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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?
A. PVST+
B. PortFast
C. BackboneFast
D. UplinkFast
E. Loop Guard
F. UDLD
Answer: D
A network engineer must adjust the STP interface attributes to influence root
port selection. Which two elements are used to accomplish this? (Choose two.)
A. port-priority
B. cost
C. forward-timers
D. link type
E. root guard
Answer: AB
After UDLD is implemented, a Network Administrator
noticed that one port stops receiving UDLD packets. This port continues to
reestablish until after eight failed retries. The port then transitions into
the errdisable state. Which option describes what causes the port to go into the
errdisable state?
A. Normal UDLD operations that prevent traffic loops.
B. UDLD port is configured in aggressive mode.
C. UDLD is enabled globally.
D. UDLD timers are inconsistent.
Answer: B
After reviewing UDLD status on switch ports, an engineer notices that the.”
Which statement describes what this indicates about the status of the port?
A. The port is fully operational and no known issues are detected.
B. The bidirectional status of “unknown” indicates that the port will go
into the disabled state because it stopped receiving UDLD packets from its
neighbor.
C. UDLD moved into aggressive mode after inconsistent acknowledgements
were detected.
D. The UDLD port is placed in the “unknown” state for 5 seconds until
the next UDLD packet is received on the interface.
Answer: A
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A network engineer tries to configure storm control on
an EtherChannel bundle. What is the result of the configuration?
A. The storm control settings will appear on the EtherChannel, but not
on the associated physical ports.
B. The configuration will be rejected because storm control is not
supported for EtherChannel.
C. The storm control configuration will be accepted, but will only be
present on the physical interfaces.
D. The settings will be applied to the EtherChannel bundle and all
associated physical interfaces.
Answer:
D
300-115Dumps
What is the function of NSF?
A. forward traffic simultaneously using both supervisors
B. forward traffic based on Cisco Express Forwarding
C. provide automatic failover to back up supervisor in VSS mode
D. provide nonstop forwarding in the event of failure of one of the
member supervisors
Answer: D
What is the result of the configuration?
A. The EtherChannels would not form because the load-balancing method
must match on the devices.
B. The EtherChannels would form and function properly even though the
load-balancing and EtherChannel modes do not match.
C. The EtherChannels would form, but network loops would occur because
the load-balancing methods do not match.
D. The EtherChannels would form and both devices would use the dst-ip
load-balancing method because Switch1 is configured with EtherChannel mode
active.
Answer: B
A network engineer deployed a switch that operates the
LAN base feature set and decides to use the SDM VLAN template. The SDM template
is causing the CPU of the switch to spike during peak working hours. What is
the root cause of this issue?
A. The VLAN receives additional frames from neighboring switches.
B. The SDM VLAN template causes the MAC address-table to overflow.
C. The VLAN template disables routing in hardware.
D. The switch needs to be rebooted before the SDM template takes effect.
Answer: C
An access switch has been configured with an EtherChannel port. After
configuring SPAN to monitor this port, the network administrator notices that
not all traffic is being replicated to the management server. What is a cause
for this issue?
A. VLAN filters are required to ensure traffic mirrors effectively
B. SPAN encapsulation replication must be enabled to capture
EtherChannel destination traffic.
C. The port channel can be used as a SPAN source, but not a destination.
D. RSPAN must be used to capture EtherChannel bidirectional traffic.
Answer: C
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