A packet traveling between two routers on a frame relay virtual circuit follows the OSI stack as follows:
A) Transport layer to datalink layer to network layer.
B) Network layer to datalink layer to network layer to datalink layer to physical layer.
C) Transport layer to datalink layer to physical layer.
D) Network layer to transport layer to data link layer to physical layer.
E) None of the above.
D
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Answer the following statement(s) true (T) or false (F)
Four methods of electrical interlocking are available.
Una técnica de voladura de roca para la mitigación, para las superficies de roca que involucran la perforación es _____.
a. taqueo b. recubrimiento con lodo c. barrenado superficial d. voladura controlada
____________________ and dispersants are added to oil to keep small particle contaminants suspended in the oil
Fill in the blank(s) with the appropriate word(s).
The mechanical device used to change the state of a switch is called the pole
Indicate whether the statement is true or false