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Cisco 400-007 exam covers a wide range of topics related to network design and architecture. Some of the topics covered include network design principles and theory, network optimization and sizing, network security, and network virtualization. 400-007 Exam also covers a range of advanced topics, such as IP multicast, MPLS, QoS, and network management.
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Cisco Certified Design Expert (CCDE v3.0) Written Exam Sample Questions (Q117-Q122):
NEW QUESTION # 117
Refer to the exhibit.
There are multiple trees in the Cisco FabricPath All switches in the Layer 2 fabric share the same view of each tree. Which two concepts describe how the multicast traffic is load-balanced across this topology? (Choose two )
Answer: A,C
NEW QUESTION # 118
Company XYZ wants to deploy OSPF. The design plan requires that two OSPF networks be mutually redistributed at multiple locations and ensure end-to-end connectivity to all of the company's networks. Which technology can be used to fulfill the requirements while avoiding the creation of routing loops?
Answer: C
Explanation:
* D (Route maps with tags): When redistributing between OSPF domains at multiple locations (mutual redistribution), route tagging is a key technique to prevent routing loops. Each ASBR applies route tags on incoming routes, and redistribution policies check these tags to prevent re-advertising routes that originated from the other domain.
Other options explained:
* A: Virtual links are for connecting discontiguous OSPF areas, not preventing redistribution loops.
* B: Router ID uniqueness is required but does not prevent loops.
* C: External type 2 redistribution doesn't inherently prevent loops.
NEW QUESTION # 119
Drag and drop the design characteristics from the left onto the correct network filter techniques on the right.
Not all options are used.
Answer:
Explanation:
NEW QUESTION # 120
Which two features control multicast traffic in a VLAN environment? (Choose two)
Answer: C,D
Explanation:
* A (IGMP Snooping): Controls IPv4 multicast traffic within VLANs by listening to IGMP join/leave messages and forwarding multicast only to interested ports.
* B (MLD Snooping): Performs similar multicast control for IPv6 multicast traffic by listening to MLD protocol messages.
* Both technologies reduce unnecessary multicast flooding inside VLANs.
Why other options are incorrect:
* C (RGMP): Controls multicast on router-connected ports, not intra-VLAN.
* D (PIM Snooping): Operates on PIM-enabled Layer 3 devices; less relevant for pure VLAN-based Layer 2 multicast control.
* E (Pruning): Refers to multicast tree pruning in Layer 3 multicast routing, not VLAN Layer 2 control.
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NEW QUESTION # 121
Refer to the exhibit.
A new high availability DB sever cluster is installed in the network.
These two servers require high bandwidth and low latency Layer 2 connectivity for database replication.
Which solution supports these requirements?
Answer: C
NEW QUESTION # 122
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