CCNA 200-125

Which three statements about VTP features are true? (Select three)

Which method does a connected trunk port use to tag VLAN traffic?

What is the function of the command "switchport trunk native vlan 999" on a Cisco Catalyst switch?

If the primary root bridge experiences a power loss, which switch takes over?

Which command enhances the 802.1D convergence time on ports that are connected to hosts?

If a host experiences intermittent issues that relate to congestion within a network while remaining connected, what could cause congestion on this LAN?

View the exhibit. The output that is shown is generated at a switch. Which three of these statements are true? (Select three)

What are three benefits of implementing VLANs? (Choose three)

View the exhibit. The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem? (Select three)

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

After you configure the Loopback0 interface, which command can you enter to verify the status of the interface and determine whether fast switching is enabled?

Which command enables RSTP on a switch?

View the exhibit. Which switch provides the spanning-tree designated port role for the network segment that services the printers?

What is one benefit of PVST+?

Drag-n-drop. PC_1 is exchanging packets with the FTP server. Consider the packets as they leave RouterB interface Fa0/1 towards RouterA. Drag the correct frame and packet address to their place in the table.

Which three are valid modes for a switch port used as a VLAN trunk? (Select three)

If host Z needs to send data through router R1 to a storage server, which destination MAC address does host Z use to transmit packets?

Which two of these statements regarding RSTP are correct? (Select two)

View the exhibit. The network administrator is testing connectivity from the branch router to the newly installed application server. What is the most likely reason for the first ping having a success rate of only 60 percent?

Which statement about DTP is true?

Which two of these are characteristics of the 802.1Q protocol? (Select two)

View the exhibit. If CDP is enabled on all devices and interfaces, which devices will appear in the output of a show cdp neighbors command issued from R2?

Refer to the exhibit. The network administrator cannot connect to Switch1 over a Telnet session, although the hosts attached to Switch1 can ping the interface Fa0/0 of the router. Given the information in the graphic and assuming that the router and Switch2 are configured properly, which of the following commands should be issued on Switch1 to correct this problem?

View the exhibit. When HostA pings HostB, which entry will be in the ARP cache of HostA to support this transmission, after the ping?

Which spanning-tree protocol rides on top of another spanning-tree protocol?

Which two spanning-tree port states does RSTP combine to allow faster convergence? (Choose two.)

What set of commands was configured on interface Fa0/3 to produce the given output?

What is the default VLAN on an access port?

Which command can you enter to determine whether a switch is operating in trunking mode?

Refer to the exhibit. Which statement describes the effect of this configuration?

Which interface counter can you use to diagnose a duplex mismatch problem?

Drag-n-drop. PC_1 is sending packets to the FTP server. Consider the packets as they leave RouterA interface Fa0/0 towards RouterB. Drag the correct frame and packet address to their place in the table.

Which address type does a switch use to make selective forwarding decisions?

Which statement about unicast frame forwarding on a switch is true?

View the exhibit. Why has this switch not been elected the root bridge for VLAN1?

View the exhibit. The MAC address table is shown in its entirety. The Ethernet frame that is shown arrives at the switch. What two operations will the switch perform when it receives this frame? (Choose two)

Which command can you enter to view the ports that are assigned to VLAN 20?

Which command sequence can you enter to create VLAN 20 and assign it to an interface on a switch?

What is the first 24 bits in a MAC address called?

Which switching method duplicates the first six bytes of a frame before making a switching decision?