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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Services | 10% | - Design end-to-end QoS policy - Design network management |
| Topic 2: Advanced Enterprise Campus Networks | 25% | - Design Layer 2 and Layer 3 campus networks - Design for high availability - Design campus network services (QoS, multicast, etc.) |
| Topic 3: WAN for Enterprise Networks | 20% | - Design WAN connectivity - Design SD-WAN solution - Design QoS for WAN |
| Topic 4: Advanced Addressing and Routing Solutions | 25% | - Create structured addressing designs - Determine IPv6 migration strategy - Create stable, secure, and scalable routing designs for Layer 3 |
| Topic 5: Enterprise Campus Security | 20% | - Design network security - Design network access control |
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NEW QUESTION # 318
An architect must design a network solution for a regional medical center that will provide interconnectivity between regionally dispersed data centers and a new colocation. The design must:
* utilize point-to-point connectivity
* utilize existing VLAN infrastructure
* increase performance for data center synchronization and backup processes
* reduce configuration complexity
Which solution must the engineer choose?
Answer: D
Explanation:
L2VPN is the correct solution because the customer requires point-to-point connectivity while preserving existing VLAN infrastructure. Cisco describes Layer 2 VPN services as emulating Layer 2 connectivity across a provider IP or MPLS backbone, commonly through Ethernet pseudowires or VPWS. This allows sites such as dispersed data centers and a colocation facility to exchange Ethernet frames as if they were directly connected at Layer 2. The design is especially useful when data center synchronization, backup workflows, or application dependencies require VLAN continuity or minimal changes to existing addressing and routing. L3VPN would provide routed connectivity and VRF separation, but it would not preserve the VLAN-based service model. GRE would add an overlay tunnel but would not natively provide provider- managed Layer 2 service. DMVPN is designed for scalable Layer 3 IPsec/GRE overlays between branches, not for VLAN extension or point-to-point data center interconnect. Reference topics: L2VPN, VPWS, Ethernet pseudowire, VLAN extension, data center interconnect, WAN service design.
NEW QUESTION # 319
The customer solution requires QoS to support streaming multimedia over a WAN. An architect chooses to use Per-Hop Behavior. Which solution should the engineer use to of mark traffic traveling between branch sites?
Answer: D
NEW QUESTION # 320
Which consideration must be taken into account when using the DHCP relay feature in a Cisco SD-Access Architecture?
Answer: A
Explanation:
https://www.cisco.com/c/en/us/td/docs/cloud-systems-management/network-automation-and-management
/dna-center/tech_notes/sda_dhcp/b_cisco_sda_dhcp.html
NEW QUESTION # 321
An engineer is working for a large cable TV provider that requires multiple sources streaming video on different channels using multicast with no rendezvous point. Which multicast protocol meets these requirements?
Answer: A
NEW QUESTION # 322
Refer to the exhibit. A network architect is preparing a network design based on the EIGRR.
Routers are connected using a cat6a cable type and the inter-router connection speed is limited to 10 Mbps due to distance. During the pilot phase, a DUAL-3-SIA error message is visible.
Which action must the engineer take to create a stable design?
Answer: D
Explanation:
The DUAL-3-SIA error in EIGRP typically indicates a stuck-in-active state, which occurs when a router is unable to find a route to the destination within the expected timeframe. This can be caused by various factors, such as network instability, misconfigurations, or inefficient routing information.
Considering that the DUAL-3-SIA error usually happens because of route instability or excessive route updates, creating a summary route on R2 can help simplify the routing table and stabilize the design.
NEW QUESTION # 323
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