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300-115 Exam Questions - Online Test


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Q1. After an EtherChannel is configured between two Cisco switches, interface port channel 1 is in the down/down state. Switch A is configured with channel-group 1 mode active, while Switch B is configured with channel-group 1 mode desirable. Why is the EtherChannel bundle not working?

A. The switches are using mismatched EtherChannel negotiation modes.

B. The switch ports are not configured in trunking mode.

C. LACP priority must be configured on both switches.

D. The channel group identifier must be different for Switch A and Switch B.

Answer: A

Q2. Refer to the exhibit.

Which EtherChannel negotiation protocol is configured on the interface f0/13 – f0/15?

A. Link Combination Control Protocol

B. Port Aggregation Protocol

C. Port Combination Protocol

D. Link Aggregation Control Protocol

Answer: B

Q3. What is the maximum number of switches that can be stacked using Cisco StackWise?

A. 4

B. 5

C. 8

D. 9

E. 10

F. 13

Answer: D

Q4. Which command would a network engineer apply to error-disable a switchport when a packet-storm is detected?

A. router(config-if)#storm-control action shutdown

B. router(config-if)#storm-control action trap

C. router(config-if)#storm-control action error

D. router(config-if)#storm-control action enable

Answer: A

Q5. For client server failover purposes, the application server team has indicated that they must not have the standard 30 second delay before their switchport enters a forwarding state. For their disaster recovery feature to operate successfully, they require the switchport to enter a forwarding state immediately. Which spanning-tree feature satisfies this requirement?

A. Rapid Spanning-Tree

B. Spanning-Tree Timers

C. Spanning-Tree FastPort

D. Spanning-Tree PortFast

E. Spanning-Tree Fast Forward

Answer: D

Q6. A network is running VTPv2. After verifying all VTP settings, the network engineer notices that the new switch is not receiving the list of VLANs from the server. Which action resolves this problem?

A. Reload the new switch.

B. Restart the VTP process on the new switch.

C. Reload the VTP server.

D. Verify connected trunk ports.

Answer: D

Q7. Refer to the exhibit.

Switch A, B, and C are trunked together and have been properly configured for VTP. Switch C receives VLAN information from the VTP server Switch A, but Switch B does not receive any VLAN information. What is the most probable cause of this behavior?

A. Switch B is configured in transparent mode.

B. Switch B is configured with an access port to Switch A, while Switch C is configured with a trunk port to Switch B.

C. The VTP revision number of the Switch B is higher than that of Switch A.

D. The trunk between Switch A and Switch B is misconfigured.

Answer: A

Q8. When two MST instances (MST 1 and MST 2) are created on a switch, what is the total number of spanning-tree instances running on the switch?

A. 1

B. 2

C. 3

D. 4

Answer: C

Q9. Which VRRP router is responsible for forwarding packets that are sent to the IP addresses of the virtual router?

A. virtual router master

B. virtual router backup

C. virtual router active

D. virtual router standby

Answer: A

Q10. Refer to the exhibit.

A network engineer investigates a recent network failure and notices that one of the interfaces on the switch is still down. What is causing the line protocol on this interface to be shown as down?

A. There is a layer 1 physical issue.

B. There is a speed mismatch on the interface.

C. The interface is configured as the target of the SPAN session.

D. The interface is configured as the source of the SPAN session.

E. There is a duplex mismatch on the interface.

Answer: C