Define spread-spectrum radio waves.
What will be an ideal response?
The original IEEE 802.11 wireless Ethernet standard defined methods by which devices may communicate using spread-spectrum radio waves. Spread-spectrum broadcasts data in small, discrete chunks over the different frequencies available within a certain frequency range.
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One way that HTML changed to accommodate this new class of users was to introduce presentational ______ and presentational attributes designed to describe how each element should be rendered by Web browsers.
A. units B. levels C. elements D. characteristics
After you receive an e-mail message, you can pass the message on to other people-a process called ____________________.
Fill in the blank(s) with the appropriate word(s).
If the host on a network has the address 172.16.66.50/21, what is the subnet ID to which this host belongs?
A) 172.16.48.0 B) 172.16.56.0 C) 172.16.64.0 D) 172.16.72.0
When upgrading memory,
A) Refer to the manufacturer's documentation. B) DDR3 modules are the only type that normally can be used. C) Reset BIOS settings before beginning the upgrade process. D) Momentarily remove the CMOS battery so that the BIOS settings will automatically update.