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Over the past several years, the chief executive officer (CEO) of your company has read articles on Internet control message protocol (ICMP) attacks and the use of packet sniffers to aid in hacking into computer networks. Though the CEO understands that this is a serious concern, he does not know what, if anything, is being done to protect the organization's network against such attacks.
Question: Prepare a 2-page memo outlining what you have done as the network administrator to protect the network against such attacks, as well as additional measures to secure the network against worms, viruses, DoS attacks, spyware, and other such network intrusions that can disrupt the day-to-day business activities.
Advice given to managersThe storage system that best fits the needs of the companyReasons why this is the best storage system.
query specifying specific columns query using a column alias query using the concatenation operator query using a literal character string
You are interested in examining some hard-to-obtain data from two separate databases. Each database comprises numerical values - so there are 2n values total
Identify each relationship type and write all of the business rules and create the bask Crow's Foot ERD for DealCo.
Explain what the data entries in each of the following indexes contain. If the order of entries is signi?cant, say so and explain why. If such an index cannot be constructed, say so and explain why
Using the Northwind database - Give a list of employee names and each employee's corresponding customers by company name.
Draw an inheritance hierarchy to represent a shoe object. The base class should have derived classes of Dress Shoes, Tennis Shoes and Boots.
Identify a relational algebra tree (or a relational algebra expression if you prefer) that reflects the order of operations a decent query optimizer would choose.
Create a decision table that describes the movement of inventory and draw a decision tree that describes the merchandise inventory management process.
Draw an Entity Relationship diagram for the system and Identify the table design for the database displaying all the fields/attributes. Ensure that all tables are in 3NF. You also need to identify the primary keys and foreign keys, where applicable..
List the entity classes and attributes that would be necessary for this information system.
Construct an entity-relationship (ER) model for the database. Make sure you include in your model details of entities, relationships, attributes, keys and limits in participation.
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