Cisco 200-125 Online Practice Questions and Exam Preparation

Cisco 200-125 Online Questions & Answers

• Question 71:

  An administrator has connected devices to a switch and, for security reasons, wants the dynamically learned MAC addresses from the address table added to the running configuration. Which action must be taken to accomplish this?

  A. Use theno switchport port-securitycommand to allow MAC addresses to be added to the configuration.
  B. Enable port security and use the keywordsticky.
  C. Set the switchport mode to trunk and save the running configuration.
  D. Use theswitchport protectedcommand to have the MAC addresses added to the configuration.
  B. Enable port security and use the keywordsticky.

• Question 72:

  Which statements describe the routing protocol OSPF? (Choose three.)

  A. It supports VLSM.
  B. It is used to route between autonomous systems.
  C. It confines network instability to one area of the network.
  D. It increases routing overhead on the network.
  E. It allows extensive control of routing updates.
  F. It is simpler to configure than RIP v2.
  A. It supports VLSM.
  C. It confines network instability to one area of the network.
  E. It allows extensive control of routing updates.

  ---

  The OSPF protocol is based on link-state technology, which is a departure from the Bellman-Ford vector based algorithms used in traditional Internet routing protocols such as RIP. OSPF has introduced new concepts such as authentication of routing updates, Variable Length Subnet Masks (VLSM), route summarization, and so forth. OSPF uses flooding to exchange link-state updates between routers. Any change in routing information is flooded to all routers in the network. Areas are introduced to put a boundary on the explosion of link-state updates. Flooding and calculation of the Dijkstra algorithm on a router is limited to changes within an area.

• Question 73:

  Which cloud service is typically used to provide operating systems services to an enterprise?

  A. SLBaaS
  B. IaaS
  C. PaaS
  D. SaaS
  C. PaaS

• Question 74:

  Which two features are compatible with port security? (Choose two)

  A. SPAN destination port
  B. voice VLAN
  C. DTP
  D. EtherChannel
  E. SPAN source port
  B. voice VLAN
  E. SPAN source port

• Question 75:

  DRAG DROP

  Order the DHCP message types as they would occur between a DHCP client and a DHCP server.

  Select and Place:

  

  

• Question 76:

  Which two of these statements regarding RSTP are correct? (Choose two.)

  A. RSTP cannot operate with PVST+.
  B. RSTP defines new port roles.
  C. RSTP defines no new port states.
  D. RSTP is a proprietary implementation of IEEE 802.1D STP.
  E. RSTP is compatible with the original IEEE 802.1D STP.
  B. RSTP defines new port roles.
  E. RSTP is compatible with the original IEEE 802.1D STP.

  ---

  When network topology changes, rapid spanning tree protocol (IEEE802.1W, referred to as RSTP) will speed up significantly the speed to re-calculate spanning tree. RSTP not only defines the role of other ports: alternative port and backup port, but also defines status of 3 ports: discarding status, learning status, forwarding status.

  RSTP is 802.1D standard evolution, not revolution. It retains most of the parameters, and makes no changes.

• Question 77:

  Refer to the exhibit.

  

  What is the effect of the given configuration?

  A. It configures an inactive switch virtual interface.
  B. It configures an active management interface.
  C. It configures the native VLAN.
  D. It configures the default VLAN.
  A. It configures an inactive switch virtual interface.

• Question 78:

  The network administrator cannot connect to Switch1 over a Telnet session, although the hosts attached to Switch1 can ping the interface Fa0/0 of the router.

  

  Given the information in the graphic and assuming that the router and Switch2 are configured properly, which of the following commands should be issued on Switch1 to correct this problem?

  A. Switch1(config)# line con0 Switch1(config-line)# password cisco Switch1(config-line)#login
  B. Switch1(config)# interface fa0/1 Switch1(config-if)# ip address 192.168.24.3 255.255.255.0
  C. Switch1(config)# ip default-gateway 192.168.24.1
  D. Switch1(config)# interface fa0/1 Switch1(config-if)# duplex full Switch1(config-if)# speed 100
  E. Switch1(config)# interface fa0/1 Switch1(config-if)# switchport mode trunk
  C. Switch1(config)# ip default-gateway 192.168.24.1

  ---

  Since we know hosts can reach the router through the switch, we know that connectivity, duplex. Speed, etc. are good. However, for the switch itself to reach networks outside the local one, the ip default-gateway command must be used.

• Question 79:

  Refer to the exhibit: What will Router1 do when it receives the data frame shown? (Choose three.)

  

  A. Router1 will strip off the source MAC address and replace it with the MAC address 0000.0c36.6965.
  B. Router1 will strip off the source IP address and replace it with the IP address 192.168.40.1.
  C. Router1 will strip off the destination MAC address and replace it with the MAC address 0000.0c07.4320.
  D. Router1 will strip off the destination IP address and replace it with the IP address of 192.168.40.1.
  E. Router1 will forward the data packet out interface FastEthernet0/1.
  F. Router1 will forward the data packet out interface FastEthernet0/2.
  A. Router1 will strip off the source MAC address and replace it with the MAC address 0000.0c36.6965.
  C. Router1 will strip off the destination MAC address and replace it with the MAC address 0000.0c07.4320.
  F. Router1 will forward the data packet out interface FastEthernet0/2.

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  Remember, the source and destination MAC changes as each router hop along with the TTL being decremented but the source and destination IP address remain the same from source to destination.

• Question 80:

  Which IPV6 feature is supported in IPV4 but is not commonly used?

  A. unicast
  B. multicast
  C. anycast
  D. broadcast
  C. anycast