Assume that the client wants to retrieve the www. cnn home page but has no information about the www. cnn web server IP address. Describe the process of the client obtaining the IP address for the hostname www. cnn under the assumption that it is not cached at the local DNS server and that the local DNS server has not cached an entry for the DNS server. Describe this for the recursive case!.

Which action is good business etiquette? a. switching your cell phone off before you enter a meeting b. keeping your cell phone on low volume before you enter a meeting c. setting a pleasant ring tone on your cell phone before you enter a meeting d. setting a standard ringtone on your cell phone before you enter a meeting

Consider a direct-mapped cache with 216 words in main memory. the cache has 16 blocks of 8 words each. it is a word-addressable computer (rather than a byte-addressable computer which we normally discuss). (a) how many blocks of main memory are there? (b) what is the format of a memory address as seen by the cache, that is, what are the sizes of the tag, cache block, and block offset fields (if they apply)? (c) to which cache block will the memory reference db6316 map?

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