Which technology is used to provide Layer 2 and Layer 3 logical networks in the Cisco SD-Access architecture?

• A.easy virtual network
• B.VPN routing/forwarding
• C.overlay network
• D.underlay network

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Drag and drop the description from the left onto the correct QoS components on the right.

Correct Answer:

Explanation
Traffic Policing: Drops excessive Traffic, causes TCP retransmissions, introduce no delay/jitter Shaping: buffers, excessive traffic, introduce delay and jitter, typically delays, rather than drops traffic

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Refer to the exhibit.

What is the JSON syntax that is formed from the data?

• A.{"Name":"Bob Johnson", "Age": Seventyfive, "Alive": true, "Favorite Foods":["Cereal, "Mustard",
  "Onions"]}
• B.{'Name':'Bob Johnson', 'Age': 75, 'Alive': True, 'Favorite Foods': 'Cereal', 'Mustard', 'Onions'}
• C.{Name: Bob Johnson, Age: 75, Alive: true, Favorite Foods: [Cereal, Mustard, Onions]}
• D.{"Name::"Bob Johnson", "Age": 75, "Alive":true, "Favorite Foods": ["Cereal", "Mustard", "Onions"]}

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In a traditional 3 tier topology, an engineer must explicitly configure a switch as the root bridge and exclude it from any further election process for the spanning-tree domain. Which action accomplishes this task?

• A.Configure the spanning-tree priority to 32768
• B.Configure root guard and portfast on all access switch ports.
• C.Configure BPDU guard in all switch-to-switch connections.
• D.Configure the spanning-tree priority equal to 0.

Correct Answer: B

Root guard does not allow the port to become a STP root port, so the port is always STP-designated. If a better BPDU arrives on this port, root guard does not take the BPDU into account and elect a new STP root. Instead, root guard puts the port into the root-inconsistent STP state which is equal to a listening state. No traffic is forwarded across this port.

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Which two components are supported by LISP? (Choose two.)

• A.Proxy ETR
• B.spoke
• C.HMAC algorithm
• D.egress tunnel router
• E.route reflector

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