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1. Bob has been given the task of changing the IP address and enabling telnet access on a CISCO 2950 enterprise switch.
The current IP address is 10.10.10.2/8 the new IP address is 10.0.0.2/24
The enterprise switch has an encrypted password which Bob has no way of determining.
a. Explain the process Bob would take to get around the password
b. Explain all of the commands needed for Bob to successfully accomplish the IP address change and telnet access
Can you define what IPSec is?
Quetion: A photodiode with a dark current of 10 nA has a responsivity of 0.4 A/W at a certain wavelength. What current flows through the photodiode when it is reverse biased an
Question: (a) In relation with a cellular network architecture, describe the following terms: (i) Clusters (ii) Pico cells (iii) Nano cells (iii) Cell breathing (b)
Prohibited use of VPN
Can you describe IP protocol?
Consider a simple wireless data link using channel bandwidth of 40 kHz. The transmit power level is 20 dBm, the link attenuation is 40 dB and the SNRdB at the receiver is 20 dB.
There is a many-to-one relationship among clients and server. Clients always start the dialog by requesting a service. Servers are passively awaiting for requests from clients.
Uses of fragmentation and reassembly The More bit is used for fragmentation and reassembly. If this bit is 0, then either there has been no fragmentation of this packet or this
Question : a) In your view, what are the top three strengths and weaknesses of wireless systems? Rank them in order of priority. What can be done to address the weaknesses?
Ans) UDP TCP SPX
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