JN0-364 Torrent Anleitung - JN0-364 Studienführer & JN0-364 wirkliche Prüfung

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Juniper JN0-364 Exam Syllabus Topics:

SectionObjectives
Multiprotocol Label Switching (MPLS)- Identify the concepts, operation, or functionality of MPLS CoS processing on Junos devices
  • 1. MPLS and routing tables
  • 2. MPLS terminology
  • 3. MPLS packet header
  • 4. RSVP
  • 5. End-to-end packet flow and forwarding
  • 6. LDP
  • 7. Segment routing with MPLS
  • 8. Labels and the label information base
- Demonstrate knowledge of how to configure, monitor, or troubleshoot MPLS
  • 1. LDP-signaled Label-Switched Paths (LSPs)
  • 2. MPLS forwarding
  • 3. Shortest path segment-routing LSPs
  • 4. RSVP-signaled Label-Switched Paths (LSPs)
Spanning Tree Protocols- Identify the concepts, operation, or functionality of STP
  • 1. MSTP
  • 2. RSTP
  • 3. VSTP
  • 4. STP
- Demonstrate knowledge of how to configure, monitor, or troubleshoot Spanning Tree Protocols
  • 1. MSTP
  • 2. RSTP
  • 3. VSTP
  • 4. STP
IPv6- Identify the concepts, operation, or functionality of IPv6
  • 1. IPv6 over IPv4 tunneling
  • 2. Static routes
  • 3. Dynamic routing - OSPFv3, IS-IS, BGP
- Demonstrate knowledge of how to configure, monitor, or troubleshoot IPv6
Layer 2 Bridging or VLANs- Identify the concepts, benefits, or functionality of VLANs
  • 1. Tagging
  • 2. Port modes
  • 3. Integrated Routing and Bridging (IRB)
- Identify the concepts, operation, or functionality of Layer 2 bridging for the Junos OS
  • 1. Bridging elements and terminology
  • 2. Virtual Switches
  • 3. Provider bridging (Q-in-Q tunneling)
  • 4. Service provider switching platforms
  • 5. Frame processing
- Demonstrate knowledge of how to configure, monitor, or troubleshoot Layer 2 bridging or VLANs
  • 1. VLANs
  • 2. IRB
  • 3. Provider bridging
  • 4. Interfaces and ports
Protocol-Independent Routing- Identify the concepts, operation, or functionality of various protocol-independent routing components
  • 1. Martian addresses
  • 2. Static, aggregate, and generated routes
  • 3. Routing instances, including routing information base (RIB) (also known as routing table) group
  • 4. Filter-based forwarding
  • 5. Load balancing
- Demonstrate knowledge of how to configure, monitor, or troubleshoot various protocol-independent routing components
  • 1. Static, aggregate, and generated routes
  • 2. Filter-based forwarding
  • 3. Load balancing
Open Shortest Path First (OSPF)- Identify the concepts, operation, or functionality of OSPF
  • 1. Adjacencies and neighbors
  • 2. Link-state database
  • 3. OSPF packet types
  • 4. Router ID
  • 5. OSPF area and router types
  • 6. Designated router and backup designated router
  • 7. Link-state advertisement (LSA) packet type
- Demonstrate knowledge of how to configure, monitor, or troubleshoot OSPF
  • 1. Troubleshooting tools
  • 2. Interfaces and neighbor
  • 3. Routing policy application
Border Gateway Protocol (BGP)- Demonstrate knowledge of how to configure, monitor, or troubleshoot BGP
  • 1. Troubleshooting tools
  • 2. Peers and peer groups
  • 3. Routing policy application
- Identify the concepts, operation, or functionality of BGP
  • 1. BGP basic operation
  • 2. BGP route reflection and confederations
  • 3. BGP message types
  • 4. Route selection process
  • 5. IBGP and EBGP functionality and interaction
  • 6. Attributes
Intermediate System to Intermediate System (IS-IS)- Demonstrate knowledge of how to configure, monitor, or troubleshoot IS-IS
  • 1. Troubleshooting tools
  • 2. Interfaces and adjacencies
  • 3. Routing policy application
- Identify the concepts, operation, or functionality of IS-IS
  • 1. Levels and areas
  • 2. Adjacencies and neighbors
  • 3. Link-state database
  • 4. Type, length, values (TLVs)
  • 5. Metrics
  • 6. IS-IS protocol data units (PDUs)
  • 7. Designated intermediate system (DIS)

>> JN0-364 Testantworten <<

JN0-364 Studienmaterialien: Service Provider Routing and Switching, Specialist (JNCIS-SP) - JN0-364 Torrent Prüfung & JN0-364 wirkliche Prüfung

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Juniper Service Provider Routing and Switching, Specialist (JNCIS-SP) JN0-364 Prüfungsfragen mit Lösungen (Q122-Q127):

122. Frage
You are designing an MPLS network and want to ensure that traffic traverses an LSP between PE routers that follow an explicit path through the core.
Which protocol would accomplish this task?

