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If you have class B network and wish to divide it into subnets, each with 126 hosts, that subnet mask must you use? How many networks will be available? Write down the four addresses (broadcast and network number) for network starting at 131.204.18? Subnet mask is 255.255.255.128 or FFFFFF80 or /25 (all equivalent). There will be 512 networks available. Networks: 131.204.18.0, 131.204.18.128 Broadcast: 131.204.18.127, 131.204.18.255 10. Assume you have 300 hosts and wish to have no more than 50 hosts per subnet. Determine size of address block must you request from your ISP? How many class C equivalent addresses would you require? How many subnets would you have left over from your allocation?
Describe the concept of subnetting and concept of subnet masks. Why do we utilize subnetting? How do we know which bits are used to recognize network?
Suppose that initial values of cache tags and cache lines are completely arbitrary, illustrate which accesses will lead to hit, and which will cause to miss.
Determine the IP addresses of www.google.com and www.yahoo.com. Modify hosts file to map www.google.com to yahoo's IP address and try to do google search. Remove modification to host file and repeat.
Using the frequency definition of bandwidth, what should the bandwidth of 10 Mbps Ethernet link be if the signal-to-noise ratio is 20 dB?
Create communication system (block diagram) which will permit transmission of these 4 sources over telephone channel using: Time division multiplexing by using PCM, suppose 8-bit samples.
Derive a general expression for the width of a bit in terms of the propagation speed s, the transmission rate R, and the length of the link m.
Coaxial cable is two-wire transmission system, determine the advantage of connecting outer conductor to ground? Explain the two layers: LLC & MAC.
Provide an example explaining the best use of Virus, Encryption, VPN, Firewall securities, when and why?Which security areas you are using and applying to your securities? Also explain why?
How can you tell from this experience that the RDP file includes the settings you configured in the client before you created the RDP file?
Find out how many users a cell can support for a 5% call---blocking rate. Assume that each user produces 35mE of load in the busy hour.
This fiber-optic line has reached capacity. What alternatives can the telephone company consider to increase capacity?
How many fram need to sent? Determine the size of data in each frame?
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