Examcollection offers free demo for cisco 300 115 exam. "Implementing Cisco IP Switched Networks", also known as 300 115 switch pdf exam, is a Cisco Certification. This set of posts, Passing the Cisco cisco 300 115 exam, will help you answer those questions. The cbt nuggets ccnp switch 300 115 download Questions & Answers covers all the knowledge points of the real exam. 100% real Cisco certprepare 300 115 exams and revised by experts!

Q1. which statement about the use of PAgP link aggregation on a Cisco switch that is running Cisco IOS Software is true?

A. PAgP modes are off, auto, desirable, and on. Only the combinations auto-desirable, desirable-desirable, and on-on allow the formation of a channel.

B. PAgP modes are active, desirable, and on. Only the combinations active-desirable, desirable-desirable, and on-on allow the formation of a channel.

C. PAgP modes are active, desirable, and on. Only the combinations active-active, desirable-desirable, and on-on allow the formation of a channel.

D. PAgP modes are off, active, desirable, and on. Only the combinations auto-auto, desirable-desirable, and on-on allow the formation of a channel.

Answer: A


Q2. Refer to the exhibit.

Users of PC-1 experience slow connection when a webpage is requested from the server. To increase bandwidth, the network engineer configured an EtherChannel on interfaces Fa1/0 and Fa0/1 of the server farm switch, as shown here:

Server_Switch#sh etherchannel load-balance EtherChannel Load-Balancing Operational State (src-mac): Non-IP: Source MAC address

IPv4: Source MAC address IPv6: Source IP address Server_Switch#

However, traffic is still slow. Which action can the engineer take to resolve this issue?

A. Disable EtherChannel load balancing.

B. Upgrade the switch IOS to IP services image.

C. Change the load-balance method to dst-mac.

D. Contact Cisco TAC to report a bug on the switch.

Answer: C


Q3. Refer to the exhibit.

A multilayer switch has been configured to send and receive encapsulated and tagged frames. VLAN 2013 on the multilayer switch is configured as the native VLAN. Which option is the cause of the spanning-tree error?

A. VLAN spanning-tree in SW-2 is configured.

B. spanning-tree bpdu-filter is enabled.

C. 802.1q trunks are on both sides, both with native VLAN mismatch.

D. VLAN ID 1 should not be used for management traffic because its unsafe.

Answer: C


Q4. After the implementation of several different types of switches from different vendors, a network engineer notices that directly connected devices that use Cisco Discovery Protocol are not visible. Which vendor-neutral protocol could be used to resolve this issue?

A. Local Area Mobility

B. Link Layer Discovery Protocol

C. NetFlow

D. Directed Response Protocol

Answer: B


Q5. What is the size of the VLAN field inside an 802.1q frame?

A. 8-bit

B. 12-bit

C. 16-bit

D. 32-bit

Answer: B


Q6. Refer to the exhibit.

A network engineer wants to analyze all incoming and outgoing packets for an interface that is connected to an access switch. Which three items must be configured to mirror traffic to a packet sniffer that is connected to the distribution switch? (Choose three.)

A. A monitor session on the distribution switch with a physical interface as the source and the remote SPAN VLAN as the destination

B. A remote SPAN VLAN on the distribution and access layer switch

C. A monitor session on the access switch with a physical interface source and the remote SPAN VLAN as the destination

D. A monitor session on the distribution switch with a remote SPAN VLAN as the source and physical interface as the destination

E. A monitor session on the access switch with a remote SPAN VLAN source and the physical interface as the destination

F. A monitor session on the distribution switch with a physical interface as the source and a physical interface as the destination

Answer: BCD


Q7.  a network engineer is extending a LAN segment between two geographically separated data centers. Which enhancement to a spanning-tree design prevents unnecessary traffic

from crossing the extended LAN segment?

A. Modify the spanning-tree priorities to dictate the traffic flow.

B. Create a Layer 3 transit VLAN to segment the traffic between the sites.

C. Use VTP pruning on the trunk interfaces.

D. Configure manual trunk pruning between the two locations.

Answer: C


Q8. 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


Q9. The network manager has requested that several new VLANs (VLAN 10, 20, and 30) are allowed to traverse the switch trunk interface. After the command switchport trunk allowed vlan 10,20,30 is issued, all other existing VLANs no longer pass traffic over the trunk. What is the root cause of the problem?

A. The command effectively removed all other working VLANs and replaced them with the new VLANs.

B. VTP pruning removed all unused VLANs.

C. ISL was unable to encapsulate more than the already permitted VLANs across the trunk.

D. Allowing additional VLANs across the trunk introduced a loop in the network.

Answer: A


Q10. 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