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Advanced Enterprise Campus Networks

This part makes up 25% of the whole content and measures the professionals’ knowledge of specific technical areas. These include the following:

Explaining overlay, underlay, security, automation, wireless, control & data plan of SD-Access architecture;
Designing the infrastructures for campus Layer 2, such as fast convergence, PoE & WoL, STP scalability, and loop-free technologies;
Explaining the considerations for the SD-Access fabric design for wired and wireless access. These include fabric design, overlay, border design, control plan design, segmentation, as well as scalability, multicast, virtual networks, and over-the-top & fabric for wireless.
Designing the infrastructures for multicampus Layer 3 (route summarization, convergence, VRFs, load sharing, redistribution, route filtering, and optimal topologies);
Designing the campus network for high availability, including BFD, first-hop redundancy protocols, Graceful restart, and platform abstraction methods;

Cisco Designing Cisco Enterprise Networks Sample Questions (Q240-Q245):

NEW QUESTION # 240
Which two statements about VRRP advertisements are true? (Choose two.)

A. They include priority information.
B. They include VRRP timer information.
C. They are sent from the master router and standby routers.
D. They are sent every three seconds by default.
E. They are sent only from the master router.

Answer: A,C

NEW QUESTION # 241
Which two LISP components are required in the Cisco SD-Access fabric control plane node? (Choose two.)

A. Ingres Tunnel Router
B. ETR
C. Engross Tunnel Router
D. Map-Resolver
E. Map-Server Proxy

Answer: D,E

Explanation:
The Cisco SD-Access fabric control-plane node requires the LISP Map-Resolver and Map-Server functions.
In SD-Access, fabric edge nodes register locally attached endpoints with the control-plane node, and other fabric nodes query the control plane when they need to locate a destination endpoint. The Map-Server stores Endpoint Identifier to Routing Locator bindings, while the Map-Resolver resolves lookup requests and returns mapping information so the source edge node can encapsulate traffic toward the correct remote fabric node.
Ingress Tunnel Router and Egress Tunnel Router roles are performed by fabric edge or border nodes that encapsulate and decapsulate user traffic, not by the dedicated control-plane function. The option labeled Map- Server Proxy reflects the map-server role used in the answer set, while the Map-Resolver is explicitly required. This separation lets SD-Access provide host mobility, anycast gateway behavior, and scalable endpoint reachability without flooding. Reference topics: Cisco SD-Access control plane, LISP, Map-Server, Map-Resolver, EID-to-RLOC mapping, fabric edge registration.

NEW QUESTION # 242
Refer to the exhibit. An architect designs a BGP policy for a customer that requires load sharing of the links that connect with the upstream service provider. The customer has these requirements:
- The inbound traffic destined to network 10 1 1.0/24 must transit the
R3-R1 link, and if the link fails, all inbound traffic must transit the R4-R2 link.
- The inbound traffic destined to network 10 1 2 0/24 must transit the
R4-R2 link and if the link fails, all inbound traffic should transit
the R3-R1 link.
Which solution must the architect choose?

A. - R1 must announce prefix 10.1.1.0/24 with the route map applied to the neighbor using set as- path prepend 64512 64512
- R2 must announce prefix 10.1.2.0/24 with the route map applied to the neighbor using set as- path prepend 64512 64512
B. - R1 must announce prefix 10.1.2.0/24 with a community attribute 64513:200 and prefix
10.1.1.0/24 with a community attribute 64513:300
- R2 must announce prefix 10.1.2.0/24 with a community attribute 64513 300 and prefix
10.1.1.0/24 with a community attribute 64513:200
C. - R1 must announce prefix 10.1.2.0/24 with the route map applied to the neighbor using set as- path prepend 64512 64512
- R2 must announce prefix 10.1.1.0/24 with the route map applied to the neighbor using set as- path prepend 64512 64512
D. - R1 must announce prefix 10.1.2.0/24 with a community attribute 64513:300 and prefix
10.1.1.0/24 with a community attribute 64513 200
- R2 must announce prefix 10.1.2.0/24 with a community attribute 64513 200 and prefix
10.1.1.0/24 with a community attribute 64513:300

Answer: C

NEW QUESTION # 243
Refer to the exhibit. A customer experienced an unexpected network outage when the link between R1 and R2 went down. An architect must design a solution to ensure network continuity in the event the link tails again. Which solution should the design include?

A. Make Area 0 L2-only.
B. Make R31 an L1 router.
C. Make R3 an L1L2 router.
D. Make R11 an L2 router.

Answer: C

NEW QUESTION # 244

Refer to the exhibit. The distribution switches serve as the layer 3 boundary. HSRP preemption is enabled.
When the primary switch comes back after a failure, traffic is initially dropped. Which solution must be implemented to improve the design?

A. Increase the hello timers on both HSRP devices
B. Use the preempt delay feature on the primary HSRP device.
C. Configure a higher mac-refresh interval on both HSRP devices
D. Use the preempt delay feature on the backup HSRP device

Answer: B

NEW QUESTION # 245
......

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