What are two benefits of virtualizing the server with the use of VMs in a data center environment? (Choose two.)

• A.speedy deployment
• B.smaller Layer 2 domain
• C.reduced rack space, power, and cooling requirements
• D.reduced IP and MAC address requirements
• E.increased security

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Which two steps are required for a complete Cisco DNA Center upgrade? (Choose two.)

• A.golden image selection
• B.automation backup
• C.proxy configuration
• D.application updates
• E.system update

Correct Answer: D,E

Explanation
A complete Cisco DNA Center upgrade includes "System Update" and "Appplication Updates"

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Which PAgP mode combination prevents an Etherchannel from forming?

• A.auto/auto
• B.desirable/desirable
• C.auto/desirable
• D.desirable

Correct Answer: A

There are two PAgP modes:

The table below lists if an EtherChannel will be formed or not for PAgP:

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Which action is a function of VTEP in VXLAN?

• A.tunneling traffic from IPv6 to IPv4 VXLANs
• B.allowing encrypted communication on the local VXLAN Ethernet segment
• C.encapsulating and de-encapsulating VXLAN Ethernet frames
• D.tunneling traffic from IPv4 to IPv6 VXLANs

Correct Answer: C

Explanation
VTEPs connect between Overlay and Underlay network and they are responsible for encapsulating frame into VXLAN packets to send across IP network (Underlay) then decapsulating when the packets leaves the VXLAN tunnel.
VTEPs connect between Overlay and Underlay network and they are responsible for encapsulating frame into VXLAN packets to send across IP network (Underlay) then decapsulating when the packets leaves the VXLAN tunnel.

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Which function does a fabric edge node perform in an SD-Access deployment?

• A.Connects the SD-Access fabric to another fabric or external Layer 3 networks
• B.Connects endpoints to the fabric and forwards their traffic
• C.Provides reachability border nodes in the fabric underlay
• D.Encapsulates end-user data traffic into LISP.

Correct Answer: B

Explanation
There are five basic device roles in the fabric overlay:
+ Control plane node: This node contains the settings, protocols, and mapping tables to provide the endpoint-to-location (EID-to-RLOC) mapping system for the fabric overlay.
+ Fabric border node: This fabric device (for example, core layer device) connects external Layer
3 networks to the SDA fabric.
+ Fabric edge node: This fabric device (for example, access or distribution layer device) connects wired endpoints to the SDA fabric.
+ Fabric WLAN controller (WLC): This fabric device connects APs and wireless endpoints to the SDA fabric.
+ Intermediate nodes: These are intermediate routers or extended switches that do not provide any sort of SD-Access fabric role other than underlay services.

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