Regenerate 300-115 Exam Study Guides With New Update Exam Questions

Q1. A network engineer wants to ensure Layer 2 isolation of customer traffic using a private VLAN. Which configuration must be made before the private VLAN is configured?

A. Disable VTP and manually assign VLANs.

B. Ensure all switches are configured as VTP server mode.

C. Configure VTP Transparent Mode.

D. Enable VTP version 3.

View Answer

Q2. After port security is deployed throughout an enterprise campus, the network team has been overwhelmed with port reset requests. They decide to configure the network to automate the process of re-enabling user ports. Which command accomplishes this task?

A. switch(config)# errdisable recovery interval 180

B. switch(config)# errdisable recovery cause psecure-violation

C. switch(config)# switchport port-security protect

D. switch(config)# switchport port-security aging type inactivity

E. switch(config)# errdisable recovery cause security-violation

View Answer

Q3. A network engineer configured an Ethernet switch using these commands. Switchone(config) # Spanning-tree portfast bpdufilter default

Which statement about the spanning-tree portfast feature on the switch is true?

A. If an interface is enabled for portfast receives BDPU, the port goes through the spanning-tree listening, learning, and forwarding states.

B. If an interface is enabled for portfast receives BDPU, the port does not go through the spanning-tree listening, learning, and forwarding states.

C. If an interface is enabled for portfast receives BDPU, the port is shut down immediately.

D. If an interface is enabled for portfast receives BDPU, the port goes into the spanning- tree inconsistent state.

View Answer

Q4. Which statement about restrictions for multichassis LACP is true?

A. It is available only on a Cisco Catalyst 6500 Series chassis.

B. It does not support 1Gb links.

C. Converting a port channel to mLACP can cause a service disruption.

D. It is not available in VSS.

View Answer

Q5. For security reasons, the IT manager has prohibited users from dynamically establishing trunks with their associated upstream switch. Which two actions can prevent interface trunking? (Choose two.)

A. Configure trunk and access interfaces manually.

B. Disable DTP on a per interface basis.

C. Apply BPDU guard and BPDU filter.

D. Enable switchport block on access ports.

View Answer

Q6. Which VTP mode is needed to configure an extended VLAN, when a switch is configured to use VTP versions 1 or 2?

A. transparent

B. client

C. server

D. Extended VLANs are only supported in version 3 and not in versions 1 or 2.

View Answer

Q7. To follow the Layer 2 switching guidelines, a network engineer decides to create a separate spanning tree for every group of 10 VLANs. Which version of spanning tree is appropriate to meet the company policy?

A. MST

B. PVST+

C. RSTP

D. RPVST+

E. STP

View Answer

Q8. Which authentication service is needed to configure 802.1x?

A. RADIUS with EAP Extension

B. TACACS+

C. RADIUS with CoA

D. RADIUS using VSA

View Answer

Q9. refer to the exhibit.

f1/0 and f1/1 have the same end-to-end path cost to the designated bridge. Which action is needed to modify the Layer 2 spanning-tree network so that traffic for PC1 VLAN from switch SW3 uses switchport f1/1 as a primary port?

A. Modify the spanning-tree port-priority on SW1 f1/1 to 0 and f1/0 to 16.

B. Modify the spanning-tree port-priority on SW1 f1/1 to 16 and f1/0 to 0.

C. Modify the spanning-tree port-priority on SW2 f1/1 to 0 and f1/0 to 16.

D. Modify the spanning-tree port-priority on SW2 f1/1 to 16 and f1/0 to 0.

View Answer

Q10. When you design a switched network using VTPv2, how many VLANs can be used to carry user traffic?

A. 1000

B. 1001

C. 1024

D. 2048

E. 4095

F. 4096

View Answer