JN0-650 Test Questions: Enterprise Routing and Switching, Professional (JNCIP-ENT) & JN0-650 Actual Test & JN0-650 Exam Simulation

The third and last format is the Juniper JN0-650 desktop practice exam software form that can be used without an active internet connection. This software works offline on the Windows operating system. The practice exams benefit your preparation because you can attempt them multiple times to improve yourself for the Juniper JN0-650 Certification test. Our Enterprise Routing and Switching, Professional (JNCIP-ENT) (JN0-650) exam dumps are customizable, so you can set the time and questions according to your needs.

Juniper JN0-650 Exam Syllabus Topics:

Topic	Details
Topic 1	IP Multicast: This domain addresses one-to-many communication using multicast routing, covering addressing, ASM vs SSM models, RPF, IGMP snooping, PIM sparse-mode, rendezvous points, Anycast RP, MSDP, and routing policies.
Topic 2	Ethernet Switching and Spanning Tree: This section covers advanced Layer 2 switching including filter-based VLANs, private VLANs, MVRP, Layer 2 tunneling via Q-in-Q and L2PT, plus MSTP and VSTP protocols.
Topic 3	Interior Gateway Protocols (IGPs): This domain covers internal routing protocols operating within a single autonomous system, including OSPFv2, OSPFv3, and routing policy implementation, along with configuration, troubleshooting, and monitoring skills.
Topic 4	Layer 2 Authentication and Access Control: This domain examines network access control mechanisms including 802.1x, MAC RADIUS, captive portal, server fail fallback, guest VLANs, and multi-method authentication considerations.
Topic 5	EVPN: This section addresses Ethernet VPN technology for Layer 2 over Layer 3 connectivity, covering EVPN route types, VXLAN encapsulation, and multi-homing configurations.
Topic 6	BGP: This section focuses on Border Gateway Protocol operations including route selection, next hop resolution, BGP attributes, communities, load balancing, IPv4 IPv6 address families, advanced options, and routing policy implementation.

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Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) Sample Questions (Q43-Q48):

NEW QUESTION # 43
Exhibit

Your network receives the full Internet BGP routing table from two different ISPs. You want your local routers to use Provider A to forward all Internet traffic as long as Provider A is available.
Referring to the exhibit, which two actions would satisfy this requirement? (Choose two.)

A. Use a routing policy to set the local preference attribute value lower for the routes that are learned by R2.
B. Use a routing policy to set the local preference attribute value lower for the routes that are learned by R1.
C. Use a routing policy to set the local preference attribute value higher for the routes that are learned by R2.
D. Use a routing policy to set the local preference attribute value higher for the routes that are learned by R1

Answer: A,D

Explanation:
In BGP path selection, the Local Preference attribute is one of the most common ways to influence outbound traffic from an Autonomous System (AS). It is a well-known discretionary attribute that is propagated throughout the AS to tell internal routers which path is preferred for a specific destination.
Priority Rule: In the BGP selection algorithm, a higher local preference value is always preferred over a lower one. The default value in Junos OS is 100.
Influencing Outbound Traffic (Option A): To ensure that Provider A is always preferred, you would apply an import policy on R1 (the router connected to Provider A) to set the local preference of all received routes to a value higher than the default (e.g., 200). Since 200 > 100, R3 and R4 will prefer the path via R1.
Alternative Method (Option C): Conversely, you can achieve the same result by applying an import policy on R2 (the router connected to Provider B) to set the local preference to a value lower than the default (e.g., 50).
Since the routes from R1 remain at the default of 100, and 100 > 50, the path via R1 (Provider A) is preferred.
Why B and D are incorrect: Setting a higher local preference on R2 (Option B) would make Provider B the preferred exit point. Setting a lower local preference on R1 (Option D) would make Provider A the least preferred exit point.

NEW QUESTION # 44
Exhibit:

A router is attempting to form an OSPF neighborship with another router. However, the OSPF neighborship fails to establish completely. Referring to the exhibit, what is the problem?

A. There is an interface MTU mismatch.
B. There is an interface type mismatch.
C. There is an interface subnet mask mismatch.
D. There is an OSPF area mismatch.

Answer: B

NEW QUESTION # 45
Exhibit
Referring to the exhibit output, which statement is correct?

A. The output shows the router ID of the device sending the EVPN Type 2 routes
B. IP addresses 10.1.1.1 and 10.1 2.3 are connected to the same VNI.
C. The device with an IP address of 192.168.100 2 is attached to VNI 5010
D. The output shows the route distinguisher of the device sending the EVPN Type 2 routes

Answer: D

Explanation:
The exhibit displays the default-switch.evpn.0 routing table, which is used on Juniper leaf devices to store EVPN Type 2 (MAC/IP) routes.
* Route Distinguisher (Option C):In EVPN, theRoute Distinguisher (RD)is an 8-byte prefix added to a route to make it unique within the BGP control plane. The RD format in the exhibit is <IP-Address>:
<Identifier>.
* For example, the prefix 2:192.168.100.1:1::5010::... indicates an EVPN Type 2 route (2:) where
192.168.100.1:1 is theRoute Distinguisher.
* This RD identifies the specific routing instance on the originating VTEP that advertised the MAC
/IP address.
* Option A is incorrect:The RD 192.168.100.2:1 does not necessarily mean thehostdevice has that IP; it means theoriginating switchhas that router ID/IP used for its RD.
* Option B is incorrect:While the RD oftenincorporatesthe router ID, the RD itself is the full string (e.
g., 192.168.100.1:1), which is distinct from the raw Router ID used in the BGP summary.
* Option D is incorrect:Looking at the entries for 10.1.1.1 and 10.1.2.3, they are associated with different identifiers in the RD strings (5010 and 5020 respectively), which typically map to different VNIs or bridge domains.

NEW QUESTION # 46
Which two statements are correct about EVPN/VXLAN deployments? (Choose two.)

A. VTEPs are used to identify broadcast domains within an EVPN/VXLAN environment.
B. VNIs are used for encapsulating and de-encapsulating traffic entering and leaving the tunnels
C. VNIs are used to identify broadcast domains within an EVPN/VXLAN environment.
D. VTEPs are used for encapsulating and de-encapsulating traffic entering and leaving the tunnels.

Answer: C,D

Explanation:
In an EVPN-VXLAN architecture, the interaction between the control plane (EVPN) and the data plane (VXLAN) is defined by specific functional components:
VTEP (VXLAN Tunnel End Point): These are the entities responsible for the encapsulation and de- encapsulation of Layer 2 Ethernet frames into Layer 3 UDP/IP packets. A VTEP can be a physical switch (like a QFX or EX series) or a software-based entity. When traffic enters the fabric, the ingress VTEP wraps it in a VXLAN header; the egress VTEP removes this header before delivering it to the destination host. (Option B) VNI (Virtual Network Identifier): The VNI is a 24-bit field in the VXLAN header that allows for up to 16 million unique identifiers. It is used to identify specific broadcast domains (or VLANs) within the overlay network. Each VNI effectively represents a virtualized Layer 2 segment that is stretched across the Layer 3 underlay. (Option D) Incorrect statements: Option A is incorrect because VNIs are identifiers, not the " engine " that performs encapsulation-that is the VTEP ' s job. Option C is incorrect because VTEPs identify the endpoints of a tunnel, not the individual broadcast domains themselves.

NEW QUESTION # 47
What is the function of a private VLAN?

A. segment a single VLAN into multiple broadcast domains
B. encrypt traffic between members of the same VLAN
C. prevent traffic in a VLAN from leaving a switch
D. prevent a user from identifying which VLAN they are in

Answer: A

NEW QUESTION # 48
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