Infrared, a wireless connection used in the past prior to Bluetooth, was limited because it ________
A) required a direct line of sight between devices
B) was not able to connect devices to the Internet
C) was not managed correctly by its developer and therefore never became commercially successful
D) only enabled two devices to connect
A
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Purchases in most large corporations involve a ____.
A. procurement chain B. control chain C. resource chain D. supply chain
The _________ is used to ensure the confidentiality of the GTK and other key material in the 4-Way Handshake.
A. MIC key B. EAPOL-KEK C. EAPOL-KCK D. TK
Which of the following is used to close security holes discovered in an operating system or other program?
A) patch B) malware C) ActiveX D) antivirus
The _______ command is used to move around in the directory structure
Fill in the blank(s) with correct word