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| Section | Weight | Objectives |
|---|---|---|
| Layer 3 Routing | 20% | - IS-IS (single area, multi-area) - Route Redistribution and Route Filtering - OSPF (Multi-area, LSA types, SPF calculation) - BGP (iBGP, eBGP, route reflectors, confederations) - Policy-Based Routing - Load Balancing and ECMP |
| Layer 2 Switching | 15% | - BPDU Protection, Loop Protection - Link Aggregation (LACP) - Layer 2 Forwarding and MAC Table Management - Spanning Tree Protocols (STP, RSTP, MSTP) - VLANs and VLAN Trunking Protocol (VTP) |
| Security and Automation | 15% | - Junos PyFMT (Python-based automation) - Interactive CLI and scripts - 802.1X (Port-Based Network Access Control) - Zero Touch Provisioning (ZTP) - Ansible and Jinja2 templating - Storm Control and Port Security - MACsec (Encryption at Layer 2) |
| Network Optimization and Monitoring | 15% | - sFlow and Port Mirroring for traffic analysis - OpenConfig and YANG - Junos Analytics and Streaming Telemetry - Simple Network Management Protocol (SNMP) - Class of Service (CoS) — schedulers, drop profiles, rewrite rules |
| High Availability | 20% | - Graceful Routing Engine Switchover (GRES) - IP Surveillance and Multicast RP - In-Service Software Upgrade (ISSU) - Bidirectional Forwarding Detection (BFD) - Non-Stop Routing (NSR) - Non-Stop Bridging (NSB) - Virtual Chassis (VC) and Virtual Chassis Fabric (VCF) |
| Services | 15% | - Firewall Filters (ACLs) and Policers - DNS Relay - Quality of Service (QoS) — classification, policing, shaping, queuing - DHCP Relay and Snooping |
The online JN0-650 practice exam has all specifications of the desktop software. It is compatible with Chrome, Firefox, MS Edge, Safari, Opera, etc. The Enterprise Routing and Switching, Professional (JNCIP-ENT) (JN0-650) practice exam will save your progress and give you an overview of your mistakes, which will benefit your overall preparation. All operating systems support this Enterprise Routing and Switching, Professional (JNCIP-ENT) (JN0-650) practice test.
NEW QUESTION # 10
Which statement is correct about IS-IS?
Answer: D
NEW QUESTION # 11
Exhibit
You need to configure the non-RP routers in your network to dynamically learn the location of the RP using standard protocols only. You have already applied the configuration shown in the exhibit, but the routers have not learned the location of the RP.
Which additional step must you take to fulfill these requirements?
Answer: A
Explanation:
The exhibit shows a multicast network running PIM Sparse Mode where R2 is configured as a local Rendezvous Point (RP). However, the non-RP routers (like R5) show no learned RP in their show pim rps output. To resolve this using standard protocols for dynamic RP discovery, you must implement a mechanism that automates the distribution of RP information across the PIM domain.
* Bootstrap Router (BSR) (Option B): BSR is the industry-standard (RFC 5059) mechanism for dynamically electing an RP and distributing that information throughout a PIM-SM domain.
* It uses two roles: Candidate-RPs (C-RPs), which announce their desire to be an RP, and Candidate-BSRs (C-BSRs), which collect these announcements and flood them to all other routers in the network via PIM bootstrap messages.
* BSR is a "standard protocol" as it is part of the PIMv2 specification. Once configured on R2 (as C-RP) and potentially R1 or R2 (as C-BSR), all other routers will dynamically learn that R2 is the RP for the specified group ranges.
* Auto-RP (Option D): While this also provides dynamic RP discovery, it is a proprietary Cisco protocol. Although Junos supports it for interoperability, the question specifically asks for "standard protocols only," making BSR the preferred choice.
* MSDP (Option A): Multicast Source Discovery Protocol (MSDP) is used to share information about active sources between different PIM domains or for Anycast-RP. It does not handle the initial discovery of an RP within a single domain for standard PIM-SM operations.
* Anycast RP (Option C): This is a technique used for RP redundancy and load balancing. While it can use BSR or MSDP for synchronization, it is a design architecture rather than a standalone "standard protocol" for the basic dynamic discovery of an RP in the manner requested here.
Configuration Example for BSR in Junos OS 24.4: To enable this, you would add the following to the RP (R2):
set protocols pim rp bootstrap-discovery
set protocols pim rp candidate-rp 10.222.1.2 group-ranges 224.0.0.0/4
set protocols pim rp candidate-bsr 10.222.1.2
NEW QUESTION # 12
Which two statements are true regarding MAC limit restrictions? (Choose two.)
Answer: B,C
NEW QUESTION # 13
You are deploying IP phones in your enterprise network that must receive their power through their Ethernet connection. You are using your EX Series switch's PoE ports that support IEEE
802.3af. In this scenario, what is the maximum amount of power allocated to each interface?
Answer: A
Explanation:
PoE was first defined in the IEEE 802.3af standard, which supplied up to 15.4 W of power to a connected powered device. Subsequent versions increased the amount of power that can be supplied to a powered device.
NEW QUESTION # 14
When configuring 802.1X authentication, what are three server fail fallback settings? (Choose three.)
Answer: B,C,D
NEW QUESTION # 15
......
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