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2018 July Cisco Official New Released 200-120
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CCNA Cisco Certified Network Associate CCNA
Question No: 71 – (Topic 2)
Which term describes a spanning-tree network that has all switch ports in either the blocking or fowarding state?
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converged
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redundant
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provisioned
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spanned
Answer: A
Question No: 72 – (Topic 2)
Refer to Exhibit:
How many broadcast domains are shown in the graphic assuming only the default VLAN is configured on the switches?
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one
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two
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six
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twelve
Answer: A
Question No: 73 – (Topic 2)
Refer to the exhibit.
A network administrator is configuring an EtherChannel between SW1 and SW2. The SW1 configuration is shown. What is the correct configuration for SW2?
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interface FastEthernet 0/1 channel-group 1 mode active switchport trunk encapsulation dot1q switchport mode trunk
interface FastEthernet 0/2 channel-group 1 mode active
switchport trunk encapsulation dot1q switchport mode trunk
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interface FastEthernet 0/1 channel-group 2 mode auto switchport trunk encapsulation dot1q
switchport mode trunk interface FastEthernet 0/2 channel-group 2 mode auto
switchport trunk encapsulation dot1q switchport mode trunk
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interface FastEthernet 0/1 channel-group 1 mode desirable switchport trunk encapsulation dot1q switchport mode trunk
interface FastEthernet 0/2 channel-group 1 mode desirable
switchport trunk encapsulation dot1q switchport mode trunk
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interface FastEthernet 0/1 channel-group 1 mode passive switchport trunk encapsulation dot1q switchport mode trunk
interface FastEthernet 0/2 channel-group 1 mode passive
switchport trunk encapsulation dot1q switchport mode trunk
Answer: C
Question No: 74 – (Topic 2)
VLAN 3 is not yet configured on your switch. What happens if you set the switchport access vlan 3 command in interface configuration mode?
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The command is rejected.
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The port turns amber.
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The command is accepted and the respective VLAN is added to vlan.dat.
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The command is accepted and you must configure the VLAN manually.
Answer: C
Question No: 75 – (Topic 2)
Refer to the exhibit.
Switch-1 needs to send data to a host with a MAC address of 00b0.d056.efa4. What will Switch-1 do with this data?
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Switch-1 will drop the data because it does not have an entry for that MAC address.
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Switch-1 will flood the data out all of its ports except the port from which the data originated.
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Switch-1 will send an ARP request out all its ports except the port from which the data originated.
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Switch-1 will forward the data to its default gateway.
Answer: B
Question No: 76 – (Topic 2)
Refer to the exhibit.
The network administrator normally establishes a Telnet session with the switch from host
A. However, host A is unavailable. The administrator#39;s attempt to telnet to the switch from host B fails, but pings to the other two hosts are successful. What is the issue?
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Host B and the switch need to be in the same subnet.
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The switch interface connected to the router is down.
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Host B needs to be assigned an IP address in VLAN 1.
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The switch needs an appropriate default gateway assigned.
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The switch interfaces need the appropriate IP addresses assigned.
Answer: D
Question No: 77 – (Topic 2)
What are three benefits of implementing VLANs? (Choose three.)
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A higher level of network security can be reached by separating sensitive data traffic from other network traffic.
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A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure.
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A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.
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Broadcast storms can be mitigated by increasing the number of broadcast domains, thus reducing their size.
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Broadcast storms can be mitigated by decreasing the number of broadcast domains, thus increasing their size.
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VLANs make it easier for IT staff to configure new logical groups, because the VLANs all
belong to the same broadcast domain.
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Port-based VLANs increase switch-port use efficiency, thanks to 802.1Q trunks.
Answer: A,C,D
Question No: 78 – (Topic 2)
Which three statements about RSTP are true? (Choose three.)
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RSTP significantly reduces topology reconverging time after a link failure.
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RSTP expands the STP port roles by adding the alternate and backup roles.
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RSTP port states are blocking, discarding, learning, or forwarding.
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RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.
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RSTP also uses the STP proposal-agreement sequence.
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RSTP uses the same timer-based process as STP on point-to-point links.
Answer: A,B,D
Question No: 79 – (Topic 2)
Which port state is introduced by Rapid-PVST?
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learning
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listening
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discarding
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forwarding
Answer: C
Question No: 80 – (Topic 2)
What value is primarily used to determine which port becomes the root port on each nonroot switch in a spanning-tree topology?
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path cost
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lowest port MAC address
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VTP revision number
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highest port priority number
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port priority number and MAC address
Answer: A
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