When a GenAI application disappoints, teams often jump to the most sophisticated intervention they know: build RAG, fine-tune a model, or redesign the prompt. These methods solve different problems. The current Databricks Generative AI Engineer Associate exam and Generative AI Engineer Associate certification require engineers to choose models, prompts, source data, retrieval systems, guardrails, and evaluation strategies based on the business requirement rather than treating one technique as universally superior. Home/Databricks/Databricks Generative AI Engineer Associate: RAG, Tuning, or Prompting?DatabricksPublished October 3, 2026On this pageUse prompt design when the model…

  VXLAN EVPN can feel complicated because several control and data-plane ideas are discussed at once: leaf-spine routing, VTEPs, VXLAN tunnels, VNIs, BGP EVPN routes, anycast gateways, endpoint learning, and external connectivity. The current 350-601 DCCOR exam and CCNP Data Center certification expect engineers to understand data-center network technologies as systems, and the cleanest mental model is to separate the IP underlay from the VXLAN EVPN overlay. Home/Cisco/Cisco 350-601: VXLAN EVPN Overlay vs. UnderlayCiscoPublished October 3, 2026On this pageThe underlay is a routed IP transportThe overlay carries tenant reachability and…

Modern data centers carry enormous amounts of east-west traffic between application tiers, services, storage systems, virtual machines, containers, and distributed databases. A network designed mainly around north-south traffic can create unnecessary hierarchy and unpredictable bottlenecks when most conversations stay inside the data center. The current Cisco 350-601 DCCOR exam and Cisco CCNP Data Center certification cover the network, compute, storage, automation, and security technologies behind fabrics that make these paths more regular and resilient. Home/Cisco/Cisco 350-601: Why Data Center Fabrics Prefer Predictable East-West PathsCiscoPublished October 3, 2026On this pageEast-west traffic…

Cisco ACI becomes easier to understand when it is treated as a policy system rather than as a new way to configure switch interfaces. Traditional networking often starts with a port, VLAN, subnet, and access list. ACI starts higher: what group of endpoints is this, what connectivity does it require, and which policy should apply wherever those endpoints attach? That shift from topology-first thinking to intent-first thinking is directly relevant to the Cisco 350-601 DCCOR exam and the broader Cisco CCNP Data Center certification, because ACI is part of the…

Fibre Channel is sometimes described as a legacy technology because Ethernet dominates ordinary data-center connectivity. That framing misses why Fibre Channel remains in production: storage traffic has different failure and latency sensitivities from general IP traffic, and many enterprises value a dedicated fabric with deterministic behavior, mature multipathing, strong isolation, and decades of operational tooling. Cisco still includes Fibre Channel implementation in the Cisco 350-601 DCCOR exam and the Cisco CCNP Data Center certification, and current MDS platforms continue to support modern 32G and 64G fabrics as well as NVMe…

Virtual Port Channel, or vPC, solves a familiar data-center problem: a downstream device can use a single logical port channel across two physical Nexus switches, gaining active-active forwarding without relying on Spanning Tree to block one uplink. That improves bandwidth use and removes a common Layer 2 convergence dependency. It is also why vPC appears in the network portion of the Cisco 350-601 DCCOR exam and the Cisco CCNP Data Center certification. Home/Cisco/Cisco 350-601: vPC Solves Redundancy—But Demands Operational DisciplineCiscoPublished October 3, 2026On this pagevPC makes two physical switches look…

  Automation can configure hundreds of data-center interfaces faster than a human, but speed is useful only when the automation is acting on trustworthy intent. If a script starts from stale inventory, duplicated addresses, incorrect interface roles, or an outdated policy reference, it can reproduce the mistake across the entire fabric with perfect consistency. That is why source-of-truth design belongs beside Ansible, Python, APIs, and controller-based workflows in the automation side of the 350-601 DCCOR exam and the CCNP Data Center certification. Home/Cisco/Cisco 350-601: Data Center Automation Needs a Reliable…

