[Free] New Updated (October) Cisco 200-120 Real Exam 31-40




What value is primarily used to determine which port becomes the root port on each nonroot switch in a spanning-tree topology?


A.      path cost

B.      lowest port MAC address

C.      VTP revision number

D.      highest port priority number

E.       port priority number and MAC address


Correct Answer: A



In a switched environment, what does the IEEE 802.1Q standard describe?


A.      the operation of VTP

B.      a method of VLAN trunking

C.      an approach to wireless LAN communication

D.      the process for root bridge selection

E.       VLAN pruning


Correct Answer: B




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?




A.      Switch-1 will drop the data because it does not have an entry for that MAC address.

B.      Switch-1 will flood the data out all of its ports except the port from which the data originated.

C.      Switch-1 will send an ARP request out all its ports except the port from which the data originated.

D.      Switch-1 will forward the data to its default gateway.


Correct Answer: B








What is the function of the command switchport trunk native vlan 999 on a Cisco Catalyst switch?


A.      It creates a VLAN 999 interface.

B.      It designates VLAN 999 for untagged traffic.

C.      It blocks VLAN 999 traffic from passing on the trunk.

D.      It designates VLAN 999 as the default for all unknown tagged traffic.


Correct Answer: B




Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network? (Choose two.)


A.      802.1d

B.      VTP

C.      802.1q

D.      STP

E.       SAP


Correct Answer: AD




Which switch would STP choose to become the root bridge in the selection process?


A. &nbsp
32768: 11-22-33-44-55-66

B.      32768: 22-33-44-55-66-77

C.      32769: 11-22-33-44-55-65

D.      32769: 22-33-44-55-66-78


Correct Answer: A




A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?


A.      More collision domains will be created.

B.      IP address utilization will be more efficient.

C.      More bandwidth will be required than was needed previously.

D.      An additional broadcast domain will be created.


Correct Answer: D




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 increasing the number of broadcast domains, thus reducing their size.

E.       Broadcast storms can be mitigated by decreasing the number of broadcast domains, thus increasing their size.

F.       VLANs make it easier for IT staff to configure new logical groups, because the VLANs all belong to the same broadcast domain.

G.      Port-based VLANs increase switch-port use efficiency, thanks to 802.1Q trunks.< /p>


Correct Answer: ACD




Which IEEE standard protocol is initiated as a result of successful DTP completion in a switch over Fast Ethernet?


A.      802.3ad

B.      802.1w

C.      802.1D

D.      802.1Q


Correct Answer: D




Which of the following are benefits of VLANs? (Choose three.)


A.      They increase the size of collision domains.

B.      They allow logical grouping of users by function.

C.      They can enhance network security.

D.      They increase the size of broadcast domains while decreasing the number of collision domains.

E.       They increase the number of broadcast domains while decreasing the size of the broadcast domains.

F.       They simplify switch administration.


Correct Answer: BCE

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