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Web-Based Practice Exams to Evaluate JN0-683 Data Center, Professional (JNCIP-DC) Exam Preparation

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Juniper JN0-683 Exam Syllabus Topics:

Topic
Details

Topic 1

Data Center Multitenancy and Security: This section tests knowledge of single-tenant and multitenant data center setups. Candidates such as Data Center Professionals are evaluated on ensuring tenant traffic isolation at both Layer 2 and Layer 3 levels in shared infrastructure environments.

Topic 2

Layer 3 Fabrics: This section measures the knowledge of professionals managing IP-based networks in data centers. It covers IP fabric architecture and routing, ensuring candidates understand how the network is structured for scalability and how traffic is routed efficiently.

Topic 3

Data Center Deployment and Management: This section assesses the expertise of data center networking professionals like architects and engineers, focusing on key deployment concepts. Topics include Zero-touch provisioning (ZTP), which automates device setup in data centers without manual input.

Juniper Data Center, Professional (JNCIP-DC) Sample Questions (Q61-Q66):

NEW QUESTION # 61
As part of the onboarding process for new switches being added to your data centers, your company uses Juniper Networks' ZTP process. As part of the ZTP process, a script is executed by the devices being onboarded.
Which statement is correct in this scenario?

A. The Junos ZTP process supports Python, SLAX, and Perl.
B. The Junos ZTP process supports Shell. JScript. and Ansible.
C. The Junos ZTP process supports JScript. Ansible. and Perl.
D. The Junos ZTP process supports Shell. Python, and SLAX.

Answer: D

Explanation:
* Zero Touch Provisioning (ZTP):
* Juniper Networks' ZTP (Zero Touch Provisioning) process automates the deployment of new devices by allowing them to fetch and execute scripts for configuration and setup as they are powered on and connected to the network.
* Supported Scripting Languages:
* The Junos OS supports several scripting languages that can be used during the ZTP process:
* Shellscripts are often used for general automation tasks.
* Pythonis a widely supported language in Junos, offering powerful scripting capabilities for automating network tasks.
* SLAX(Service Logic Execution Environment) is a scripting language specific to Junos, designed to automate configuration tasks and simplify network operations.
Conclusion:
* Option D:Correct-Junos ZTP supports Shell, Python, and SLAX, making it the correct choice among the provided options.

NEW QUESTION # 62
Which parameter is used to associate a received route with a local VPN route table?

A. VNI
B. route-target community
C. route-distinguisher
D. VLAN ID

Answer: B

Explanation:
* Understanding VPN Route Table Association:
* In MPLS/VPN and EVPN networks, theroute-target communityis a BGP extended community attribute used to control the import and export of VPN routes. It associates received routes with the appropriate VPN route tables on the PE (Provider Edge) routers.
* Function of Route-Target Community:
* The route-target community tag ensures that routes are imported into the correct VRF (Virtual Routing and Forwarding) instance, allowing them to be correctly routed within the VPN.
Conclusion:
* Option A:Correct-The route-target community is used to associate received routes with a local VPN route table.

NEW QUESTION # 63
Which three statements are correct about symmetric IRB routing with EVPN Type 2 routes? (Choose three.)

A. An L3 interface (IRB) is required for each local VLAN.
B. Symmetric routing requires an extra transit VNI for each VRF.
C. Symmetric routing requires MAC-VRF.
D. Symmetric routing supports the EVPN service VLAN bundle.
E. Symmetric routing is less efficient than asymmetric routing.

Answer: A,B,C

Explanation:
* Symmetric IRB Routing with EVPN Type 2 Routes:
* Symmetric Routing: In symmetric IRB (Integrated Routing and Bridging), routing occurs in both directions at the ingress and egress leaf nodes using the same routing logic. This is contrasted with asymmetric routing, where different routing logic is used depending on the direction of the traffic.
* Required Components:
* Option A:An L3 IRB interface is necessary for each VLAN that participates in routing, as it handles the Layer 3 processing for the VLAN.
* Option B:MAC-VRF is required for symmetric routing to maintain a mapping of MAC addresses to the appropriate VRF, ensuring correct forwarding within the EVPN.
* Option D:A transit VNI (Virtual Network Identifier) is required for each VRF to encapsulate the Layer 3 traffic as it traverses the network, allowing the IP traffic to be appropriately forwarded.
Conclusion:
* Option A:Correct-Each local VLAN needs an IRB interface for L3 processing.
* Option B:Correct-MAC-VRF is necessary for handling MAC address resolution in symmetric routing.
* Option D:Correct-Transit VNIs are required for routing VRF-specific traffic across the network.
OptionsCandEare incorrect because:
* C:Symmetric routing can work with various VLAN models, including single or multiple VLANs within an EVPN instance.
* E:Symmetric routing is generally more efficient than asymmetric routing as it uses consistent routing logic in both directions.

NEW QUESTION # 64
Which two statements are true about IP fabrics using unnumbered BGP? (Choose two.)

A. Unnumbered BGP requires that family inet is configured on each interface.
B. Unnumbered BGP peering automatically provisions IPv4 peering.
C. Unnumbered BGP requires that family inet6is configured on each interface.
D. Unnumbered BGP peering automatically provisions IPv6 peering.

Answer: A,B

Explanation:
* Understanding Unnumbered BGP:
* Unnumbered BGP (Border Gateway Protocol) allows BGP peering between routers without assigning specific IP addresses to the interfaces. Instead, it uses the loopback address or another router identifier for the BGP session, making IP address management more straightforward in large-scale networks.
* Family inet Configuration:
* Option C:The family inet configuration is required on each interface involved in unnumbered BGP peering to support IPv4 address families. This ensures that IPv4 peering sessions can be established between devices.
* Automatic IPv4 Peering:
* Option D:Unnumbered BGP peering automatically provisions IPv4 peering sessions. This simplifies the configuration by eliminating the need to manually assign and manage IP addresses for BGP peering.
Conclusion:
* Option C:Correct-Unnumbered BGP requires the family inet configuration for IPv4.
* Option D:Correct-Unnumbered BGP automatically provisions IPv4 peering, simplifying setup.

NEW QUESTION # 65
Exhibit.

Referring to the exhibit, when Host A sends an ARP request for Host B's IP address, which Junos feature does leaf1require to send an ARP response back to Host A without having to send a broadcast frame over the fabric?

A. proxy NDP
B. DAD
C. GARP
D. proxy ARP

Answer: D

Explanation:
* Scenario Overview:
* In the exhibit, Host A is trying to resolve Host B's IP address (10.10.1.2) through ARP (Address Resolution Protocol). Normally, an ARP request would be broadcasted over the network, and the host owning the IP address (Host B) would respond.
* Role of Proxy ARP:
* Option A:Proxy ARPallows a router or switch (in this case, leaf1) to respond to ARP requests on behalf of another host. Leaf1, knowing the MAC address of Host B through the EVPN MAC advertisement, can reply to Host A's ARP request directly without broadcasting the request across the entire network fabric. This feature reduces unnecessary traffic and increases network efficiency.
Conclusion:
* Option A:Correct-Proxy ARP enables leaf1 to respond to Host A's ARP request for Host B's IP without broadcasting over the IP fabric, thus providing the ARP response locally.

NEW QUESTION # 66
......

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Ken Shaw Ken Shaw

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