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| Section | Weight | Objectives |
|---|---|---|
| Advanced Enterprise Campus Networks | 25% | - Layer 2 campus design
- Layer 3 campus design
|
| Security Services | 10% | - Security architecture design
|
| Software-Defined Access (SDA) | 5% | - Fabric design and deployment - Control plane and data plane design - SD-Access architecture |
| WAN for Enterprise Networks | 20% | - VPN design
|
| Network Services | 15% | - Quality of Service (QoS)
- IP services
|
| Advanced Addressing and Routing Solutions | 25% | - IPv4 and IPv6 addressing design
|
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NEW QUESTION # 92
An engineer is working for a large cable TV provider that requires multiple sources streaming video on different channels using multicast with no rendezvous point. Which multicast protocol meets these requirements?
Answer: A
Explanation:
PIM Source-Specific Multicast is the correct multicast protocol when receivers can subscribe to traffic from known sources and the design must avoid rendezvous points. SSM uses the (S,G) model, where receivers explicitly join a multicast group from a specific source. Because the source is known at join time, the network does not need a shared tree or RP discovery process. This makes SSM attractive for broadcast-style streaming applications, such as video channels, where each stream source is known and receivers subscribe to specific channels. PIM Sparse Mode and Any-Source Multicast use an RP to allow receivers to discover active sources, so they do not meet the requirement of no rendezvous point. BIDIR-PIM also relies on an RP-rooted shared tree and is optimized for many-to-many applications rather than source-specific broadcast channels.
For a large cable TV provider streaming multiple video channels from defined sources, SSM simplifies the multicast control plane, eliminates RP dependency, and scales efficiently by creating only the source-specific state required by active receivers.
NEW QUESTION # 93
An architect is creating a migration strategy for a large organization in which the choice made by the application between IPv6 and IPv4 is based on the DNS request. Which migration strategy does the architect choose?
Answer: A
NEW QUESTION # 94
Drag and drop the properties from the left onto the protocols they describe on the right.
Answer:
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/166/b_166_programmability_cg/ b_166_programmability_cg_chapter_01011.html
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/169/b_169_programmability_cg/ configuring_yang_datamodel.html
NEW QUESTION # 95
Which solution allows overlay VNs to communicate with each other in an SD-WAN Architecture?
Answer: C
Explanation:
Section: WAN for Enterprise Networks
NEW QUESTION # 96 
Refer to the exhibit. An engineer must optimize the traffic flow of the network. Which change provides a more efficient design between the access and the distribution layer?
Answer: B
NEW QUESTION # 97
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