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Designing Cisco Network Service Architectures
Question No: 221
A network design engineer has been asked to reduce the size of the SPT on an IS-IS broadcast network.
Which option should the engineer recommend to accomplish this task?
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Configure the links as point-to-multipoint.
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Configure QoS in all links.
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Configure a new NET address.
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Configure the links as point-to-point.
Answer: D
Question No: 222
Which two of these are recommended practices with trunks? (Choose two.)
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use ISL encapsulation
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use 802.1q encapsulation
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set ISL to desirable and auto with encapsulation negotiate to support ISL protocol negotiation
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use VTP server mode to support dynamic propagation of VLAN information across the network
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set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.
Answer: B,E Explanation:
quot;As a recommended practice, when configuring switch-to-switch interconnections to carry multiple VLANs,set Dynamic Trunking Protocol (DTP) to Desirable and Desirable with Encapsulation Negotiate to support DTP negotiation.quot;
Question No: 223
To support the enterprise high-availability requirements, which workgroup switch technology can be used to interconnect multiple switches into a single logical unit?
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StackWise
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EtherChannel
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vPC
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Flex Links
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VSS
Answer: A
Question No: 224
A network manager wants to securely connect a new remote site to the existing headquarters site using a VPN technology that meets security requirements. Which VPN technology should be used?
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GRE
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IPsec
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remote-access VPN
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L2TP VPN
Answer: B
Question No: 225
Engineer is designing QoS for application. Which QoS architecture should he choose if application needs to have reserved bandwidth prior to sending data?
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Differentiated services
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Integrated services
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LLQ
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ToS
Answer: B
Question No: 226
Which statement is the most accurate regarding IPsec VPN design for an Enterprise Campus environment?
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VPN device IP addressing must align with the existing Campus addressing scheme.
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The choice of a hub-and-spoke or meshed topology ultimately depends on the number of remotes.
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Sizing and selection of the IPsec VPN headend devices is most affected by the throughput bandwidth requirements for the remote offices and home worker
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Scaling considerations such as headend configuration, routing protocol choice, and topology have the broadest impact on the design.
Answer: D
Question No: 227
Which Cisco feature can be run on a Cisco router that terminates a WAN connection, to gather and provide WAN circuit information that helps switchover to dynamically back up the WAN circuit?
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Cisco Express Forwarding
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IP SLA
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Passive interface
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Traffic shaping
Answer: B
Question No: 228
Which two ways to support secure transport of multicast traffic are true? (Choose two.)
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Use spoke-to-spoke design.
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Use IPsec over GRE tunnel.
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Use GET VPN.
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Use NBMA instead of broadcast.
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Disable encryption for multicast traffic.
Answer: B,C Explanation:
GET VPN = Group Encrypted Transport VPN. It is tunnel-less and can support multicast traffic
Question No: 229
Which VRF component ensures control plane separation between the different Layer 3 VPNs?
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FIB
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routing protocol instance
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RIB
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a subset of the router interfaces
Answer: B
Question No: 230 DRAG DROP
Answer:
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