The logical comparison operator used for "not equals" is >=.
Answer the following statement true (T) or false (F)
False
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Abstract classes:
a. Contain at most one pure virtual function. b. Can have objects instantiated from them if the proper permissions are set. c. Cannot have abstract derived classes. d. Are defined, but the programmer never intends to instantiate any objects from them.
Match each term with the correct statement below.
A. converted a computer's digital signal to an analog signal that was amplified by a transceiver and broadcast through an antenna. B. promotes wireless networking for LANs C. spreads a transmission over one or more adjoining frequencies, using greater bandwidth to transmit the signal. D. device that can optionally attach to a cabled network and that services wireless communications between WNICs and the cabled network. E. characteristic in 802.11 standard that helps wireless devices take interference into account. F. defined by 802.1x to allow only authenticated communications. G. means that transmissions hop among 79 frequencies for each packet that is sent. H. communication method used by the IEEE 802.11R standard. I. transmits the signal between three antennas, one of which is on a satellite in space.
The table below lists customer/car hire data. Each customer may hire cars from various outlets throughout Glasgow. A car is registered at a particular outlet and can be hired out to a customer on a given date.
 (a) The data in the table is susceptible to update anomalies. Provide examples of how insertion, deletion, and modification anomalies could occur on this table. (b) Identify the functional dependencies represented by the data shown in the table. State any assumptions you make about the data. (c) Using the functional dependencies identified in part (b), describe and illustrate the process of normalization by converting Table 1 to Third Normal Form (3NF) relations. Identify the primary and foreign keys in your 3NF relations.
Which two security measures would be appropriate for a home computer? (Select two.)
A) Implement manual Windows updates. B) Rename default accounts. C) Use SSO. D) Deploy static IP addressing. E) Disable the guest account.