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BCMSN – Building Converged Cisco Multilayer Switched Networks : 642-812 Exam

642-812 BCMSN
Building Converged Cisco Multilayer Switched Networks

Exam Number: 642-812
Associated Certifications: CCNP, CCIP, CCDP
Duration: 90 minutes
Available Languages: English
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Exam Description Exam Topics Recommended Training Additional Resources
Exam Description
The Building Converged Cisco Multilayer Switched Networks (BCMSN 642-812) is a qualifying exam for the Cisco Certified Network Professional CCNP® and the Cisco Certified Design Professional CCDP® certifications. The BCMSN 642-812 exam will certify that the successful candidate has important knowledge and skills necessary to implement scalable multilayer switched networks. The exam includes topics on Campus Networks, describing and implementing advanced Spanning Tree concepts, VLANs and Inter-VLAN routing, High Availability, Wireless Client Access, Access Layer Voice concepts, and minimizing service Loss and Data Theft in a Campus Network.

Exam Topics
The following information provides general guidelines for the content likely to be included on the exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposes the guidelines below may change at any time without notice.

Implement VLANs.
Explain the functions of VLANs in a hierarchical network.
Configure VLANs (e.g., Native, Default, Static and Access).
Explain and configure VLAN trunking (i.e., IEEE 802.1Q and ISL).
Explain and configure VTP.
Verify or troubleshoot VLAN configurations.

Conduct the operation of Spanning Tree protocols in a hierarchical network.
Explain the functions and operations of the Spanning Tree protocols (i.e., RSTP, PVRST, MISTP).
Configure RSTP (PVRST) and MISTP.
Describe and configure STP security mechanisms (i.e., BPDU Guard, BPDU Filtering, Root Guard).
Configure and Verify UDLD and Loop Guard.
Verify or troubleshoot Spanning Tree protocol operations.
Configure and verify link aggregation using PAgP or LACP.

Implement Inter-VLAN routing.
Explain and configure Inter-VLAN routing (i.e., SVI and routed ports).
Explain and enable CEF operation.
Verify or troubleshoot InterVLAN routing configurations.

Implement gateway redundancy technologies.
Explain the functions and operations of gateway redundancy protocols (i.e., HSRP, VRRP, and GLBP).
Configure HSRP, VRRP, and GLBP.
Verify High Availability configurations.

Describe and configure wireless client access.
Describe the components and operations of WLAN topologies (i.e., AP and Bridge).
Describe the features of Client Devices, Network Unification, and Mobility Platforms (i.e., CCX, LWAPP).
Configure a wireless client (i.e., ADU).

Describe and configure security features in a switched network.
Describe common Layer 2 network attacks (e.g., MAC Flooding, Rogue Devices, VLAN Hopping, DHCP Spoofing, etc.)
Explain and configure Port Security,802.1x, VACLs, Private VLANs, DHCP Snooping, and DAI.
Verify Catalyst switch (IOS-based) security configurations (i.e., Port Security, 802.1x, VACLs, Private VLANs, DHCP Snooping, and DAI).

Configure support for voice.
Describe the characteristics of voice in the campus network.
Describe the functions of Voice VLANs and trust boundaries.
Configure and verify basic IP Phone support (i.e. Voice VLAN, Trust and CoS options, AutoQoS for voice).

“Building Cisco Multilayer Switched Networks”, also known as 642-812 exam, is a Cisco certification.
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QUESTION 21:
What is a characteristic of assigning a static VLAN membership?
A. VMPS server lookup is required
B. Easy to configure
C. Easy of adds, moves, and changes
D. Based on MAC address of the connected device
Answer: B
Explanation:
Static port VLAN membership on the switch is assigned manually by the administrator
on a port-by-port basis.
Characteristics of static VLAN configurations include the following:
1. Secure
2. Easy to configure
3. Straight forward to monitor
4. Works well in networks where moves, adds, and changes are rare.
Incorrect Answers:
A: VMPS server lookups are a function of dynamic VLANs and are not used with
statically assigned VLANs.
C: Moves, adds, and changes, would require a network administrator to change the
configuration of the switch every time a change is required.
D: This would describe a function of dynamic VLAN configurations, where the MAC
address of the end user determines the VLAN that it belongs in, instead of the physical
port.
QUESTION 22:

Static VLANs are being used on the Certkiller network. What is true about static
VLANs?
A. Devices use DHCP to request their VLAN.
B. Attached devices are unaware of any VLANs.
C. Devices are assigned to VLANs based on their MAC addresses.
D. Devices are in the same VLAN regardless of which port they attach to.
Answer: B
Explanation:
LAN port VLAN membership can be assigned manually on a port-by-port basis. When
you assign LAN ports to VLANs using this method, it is known as port-based, or static,
VLAN membership.
Attached devices will be unaware of any VLANs.
Incorrect Answers:
A: The DHCP service is not involved in VLAN assignment.
C: Devices are not assigned to VLAN based on their MAC addresses. This is a function
of dynamic VLANs.
D: Static VLANs are configured on a port by port basis.
Reference: Configuring VLANs
http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/121_8aex/swconfig/vlans.htm
QUESTION 23:
You are the network administrator at Certkiller and have justapplied this VLAN
access map on one of your switches:
Router(config)#vlan access-map thor 10
Router(config-access-map)#match ip address net_10
Router(config-access-map)#action forward
Router(config-access-map)#exit
Router(config)#vlan filter thor vlan-list 12-15
What will this configuration result in?
A. All VLAN 12 through 15 IP traffic matching net_10 is forwarded and all other IP
packets are dropped.
B. IP traffic matching net_10 is dropped an all other IP packets are forwarded to VLANs
12 through 15.
C. IP traffic matching vlan-list 12-15 is forwarded on all other IP packets are dropped.
D. All VLAN 12 through 15 IP traffic is forwarded, other VLAN IP traffic matching
net_10 is dropped.
Answer: A

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