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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Software-Defined Access (SDA) | 5% | - SD-Access architecture - Fabric design and deployment - Control plane and data plane design |
| Topic 2: Advanced Addressing and Routing Solutions | 25% | - IPv4 and IPv6 addressing design
|
| Topic 3: Security Services | 10% | - Secure connectivity - Security architecture design
|
| Topic 4: Advanced Enterprise Campus Networks | 25% | - Layer 3 campus design
|
| Topic 5: WAN for Enterprise Networks | 20% | - VPN design
- WAN connectivity options
|
| Topic 6: Network Services | 15% | - IP services
|
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NEW QUESTION # 273
Refer to the exhibit. An architect designed a BGP routing solution to reduce the number of IBGP peerings to conserve resources. The original design had 66 IBGP peerings. How many peerings does this design need?
Answer: A
Explanation:
The design uses BGP route reflectors to reduce the full-mesh IBGP requirement. Each cluster has one route reflector peering with two clients, giving eight client-to-reflector peerings across four clusters. The four route reflectors must also peer with each other in a full mesh, adding six peerings. This results in a total of fourteen IBGP peerings.
NEW QUESTION # 274
Refer to the exhibit. An engineer is designing a routing solution for a customer. The design must ensure that a failure of network 10.1.0.0/24, 10.1.2.0/24, 10.2.1.0/24, or 10.2.3.0/24 does not impact the core. It also requires fast convergence time during any link failover in the core or access networks.
Which solution must the engineer select?
Answer: C
NEW QUESTION # 275
An engineer must design a QoS solution for a customer. The network currently supports data only, but the customer will roll out VoIP and IP video in conjunction with the new QoS solution.
The engineer plans to use DiffServ. To ensure priority for voice services, which model must the design include?
Answer: D
NEW QUESTION # 276
An architect must design an IPv6 migration solution for a corporation with remote offices to support:
- The customer has IPv4 peering with their service provider.
- IPv6 users need access to IPv4 and IPv6 resources.
- Existing content providers will migrate to IPv6 in the next two
years.
- Users will be migrated in a phase-by-phase approach.
Which migration solution must the architect choose?
Answer: C
NEW QUESTION # 277
Mobile service provider "A" is going to launch 5G support with the ISP "B" IP network backbone as the underlay transport. Conversational traffic type will be marked with expedited forwarding class, streaming services will be marked with assured forwarding 2 class, and web browsing will be marked with assured forwarding 3 class. Which QoS model meets these requirements if the solution is to be implemented end to end on the ISP_B backbone network?
Answer: B
Explanation:
An 8-class QoS strategy with the DiffServ model supports end-to-end service differentiation across an IP backbone using DSCP markings such as expedited forwarding for conversational traffic and assured forwarding classes for streaming and web traffic. DiffServ is the scalable QoS model typically used across provider backbone networks because traffic is classified and treated by class rather than requiring per-flow reservations.
NEW QUESTION # 278
......
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