1. A connection pool is simply a collection of preallocated database connections that can be reused and released by each "virtual connection" thread.

2. Each additional area must have a direct or virtual connection to the backbone OSPF area.

3. Permanent Virtual Connection(PVC) is the term that describes that path data takes through a virtual network.

4. These connections can be divided into two types:permanent virtual connection(PVC) and switched virtual connections(SVC).

5. In ATM terminology, it is called a switched virtual connection.

6. Source port: The port number assigned to the virtual connection on the connection-initiating host.

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7. VCI?Virtual Connection Identifier?

8. Many dynamic experiments have shown that sockets in a proper angle can reduce self-stress and avoid virtual connection and fire striking.

9. Most networks combine IP with a higher-level protocol called Transmission Control Protocol (TCP), which establishes a virtual connection between a destination and a source.

10. The on-site test results indicate that energy meter's neutral point virtual connection has a great effect on PT secondary voltage drop.

11. Your words contain no addressing information, as a point-to-point virtual connection exists between both ends of the call, and the connection itself implies a particular source and destination.

12. Many dynamic experiments have shown that sockets in a proper angle can reduce self-stress and prevent virtual connection and fire striking.