Question

View the following configuration:

hostname R1 i boot system flash enable password ccie interface Ethernet 0

ip address 10.72.128.45 255.255.255.0 i interface SerialO ip address 152.108.10.1 255.255.255.0

ip access-group 100 in i interface Serial1 no ip address line con 0 line aux 0 transport input all line vty 0 4 no login

What is the purpose of the ip access-group 100 in command?

O a. Configures the access list to deny all inbound traffic on the serial 0 interface

O b. Configures the router to permit all traffic, because access list 100 has not been defined

O c. Specifies that the interface is not enabled for IP routing

O d. Instructs the router to only permit packets from the network 152.108.10.0/24.

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