Rebirth Cisco 300-115 exam dumps

Q1. 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

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Q2. A network engineer must improve bandwidth and resource utilization on the switches by stopping the inefficient flooding of frames on trunk ports where the frames are not needed. Which Cisco IOS feature can be used to achieve this task?

A. VTP pruning

B. access list

C. switchport trunk allowed VLAN

D. VLAN access-map

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Q3. For security reasons, the IT manager has prohibited users from dynamically establishing trunks with their associated upstream switch. Which two actions can prevent interface trunking? (Choose two.)

A. Configure trunk and access interfaces manually.

B. Disable DTP on a per interface basis.

C. Apply BPDU guard and BPDU filter.

D. Enable switchport block on access ports.

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Q4. which feature is automatically enabled when a voice VLAN is configured, but not automatically disabled when a voice VLAN is removed?

A. portfast

B. port-security

C. spanning tree

D. storm control

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Q5. Refer to the exhibit.

Why would the switch be considered as a root bridge?

A. The bridge priority is 1 and all ports are forwarding.

B. The switch priority for VLAN 1 and the macro specifies "This Bridge is the root".

C. The bridge priority is 128.19 and all ports are forwarding.

D. The switch priority value is zero, it has the lowest priority value for VLAN 1.

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Q6. In which portion of the frame is the 802.1q header found?

A. within the Ethernet header

B. within the Ethernet payload

C. within the Ethernet FCS

D. within the Ethernet source MAC address

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Q7. After the recent upgrade of the switching infrastructure, the network engineer notices that the port roles that were once "blocking" are now defined as "alternate" and "backup." What is the reason for this change?

A. The new switches are using RSTP instead of legacy IEEE 802.1D STP.

B. IEEE 802.1D STP and PortFast have been configured by default on all newly implemented Cisco Catalyst switches.

C. The administrator has defined the switch as the root in the STP domain.

D. The port roles have been adjusted based on the interface bandwidth and timers of the new Cisco Catalyst switches.

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Q8. Which statement about Cisco Discovery Protocol configuration on a Cisco switch is true?

A. CDP is enabled by default and can be disabled globally with the command no cdp run.

B. CDP is disabled by default and can be enabled globally with the command cdp enable.

C. CDP is enabled by default and can be disabled globally with the command no cdp enable.

D. CDP is disabled by default and can be enabled globally with the command cdp run.

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Q9. 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

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Q10. After port security is deployed throughout an enterprise campus, the network team has been overwhelmed with port reset requests. They decide to configure the network to automate the process of re-enabling user ports. Which command accomplishes this task?

A. switch(config)# errdisable recovery interval 180

B. switch(config)# errdisable recovery cause psecure-violation

C. switch(config)# switchport port-security protect

D. switch(config)# switchport port-security aging type inactivity

E. switch(config)# errdisable recovery cause security-violation

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