don't give spam answers please…. 151. Describe the role of filters in traffic monitoring systems.
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This helps in focusing the monitoring efforts on relevant data, thereby enhancing the efficiency and effectiveness of the monitoring process. Show more…
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identify the simplest method of filtering traffic
Haricharan G.
19) Op-amp circuits that pass certain selected frequencies while rejecting signals outside this range are called A) processors B) converters C) filters D) Amplifier 20) Filters are usually categorized by A) response quality B) how the output reacts to changes in input frequency C) the ratio of input current to frequency D) the maximum output frequency 21) The range of frequencies that are not attenuated by a filter are referred to as the A) band stop B) pass band C) low-pass frequency D) cutoff frequency 22) In general, the output from a passive low-pass filter is taken A) across the filter capacitor B) across the filter resistor C) either depending on the phase of the input D) none of the above 23) In general, the output from a passive high-pass filter is taken A) across the filter resistor B) across the filter capacitor C) either depending on the phase of the input D) none of the above 24) This circuit significantly attenuates all frequencies below the critical frequency and all frequencies above the critical frequency are passed A) band-pass filter B) active filter C) low-pass filter D) high-pass filter 25) The critical frequency of the basic high-pass filter occurs when A) Xc exceeds R B) XL = R C) XL = Xc D) Xc = R 26) This filter circuit passes all signals lying within a band between a lower-frequency limit and an upper-frequency limit A) band-pass B) low-pass C) pass band D) high-pass 27) This is the ratio of the center frequency to the bandwidth of a band-pass filter A) quality factor B) critical frequency C) frequency ratio D) Rejetion Ratio
Adi S.
7. Which fields in the IP datagram always change from one datagram to the next within this series of UDP segments sent by your computer destined to 128.119.245.12, via traceroute? Why? 8. Which fields in this sequence of IP datagrams (containing UDP segments) stay constant? Why? 9. Describe the pattern you see in the values in the Identification field of the IP datagrams being sent by your computer. Now let's take a look at the ICMP packets being returned to your computer by the intervening routers where the TTL value was decremented to zero (and hence caused the ICMP error message to be returned to your computer). The display filter that you can use to show just these packets is "ip.dst==192.168.86.61 and icmp". 10. What is the upper layer protocol specified in the IP datagrams returned from the routers? [Note: the answers for Linux/MacOS differ from Windows here]. 11. Are the values in the Identification fields (across the sequence of all ICMP packets from all routers) similar in behavior to your answer to question 9 above? 12. Are the values of the TTL fields similar across all ICMP packets from all routers?
Akash M.
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