Which command must be defined before an administrator changes the linecode value on an ISDN T1 PRI in slot 0/2 on an IOS-XE gateway?
Click on the arrows to vote for the correct answer
A. B. C. D.D.
The correct answer is D. pri-group timeslots 1-24.
Before an administrator changes the linecode value on an ISDN T1 PRI in slot 0/2 on an IOS-XE gateway, the "pri-group timeslots 1-24" command must be defined. This command is used to group the T1 or E1 timeslots on the voice port of the gateway into a PRI interface.
The T1 or E1 PRI interface carries voice and signaling traffic between the gateway and the PSTN. The "pri-group timeslots" command defines the time slots to be used for the PRI, and is typically used when configuring the gateway for voice services, such as making and receiving phone calls.
Option A, "voice-port 0/2/0:23," is used to configure a specific voice port on the gateway and does not apply to changing the linecode value on an ISDN T1 PRI.
Option B, "isdn incoming-voice voice," is used to configure the voice codec for incoming ISDN calls and does not apply to changing the linecode value on an ISDN T1 PRI.
Option C, "card type t1 0 2," is used to specify the type of card in the specified slot of the gateway and does not apply to changing the linecode value on an ISDN T1 PRI.