Download Cisco.CertDumps.200-125.2018-01-25.1e.491q.vcex

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Exam CCNA Cisco Certified Network Associate CCNA (v3.0)
Number 200-125
File Name Cisco.CertDumps.200-125.2018-01-25.1e.491q.vcex
Size 16.68 Mb
Posted July 24, 2018
Downloaded 20



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Demo Questions

Question 1
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.



Question 2
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



Question 3
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



Question 4
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



Question 5
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



Question 6
Which feature can you implement to reserve bandwidth for VoIP calls across the call path?

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



Question 7
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.



Question 8
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



Question 9
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.



Question 10
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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