Antwort: B

Begründung:
RSVP-TE is used to signal MPLS traffic-engineered LSPs and supports explicit path configuration. This allows you to define the exact sequence of core hops the LSP must follow between PE routers, ensuring traffic traverses the desired path rather than simply following the IGP shortest path.


123. Frage

Referring to the exhibit, which protocol would automatically create a full mesh of label-switched paths between MPLS-enabled routers?

Antwort: A

Begründung:
In Juniper Networks Junos OS, theLabel Distribution Protocol (LDP)is specifically designed to automate the creation of Label Switched Paths (LSPs) based on the information provided by the underlying Interior Gateway Protocol (IGP), such as OSPF or IS-IS. When LDP is enabled on a set of interfaces within an OSPF area (as shown in the exhibit with Area 0.0.0.0), it automatically discovers neighbors and exchanges label mappings for all known unicast routes in the routing table.
The defining characteristic of LDP in this context is its "topology-driven" nature. Unlike RSVP (Resource Reservation Protocol), which typically requires the manual configuration of each LSP ingress point and destination, LDP follows the IGP's shortest path tree to automatically build afull meshof LSPs between all participating routers. This means that every Provider Edge (PE) and Provider (P) router in the exhibit-PE1, PE2, PE3, P1, P2, and P3-will establish label-switched connectivity to every other router without the administrator having to define individual tunnels.
LDP accomplishes this through a downstream-unsolicited label distribution mode by default in Junos. Each router assigns a local label for its loopback address and other prefixes and advertises these to its neighbors.
Because every router is performing this action for every reachable prefix in the OSPF domain, a complete fabric of label-switched paths is formed. While RSVP is more robust for traffic engineering and bandwidth reservation, LDP is the preferred protocol for creating a simple, scalable full mesh of LSPs for applications like Layer 3 VPNs or internal BGP tunneling where complex path manipulation is not required. BFD is a failure detection protocol, and BGP is used for service signaling, making LDP the only correct choice for automatic mesh creation.


124. Frage
Which IPv6 address type is used as an identifier for a group of IPv6 interfaces that might belong to different nodes, typically, the nearest node?

Antwort: C


125. Frage
You are using RSVP in your network to signal MPLS LSPs. You are asked to ensure that the egress MPLS router receives the full label stack, containing both the hop-by-hop and VPN label.
Which configuration will satisfy this requirement?

Antwort: D


126. Frage
You are a network architect designing a brand new network. You want to deploy RSVP LSPs in this network.
You are currently in the process of choosing whether to run OSPF or IS-IS as your interior gateway protocol.
In this scenario, which two statements are correct about IGP traffic engineering extensions in an RSVP network? (Choose two.)

Antwort: A,C

Begründung:
In a Juniper Networks environment, deployingRSVP-signaled LSPsrequires a functionalTraffic Engineering Database (TED). This database is populated by the Interior Gateway Protocol (IGP) using specific extensions that carry link-state information beyond simple reachability, such as available bandwidth, administrative groups (link coloring), and Maximum Reservable Bandwidth.
The behavior of these extensions differs betweenOSPFandIS-ISin Junos OS:
* OSPF (Option C):By default, OSPF is a "pure" routing protocol. To support RSVP-TE, it must carry Opaque LSAs (Type 10). According to Juniper documentation, you mustexplicitly configuretraffic engineering within the OSPF protocol hierarchy using the set protocols ospf traffic-engineering command. Without this command, OSPF will not flood the TE information required by the Constrained Shortest Path First (CSPF) algorithm, and LSPs will fail to establish.
* IS-IS (Option D):IS-IS was designed to be extensible through the use of TLVs (Type, Length, Value).
In Junos OS,IS-IS traffic engineering extensions are enabled by defaultonce the protocol is active.
As soon as you enable IS-IS on an interface, it begins to advertise the wide metrics and TE TLVs (like TLV 22 and 135) necessary for building the TED.
This distinction is a common design consideration for network architects. While IS-IS simplifies the rollout of MPLS by having TE enabled "out of the box," OSPF requires that extra configuration step to transition from a standard IGP to a TE-aware protocol.


127. Frage
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