JN0-342 Juniper Networks Certified Internet Associate (JNCIA-ER)

JNCIS-SP Exam Objectives (Exam: JN0-360)

Protocol-Independent Routing
Identify the concepts, operation and functionality of various protocol-independent routing components
Static, aggregate, and generated routes
Martian addresses
Routing instances, including RIB groups
Load balancing
Filter-based forwarding
Demonstrate knowledge of how to configure and monitor various protocol-independent routing components
Static, aggregate, and generated routes
Load balancing
Filter-based forwarding

Open Shortest Path First (OSPF)
Identify the concepts, operation and functionality of OSPF
Link-state database
OSPF packet types
Router ID
Adjacencies and neighbors
Designated router (DR) and backup designated router (BDR)
OSPF area and router types
LSA packet types
Demonstrate knowledge of how to configure, monitor and troubleshoot OSPF
Areas, interfaces and neighbors
Additional basic options
Routing policy application
Troubleshooting tools

Intermediate System to Intermediate System (IS-IS)
Identify the concepts, operation and functionality of IS-IS
Link-state database
IS-IS PDUs
TLVs
Levels and areas
Designated intermediate system (DIS)
Metrics
Demonstrate knowledge of how to configure, monitor and troubleshoot OSPF
Areas, interfaces and neighbors
Additional basic options
Routing policy application
Troubleshooting tools

Border Gateway Protocol (BGP)
Identify the concepts, operation and functionality of BGP
BGP basic operation
BGP message types
Attributes
Route/path selection process
IBGP and EBGP functionality and interaction
Demonstrate knowledge of how to configure and monitor BGP
Groups and peers
Additional basic options
Routing policy application

Layer 2 Bridging and VLANs
Identify the concepts, operation, and functionality of Layer 2 bridging for the Junos OS
Service Provider switching platforms
Bridging elements and terminology
Frame processing
Virtual Switches
Provider bridging (e.g., Q-in-Q tunneling)
Identify the concepts, benefits, and functionality of VLANs
Port modes
Tagging
MVRP
IRB
Demonstrate knowledge of how to configure, monitor and troubleshoot Layer 2 bridging and VLANs
Interfaces and ports
VLANs
MVRP
IRB
Provider bridging

Spanning-Tree Protocols
Identify the concepts, benefits, operation, and functionality of Spanning Tree Protocol and its variants
STP, RSTP, MSTP and VSTP concepts
Port roles and states
BPDUs
Convergence and reconvergence
Spanning-tree security
Demonstrate knowledge of how to configure, monitor and troubleshoot STP and its variants
Spanning-tree protocols – STP, RSTP, MSTP, VSTP
BPDU, loop and root protection

Multiprotocol Label Switching (MPLS) and MPLS VPNs
Identify the concepts, operation, and functionality of MPLS
MPLS terminology
MPLS packet header
End-to-end packet flow and forwarding
Labels and the label information base (LIB)
MPLS and routing tables
RSVP
LDP
Identify the concepts, benefits, operation, and functionality of MPLS VPNs
VPN routing tables
Layer 3 VPN terminology and components
BGP Layer 2 VPN terminology and components
LDP Layer 2 circuit terminology and components
Virtual private LAN service (VPLS) terminology and components
MPLS VPN control plane traffic flow
MPLS VPN data plane traffic flow
Demonstrate knowledge of how to configure and monitor MPLS
MPLS forwarding
RSVP-signaled and LDP-signaled LSPs

IPv6
Identify the concepts, operation and functionality of IPv6
IPv4 vs. IPv6
Address types, notation and format
Address scopes
Autoconfiguration
Tunneling
Demonstrate knowledge of how to configure and monitor IPv6
Interfaces
Static routes
Dynamic routing – OSPFv3, IS-IS, BGP
IPv6 over IPv4 tunneling

Tunnels
Identify the concepts, requirements and functionality of IP tunneling
Tunneling applications and considerations
GRE
IP-IP
Demonstrate knowledge of how to configure and monitor IP tunnels
GRE configuration
IP-IP configuration

High Availability
Identify the concepts, benefits, applications and requirements of high availability
Link aggregation groups (LAG) and multichassis LAGs (MC-LAGs)
Graceful restart (GR)
Graceful Routing Engine switchover (GRES)
Nonstop active routing (NSR)
Nonstsop bridging (NSB)
Bidirectional Forwarding Detection (BFD)
Virtual Router Redundancy Protocol (VRRP)
Unified In-Service Software Upgrade (ISSU)
Ethernet Ring Protection (ERP)
Demonstrate knowledge of how to configure and monitor high availability component
LAG, MC-LAG
Additional basic options
GR, GRES, NSR and NSB
VRRP
ISSU

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QUESTION 1
Which two statements are true about MPLS VPNs? (Choose two.)

A. With Layer 3 VPNs, the provider’s routers participate in the customer’s Layer 3 routing.
B. MPLS VPNs are designed to run over private networks rather than the public Internet.
C. With Layer 2 VPNs, the provider does not participate in the routing of the customer’s private IP
traffic.
D. MPLS VPN tunnels are always encrypted.

Answer: A,C

Explanation:

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QUESTION 2
Which label operation is performed by an MPLS transit router?

A. inject
B. pop
C. push
D. swap

Answer: D

Explanation: https://www.juniper.net/techpubs/software/junos-security/junos-security96/junossecurity-
swconfig-interfaces-and-routing/mpls-ov.html

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QUESTION 3
Which Junos platform supports provider bridging?

A. T Series devices
B. SRX Series devices
C. MX Series devices
D. MAG Series devices

Answer: B

Explanation: https://www.juniper.net/techpubs/en_US/junos10.0/information-products/pathway-
pages/mx-series/ethernet-switching-mx-series.html

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QUESTION 4
In which environment would you run BGP?

A. a company spread across multiple floors of a building
B. a company with a single office
C. a home network
D. the public Internet

Answer: D

Explanation:

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QUESTION 5
For a network running single-area OSPF, how would you decrease the size of the link-state
database (LSDB)?

A. Implement RIP as an overlay protocol on all devices.
B. Add more devices to the OSPF network to help with LSDB processing.
C. Reduce the frequency of hello timers throughout the network.
D. Implement OSPF areas.

Answer: D

Explanation:

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