer than 2 defect per 1000 feet. You want to examine this claim and purchase 100 feet of the cable and assume that the manufacturer is correct and that there really are only two defects per 1000 feet on average. Let X be the number of defects in the 100 feet of cable that you purchased. The appropriate distribution for...
A consortium of international telecommunication companies contracted for the purchase and installation of a fiber optic cable linking two major cities at a total cost of US$960 million. This amount includes freight and installation charges estimated at 10% of the above contract price. If the cable shall be depreciated over a period of 15 years with zero salvage value: a) What is the depreciation charge during the 8th year using the sum-of-the-years digit method. Use the formula and table.
A long-distance telephone company uses a fiber-optic network to transmit phone calls and other information between locations. Calls are carried through cable lines and switching nodes. A portion of the company’s transmission network is shown here. The numbers above each arc show the capacity in thousands of messages that can be transmitted over that branch of the network.To keep up with the volume of information transmitted between origin and destination points, use the network to determine the maximum number of...