Explain where firewalls should be placed in a typical network. include a explanation of a dmz and how it can protect the sensitive inside of a network. in what situations would you use multiple layers of firewalls. (hint: see chapter 3 of the nist publication.) you should include one or more diagrams showing typical placement of firewalls.

Discuss the ways in which electronic information associated with payments is addressed in terms of security. include encryption, secure sockets layers, and secure electronic transactions in your discussion. are there any other ways that consumers and businesses can keep their payment information secure in an electronic commerce environment? do you feel that your information is safe when conducting electronic business? why or why not?

Select all that apply. which of the following are proofreading options included in microsoft word? spell check find replace grammar check formatting check

Acomputer has a two-level cache. suppose that 60% of the memory references hit on the first level cache, 35% hit on the second level, and 5% miss. the access times are 5 nsec, 15 nsec, and 60 nsec, respectively, where the times for the level 2 cache and memory start counting at the moment it is known that they are needed (e. g., a level 2 cache access does not even start until the level 1 cache miss occurs). what is the average access time?