A physical server normally carries identity in its hardware: MAC addresses on network interfaces, WWNs on storage adapters, firmware state, BIOS settings, boot choices, and many other attributes. Cisco UCS service profiles change that relationship by expressing the server’s identity and configuration as a managed profile that can be associated with compatible hardware. That abstraction is a core compute concept for the Cisco 350-601 DCCOR exam and the Cisco CCNP Data Center certification because it connects server operations to network, SAN, firmware, and automation policy. Home/Cisco/Cisco 350-601: UCS Service Profiles…

Quality of Service does not create bandwidth. It decides what should happen when available bandwidth, buffer space, or scheduling time is contested. In a data center that may mean protecting storage traffic, control traffic, latency-sensitive applications, or another class whose loss or delay would have disproportionate impact. That is why QoS is part of core fabric operations for the Cisco 350-601 DCCOR exam and the Cisco CCNP Data Center certification: the engineer must understand the traffic classes and failure behavior, not simply memorize policy-map syntax. Home/Cisco/Cisco 350-601: Data Center QoS…

Traditional network monitoring asks devices for information at intervals. That pull model is useful, but data-center fabrics can change faster than a five-minute poll. Microbursts, short control-plane events, transient interface errors, and rapidly moving endpoints may begin and end between polls. Streaming telemetry changes the model by allowing devices to push selected state to collectors at much higher cadence, which is why network assurance and streaming telemetry appear in the Cisco 350-601 DCCOR exam and the Cisco CCNP Data Center certification. Home/Cisco/Cisco 350-601: Streaming Telemetry Changes How Fabric Problems Are…

VXLAN extends Layer 2 segments across an IP fabric by encapsulating frames between VTEPs. Unicast traffic can follow learned endpoint reachability, but broadcast, unknown unicast, and multicast traffic—collectively BUM—still needs a replication method. The design can use underlay multicast or ingress replication, and BGP EVPN supplies control-plane information that helps VTEPs know which remote peers participate. Those mechanics sit directly inside the network objectives of the Cisco 350-601 DCCOR exam and the Cisco CCNP Data Center certification. Home/Cisco/Cisco 350-601: Multicast in VXLAN FabricsCiscoPublished October 3, 2026On this pageBUM traffic exists…

  Redundancy inside one technology does not guarantee application availability. A server can have two NICs, a fabric can have two leaf switches, and storage can have two paths while all of those “redundant” components still depend on the same rack power feed or fabric interconnect. Data-center resilience therefore starts by identifying failure domains across compute, network, and storage, not by counting duplicate components. That cross-domain reasoning is central to the 350-601 DCCOR exam and the CCNP Data Center certification. Home/Cisco/Cisco 350-601: Failure Domains Across Compute, Network, and StorageCiscoPublished October…

  Large fabrics create many places where an engineer can start troubleshooting: routing tables, EVPN routes, vPC state, interface counters, APIC faults, telemetry dashboards, server logs, or storage paths. Starting everywhere at once produces noise. A disciplined alternative is to begin with the affected endpoint, define the expected conversation, and work inward through attachment, policy, overlay, and underlay until the first broken assumption is found. That method fits the operational focus of the 350-601 DCCOR exam and the CCNP Data Center certification. Home/Cisco/Cisco 350-601: Data Center Fabric Troubleshooting From the…

  Segment routing changes the service-provider core by replacing a large amount of per-path signaling with a simpler instruction: steer the packet through an ordered list of network segments. That idea is central to the current 350-501 SPCOR exam and the CCNP Service Provider certification because Cisco’s present blueprint treats segment routing, SR traffic engineering, TI-LFA, and SRv6 as core architecture rather than optional edge topics. The scalability gain comes from moving state to the places where it is most useful. Instead of every transit router maintaining a separate signaling…

MPLS becomes much easier to troubleshoot when every packet is treated as a visible stack of forwarding instructions. The current Cisco 350-501 SPCOR exam expects engineers to understand MPLS as part of the service-provider core, and the Cisco CCNP Service Provider certification assumes that label operations can be related to routing, VPN services, QoS, and high availability rather than memorized as isolated commands. Home/Cisco/Cisco 350-501: MPLS Makes Sense When You Follow the Label StackCiscoPublished October 3, 2026On this pageA transport label gets the packet across the provider coreA service label…