Which type of ISDN circuit provides 23 B channels and 1 D channel?
A) BRI
B) IDSL
C) PRI
D) SDSL
C
Explanation: There are two different types of ISDN circuit: Primary Rate Interface (PRI) and Basic Rate Interface (BRI). A PRI provides 23 B channels and 1 D channel (64 kbps). A BRI provides 2 B channels and 1 D channel (16 kbps).
You might also like to view...
You can use Match suffix option in the Find and Replace dialog box to find a word that ends with specific letters
Indicate whether the statement is true or false
After replacing the motherboard in a laptop, the system overheats and fails to boot. Which of the following is the MOST likely cause of this error?
A. Thermal paste was not applied between the heat sink and CPU. B. The fan is not compatible with the new motherboard. C. The GPU is not compatible with the CPU. D. The replacement motherboard firmware is out of date.