Term
| The data rate of a particular SONET ring is indicated by its ____, a rating that is internationally recognized by networking professionals and standards organizations. |
|
Definition
| OC (Optical Carrier) level |
|
|
Term
| ____ is an updated, digital version of X.25 that also relies on packet switching. |
|
Definition
|
|
Term
| In a process called ____, two 64-Kbps ISDN B channels can be combined to achieve an effective throughput of 128 Kbps. |
|
Definition
|
|
Term
| ____________________ encapsulates incoming Ethernet or token ring frames, then converts them into ATM cells for transmission over an ATM network. |
|
Definition
LANE (LAN Emulation)
LAN Emulation
LANE |
|
|
Term
| On most modern WANs, a ring topology relies on ____ rings to carry data. |
|
Definition
|
|
Term
| The portion of the PSTN that connects any residence or business to the nearest CO is known as the ____. |
|
Definition
|
|
Term
| ISDN PRI uses ____ B channels and one 64-Kbps D channel. |
|
Definition
|
|
Term
| At the customer’s demarcation point, either inside or outside the building, T-carrier wire pairs terminate with a ____. |
|
Definition
|
|
Term
| Because WAN connections require routers or other Layer 3 devices to connect locations, their links are not capable of carrying ____ protocols. |
|
Definition
|
|
Term
| ____ is the preferred communications protocol for remote access communications. |
|
Definition
|
|
Term
| ____________________ is the remote virtual computing software that comes with Windows client and server operating systems. |
|
Definition
|
|
Term
| A ____ aggregates multiple DSL subscriber lines and connects them to the carrier’s CO. |
|
Definition
|
|
Term
| ____ networking refers to dialing directly into a private network’s or ISP’s remote access server to log on to a network. |
|
Definition
|
|
Term
| The individual geographic locations connected by a WAN are known as ____. |
|
Definition
|
|
Term
| ____ virtual computing allows a user on one computer, called the client, to control another computer, called the host or server, across a network connection. |
|
Definition
|
|
Term
| What sets ATM apart from Ethernet is its ____ size. |
|
Definition
|
|
Term
| WANs typically send data over ____ available communications networks. |
|
Definition
|
|
Term
| Broadband cable requires many subscribers to share the same local line, thus raising concerns about ____ and actual (versus theoretical) throughput. |
|
Definition
|
|
Term
| The speed of a T-carrier depends on its ____ level. |
|
Definition
|
|
Term
| A(n) ____________________ uses TDM (time division multiplexing) over two wire to divide a single channel into multiple channels. |
|
Definition
|
|
Term
| ___________________________________ is an open source system designed to allow one workstation to remotely manipulate and receive screen updates from another workstation. |
|
Definition
VNC (virtual network computing)
Virtual network computing
VNC |
|
|
Term
| A PSTN offers ____ security. |
|
Definition
|
|
Term
| ____ is the standard for connecting home computers to an ISP via DSL or broadband cable. |
|
Definition
|
|
Term
| ____________________ are connections between network nodes that, although based on potentially disparate physical links, logically appear to be direct, dedicated links between those nodes. |
|
Definition
|
|
Term
| SONET’s extraordinary ____ results from its use of a double-ring topology over fiber-optic cable. |
|
Definition
|
|
Term
| A ____ converts digital signals into analog signals for use with ISDN phones and other analog devices. |
|
Definition
|
|
