You were tasked to enhance the security of a network with these characteristics:
* A pool of servers is accessed by numerous data centers and remote sites
* The servers are accessed via a cluster of firewalls
* The firewalls are configured properly and are not dropping traffic
* The firewalls occasionally cause asymmetric routing of traffic within the server data center.
Which technology should you recommend to enhance security by limiting traffic that could originate from a hacker compromising a workstation and redirecting flows at the servers?

• A.Deploy uRPF loose mode
• B.Limit sources of traffic that exit the server-facing interface of the firewall cluster with ACLs.
• C.Poison certain subnets by adding static routes to Null0 on the core switches connected to the pool of servers.
• D.Deploy uRPF strict mode.

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What statement describes the application layer as defined in the software-defined networking architecture?

• A.This layer contains programs that communicate their desired network behavior to controllers.
• B.This layer processes the instructions and requirements sent by networking components.
• C.This layer is responsible for collecting the network status such as network usage and topology.
• D.This layer is responsible for handling packets based on the rules provided by the controller.

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Refer to the exhibit.

Which impact of using three or more ABRs between the backbone area and area 1 is true?

• A.Multiple ABRs reduce the CPU processing on each A6R due to splitting prefix advertisement
• B.In a large-scale network multiple ABRs can create microloops.
• C.Prefixes from the non-backbone area are advertised by one ABR to the backbone
• D.In a large-scale network LSA replication by all ABRs can cause serious scalability issues

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While designing a switched topology, in which two options is UplinkFast recommended? (Choose two )

• A.on distribution layer switches
• B.on the core switches
• C.on access layer switches
• D.when switches of different spanning-tree types are connected (for example. 802.1d connecting to
  802.1w)
• E.when hello timers are changed to more aggressive values

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An enterprise wants to migrate an on-premises network to a cloud network, and the design team is finalizing the overall migration process. Drag and drop the options from the left into the correct order on the right.

Correct Answer:

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