[Cisco 640-878]On Cisco IOS XR software, which two of the address-family command options in IS-IS configuration mode are valid?

spngn1

#1

On Cisco IOS XR software, which two of the address-family command options in IS-IS configuration mode are valid? (Choose two)

A. address-family clns
B. address-family ipv4 unicast
C. address-family ipv6 unicast
D. address-family vpnv4
E. address-family vpnv6

Answer: BC

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