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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Control, Data, Management Plane and Operational Design | 25% | - Design control plane routing architectures
|
| Topic 2: Business Strategy Design | 15% | - Assess business goals and drivers
|
| Topic 3: Network Design | 30% | - Design resilient and scalable campus architectures
|
| Topic 4: Service Design | 15% | - Design infrastructure and network virtualization
|
| Topic 5: Security Design | 15% | - Design secure infrastructure controls
|
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NEW QUESTION # 294
[Main Topic: Security, Automation, and Policy Integration in Design]
A company is adopting IPv6 in a dual-stack campus network. The first IPv6-only application is now hosted in the data center. To prevent a malicious user from masquerading as the IPv6 default gateway, which two mechanisms should be used? (Choose two)
Answer: A,C
Explanation:
# Comprehensive and Detailed Explanation (CCDE v3.1 aligned):
A). IPv6 RA Guard:This feature helps mitigate rogue router advertisements (RAs), which attackers can use to spoof the default gateway in an IPv6 environment. RA Guard drops unauthorized or unexpected RAs at the access layer switch ports, preventing malicious devices from advertising themselves as routers.
E). Port ACLs (PACLs):Port-based ACLs can restrict which devices are allowed to send or receive RA packets on switch ports. By tightly controlling which sources can send traffic (including RA messages), port ACLs help prevent spoofing attempts.
Other Options:
# B. IPv6 Snooping:Not a standard or widely supported security feature; it is sometimes used synonymously with device tracking but is not a direct mitigation for spoofed RAs.
# C. IPv6 Device Tracking:Useful for monitoring IP-to-MAC bindings, but it does not prevent spoofing or gateway impersonation.
# D. IPv6 Address Glean:Primarily used for learning IPv6 addresses from traffic for things like DHCPv6 relay; not a security feature.
CCDE Blueprint Alignment:
Topic: Security, automation, and policy integration in design
Subdomain: IPv6 security, access control, rogue device prevention.
Let me know if you ' d like the next question explained!
NEW QUESTION # 295
An enterprise requires MPLS connected branches to access cloud-based Microsoft 365 services over an SD-WAN solution. Internet access Is available only at dual regional hub sites that are connected to the MPLS network. Which connectivity method provides an optimum access method to the cloud-based services If one ISP suffers loss or latency?
Answer: B
NEW QUESTION # 296
As network designer, which option is your main concern with regards to virtualizing multiple network zones into a single hardware device?
Answer: A
Explanation:
When multiple virtualized network zones (such as VRFs, virtual firewalls, or logical partitions) are consolidated onto a single physical device, the primary concern is:
* A (Fate sharing): A single hardware failure, software crash, or resource exhaustion event could simultaneously impact all virtualized zones, creating a shared risk across multiple otherwise isolated services.
Other options explained:
* B: CPU resource allocation can be controlled via resource management but is not the primary risk.
* C: Congestion control is typically a traffic engineering issue, not a virtualization risk.
* D: Security isolation can be maintained through proper virtualization boundaries.
* E: Bandwidth can be managed through QoS and resource allocation.
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NEW QUESTION # 297
What are three examples of solution components of the network infrastructure that help enforce security policy compliance on all devices as they seek to access the network and computing resources, thereby limiting damage from emerging security threats such as viruses worms and spyware? (Choose three.)
Answer: A,B,D
Explanation:
#Explanation:
* A: Posture agents assess the health of endpoints (e.g., antivirus status, OS patching).
* B: Decision servers (e.g., Cisco ISE) enforce access decisions based on posture and policies.
* E: Network access devices (e.g., switches, WLCs, routers) apply access controls based on server instructions (802.1X, NAC).
Other options:
* C: Management tools are for visibility-not enforcement.
* D: While useful, endpoint AV/firewalls act independently-not part of policy enforcement infrastructure.
* F: Web filters do not participate in initial access decisions.
NEW QUESTION # 298
An architect prepares a network design for a startup company. The design must be able to meet business requirements while the business grows and divests due to rapidly changing markets. What is the highest priority in this design?
Answer: D
NEW QUESTION # 299
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