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DNS ID hacking
The Dns use ID system in order to keep track of each every request and replies. In order to spoof the DNS’s response, the hacker needs to do ID Hacking. In order to implement this, the hacker hacks the ID and then reverts that user as the fake DNS and directs him to undesirable page.
Optimizing STP Because there is a separate instance of the spanning tree for every active VLAN, a separate root election is conducted for each instance. If the default switch p
M E T HOD OF CALCULATION It involves counting the number of each part type and multiplying with the generic failure rate of each part. On summing up the product, we obtain t
Differentiate between Fast fading and Slow fading Fast fading refers to changes in signal strength among a transmitter and receiver as the distance among the two changes by a s
A multimeter is used to measure a sinusoidal signal and reads 2V RMS; what is the peak-to-peak voltage of the signal? A mark will be deducted if you do not quote your answer to 2 s
Gateway A gateway is an internetwork device which joins different network protocols together. It woods on all seven layers of OSI model. Gateways are also known as pro
Recognize the command to show the hardware platform information Ans) Show version is the command to show the hardware platform information
1. A computer system has a two-level memory cache hierarchy. The L1 cache has a zero hit penalty, a miss penalty of 5 ns and a hit rate of 95 percent. The L2 cache has a miss pena
What is Multiplexing? Multiplexing is the set of techniques that permits the simultaneous transmission of multiple signals across a single data link.
Allows for transmission and receiving of data concurrently
When using access lists, it is important where those access lists are placed. Which Statement best defines access list placement Ans) Put standard access lists as near the desti
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