642-811 Exam

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Exam : Cisco 642-811
Title : Building Cisco Multilayer Switched Networks(BCMSN)


1. Which is a valid multicast MAC address?
A. 00-00-00-FA-11-67
B. 01-00-E0-56-AE-3C
C. 00-01-E0-A8-B2-C1
D. 01-00-5E-0A-08-CF
E. FF-FF-FF-FF-FF-FF
Answer: D

2. Refer to the exhibit.
On the basis of the information provided in the exhibit, which two sets of procedures are best practices for Layer 2 and 3 failover alignment? (Choose two.)
A. Configure the D-SW1 switch as the active HSRP router and the STP root for all VLANs. Configure the D-SW2 switch as the standby HSRP router and backup STP root for all VLANs.
B. Configure the D-SW2 switch as the active HSRP router and the STP root for all VLANs. Configure the D-SW1 switch as the standby HSRP router and backup STP root for all VLANs.
C. Configure the D-SW1 switch as the active HSRP router and the STP root for VLANs 11 and 110. Configure the D-SW2 switch as the active HSRP router and the STP root for VLANs 12 and 120.
D. Configure the D-SW1 switch as the standby HSRP router and the backup STP root for VLANs 12 and 120. Configure the D-SW2 switch as the standby HSRP router and the backup STP root for VLANs 11 and 110.
E. Configure the D-SW1 switch as the standby HSRP router and the STP root for VLANs 11 and 110. Configure the D-SW2 switch as the standby HSRP router and the STP root for VLANs 12 and 120.
F. Configure the D-SW1 switch as the active HSRP router and the backup STP root for VLANs 11 and 110. Configure the D-SW2 switch as the active HSRP router and the backup STP root for VLANs 12 and 120.
Answer: CD

3. A network is configured with VLANs 1 through 802.1 Q trunking is enabled between all switches. Currently, access ports for VLAN 3 exist only on Switch3 and Switch6. What must the administrator do to ensure that the other switches do not receive unnecessary broadcast packets for VLAN 3 while still allowing all other VLAN packets to cross?
A. Configure VTP pruning.
B. Configure Switch3 and Switch6 as transparent switches.
C. Configure Switch1, Switch2, Switch4 and Switch5 as transparent switches.
D. Nothing is required. Only Switch3 and Switch6 will receive VLAN3 packets by default.
Answer: A

4. What action should a network administrator take to enable VTP pruning on an entire management domain?
A. enable VTP pruning on any client switch in the domain
B. enable VTP pruning on every switch in the domain
C. enable VTP pruning on any switch in the management domain
D. enable VTP pruning on a VTP server in the management domain
Answer: D

5. Which two multicast IP addresses can be represented by the multicast MAC address 0100.5e0A.0A07? (Choose two.)
A. 228.10.10.7
B. 228.10.10.8
C. 228.10.138.7
D. 229.11.10.7
E. 229.138.10.7
F. 229.138.10.8
Answer: AE

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