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Designing Cisco Network Service Architectures
Question No: 181
What Nexus technology avoids blocking links between the access layer and the aggregation layer in a data center network design?
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FCoE
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LACP
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vPC
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FEX
Answer: C
Question No: 182
A network engineer has implemented a looped triangle switch block design. What element must be included in the design?
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first hop redundancy protocol
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Layer 2 links between access switches
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single uplinks between access and distribution switches
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VLANs that span access switches
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Layer 3 links between distribution switches
Answer: A
Question No: 183
In which multicast configuration is MSDP most useful?
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Interdomain IPv4 PIM sparse-Mode
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Interdomain IPv4 PIM dense-Mode
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Intra-domain IPv4 PIM dense-Mode
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Intra-domain IPv4 PIM sparse-Mode
Answer: A
Question No: 184
Which virtualization technology allows for HSRP protocol to be used in the active/active configuration where both HSRP Layer 3 devices can forward network traffic?
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OTV
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VSS
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vPC
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VDC
Answer: C
Question No: 185
A network designer wants to improve security at the edge of the network and allow routing protocols to communicate without any additional configuration. What firewall mode meets the design requirements?
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routed
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zoned
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context
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transparent
Answer: D
Question No: 186
Which protocol is best when there are circuit connections with two different ISPs in a multihoming scenario ?
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VRRP
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BGP
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IPsec
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SSL
Answer: B
Question No: 187
A network engineer is designing an address plan based on network applications. Which application presents the greatest need for its own address block?
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IP telephony
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management
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multicast
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physical security
Answer: A
Question No: 188
Which two of these correctly describe Fibre Channel? (Choose two.)
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supports multiple protocols
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works only in a shared or loop environment
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allows addressing for up to 4 million nodes
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allows addressing for up to 8 million nodes
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provides a high speed transport for SCSI payloads
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may stretch to a distance of up to 100 km before needing extenders
Answer: A,E Explanation:
https://www.safaribooksonline.com/library/view/foundation-learning- guide/9780132652933/ch06.html
quot;Fibre Channel includes these features:
Addressing for up to 16 million nodes
Loop (shared) and fabric (switched) transport options
Host speeds of 100 to 400 MBps, or an effective throughput of 1 to 4 Gbps on the fabric
Segment distances of up to 6 miles (10 km)
Support for multiple protocolsquot;
Question No: 189
What data center network layer provides service module integration, Layer 2 domain definitions and default gateway redundancy?
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core
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aggregation
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access
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edge
Answer: B
Question No: 190
An organization is deploying a new load balancing environment to support sensitive applications.
The security requirements include discrete IP segments used for VIPs and for the application hosts. What load balancer mode meets the requirements?
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router
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bridge
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transparent
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pass-through
Answer: A
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