Cisco Certified Network Associate CCNA Practice Test 3

Cisco CCNA Practice Quiz

1 / 26

A network technician wants to verify whether a directly connected router is advertising its OSPF routes. Which command should be used?

2 / 26

A switch receives a broadcast frame on VLAN 10. What will happen to this frame?

3 / 26

You are configuring EtherChannel on a switch, but the ports are not aggregating correctly. Running show etherchannel summary shows the ports in a "Standalone" state. What is the most likely issue?

4 / 26

A router is configured with the command ip route 0.0.0.0 0.0.0.0 192.168.1.1. What is the purpose of this configuration?

5 / 26

A network engineer is troubleshooting an OSPF adjacency issue between two routers. The routers are in the same area and have correct IP addresses, but they are stuck in the "EXSTART" state. What is the most likely cause?

6 / 26

What feature prevents unauthorized DHCP servers from affecting a network?

7 / 26

Which protocol provides automatic network topology discovery on Cisco devices?

8 / 26

What is the default Cisco switch priority for STP root bridge selection?

9 / 26

What is the function of a CSMA/CD in Ethernet networks?

10 / 26

You configure an EtherChannel between two switches, but it isn’t working. What could be the issue?

11 / 26

You configure an EtherChannel between two switches, but it isn’t working. What could be the issue?

12 / 26

What is the advantage of using BGP over OSPF for internet routing?

13 / 26

What is the purpose of the switchport mode trunk command?

14 / 26

A switch interface is assigned to VLAN 20 but is not forwarding traffic. What could be the issue?

15 / 26

What command disables an interface on a Cisco switch?

16 / 26

Which protocol is used to establish a secure VPN connection between remote sites?

17 / 26

A network technician needs to ensure that only authorized devices can connect to a specific switch port. What feature should they enable?

18 / 26

Which feature allows a router to provide redundancy by sharing an IP address between two or more devices?

19 / 26

What happens if an OSPF router receives a route with a lower cost metric than its existing route?

20 / 26

You run the command show interfaces GigabitEthernet0/1 and see input errors increasing. What is the most likely cause?

21 / 26

What would cause a switch port to enter an err-disabled state?

22 / 26

What protocol is responsible for dynamically assigning Layer 3 addresses to virtual machines in a Cisco SDN environment?

23 / 26

You configure a new switch in a network but notice that it’s not forwarding traffic correctly. Running show spanning-tree reveals that the switch is in a blocking state. What could be the cause?

24 / 26

A switch receives a frame with a destination MAC address not in its MAC table. What does it do?

25 / 26

You configure a router with ip nat inside source list 1 interface GigabitEthernet0/0 overload. What does this accomplish?

26 / 26

A company has two offices connected by an MPLS link. They want to ensure that voice traffic has priority over all other data. Which technology should they use?

Your score is

The average score is 0%

0%