Q. Some organizations were using X.25 (a virtual-circuit switching network) performed switching at the

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Q. Frame Relay operates only at

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Q. The user access devices in Asynchronous Transfer Mode (ATM) is known as

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Q. Frame Relay is designed to overcome the drawbacks of the T-1 to T-3 line and

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Q. Ethernet is a

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Q. A virtual-circuit switching network X.25 was designed in the

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Q. The Backward Explicit Congestion Notification (BECN) bit is set to indicate a congestion problem in

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Q. There are three types of switching: circuit switching, packet switching and

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Q. In Asynchronous Transfer Mode (ATM), the endpoints are connected through a

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Q. The Convergence Sublayer (CS) in Application Adaptation Layer 2 (AAL2) overhead consists of

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Q. Frame Relay Assembler/Disassembler (FRAD) can be implemented as a separate device or as part of a

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Q. Permanent Virtual Circuits (PVC) connections have two

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Q. In the LAN Emulation server (LES), the software is installed on the

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Q. The Segmentation and Reassembly sublayer of the Application Adaptation Layer 1 has two fields of

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Q. ATM technology supports different types of connections between two

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Q. The protocols recognized by the ANSI is supported by

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Q. The LAN emulation configuration server (LECS) is used for the initial connection between the client and

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Q. Asynchronous Transfer Mode (ATM) uses asynchronous

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Q. All ATM stations have

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Q. Frame Relay operates in

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