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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 penalty of 100 ns and a hit rate of 90 percent.
a) How many cycles are lost for each instruction accessing the memory if the CPU clock rate is 2 GHz?
b) We can either increase the hit rate of the topmost cache to 98 percent or increase the hit rate of the second cache to 95 percent. Which improvement would have more impact?
Repeater Repeater is also named as active hub operates at physical layer of OSI model. Repeater is an electronic device that simply regenerates the signal. Signals travell
Recognize the hardware component used to store buffers, tables, running-configuration etc? Ans) RAM is the dynamic memory area. ROM have the boot strap code, NVRAM have the star
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What is the method of redistribution?
Q. Show Coaxial Cable Connectors? - A most common is barrel connector (BNC) - T-connectors are utilized to branch off to secondary cables - Terminators are necessary for
What is a File server? File servers are helpful for sharing files across a network. With a file server, the client passes requests for file records over system to file server.
Configure Router1. From Host1, connect to the console of Router 1 and establish a console session. Directions for creating a console connection using HyperTerminal are in Appen
Question: (a) Explain the usage of the following parts of the IPv4 datagram format. i. VERS ii. HLEN iii. TOTAL LENGTH iv. SERVICE TYPE v. HEADER CHECKSUM (b) Na
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Disadvantages of IP sec Tunnelling mode IP sec tunnelling mode has the following disadvantage a.Encryption of small packets generates a lot networks over head thu
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