# TCS Placement: Sample Questions 499 - 500 of 502

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## Question 499

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### Write in Short

In a certain format TUBUJPO is coded as STATION. The code of which string is FILTER?

### Explanation

• STATION is the code for TUBUJPO.
• Here, each alphabet is incremented by one position.
• Like,
• S = T, T = U, A = B, T = U, I = J, O = P, N = O
• We need to follow the same pattern for word FILTER.
• Incrementing each alphabet by one position, new code will be,
• F = G, I = J, L = M, T = U, E = F, R = S
• So, the code for string ‘FILTER’ will be ‘GJMUFS’ .

## Question 500

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### Describe in Detail

Essay▾

What is Bandwidth?

### Explanation

• Every medium has an upper limit and lower limit on the frequency of signals. This range is called the bandwidth. Another definition of bandwidth is the capacity of network communications link to transmit data from one point to another. In short bandwidth describes the data transfer rate.
• Note that bandwidth is not a measure of network speed.
• Bandwidth is expressed in bits per second (bps) , megabits per second (Mbps) , or gigabits per second (Gbps) .
• Bandwidth can be symmetrical that is data capacity is same in both directions, or asymmetrical, which means download and upload capacity are not equal.