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| Section | Weight | Objectives |
|---|---|---|
| Advanced Addressing and Routing Solutions | 25% | - Create structured addressing designs - Determine IPv6 migration strategy - Create stable, secure, and scalable routing designs for Layer 3 |
| Services | 10% | - Design end-to-end QoS policy - Design network management |
| Advanced Enterprise Campus Networks | 25% | - Design campus network services (QoS, multicast, etc.) - Design Layer 2 and Layer 3 campus networks - Design for high availability |
| WAN for Enterprise Networks | 20% | - Design SD-WAN solution - Design QoS for WAN - Design WAN connectivity |
| Enterprise Campus Security | 20% | - Design network access control - Design network security |
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NEW QUESTION # 389
An engineer must choose a strategy to provide IPv6 connectivity for the ISP's IPv4 customers.
The ISP has a medium-size IT support team, so the deployment process must be simple and quick. In addition, the ISP wants to ensure the correct level of QoS and the reduction of potential security threats. Which strategy must the engineer choose?
Answer: D
Explanation:
Dual-Stack Lite (DS-Lite) enables IPv6 connectivity for IPv4 customers by tunneling IPv4 packets over an IPv6 network, requiring minimal changes to customer equipment. It simplifies deployment, supports QoS, and allows for centralized management, which also aids in security threat reduction.
NEW QUESTION # 390
An engineer is creating a design to enable IPv6 to run on an existing IPv4 IS-IS network. The IPv4 and IPv6 topologies will match exactly, and the engineer plans to use the same router levels for each protocol per interface. Which IS-IS design is required?
Answer: D
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_isis/configuration/xe-3s/irs-xe-3s-book/ip6-route-isis For single-topology IS-IS IPv6, routers must be configured to run the same set of address families. IS-IS performs consistency checks on hello packets and will reject hello packets that do not have thesame set of configured address families. For example, a router running IS-IS for both IPv4 and IPv6 will not form an adjacency with a router running IS-IS for IPv4 or IPv6 only. In order to allow adjacency to be formed in mismatched address-families network, the adjacency-check command in IPv6 address family configuration mode must be disabled.
NEW QUESTION # 391
An engineer needs to design a management network for the company. The solution has these requirements:
* overlay network does not cause routing issues
* ease of troubleshooting for the operations team
* devices are accessed securely
Which solution meets these requirements?
Answer: B
Explanation:
The correct solution is a management VRF with SSH keys for device access. A management VRF creates a separate routing and forwarding table for management traffic, keeping administrative reachability isolated from production and overlay routes. That directly satisfies the requirement that the overlay network must not cause routing issues and makes troubleshooting easier for operations teams because management reachability can be validated independently. Cisco VRF design uses separate routing tables to isolate traffic and can support overlapping addresses or independent routing policy. For secure device access, SSH with key-based authentication provides encrypted administrative sessions and stronger authentication than clear-text or password-only methods. Private VLANs and ordinary VLANs provide Layer 2 separation but do not create independent routing tables. TACACS+ and RADIUS are AAA systems; they are useful but do not define the management transport architecture. Separate physical interfaces can be useful out-of-band, but the best match for overlay isolation and operational simplicity is management VRF plus SSH keys. Reference topics:
management VRF, secure device access, SSH public-key authentication, routing-table isolation, enterprise management design.
NEW QUESTION # 392
Refer to the exhibit.
Refer to the exhibit. Customers report low video quality and delays when having point-to-point telepresence video calls between the two locations. An architect must optimize a design so that traffic follows the same path for egress and ingress traffic flows. Which technique optimizes the design?
Answer: B
NEW QUESTION # 393
A company has many spoke sites with two data centers. The company wants to exchange the routing information between the data centers and the spoke sites using EIGRP. All locations belong to a single AS, and auto-summarization is disabled. Which two actions must the company choose? (Choose two.)
Answer: C,D
NEW QUESTION # 394
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