Cisco 300-115 Implementing Cisco IP Switched Networks Online Training
Cisco 300-115 Online Training
The questions for 300-115 were last updated at Sep 30,2025.
- Exam Code: 300-115
- Exam Name: Implementing Cisco IP Switched Networks
- Certification Provider: Cisco
- Latest update: Sep 30,2025
Which two statements are true of loop guard? (Choose two)
- A . Configure loop guard on a point-to-point link for an effective loop prevention mechanism
- B . Configure loop guard on a PortFast-enable port to ensure optimal loop prevention mechanism
- C . Configure loop guard when root guard is enabled for optimal loop prevention mechanism
- D . Configure loop guard to prevent root port from becoming a designated port
- E . Configure loop guard on root port to help detect and isolate unidirectional link failure
Refer to the exhibit.
What is the result of the SPAN configuration on a Cisco switch?
- A . Configure a SPAN session to monitor the received traffic on interface g0/5 for all VLANs except VLAN 3
- B . Configure a SPAN session to monitor the received traffic on interface g0/4 only for VLAN 3
- C . Configure a SPAN session to monitor the received traffic on interface go/5 only for VLAN 3
- D . Configure a SPAN session to monitor the received traffic on interface go/4 for all VLANs except VLAN 3
Refer to the exhibit.
Which option is the most likely explanation of the duplicate address message logged?
- A . spanning-tree loop
- B . HSRP misconfiguration
- C . a hardware problem
- D . a PC with IP of 10.10.1.1
Which HSRP extension allows groups to share traffic loads?
- A . GLBP
- B . MHSRP
- C . FHRP
- D . CHSRP
- E . CGMP
Refer to the exhibit.
Which two effects of this configuration are true? (Choose two)
- A . If R1 goes down, R2 becomes active and remains the active device when R1 comes back online
- B . If R2 goes down, R1 becomes active but reverts to standy when R2 comes back online
- C . Hello message are sent to multicast address 224.0.0.5
- D . R1 becomes the standby router
- E . If R1 goes down, R2 becomes active but reverts to standby when R1 come back online
- F . R1 becomes the active router
Which two statement about voice VLANs are true? (Choose two)
- A . They require PortFast to be enabled manually on the interface
- B . They support static source MAC address
- C . When they are enabled, all Cos values in incoming traffic are untrusted
- D . When they are enabled, all untagged traffic is assigned a CoS of 5
- E . They are disabled by default
- F . The VLAN number must be in the range 2000 through 4096
Which statement about Layer 2 protocol participation of ports involved in a SPAN session is true?
- A . Neither a SPAN source nor SPAN destination participates in any Layer 2 protocols
- B . A SPAN destination does not participate in any Layer 2 protocol
- C . Both SPAN source and SPAN destination participate in any Layer 2 protocol
- D . A SPAN source does not participate in any Layer 2 protocol
You have recently deployed an access switch with two fiber cables that connect it to a distribution switch in EtherChannel mode. Soon after it booted up, one of the uplink ports to the distribution switch was error-disabled.
Which option is the most likely reason for the problem?
- A . The switch is operating in UDLD aggressive mode and it failed to receive a UDLD message from the peer
- B . The port-channel detected an inconsistent configuration
- C . Spanning tree detected a loop
- D . The switch is operating in UDLD normal mode and it failed to receive a UDLD message from the peer
If Ether channel guard is configured on a device, which result happens when the device a misconfiguration on a connected device?
- A . Spanning tree is disabled for the VLANs associated with the Ether channel
- B . The port a error disabler
- C . The port generates a syslog message
- D . The Ether Channel configuration is removed from the running configuration on the device
Which type of information does the DHCP snooping binding database contain?
- A . untrusted hosts with leased IP addresses
- B . untrusted hosts with available IP addresses
- C . trusted hosts with leased IP addresses
- D . trusted hosts with available IP addresses
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