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| Section | Weight | Objectives |
|---|---|---|
| Software-Defined Access (SDA) | 5% | - Control plane and data plane design - Fabric design and deployment - SD-Access architecture |
| Advanced Enterprise Campus Networks | 25% | - Layer 3 campus design
|
| Advanced Addressing and Routing Solutions | 25% | - Routing protocol design
|
| WAN for Enterprise Networks | 20% | - WAN connectivity options
- VPN design
|
| Security Services | 10% | - Security architecture design
|
| Network Services | 15% | - Quality of Service (QoS)
- IP services
|
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NEW QUESTION # 111
An engineer working for a service provider with an employee ID: 4863:43:939 must design a solution to provide remote connectivity over the public internet. The design must:
* securely connect multiple remote sites to the central site
* provide redundant paths to the central site
* allow auto path selection based on failure and connection quality
* support IP multicast
* minimal configuration at remote sites
Which solution must the engineer choose?
Answer: C
NEW QUESTION # 112
A company requires a private WAN design that allows remote sites to connect to HQ. The design must ensure that:
* traffic is always encrypted
* forwarding overhead is reduced
* management of security is centralized
* multicast traffic is supported
Which technology must the company select?
Answer: A
Explanation:
GET VPN is the correct technology for this private WAN requirement. Cisco Group Encrypted Transport VPN secures unicast and multicast traffic over a private WAN using IPsec encryption and group key management. Its key advantage is that it preserves the original packet header instead of building permanent point-to-point tunnels, which reduces forwarding overhead compared with GRE/IPsec or DMVPN overlays.
Cisco describes GET VPN as using a centralized key server to distribute group keys and security policy to group members, satisfying the requirement for centralized security management. It also supports multicast efficiently because the core or provider network can perform multicast replication while the traffic remains encrypted. IPsec point-to-point would not scale well across many remote sites and lacks group key management. mGRE alone does not encrypt traffic. DMVPN Phase 3 supports dynamic encrypted tunnels and spoke-to-spoke communication, but it still relies on tunnel encapsulation and does not reduce overhead the way GET VPN does on a private WAN. Reference topics: GET VPN, GDOI, IPsec group encryption, private WAN, multicast encryption.
NEW QUESTION # 113
Drag and drop the Cisco SD-WAN components from the left onto their definitions on the right.
Answer:
Explanation:
NEW QUESTION # 114
Which PIM mode uses a shared tree only?
Answer: B
Explanation:
The correct answer is bidirectional PIM. Cisco describes bidirectional PIM as a multicast mode designed for many-to-many applications where traffic is forwarded only along a shared tree rooted at the rendezvous point.
Unlike traditional PIM Sparse Mode, BIDIR-PIM does not build source-specific shortest-path trees for each active source. That design reduces multicast state in the network because routers maintain group state rather than separate source and group state for every sender. PIM Sparse Mode initially uses a shared tree through the RP, but it can switch to source trees after receivers and routers learn the active source. Dense mode floods and prunes and is not a shared-tree-only model. Source-specific multicast explicitly uses source-specific joins and does not use an RP-based shared tree. The wording "shared tree only" is the key distinction: BIDIR-PIM is built for scalable many-to-many multicast, accepts some non-shortest-path forwarding tradeoff, and avoids per-source state growth. Therefore, the stored answer must be corrected to bidirectional. Reference topics:
BIDIR-PIM, shared trees, rendezvous points, many-to-many multicast scaling, PIM-SM source-tree behavior.
NEW QUESTION # 115 
Refer to the exhibit. An architect must create a stable and scalable EIGRP solution for a customer. The design must:
*conserve bandwidth, memory, and CPU processing
*prevent suboptimal routing
*avoid any unnecessary queries
Which two solutions must the architect select? (Choose two.)
Answer: A,B
NEW QUESTION # 116
......
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