Pass Guaranteed Quiz Cisco - 400-007 - Cisco Certified Design Expert (CCDE) Written Exam First-grade Pdf Dumps

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Cisco 400-007 Exam is a challenging exam that requires extensive preparation and study. Candidates are encouraged to take training courses and practice exams to help them prepare for the exam. Cisco offers a variety of training courses and study materials to help candidates prepare for the exam, including self-paced e-learning courses, instructor-led training courses, and practice exams.

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Cisco 400-007 exam is a certification exam for network designers who wish to validate their skills and knowledge in designing complex and large-scale networks. It is also known as the Cisco Certified Design Expert (CCDE v3.0) Written exam. 400-007 Exam is designed to test the candidate's skills in designing, analyzing, and optimizing complex network infrastructures.

Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q449-Q454):

NEW QUESTION # 449
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. Deploy uRPF strict mode.
D. Poison certain subnets by adding static routes to Null0 on the core switches connected to the pool of servers.

Answer: A

NEW QUESTION # 450
Which two aspects are considered when designing a dual hub dual DMVPN cloud topology? (Choose two )

A. will only work with single-tier headend architecture
B. recommended for high availability
C. hub sites must connect to both DMVPN clouds
D. spoke-to-spoke traffic will transit the hub unless spokes exchange dynamic routing directly
E. requires all sites to have dual Internet connections

Answer: A,B

NEW QUESTION # 451
Which interface allows a controller to program the data plane forwarding tables of a networking device?

A. Northbound interface
B. Application programming interface
C. Southbound interface
D. Controller interface

Answer: C

Explanation:
# Explanation:
B: The southbound interface connects the SDN controller to the networking devices (e.g., switches/routers).
Protocols like OpenFlow, NETCONF, or OpFlex allow the controller to program flow tables and influence forwarding behavior.
Other options:
A: "Controller interface" is not a standard architectural term.
C: APIs are a general concept; the specific interface for data-plane programming is southbound.
D: Northbound interfaces connect applications to the controller-not to devices.
#

NEW QUESTION # 452
You are designing the QoS policy for a company that is running many TCP-based applications. The company is experiencing tail drops for these applications. The company wants to use a congestion avoidance technique for these applications. Which QoS strategy can be used to fulfill the requirement?

A. first-in first-out
B. low-latency queuing
C. weighted fair queuing
D. weighted random early detection

Answer: D

NEW QUESTION # 453
Which service abstracts away the management of the operating system, middleware, and runtime?

A. PaaS
B. laaS
C. SaaS
D. MaaS

Answer: A

NEW QUESTION # 454
......

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