Examen Resuelto Para Certificacion De Ccna

Cisco 640-816
Interconnecting Cisco Networking Devices Part 2
Version: 11.0
Topic 1, Volume A
QUESTION NO: 1
Refer to the exhibit.
How should the FastEthernet0/1 ports on the 2950 model switches that are shown in the exhibit be
configured to allow connectivity between all devices?
A. The ports only need to be connected by a crossover cable.
B. SwitchX (config)# interface fastethernet 0/1SwitchX (config-if)# switchport mode access
SwitchX (config-if)# switchport access vlan 1
C. SwitchX (config)# interface fastethernet 0/1
SwitchX (config-if)# switchport mode trunk
SwitchX (config-if)# switchport trunk vlan 1
SwitchX (config-if)# switchport trunk vlan 10
SwitchX (config-if)# switchport trunk vlan 20
D. SwitchX(config)# interface fastethernet 0/1
SwitchX(config-if)#switchport mode trunk
Answer: D
Explanation:
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QUESTION NO: 2
Refer to the exhibit.
Which two statements are true about interVLAN routing in the topology that is shown in the
exhibit? (Choose two.)
A. Host E and host F use the same IP gateway address.
B. Router1 and Switch2 should be connected via a crossover cable.
C.Router1 will not play a role in communications between host A and host D.
D. The FastEthernet 0/0 interface on Router1 must be configured with subinterfaces.
E. Router1 needs more LAN interfaces to accommodate the VLANs that are shown in the exhibit.
F. The FastEthernet 0/0 interface on Router1 and Switch2 trunk ports must be configured using
the same encapsulation type.
Answer: D,F
Explanation:Cisco 640-816 Exam
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QUESTION NO: 3
A department decides to replace its hub with a Catalyst 2950 switch that is no longer needed by
another department. To prepare the switch for installation, the network administrator has erased
the startup configuration and reloaded the switch. However, PCs that are connected to the switch
experience variousconnectivity problems. What is a possible cause of the problem?
A. The VLAN database was not erased.
B. The management VLAN is disabled.
C. The running configuration should have been erased.
D. The "mode" button was not pressed when the switch was reloaded.
E. The switch was not configured with an IP address or a default gateway.
Answer: A
Explanation:
QUESTION NO: 4
Refer to theexhibit.
Why has this switch not been elected the root bridge for VLAN1?
A. It has more than one interface that is connected to the root network segment.
B. It is running RSTP while the elected root bridge is running 802.1d spanning tree.
C. It has a higher MAC address than the elected root bridge.
D. It has a higher bridge ID than the elected root bridge.
Answer: D
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Explanation:
QUESTION NO: 5
Refer to the exhibit.
The following commands are executed on interface fa0/1 of 2950Switch.
2950Switch(config-if)# switchport port-security
2950Switch(config-if)# switchport port-security mac-address sticky
2950Switch(config-if)# switchport port-security maximum 1
The Ethernet frame that is shown arrives on interfacefa0/1.
What two functions will occur when this frame is received by 2950Switch? (Choose two.)
A. The MAC address table will now have an additional entry of fa0/1 FFFF.FFFF.FFFF.
B. Only host A will be allowed to transmit frames on fa0/1.
C. This frame will be discarded when it is received by 2950Switch.
D. All frames arriving on 2950Switch with a destination of 0000.00aa.aaaa will be forwarded outfa0/1.
E. Hosts B and C may forward frames out fa0/1 but frames arriving from other switches will not be
forwarded out fa0/1.
F. Only frames from source 0000.00bb.bbbb, the first learned MAC address of 2950Switch, will be
forwarded out fa0/1.
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Answer: B,D
Explanation:
QUESTION NO: 6
Which two of these statements...