Cisco Certified Design Expert (CCDE v3.0) Written (400-007) - Cisco Actual Exam Questions
Last updated on April 15, 2026
A company requires an RPO of less than 10 seconds to ensure business continuity. Which technology should be deployed?
geographically dispersed data centers with asynchronous replication
a single data center with duplicated infrastructure, dual PSUs, and a UPS
geographically dispersed data centers with synchronous replication
a single data center with duplicated infrastructure and dual PSUs
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What are two common approaches to analyzing and designing networks? (Choose two.)
bottom-up approach
high-low security approach
top-down approach
left-right approach
three-tier approach
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Company XYZ asks for design recommendations for Layer 2 redundancy. The company wants to prioritize fast convergence and resiliency elements. In the design. Which two technologies are recommended? (Choose two.)
Design MLAG/MC-LAG into the network wherever possible.
Configure DHCP snooping on the switches.
Use root guard.
Use BPDU guard.
Use UniDirectional Link Detection.
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Which feature is supported by NETCONF but is not supported by SNMP?
distinguishing between configuration data and operational data
taking administrative actions
collecting the status of specific fields
changing the configuration of specific fields
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Customer XYZ network consists of an MPLS core. IS-IS running as IGP a pair of BGP route reflectors for route propagation, and a few dozens of MPLS-TE tunnels for specific tactical traffic engineering requirements. The customer's engineering department has some questions about the use of the Overload Bit in the IS-IS networks and how it could be used to improve their current network design. Which two concepts about the Overload Bit are true? (Choose two.)
It can be set on a router during the startup process for a fixed period of time
Networks advertised within the LSPs of the respective node will become unreachable
It forces the midpoint MPLS-TE node to reoptimize the primary tunnels going through the OL node.
It can be set on a router until other interacting protocols have signaled convergence.
It is not recommended on BGP Route Reflectors
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