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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: WAN for Enterprise Networks | 20% | - Design WAN connectivity - Design QoS for WAN - Design SD-WAN solution |
| Topic 2: Services | 10% | - Design network management - Design end-to-end QoS policy |
| Topic 3: 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 4: Enterprise Campus Security | 20% | - Design network access control - Design network security |
| Topic 5: Advanced Addressing and Routing Solutions | 25% | - Create stable, secure, and scalable routing designs for Layer 3 - Create structured addressing designs - Determine IPv6 migration strategy |
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NEW QUESTION # 408
An engineer must design a QoS solution for a customer that is connected to an ISP over a 1Gbps link with a
100Mbps CIR. The ISP aggressively drops all traffic received over which is causing numerous TCP retransmissions. The customer is not using any RTP applications but wants to maximize bandwidth usage up to the CIR. Which QoS solution engineer choose?
Answer: A
Explanation:
https://www.cisco.com/c/en/us/support/docs/quality-of-service-qos/qos-policing/19645-policevsshape.html Traffic shaping limits the rate of traffic that is sent or received over a network connection by buffering and delaying the flow of data packets. This will help to ensure that the customer is not exceeding the 100Mbps CIR that the ISP has set and also prevent the aggressive dropping of traffic. Traffic shaping will also help to maximize the bandwidth usage while still staying within the limits of the CIR.
NEW QUESTION # 409
Which design consideration must be made when dual WAN Edge routers are deployed at a branch site?
Answer: A
Explanation:
When dual WAN Edge routers are deployed at a branch, first-hop redundancy and SD-WAN overlay path preference must be aligned. The correct design consideration is that HSRP priorities on the service side should match the OMP routing policy that determines which WAN Edge is preferred. If the LAN gateway points hosts to one WAN Edge while OMP policy prefers the other edge for return or remote-site traffic, traffic can become asymmetric or hairpinned through the wrong device. Proper alignment gives predictable active/standby or active/active behavior and avoids blackholing during failover. Option A describes traditional BGP path manipulation with AS-path prepending and MED; those are not the primary SD-WAN branch dual-edge design controls. Option C overstates symmetry as a universal requirement for DPI; Cisco SD-WAN can handle many traffic patterns, but gateway and OMP alignment remain the core branch design issue. Option D is wrong because SD-WAN already uses BFD across data-plane tunnels, not as a special direct adjacency between the two local WAN Edges for this purpose. Reference topics: Cisco SD-WAN branch redundancy, HSRP, OMP policy, WAN Edge preference, service-side high availability.
NEW QUESTION # 410
A network solution is being designed for a company that connects to multiple Internet service providers. Which Cisco proprietary BGP path attribute will influence outbound traffic flow?
Answer: B
NEW QUESTION # 411
Drag and drop the descriptions from the left onto the corresponding VPN types on the rights.
Answer:
Explanation:
NEW QUESTION # 412
An engineer is designing a network for a customer running a wireless network with a common VLAN for all APs. The customer is experiencing unicast flooding in the Layer 2 network between the aggregation and access layers. The customer wants to reduce the flooding and improve convergence time. Which solution meets these requirements?
Answer: A
Explanation:
The default ARP table aging time is 4 hours while the CAM holds the entries for only 5 minutes.
The switch sends out a frame to all forwarding ports within the respective VLAN when the destination MAC address is aged out from the CAM table. You need a CAM aging timer greater or equal to the ARP timeout in order to prevent unicast flooding.
https://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-series-switches/71079-arp- cam- tableissues.html#:~:text=The%20default%20ARP%20table%20aging%20time%20is%204,ARP%
20timeout%20in%20order%20to%20prevent%20unicast%20flooding.
NEW QUESTION # 413
......
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