Question: A computer network has the following: A cache server with a capacity of 150 MB and an access link of 20 Mbps. The cache hit

A computer network has the following:

A cache server with a capacity of 150 MB and an access link of 20 Mbps. The cache hit rate is 0.7 and the average object size is 12 KB. The request rate for the network is 900 requests per second. Find the network latency for a request for these two cases:

1. Only cache is used, and the link capacity remains the same.

2. The access link is now 30 Mbps and the cache is used.

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