GATE Computer Science: Questions 51 - 56 of 913
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Question number: 51
Question number: 52
Question number: 53
A2.0 kHz signal is sampled at the rate of 2.8 kHz and the samples are applied to an ideal rectangular LPF with cut-off frequency of 2.2 kHz, then the output of the filter contains
800Hz, 900 and 100 Hz components
800 Hz and 100 Hz components
Only 800 Hz component
800 Hz and 900 Hz components
Question number: 54
Question number: 55
An organization wants to implement policies for its web pages. It allows access to those who had previous association with it and deny others. What is the solution it must adopt?
Packet filter firewall