Cisco CCNA Cisco Certified Network Associate CCNA Set 3

Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of a BPDU?

When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?

Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports FA0/13.
An 802.1Q trunk is configured between the two switches.
On CAT1, VLAN 10 is chosen as native, but on CAT2 the native VLAN is not specified.
What will happen in this scenario?

What will happen if a private IP address is assigned to a public interface connected to an ISP?

A network administrator is troubleshooting the OSPF configuration of routers R1 and R2.
The routers cannot establish an adjacency relationship on their common Ethernet link.
The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2.
Based on the information in the graphic, what is the cause of this problem?

In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?

VLAN 3 is not yet configured on your switch. What happens if you set the switchport access vlan 3 command in interface configuration mode?

A network administrator is troubleshooting an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency.
The retransmit interval and the queue counts for the adjacent routers also need to be checked.
What command will display the required information?

Which port state is introduced by Rapid-PVST?

Which statement is correct regarding the operation of DHCP?