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| Section | Weight | Objectives |
|---|---|---|
| Control, Data, Management Plane and Operational Design | 25% | - Automation, orchestration and model-driven management - Software-defined and controller-based solutions - Traffic flow and plane separation design - Control plane architectures: centralized, decentralized, hybrid |
| Security Design | 15% | - Segmentation, access control and policy enforcement - Threat mitigation and visibility design - Regulatory compliance and governance - Security integration in network architecture |
| Business Strategy Design | 15% | - Business continuity and sustainability design - Business requirements analysis and alignment - Cost analysis and risk management - Project management methodologies impact |
| Network Design | 30% | - Modular, resilient, scalable network architectures - Design under technical, operational and application constraints - Traditional and software-defined network design - Implementation, migration and transformation planning |
| Service Design | 15% | - Service placement and data governance - Operational resilience and compliance - Cloud connectivity and multi-service integration - Support for voice, video, IoT, storage and applications |
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NEW QUESTION # 78
What are two parameters that can be leveraged by SAML in mixed private/public cloud environments by using identity and asset management? (Choose two)
Answer: C,E
NEW QUESTION # 79 
Refer to the exhibit: A customer is migrating from a TDM-based Layer 2 VPN (L2VPN) to an MPLS Layer 3 VPN (L3VPN) in phases. The backbone OSPF connection between HUB A and HUB B will be replaced by eBGP. During the migration, some spokes (A2 and B1) are already moved to the L3VPN. The goal is to avoid routing loops during this hybrid transition.
Which design choice helps prevent routing loops during the backbone link migration?
Answer: B
Explanation:
# Comprehensive Explanation:
A: In hybrid WAN designs where routing domains are gradually migrating from OSPF to BGP, particularly with overlapping domains or redistribution points, loops can occur if the same routes are seen via multiple protocols (e.g., BGP and OSPF). Implementing route filtering on the OSPF backbone prevents it from learning and advertising spoke routes that it also receives via BGP-eliminating the loop scenario.
B: Advertising a low administrative distance (AD) for transit traffic does not prevent loops and may worsen convergence or cause routing inconsistency.
C: Summarizing OSPF routes may reduce the routing table size, but it does not solve the loop issue caused by dual protocol redistribution unless filtering is applied.
D: Redistributing EIGRP routes into BGP with a low cost might cause preference toward one path but does not address the loop risk between the hybrid segments (OSPF and BGP).
This is a classic use case for route filtering in dual-protocol or dual-backbone migrations, where ensuring consistent path selection and loop prevention is essential.
#
NEW QUESTION # 80
Refer to the exhibit.
A customer has two eBGP internet links: one primary high-speed (10 Mbps) and one backup low-speed (1 Mbps). The requirement is to use the 10M link (ISP 1) for all inbound/outbound traffic and only use the 1M link (ISP 2) during failure.
What is the correct BGP-based design solution?
Answer: B
Explanation:
# Explanation:
B: To prefer ISP 1 for outbound traffic, advertise a longer AS path to ISP 2 (so it ' s used as backup). To prefer ISP 1 for inbound traffic, you want ISP 2 to receive a higher MED, making it less preferred. These changes signal to both ISPs and remote ASes to prioritize the ISP 1 path.
Other options:
A: Local preference is set inbound by your own routers, not outbound to ISPs.
C: Local preference affects only your own AS, and more specific routes are better advertised on primary links, not secondary.
D: Advertising less specific routes does not help establish control over preference cleanly.
#
NEW QUESTION # 81
If the desire is to connect virtual network functions together to accommodate different types of network service connectivity what must be deployed?
Answer: A
Explanation:
Service chaining is the technique of connecting virtual network functions together to provide different types of network service connectivity. Service chaining uses software-defined networking (SDN) programmability to create a chain of connected network services, such as firewalls, load balancers, NAT, and intrusion protection. Service chaining can automate the provisioning of network applications that have different characteristics and requirements, such as security, latency, or quality of service (QoS). Service chaining can also optimize the use of network resources and improve application performance by using SDN analytics and performance tools to select the best available network paths and avoid network congestion. Service chaining is being used in many SDN and network functions virtualization (NFV) use cases and deployments, such as data centers, carrier networks, and virtual customer edge123. Reference:
1: What is Network Service Chaining or Service Function Chaining - SDxCentral
2: On service chaining using Virtual Network Functions in Network-enabled Cloud systems | IEEE Conference Publication | IEEE Xplore
3: Service function chaining - Gini5
NEW QUESTION # 82
Company XYZ wants to improve the security design of their network to include protection from reconnaissance and DoS attacks on their sub interfaces destined toward next hop routers.
Which technology can be used to prevent these types of attacks?
Answer: C
NEW QUESTION # 83
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