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Because WAN connections require routers or other Layer 3 devices to connect locations, their links are not capable of carrying ____ protocols.
The portion of the PSTN that connects any residence or business to the nearest CO is known as the ____.
In a process called ____, two 64-Kbps ISDN B channels can be combined to achieve an effective throughput of 128 Kbps.
A ____ converts digital signals into analog signals for use with ISDN phones and other analog devices.
At the customer's demarcation point, either inside or outside the building, T-carrier wire pairs terminate with a ____.
Broadband cable requires many subscribers to share the same local line, thus raising concerns about ____ and actual (versus theoretical) throughput.
SONET's extraordinary ____ results from its use of a double-ring topology over fiber-optic cable.
The data rate of a particular SONET ring is indicated by its ____, a rating that is internationally recognized by networking professionals and standards organizations.
____ networking refers to dialing directly into a private network's or ISP's remote access server to log on to a network.
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