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2021 Jan cbt 300-115:

Q41. A network engineer configured a fault-tolerance link on Gigabit Ethernet links G0/1, G0/2, G0/3, and G0/4 between two switches using Ethernet port-channel. Which action allows interface G0/1 to always actively forward traffic in the port-channel?

A. Configure G0/1 as half duplex and G0/2 as full duplex.

B. Configure LACP port-priority on G0/1 to 1.

C. Configure LACP port-priority on G0/1 to 65535.

D. LACP traffic goes through G0/4 because it is the highest interface ID.

Answer: B


Q42. What is the maximum number of 10 Gigabit Ethernet connections that can be utilized in an EtherChannel for the virtual switch link?

A. 4

B. 6

C. 8

D. 12

Answer: C


Q43. after configuring new data VLANs 1020 through 1030 on the VTP server, a network engineer notices that none of the VTP clients are receiving the updates. What is the problem?

A. The VTP server must be reloaded.

B. The VTP version number must be set to version 3.

C. After each update to the VTP server, it takes up to 4 hours propagate.

D. VTP must be stopped and restarted on the server.

E. Another switch in the domain has a higher revision number than the server.

Answer: B


Q44. Refer to the exhibit.

All ports are members of VLAN 10. Considering the default cost of upstream bridges to the root bridge is equal, which option will be the new root port for VLAN 10?

A. interface f0/13

B. interface f0/14

C. interface f0/15

D. interface f0/21

Answer: D


Q45. Which feature describes MAC addresses that are dynamically learned or manually configured, stored in the address table, and added to the running configuration?

A. sticky

B. dynamic

C. static

D. secure

Answer: A


Improved cisco press ccnp switch 300-115:

Q46. Which command globally enables AAA on a device?

A. aaa new-model

B. aaa authentication

C. aaa authorization

D. aaa accounting

Answer: A


Q47. Which statement about LLDP-MED is true?

A. LLDP-MED is an extension to LLDP that operates between endpoint devices and network devices.

B. LLDP-MED is an extension to LLDP that operates only between network devices.

C. LLDP-MED is an extension to LLDP that operates only between endpoint devices.

D. LLDP-MED is an extension to LLDP that operates between routers that run BGP.

Answer: A


Q48. What effect does the mac address-table aging-time 180 command have on the MAC address-table?

A. This is how long a dynamic MAC address will remain in the CAM table.

B. The MAC address-table will be flushed every 3 minutes.

C. The default timeout period will be 360 seconds.

D. ARP requests will be processed less frequently by the switch.

E. The MAC address-table will hold addresses 180 seconds longer than the default of 10 minutes.

Answer: A


Q49. A network engineer is trying to deploy a PC on a network. The engineer observes that when the PC is connected to the network, it takes 30 to 60 seconds for the PC to see any activity on the network interface card. Which Layer 2 enhancement can be used to eliminate this delay?

A. Configure port duplex and speed to auto negotiation.

B. Configure port to duplex full and speed 1000.

C. Configure spanning-tree portfast.

D. Configure no switchport.

Answer: C


Q50. While troubleshooting a network outage, a network engineer discovered an unusually high level of broadcast traffic coming from one of the switch interfaces. Which option decreases consumption of bandwidth used by broadcast traffic?

A. storm control

B. SDM routing

C. Cisco IOS parser

D. integrated routing and bridging

E. Dynamic ARP Inspection

Answer: A