The diagram shows a fibre-optic cable route linking a coastal landing station near Karachi to towns in interior Sindh. Engineers are explaining why high-spe...
Question 1 Report
The diagram shows a fibre-optic cable route linking a coastal landing station near Karachi to towns in interior Sindh. Engineers are explaining why high-speed data connections are becoming as important as roads for modern business. The project is funded partly by a foreign telecommunications company.
(a) Identify the material or technology used to carry signals in the cable. [1]
(b) Describe one advantage of fibre-optic communication over sending documents by post. [1]
(c) Explain three possible benefits and drawbacks of foreign investment in Pakistan's telecommunications sector. [3]
Answer Details
(a) Optical fibre / fibre-optic cable. [1] (b) Information can be sent almost instantly / large files can be sent quickly. [1] (c) Any three: investment can extend coverage and improve speeds [1]; businesses may communicate with overseas customers more easily [1]; construction and maintenance can create jobs [1]; profits may be returned to the foreign company [1]; poorer or remote areas may be ignored if they are less profitable [1].
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