Cisco 300-115 Practice Questions
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Question No. 1
Pilot testing of the new switching infrastructure finds that when the root port is lost, STP immediately replaces the root port with an alternative root port. Which spanning-tree technology is used to accomplish backup root port selection?
E. Loop Guard
Question No. 2
What are three possible router states of HSRP routers on a LAN? (Choose three)
A, C, F Answer:
Question No. 3
Which command configures an HSRP group to become a slave of another HSRP group?
A. standby slave
B. standby group track
C. standby follow
D. standby group backup
Question No. 4
Which two statements about PortFast are true?
A. The port moves immediately to the forwarding state when a device is connected
B. it allows the port to skip the learning state only.
C. It forces the port to skip all spanning-tree states
D. It is most appropriate for ports that provide connectivity to individual workstations or servers
E. The port is error-disabled if it attempts to move into the listening or /earning states.
A, D Answer:
Question No. 5
What happens if an interface within channel group is configure as SPAN destination?
A. portchannel will forward traffic to source span
B. will not be operational
C. the link will be in error-disable
Question No. 6
Which two statements correctly describe the benefits of GLBP? (Choose two.)
A. it can load-share LAN traffic across up to four AVFs in a GLDP group
B. it uses dual active AVGs for redundancy
C. LAN traffic can be distributed to up to six routers in a GLBP group
D. It supports up to 128 virtual routers per physical interface
E. It can automatically adjust group weighting when an interface goes down.
A, E Answer:
Question No. 7
Which information in a RADIUS access-request packet is encrypted?
A. username and password
B. entire header
C. entire payload
Question No. 8
Which two statements about MST are true? (Choose two )
A. It can operate without a root bridge
B. It supports one STP instance per VLAN
C. It can map multiple VLANs to a single STP instance.
D. All VLANs must reside in a single MST region
E. It is vendor neutral
C, E Answer:
Question No. 9
You want to configure a switch interface to send untagged traffic on VLAN 10 to a neighboring switch, along with other VLANs Which two commands must you use? (Choose two.)
A. switch port trunk native vlan 1
B. switchport trunk native vlan 10
C. switchport access vlan 10
D. switchport mode trunk
E. switchport mode access
B, E Answer:
Question No. 10
Which two control protocols use the native VLAN 1 by default? (Choose two)
A, E Answer:
Question No. 11
Which two statements about StackWise are true? (Choose two.)
A. It groups multiple switch ports as a single EtherChannel.
B. It can use one IP address to communicate with n/w (network).
C. It monitors multiple switches from a central console.
D. It enables multiple switch ports to share a single master configuration.
E. It allows multiple switches to operate as a single switch.
B, E Answer:
Question No. 12
Which two statements about dynamic MAC address learning are true? (Choose two )
A. Dynamically-learned MAC addresses can be cleared on a per-interface basis only.
B. Switch interfaces learn MAC addresses dynamically by default
C. It can be disabled on a per-VLAN basis only
D. dynamically-learned MAC addresses supersede static MAC addresses
E. It must be enabled on ports with port security enabled.
B, D Answer:
Question No. 13
Based on the show spanning-tree vlan 200 output shown in the exhibit, which two statements about the STP process for VLAN 200 are true? (Choose two.)
A. BPDUs will be sent out every two seconds.
B. The time spent in the listening state will be 30 seconds.
C. The time spent in the learning state will be 15 seconds.
D. The maximum length of time that the BPDU information will be saved is 30 seconds.
E. This switch is the root bridge for VLAN 200.
F. BPDUs will be sent out every 10 seconds.
B, F Answer:
Question No. 14
What is the command for configuring root guard?
A. (config) spanning-tree guard root
B. (config-if) spanning-tree guard root
Question No. 15
Interface FastEthernet0/1 is configured as a trunk interface that allows all VLANs. This command is configured globally:
monitor session 2 filter vlan 1 – 8, 39, 52
What is the result of the implemented command?
A. All VLAN traffic is sent to the SPAN destination interface.
B. Traffic from VLAN 4 is not sent to the SPAN destination interface.
C. Filtering a trunked SPAN port effectively disables SPAN operations for all VLANs.
D. The trunk’s native VLAN must be changed to something other than VLAN 1.
E. Traffic from VLANs 1 to 8, 39, and 52 is replicated to the SPAN destination port.
Question No. 16
an EtherChannel configured and one of the port was used as SPAN
destination. What will be the result?
A. the etherchannel will not be operational because the port cannot be used as SPAN
B. etherchannel will discard the port used
C. the etherchannel will shutdown
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