Exam Code: cisco 300 115 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Implementing Cisco IP Switched Networks
Certification Provider: Cisco
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Q41. When IP Source Guard with source IP filtering is enabled on an interface, which feature must be enabled on the access VLAN for that interface?
A. DHCP snooping
B. storm control
C. spanning-tree portfast
D. private VLAN
Answer: A
Q42. Which type of information does the DHCP snooping binding database contain?
A. untrusted hosts with leased IP addresses
B. trusted hosts with leased IP addresses
C. untrusted hosts with available IP addresses
D. trusted hosts with available IP addresses
Answer: A
Q43. Which private VLAN access port belongs to the primary VLAN and can communicate with all interfaces, including the community and isolated host ports?
A. promiscuous port
B. isolated port
C. community port
D. trunk port
Answer: A
Q44. Which statement describes what happens if all VSL connections between the virtual switch
members are lost?
A. Both virtual switch members cease to forward traffic.
B. The VSS transitions to the dual active recovery mode, and both virtual switch members continue to forward traffic independently.
C. The virtual switch members reload.
D. The VSS transitions to the dual active recovery mode, and only the new active virtual switch continues to forward traffic.
Answer: D
Q45. Which option is a possible cause for an errdisabled interface?
A. routing loop
B. cable unplugged
C. STP loop guard
D. security violation
Answer: D
Q46. A server with a statically assigned IP address is attached to a switch that is provisioned for DHCP snooping. For more protection against malicious attacks, the network team is considering enabling dynamic ARP inspection alongside DHCP snooping. Which solution ensures that the server maintains network reachability in the future?
A. Disable DHCP snooping information option.
B. Configure a static DHCP snooping binding entry on the switch.
C. Trust the interface that is connected to the server with the ip dhcp snooping trust command.
D. Verify the source MAC address of all untrusted interfaces with ip dhcp snooping verify mac-address command.
Answer: B
Q47. 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
Q48. Which option is a benefit of using VSS?
A. reduces cost
B. simplifies configuration
C. provides two independent supervisors with two different control planes
D. removes the need for a First Hop Redundancy Protocol
Answer: D
Q49. 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.
Answer: C
Q50. A DHCP configured router is connected directly to a switch that has been provisioned with DHCP snooping. IP Source Guard with the ip verify source port-security command is configured under the interfaces that connect to all DHCP clients on the switch. However, clients are not receiving an IP address via the DHCP server. Which option is the cause of this issue?
A. The DHCP server does not support information option 82.
B. The DHCP client interfaces have storm control configured.
C. Static DHCP bindings are not configured on the switch.
D. DHCP snooping must be enabled on all VLANs, even if they are not utilized for dynamic address allocation.
Answer: A
