Lumen Technologies Information Security Consultant Interview Questions and Answers

Availability refers to the state of being ready for use or accessible. Invoices in accounting are used to track financial transactions. Rebates are discounts given after a purchase. Cash sales are transactions made with immediate payment. Rush orders are orders that need to be processed quickly.

• Availability is the state of being ready for use or accessible

• Invoices in accounting are used to track financial transactions

• R...read more

Incremental load is a process of updating a data warehouse or database by adding only the new or modified data.

• Incremental load is used to minimize the amount of data that needs to be processed and loaded.

• It involves identifying the changes in the source data and applying those changes to the target system.

• Common techniques for incremental load include using timestamps, change data capture, or comparing checksums.

• For e...read more

Keep and join are both used in programming, but they have different meanings and purposes.

• Keep is a method used to filter elements from a collection based on a condition.

• Join is used to combine elements from two or more collections based on a common attribute.

• Keep returns a new collection with only the elements that satisfy the condition.

• Join combines elements from multiple collections into a single collection.

• Keep is ...read more

A synthetic key is a composite key created when two or more tables have multiple common fields.

• Synthetic keys occur when there is a many-to-many relationship between tables.

• They can be removed by resolving the underlying data model issues.

• One way to remove synthetic keys is by creating a bridge table to represent the many-to-many relationship.

• Another approach is to concatenate the common fields to create a unique key.

• S...read more