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17 Cards in this Set
- Front
- Back
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Which of the following is a layer 2 protocol used to maintain a loop-free network?
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STP
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What command will display the forward/filter table?
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show mac address-table
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What is the result of segmenting a network with a bridge (switch)?
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It increases the number of collision domains ; It makes smaller collision domains
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Which statement describes a spanning-tree network that has converged?
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All switch and bridge ports are in either the forwarding or blocking state.
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What is the purpose of Spanning Tree protocol in a switched LAN?
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To prevent switching loops in networks with redundant paths.
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What are the three distinct functions of layer 2 switching that increase available bandwidth on the network? (3)
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Address learning ; Forwarding and filtering ; Loop Avoidance
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Your switch has a port status LED that is alternating between green and amber. What does this indicate?
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The port is experiencing errors.
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A switch creates seperate collision domains but one broad cast domain. A router provides a separate broadcast domain. True or False?
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True, memorize that shit. You fag.
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What does a switch do when a frame is received on an interface and the destination hardware address is unknown or not in the filter table?
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Floods the network with the frame looking for the device.
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If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?
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Add the source address and port to the MAC address table and forward the frame out the destination port.
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If you want to run the new 802.1w on your switches, which of the following would allowing you run this protocol?
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Switch(config)#spanning-tree mode 802.1w
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In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?
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In an improperly implemented redundant topology.
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Which command was used to produce the following output: MEOW?
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show mac address-table
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If you want to disable STP on a port connected to a server,which command would you use?
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spanning-tree portfast
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Layer 2 switching provides which of the following? (4)
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Hardware-based bridging (ASIC) ; Wire speed ; Low latency ; Low cost
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You need to allow one host to be permitted to attach dynamically to each switch interface. Which two commands must you configure on your catalyst switch to meet this policy?
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Switch(config-if)#switchport port-security maximum 1 ;switch(config-if)#switchport port-security violation shutdown
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You have two switches connected together with two crossover cables for redundancy, and STP is disabled. Which of the following will happen between the switches?
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Broadcast storms will occur on the switched network.
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