In the image below, which field is most likely to be a primary key in this table? Cust_ID 1278 1279 1280 1281 Last Name First Name Address1 City Warren Anna 123 Oak Troy Marshall Roger 3311 Elmwood Royal Oak U ling 12 Main Apt 2A Clawson Anderson Larry 41508 Coach Lane Troy State MI MI MI MI Zip 48034 48077 48017 48084 Wu Select one: a. Cust ID O b. Last Name O c. Last name and first name (combined) O d. Zip code Clear my choice Clear my choice A DDoS stands for one of the common forms of viruses that attack multiple computers to flood a website until it slows or crashes. What does DDoS stand for? Select one O a. Data distnbution of systems attack b. Data denial-of-software attack c. Distributed denial-of-service attack O d. Distributed data online systems attack, Clear my choice What is the primary problem with redundant information? Select one O a. It is difficult to determine which values are the most accurate, O b. It is difficult to determine which values are the most current O c. It is often inconsistent d. All of these Clear my choice