[Free] 2017(Oct) Dumps4cert Testinsides Cisco 200-120 Dumps with VCE and PDF Download 51-60

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CCNA Cisco Certified Network Associate CCNA

Question No: 51 – (Topic 2)

Refer to the exhibit.

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Each of these four switches has been configured with a hostname, as well as being configured to run RSTP. No other configuration changes have been made. Which three of these show the correct RSTP port roles for the indicated switches and interfaces? (Choose three.)

  1. SwitchA, Fa0/2, designated

  2. SwitchA, Fa0/1, root

  3. SwitchB, Gi0/2, root

  4. SwitchB, Gi0/1, designated

  5. SwitchC, Fa0/2, root

  6. SwitchD, Gi0/2, root

Answer: A,B,F

Question No: 52 – (Topic 2)

What does a Layer 2 switch use to decide where to forward a received frame?

  1. source MAC address

  2. source IP address

  3. source switch port

  4. destination IP address

  5. destination port address

  6. destination MAC address

Answer: F

Question No: 53 – (Topic 2)

What is one benefit of PVST ?

  1. PVST supports Layer 3 load balancing without loops.

  2. PVST reduces the CPU cycles for all the switches in the network.

  3. PVST allows the root switch location to be optimized per VLAN.

  4. PVST automatically selects the root bridge location, to provide optimized bandwidth usage.

Answer: C

Question No: 54 – (Topic 2)

Refer to the exhibit.

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How should the FastEthernet0/1 ports on the 2950 model switches that are shown in the exhibit be configured to allow connectivity between all devices?

  1. The ports only need to be connected by a crossover cable.

  2. SwitchX(config)# interface fastethernet 0/1 SwitchX(config-if)# switchport mode trunk

  3. SwitchX(config)# interface fastethernet 0/1 SwitchX(config-if)# switchport mode access SwitchX(config-if)# switchport access vlan 1

  4. SwitchX(config)# interface fastethernet 0/1 SwitchX(config-if)# switchport mode trunk SwitchX(config-if)# switchport trunk vlan 1 SwitchX(config-if)# switchport trunk vlan 10 SwitchX(config-if)# switchport trunk vlan 20

Answer: B

Question No: 55 – (Topic 2)

Why will a switch never learn a broadcast address?

  1. Broadcasts only use network layer addressing.

  2. A broadcast frame is never forwarded by a switch.

  3. A broadcast address will never be the source address of a frame.

  4. Broadcast addresses use an incorrect format for the switching table.

  5. Broadcast frames are never sent to switches.

Answer: C

Question No: 56 – (Topic 2)

Refer to the exhibit.

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Which two statements are true about interVLAN routing in the topology that is shown in the exhibit? (Choose two.)

  1. Host E and host F use the same IP gateway address.

  2. Router1 and Switch2 should be connected via a crossover cable.

  3. Router1 will not play a role in communications between host A and host D.

  4. The FastEthernet 0/0 interface on Router1 must be configured with subinterfaces.

  5. Router1 needs more LAN interfaces to accommodate the VLANs that are shown in the exhibit.

  6. The FastEthernet 0/0 interface on Router1 and the FastEthernet 0/1 interface on Switch2 trunk ports must be configured using the same encapsulation type.

Answer: D,F

Question No: 57 – (Topic 2)

Three switches are connected to one another via trunk ports. Assuming the default switch configuration, which switch is elected as the root bridge for the spanning-tree instance of VLAN 1?

  1. the switch with the highest MAC address

  2. the switch with the lowest MAC address

  3. the switch with the highest IP address

  4. the switch with the lowest IP address

Answer: B

Question No: 58 – (Topic 2)

Refer to the exhibit.

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Why has this switch not been elected the root bridge for VLAN1?

  1. It has more than one interface that is connected to the root network segment.

  2. It is running RSTP while the elected root bridge is running 802.1d spanning tree.

  3. It has a higher MAC address than the elected root bridge.

  4. It has a higher bridge ID than the elected root bridge.

Answer: D

Question No: 59 – (Topic 2)

Which command enables RSTP on a switch?

  1. spanning-tree uplinkfast

  2. spanning-tree mode rapid-pvst

  3. spanning-tree backbonefast

  4. spanning-tree mode mst

Answer: B

Question No: 60 – (Topic 2)

Refer to the exhibit.

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At the end of an RSTP election process, which access layer switch port will assume the discarding role?

  1. Switch3, port fa0/1

  2. Switch3, port fa0/12

  3. Switch4, port fa0/11

  4. Switch4, port fa0/2

  5. Switch3, port Gi0/1

  6. Switch3, port Gi0/2

Answer: C

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