Free 642-812 download :cisco CCNP Building Converged Cisco Multilayer Switched Networks exam
Certification Provider: cisco
Exam Name: 642-812 – Building Converged Cisco Multilayer Switched Networks
Related Certifications: CCNP
Language: English
Latest update:2010-05-01
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642-812 BCMSN
Building Converged Cisco Multilayer Switched Networks
Exam Number: 642-812
Associated Certifications: CCNP, CCIP, CCDP
Duration: 90 minutes (50-60 questions)
Available Languages: English, Japanese
Click Here to Register: Pearson VUE
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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).
Cisco 642-812
BCMSN – Building Converged Cisco Multilayer Switched Networks
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QUESTION NO: 1
Multiple Spanning Tree (MST) is an IEEE standard inspired from the Cisco proprietary Multiple Instances Spanning Tree Protocol (MISTP) implementation. Which three statements about the Multiple Spanning Tree (MST) protocol (IEEE 802.1s) are true? (Choose three.)
A. To verify the MST configuration, the show pending command can be used in MST
configuration mode.
B. When RSTP and MSTP are configured, UplinkFast and BackboneFast must also be enabled.
C. Enabling MST with the spanning-tree mode mst global configuration command also enables RSTP.
D. An MST region is a group of MST switches that appear as a single virtual bridge to adjacent CST and MST regions.
Answer: A, C, D
QUESTION NO: 2
Refer to the exhibit. The web servers WS_1 and WS_2 need to
be accessed by external and internal users. For security reasons, the servers should not communicate with each other, although they are located on the same subnet.
The servers do need, however, to communicate with a database server located in the inside network. What configuration will isolate the servers from each other?
A. The switch ports 3/1 and 3/2 will be defined as secondary VLAN isolated ports. The
ports connecting to the two firewalls will be defined as primary VLAN promiscuous ports.
B. The switch ports 3/1 and 3/2 and the ports connecting to the two firewalls will be defined as primary VLAN community ports.
C. The switch ports 3/1 and 3/2 and the ports connecting to the two firewalls will be defined as primary VLAN promiscuous ports.
D. The switch ports 3/1 and 3/2 will be defined as secondary VLAN community ports.
The ports connecting to the two firewalls will be defined as primary VLAN promiscuous ports.
Answer: A
QUESTION NO: 3
Refer to the exhibit. Which Catalyst switch interface command would be used to cause the switch CB-SW1 to instruct the phone to override the incoming CoS from the PC before forwarding the packet to the switch
A. switchport priority extend none
B. switchport priority extend trust
C. switchport priority extend cos 2
D. switchport priority extend cos 11
Answer: C
QUESTION NO: 4
Two switches CB-SA and CB-SB are connected as shown below: Given the below partial configuration, which two statements are true about VLAN traffic? (Choose two.)
A. VLANs 1-5 will be blocked if fa0/10 goes down.
B. VLANs 6-10 have a port priority of 128 on fa0/10.
C. VLANs 6-10 will use fa0/10 as a backup only.
D. VLANs 1-10 are configured to load share between fa0/10 and fa0/12.
Answer: C, D
QUESTION NO: 5
What else will happen for successful VTP communication in a domain when a VTP server is configured for VTP version 2?
A. The VTP configuration revision number must be reset.
B. All other switches in the domain must be version 2 capable.
C. A VTP version 2 password must be set.
D. All other switches must be configured for VTP version 2.
Answer: B
QUESTION NO: 6
Place the DTP mode with its correct description. Answer & Explanation Correct Answer Explanations No more information available
Answer: Pending. Send your suggestion to web@crambible.com
QUESTION NO: 7
DAI is a security feature that validates ARP packets in a network. The DAI feature has been implemented in the CramBible switched
LAN. Which three statements are true about the dynamic ARP inspection (DAI)
feature? (Choose three.)
A. DAI can be performed on ingress ports only.
B. DAI should be enabled on the root switch for particular VLANs only in order to secure the ARP caches of hosts in the domain.
C. DAI is supported on access ports, trunk ports, EtherChannel ports, and private VLAN
ports.
D. DAI should be configured on all access switch ports as untrusted and on all switch ports connected to other switches as trusted.
Answer: A, C, D
sat
Comment by satyesh — March 8, 2010 @ 6:35 am