Data Center, Associate (JNCIA-DC) JN0-280 Dumps
The JN0-280 Data Center, Associate (JNCIA-DC) is recognized as one of the most sought-after Juniper Certification exams. Passcert provides the latest and most comprehensive Data Center, Associate (JNCIA-DC) JN0-280 Dumps which encompass all the essential knowledge points that are integral to the actual exam. Using these Data Center, Associate (JNCIA-DC) JN0-280 Dumps, candidates can identify their strengths and weaknesses, which is key to formulating an effective test-taking strategy. They also provide a realistic insight into the potential score one can expect in the actual exam. The Data Center, Associate (JNCIA-DC) JN0-280 Dumps, with their comprehensive and well-explained content, serve as a productive tool to ensure a remarkable success rate in the JN0-280 exam.
Data Center, Associate (JNCIA-DC)The Data Center track enables you to demonstrate competence with data center technologies and related configuration and troubleshooting skills. JNCIA-DC, the associate-level certification in this track, is designed for data center networking professionals with introductory-level knowledge of the Juniper Networks Junos software and data center devices. The written exam verifies your understanding of data center technologies, related platform configuration, and troubleshooting skills.
Exam DetailsExam Code: JN0-280Prerequisite Certification: NoneDelivered by Pearson VUEExam Length: 90 minutesExam Type: 65 multiple-choice questionsSoftware Versions: Junos 20.4
Exam ObjectivesData Center ArchitecturesIdentify concepts and general features of Data Center architecturesTraditional Architectures (multi-tier)IP-Fabric Architectures (Spine/Leaf)Layer 2 and Layer 3 strategiesOverlay Network versus Underlay Network (Very Basic)EVPN/VXLAN basics/purpose Layer 2 Switching, VLANs and Security Identify the concepts, operation, or functionality of Layer 2 switching for the Junos OSEthernet switching/bridging concepts and operations Identify the concepts, benefits, or functionality of VLANsPort modesVLAN TaggingIRB Identify the concepts, benefits, or functionality of Layer 2 SecurityMACsecMAC address control/filteringStorm Control Describe how to configure, monitor, or troubleshoot Layer 2 switching, VLANs, or securityEthernet switching/bridgingVLANsLayer 2 security features
Protocol-Independent RoutingIdentify the concepts, operation, or functionality of various protocol-independent routing componentsStatic, aggregate, and generated routesMartian addressesRouting instances, including RIB groupsLoad balancingFilter-based forwarding
Describe how to configure, monitor, or troubleshoot various protocol-independent routing componentsStatic, aggregate, and generated routesLoad balancing
Data Center Routing Protocols BGP/OSPFIdentify the concepts, operation, or functionality of OSPFLink-state databaseOSPF packet typesRouter IDAdjacencies and neighborsDesignated router (DR) and backup designated router (BDR)OSPF area and router typesLSA packet types
Describe how to configure, monitor, or troubleshoot OSPFAreas, interfaces, and neighborsAdditional basic optionsRouting policy applicationTroubleshooting tools
Identify the concepts, operation, or functionality of BGPBGP basic operationBGP message typesAttributesRoute/path selection processIBGP and EBGP functionality and interaction
Describe how to configure, monitor, or troubleshoot BGPGroups and peersAdditional basic optionsRouting policy application
High Availability (HA)Identify the concepts, benefits, applications, or requirements of high availabilityLink aggregation groups (LAG)Graceful restart (GR)Bidirectional Forwarding Detection (BFD)Virtual Chassis
Describe how to configure, monitor, or troubleshoot high availability componentsLink aggregation groups (LAG)Graceful restart (GR)Bidirectional Forwarding Detection (BFD)
Share Data Center, Associate (JNCIA-DC) JN0-280 Free Dumps1. What are two common reasons for BGP routes to be in the hidden state? (Choose two.)A. Routes are being rejected by a policyB. Routes are being filtered from the inet.2 routing tableC. The next hop is unresolvableD. The BGP neighbor is in a different autonomous systemAnswer: A, C 2. You have configured a load balancing policy. Which statement is correct about applying the policy?A. The policy is applied as an export policy under the routing protocol’s hierarchy.B. The policy is applied as an export policy under routing-options forwarding table.C. The policy is applied as an import policy under the routing protocol’s hierarchy.D. The policy is applied as an import policy under routing-options forwarding table.Answer: B 3. Under which Junos hierarchy is a static route configured?A. systemB. routing-instancesC. routing-optionsD. protocolsAnswer: C 4. How does a layer 2 switch populate its bridge table?A. It stores the protocol number of frames traversing the network.B. It stores both the source and destination MAC addresses of frames traversing the network.C. It stores the destination MAC address of frames traversing the network.D. It stores the source MAC address of frames traversing the network.Answer: D 5. In the Junos OS, what is the default behavior of a switch when it receives a frame with an unknown destination MAC address?A. It discards the frame.B. It floods the frame out of all ports except the one it was received on.C. It sends the frame to its default gateway.D. It buffers the frame until the MAC address can be learned.Answer: B 6. Which two protocols can you use for a data center underlay network? (Choose two)A. EBGPB. OSPFC. VXLAND. EVPNAnswer: A, B 7. In the context of data center networking, what is the primary purpose of an Underlay Network?A. To provide a physical infrastructure for an Overlay Network.B. To handle external network connections exclusively.C. To facilitate virtual machine migrations.D. To encrypt data traffic between servers.Answer: A 8. With regards to graceful restart, which two statements are true? (Choose two.)A. A supported routing protocol, such as BGP, must be operational for graceful restart to work.B. NSR must be enabled for graceful restart to work.C. Dual routing engines are required for graceful restart to work.D. The network topology must be stable for graceful restart to work.Answer: A, D 9. EVPN/VXLAN is primarily used in modern data centers to:A. Increase the physical distance between data centers.B. Provide Layer 2 connectivity over a Layer 3 network.C. Replace traditional routing protocols.D. Enhance the physical security of the data center.Answer: B 10. Which two statements are correct about aggregated Ethernet bundles? (Choose two.)A. You must enable the chassis to support aggregated Ethernet interfaces.B. You must purchase a services license for the chassis to support aggregate Ethernet interfaces.C. You must specify which interfaces are members of a specific aggregated Ethernet bundle.D. You must enable LACP when configuring aggregated Ethernet bundles.Answer: A, C