OSPF is implemented over a pseudowire Layer 2 VPN. Which statement about this design implementation is true?

• A.The IP MTU must be the same on both PE devices
• B.The physical interface MTU must be the same between the CE and PE devices
• C.The IP MTU must be the same on both CE devices
• D.The IP MTU must be the same on the CE and PE devices

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AS100 and AS200 each have two peering points in different parts of their network. AS100 would like to use one of the links and keep the other link as backup. What should be changed for the design inside AS100 for prefixes received from AS200?

• A.MED
• B.local preference
• C.AS-PATH
• D.weight

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You are a network designer and have been asked to consult with your server operations team to further enhance the security of the network. The operations team provides you with these details about the network:
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 would you recommend to enhance security by limiting traffic that could originate from a hacker compromising a workstation and redirecting flows at the servers?

• A.Poison certain subnets by adding static routes to Null0 on the server farm core switches.
• B.Unicast Reverse Path Forwarding in strict mode
• C.Access control lists to limit sources of traffic that exits the server-facing interface of the firewall cluster
• D.Unicast Reverse Path Forwarding in loose mode

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What advantage of placing the IS-IS layer 2 flooding domain boundary at the core Layer in a three-layer hierarchical network is true?

• A.The Layer 1 and Layer 2 domains can easily overlap
• B.It reduces the complexity of the Layer 1 domains
• C.The Layer 2 domain is contained and more stable
• D.It can be applied to any kind of topology

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Two medium-sized companies recently merged and would like to share their two campus buildings as soon as possible. Employees should be able to sit and work in either building.
If the IP addresses in the networks overlap, which virtualization technology could be deployed quickly to achieve the business objective?

• A.VRF-LITE
• B.MPLS-VPN
• C.L2TPv3
• D.EoMPLS

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