The function of PAD (Packet Assembler Disassembler) is described in a document known as X3 The standard protocol has been defined between the terminal and the PAD, called X28; another standard protocol exists between hte PAD and the network, called X29 Together, these three recommendations are often called "triple X"
Correct Answer: Object Repository means not a collection of objects it's a common repository for all the people (testing, developers) for seeing all the data in single login for example QA wants to see 5 testers works then he goes to each person login and see the data It's very difficult job for this we can use Object Repository
Correct Answer: The OSI Model is used as a reference model The primary reason the OSI model was created was so that different networks could inter-operate Hence, different networks could communicate