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642-813 Implementing Cisco IP Switched Networks (SWITCH)

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Cisco 642-813 Description :

Implementing Cisco IP Switched Networks (SWITCH 642-813) is a qualifying exam for the Cisco Certified Network Professional CCNP, and Cisco Certified Design Professional CCDP certifications. The SWITCH 642-813 exam will certify that the successful candidate has important knowledge and skills necessary to to plan, configure and verify the implementation of complex enterprise switching solutions using Cisco's Campus Enterprise Architecture. The SWITCH exam also covers secure integration of VLANs, WLANs, voice and video into campus networks.

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Cisco 642-813 Exam

Question No: 1 Which statement is true about RSTP topology changes?

A. Any change in the state of the port generates a TC BPDU.B. Only nonedge ports moving to the forwarding state generate a TC BPDU.C. If either an edge port or a nonedge port moves to a block state, then a TC BPDU is generated.D. Only edge ports moving to the blocking state generate a TC BPDU.E. Any loss of connectivity generates a TC BPDU.

Answer: B

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Question No: 2

What does the command udld reset accomplish?

A. allows a UDLD port to automatically reset when it has been shut downB. resets all UDLD enabled ports that have been shutdownC. removes all UDLD configurations from interfaces that were globally enabledD. removes all UDLD configurations from interfaces that were enabled per-port

Answer: B

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Question No: 3

Which statement is true about Layer 2 security threats?

A. MAC spoofing, in conjunction with ARP snooping, is the most effective counter-measure against reconnaissance attacks that use Dynamic ARP Inspection to determine vulnerable attack points.B. DHCP snooping sends unauthorized replies to DHCP queries.C. ARP spoofing can be used to redirect traffic to counter Dynamic ARP Inspection.D. Dynamic ARP Inspection in conjunction with ARP spoofing can be used to counter DHCP snooping attacks.E. MAC spoofing attacks allow an attacking device to receive frames intended for a different network host.F. Port scanners are the most effective defense against Dynamic ARP Inspection.

Answer: E

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Question No: 4 On a Company switch named R1 you configure the following:ip arp inspection vlan 10-12, 15What is the purpose of this global configuration command made on R1?

A. Discards ARP packets with invalid IP-to-MAC address bindings on trusted portsB. Validates outgoing ARP requests for interfaces configured on VLAN 10, 11, 12, or 15C. Intercepts, logs, and discards ARP packets with invalid IP-to-MAC address bindingsD. Intercepts all ARP requests and responses on trusted portsE. None of the other alternatives apply

Answer: C

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Question No: 5 What are two methods of mitigating MAC address flooding attacks? (Choose two.)

A. Place unused ports in a common VLAN.B. Implement private VLANs.C. Implement DHCP snooping.D. Implement port security.E. Implement VLAN access maps

Answer: D,E

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Skills Learned

Ø Analyze campus network designsØ Implement VLANs in a network campusØ Implement spanning treeØ Implement inter-VLAN routing in a

campus networkØ Implement high-availability

technologies and techniques using multilayer switches in a campus environment

Ø Implement security features in a switched network

Ø Integrate WLANs into a campus network

Ø Accommodate voice and video in campus networks

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