Cisco 200 125 Exam Questions

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1. 1 · Geral

   A network administrator needs to configure port security on a switch. Which two statements are true? (Choose two.)

   • A)The network administrator can apply port security to dynamic access ports.
   • B)The network administrator can apply port security to EtherChannels.
   • C)The sticky learning feature allows the addition of dynamically learned addresses to the running configuration.
   • D)When dynamic MAC address learning is enabled on an interface, the switch can learn new addresses, up to the maximum defined.
   • E)The network administrator can configure static secure or sticky secure MAC addresses in the voice VLAN.

2. 2 · Geral

   Which interface counter can you use to diagnose a duplex mismatch problem?

   • A)no carrier
   • B)late collisions
   • C)giants
   • D)CRC errors
   • E)deferred
   • F)runts

3. 3 · Geral

   Which switching method duplicates the first six bytes of a frame before making a switching decision?

   • A)fragment-free switching
   • B)store-and-forward switching
   • C)cut-through switching
   • D)ASIC switching

4. 4 · Geral

   Which logging command can enable administrators to correlate syslog messages with millisecond precision?

   • A)no logging console
   • B)logging buffered 4
   • C)no logging monitor
   • D)service timestamps log datetime mscec
   • E)logging host 10.2.0.21

5. 5 · Geral

   Which two spanning-tree port states does RSTP combine to allow faster convergence? (Choose two.)

   • A)blocking
   • B)learning
   • C)forwarding
   • D)discarding
   • E)listening AE

6. 6 · Geral

   Which feature can you implement to reserve bandwidth for VoIP calls across the call path?

   • A)PQ
   • B)CBWFQ
   • C)round robin
   • D)RSVP

7. 7 · Geral

   Which three statements about link-state routing are true? (Choose three.)

   • A)OSPF is a link-state protocol.
   • B)Updates are sent to a broadcast address.
   • C)It uses split horizon.
   • D)Routes are updated when a change in topology occurs.
   • E)RIP is a link-state protocol.
   • F)Updates are sent to a multicast address by default.

8. 8 · Geral

   Which command can you enter to determine whether a switch is operating in trunking mode?

   • A)show ip interface brief
   • B)show vlan
   • C)show interfaces
   • D)show interface switchport

9. 9 · Geral

   What are three benefits of implementing VLANs? (Choose three.)

   • A)A higher level of network security can be reached by separating sensitive data traffic from other network traffic.
   • B)A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure.
   • C)A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.
   • D)Broadcast storms can be mitigated by decreasing the number of broadcast domains, thus increasing their size.
   • E)Port-based VLANs increase switch-port use efficiency, thanks to 802.1Q trunks.
   • F)VLANs make it easier for IT staff to configure new logical groups, because the VLANs all belong to the same broadcast domain.
   • G)Broadcast storms can be mitigated by increasing the number of broadcast domains, thus reducing their size.

10. 10 · Geral

    Which command can you enter to view the ports that are assigned to VLAN 20?

    • A)Switch#show ip interface vlan 20
    • B)Switch#show vlan id 20
    • C)Switch#show ip interface brief
    • D)Switch#show interface vlan 20

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