单选题By default, which IS-IS metric types does JUNOS software support?（）A receiving of wide metrics onlyB sending of narrow metrics onlyC receiving of narrow metrics onlyD sending and receiving of narrow and wide metrics
题目
单选题
By default, which IS-IS metric types does JUNOS software support?（）
A
receiving of wide metrics only
B
sending of narrow metrics only
C
receiving of narrow metrics only
D
sending and receiving of narrow and wide metrics