Which of the following is NOT true regarding first normal form?
A) The first normal form dictates that the table must not have repeating groups of values in a single column or anomaly and that it must have a key.
B) In 1NF each nonkey field needs some sort of dependency on the key.
C) A record is considered atomic when none of the values are repeating or concatenated for a single column.
D) If the values are repeated in the rows that are currently blank, each row will become atomic and each row will represent one database record or tuple.
A
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What is the secondary mode of detection for the microwave fence sensor?
a. Beam break. b. Signal fade margin. c. Multipath reflection. d. Multipath amplification.
Joe, the chief technical officer (CTO) is concerned that the servers and network devices may not be able to handle the growing needs of the company. He has asked his network engineer to being monitoring the performance of these devices and present statistics to management for capacity planning. Which of the following protocols should be used to this?
A. SNMP B. SSH C. TLS D. ICMP