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| Section | Objectives |
|---|---|
| Topic 1: Enterprise Network Design Principles | - Scalability and high availability design - Design methodologies and best practices |
| Topic 2: Network Services Design | - Multicast and QoS design considerations - Routing protocols design (OSPF, EIGRP, BGP) |
| Topic 3: Security Design in Enterprise Networks | - Segmentation and access control design - VPN and perimeter security architecture |
| Topic 4: Enterprise Campus Network Design | - Campus LAN architecture - Spine-leaf and hierarchical design models |
| Topic 5: WAN and Edge Connectivity Design | - Traditional WAN and internet edge design - SD-WAN architecture and design considerations |
| Topic 6: Network Automation and Programmability | - API-driven network automation concepts - Controller-based networking design |
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NEW QUESTION # 165
Refer to the exhibit.
Refer to the exhibit. An engineer is designing a BGP solution for a client that peers with ISP1 for full Internet connectivity and with ISP2 for direct exchange of routes for several third parties. Which action, when implemented on the edge routers, enables the client network to reach the Internet through ISP1?
Answer: B
NEW QUESTION # 166
An engineer must connect a new remote site to an existing OSPF network. The new site consists of two low-end routers, one for WAN, and one for LAN. There is no demand for traffic to pass through this are a. Which area type does the engineer choose to provide minimal router resources utilization, while still allowing for full connectivity to the rest of the network?
Answer: D
NEW QUESTION # 167
An engineer must ensure that traffic is evenly distributed across servers that process and respond to incoming requests.
Which type of IPv6 address must be used?
Answer: D
Explanation:
An IPv6 anycast address is assigned to multiple servers, allowing incoming requests to be routed to an available server advertising the same address based on routing proximity. This supports distributed request processing and improves service availability and performance.
NEW QUESTION # 168
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: D
Explanation:
Because the wireless access points must remain in a common VLAN, the practical design is to align the HSRP active gateway with the spanning-tree root bridge for that VLAN. Unicast flooding commonly occurs when a Layer 2 domain is stretched between aggregation and access layers and the traffic path becomes asymmetric. If the HSRP active gateway is on one aggregation switch while STP forwards the Layer 2 path through a different aggregation switch, return traffic can be forced across inter-switch links and CAM table aging can create flooding conditions. Cisco campus design guidance emphasizes aligning Layer 2 and Layer 3 forwarding roles so the active default gateway and spanning-tree root are colocated for each VLAN.
Migrating to routed access is usually the best long-term design, but it requires the APs to run on separate VLANs; the question states they use a common VLAN. Reducing ARP timers to match CAM timers can help some flooding cases, but it is not the core design fix offered here. Reference topics: HSRP and STP alignment, unicast flooding, Layer 2 campus design, wireless AP VLAN design.
NEW QUESTION # 169 
Refer to the exhibit. An architect must design an IP addressing scheme for a multisite network connected via a WAN transit. The campus site must accommodate 12,000 devices and the branch sites must accommodate
1,000 devices. Which address scheme optimizes network device resources, contains convergence events to the different blocks of the network, and ensures future growth of the network?
* * Campus: 10.0.0.0/18
* Branch1: 10.0.192.0/21
* Branch2: 10.0.200.0/21
* * Campus: 10.0.0.0/16
* Branchi: 10.255.0.0/20
* Branch2: 10.255.16.0/20
* * Campus: 10.0.0.0/10
* Branch1: 10.64.0.0/10
* Branch2: 10.128.0.0/10
* * Campus: 10.0.0.0/20
Answer: B
NEW QUESTION # 170
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