Acomputer has two levels of cache memories, which provide access times that are .01 and .1 times the access time of memory. if the hit ratio in each cache is .9, the memory has an access time of 10 microseconds, and the time required to load a cache block is 5 times the access time of the slower memory, calculate the effective memory access time.

Select the correct answer. andre was recently hired by an organization to check for system vulnerabilities. he is supposed to exploit these vulnerabilities and create a report on the extent of damage to which the system was susceptible. what position does andre hold in this organization? a. information security analyst b. information assurance manager c. penetration tester d. network security engineer e. chief information security officer