Chapter 4
1. B and C. The network 172.16.1.0 0.0.0.255 command tells Cisco IOS to match the first three octets when comparing the interface IP addresses to the configured “172.16.1.0” value. Only two answers match in the first three octets. The other two answers have a 0 in the third octet, making the addresses not match the network command.
2. D. The show ip eigrp interfaces command displays interfaces on which EIGRP has been enabled but omits passive interfaces. Making the interface passive would omit the interface from the output of this command.
3. D. The show ip eigrp interfaces detail command does display a router’s EIGRP Hello timer setting for each enabled interface. The other listed commands do not display the timer. Also, EIGRP routers ...
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