P

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PHY

Physical layer



ping

(1) (n.) (Packet Internet Groper) A small program (ICMP ECHO) that a computer sends to a host and times on its return path.

(2) (v.) To test the reach of destinations by sending them an ICMP ECHO: "Ping host X to see if it is up!"



PIR

Peak Information Rate



PPA

Primary Point of Attachment



Presentation Service

Term used to describe a service that "presents" the data that is returned to the end user. In this context, the presentation service was delivered by a tier of Web servers that served up JSP/servlet traffic for viewing by the client Web browsers.



Protocol Manager

Enables communication between Sun ONE Application Server and a client. Manages and provides services for all active, loaded listeners. Supports HTTP, HTTPS (HTTP over SSL), and IIOP.



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    Networking Concepts and Technology. A Designer's Resource
    Networking Concepts and Technology: A Designers Resource
    ISBN: 0131482076
    EAN: 2147483647
    Year: 2003
    Pages: 116

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