Cisco 300-115 Online Practice Questions and Exam Preparation

Cisco 300-115 Online Questions & Answers

• Question 101:

  Which keyword can be applied to the spanning-tree priority command that allows the IT department to adjust the timers based on the number of switches between any two end stations?

  A. root primary
  B. priority
  C. cost
  D. diameter
  E. hello-time
  D. diameter

• Question 102:

  Refer to the exhibit.

  

  Which spanning-tree feature is configured on this interface?

  A. The command spanning-tree mst1 vlan 10, 20, 30, 40 in the global configuration mode was entered.
  B. The command spanning-tree portfast trunk in the interface configuration mode was entered.
  C. The command spanning-tree vlan 10, 20, 30, 40 root primary in the interface configuration mode for faster convergence.
  D. The command shut then a no shutdown in the interface configuration mode was entered.
  E. The command spanning-tree portfast in the interface configuration mode was entered.
  B. The command spanning-tree portfast trunk in the interface configuration mode was entered.

• Question 103:

  There was another Exhibit about port priority- Core switch connected to 2 dis switches which connected 2 ASW. PC1 is connected to DSW1 and DSW2 (Root Bridge). Link connected from PC1 to DSW2 is 4Gbps and DSW1 is 10Gbps. There is etherchannel trunk between DSW1 and DSW2. Default port prioirty is configured. Change in port priority so traffic goes through DSW1 to DSW2

  A. DSW1: spanning-tree port priority 16
  B. DSW1: interface g1/0
  C. DSW2: spanning-tree port priority 16
  D. DSW2: interface g1/0
  E. DSW1: spanning-tree port priority 0
  A. DSW1: spanning-tree port priority 16
  B. DSW1: interface g1/0

• Question 104:

  On which layer does IP source guard provide filtering to prevent a malicious host from impersonating the IP address of a legitimate host?

  A. Layer 1
  B. Layer 2
  C. Layer 3
  D. Layer 7
  B. Layer 2

• Question 105:

  A question about UDLD port disable.

  A. When a link is repaired, the admistrator must enter udld reset command to recover disabled interfaces
  B. When a link is repaired, the administrator must enter err-disable recovery cause udld command to recover disabled interfaces
  C. UDLD puts the port in STP inconsistent port mode
  D. https://www.certbus.com/300-115.html
  C. UDLD puts the port in STP inconsistent port mode

• Question 106:

  Which statement about SPAN are true?

  A. It is an industry-standard protocol for mirroring traffic.
  B. SPAN destinations participate in spanning-tree instances.
  C. It uses a specific VLAN to transfer mirrored traffic.
  D. It mirrors traffic from a source port to a destination port on the same switch only.
  E. SPAN destinations also can be SPAN sources.
  D. It mirrors traffic from a source port to a destination port on the same switch only.

• Question 107:

  Which feature do you implement so that a physical port enter the loop inconsistent state if it fails to receive BPDUs?

  A. loop guard
  B. loop disable
  C. root guard
  D. flex links
  E. BPDU ignore
  F. loop block
  A. loop guard

• Question 108:

  Which two TLVs are included in Cisco Discovery Protocol advertisements? (Choose two)

  A. Native VLAN TLV
  B. VTP Management Domain TLV
  C. Network Policy TLV
  D. System Name TLV
  E. Inventory Management TLV
  A. Native VLAN TLV
  B. VTP Management Domain TLV

• Question 109:

  If EtherChannel guard is configured, how the interface status is (or looks like) if misconfigured?

  A. errdisabled
  B. shutdown
  A. errdisabled

• Question 110:

  A question about port security violation occur in which two circumstances? (Choose two.)

  A. When a port with secure MAC address attempt to use a different port in same VLAN.
  B. When the same MAC addresses enters a port more than once.
  C. When the CAM table overflows with dynamically learned MAC address.
  D. When the port has received more MAC address than allowed.
  E. When sticky MAC address learning is enabled and the port has a link down condition.
  A. When a port with secure MAC address attempt to use a different port in same VLAN.
  D. When the port has received more MAC address than allowed.