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Latest JN0-281 Test Camp - JN0-281 Latest Dumps

They work together and put all their expertise to ensure the top standard of Channel Partner Program Data Center, Associate (JNCIA-DC) JN0-281 valid dumps. Now the Data Center, Associate (JNCIA-DC) JN0-281 exam dumps have become the first choice of Juniper JN0-281 Exam candidates. With the top-notch and updated Juniper JN0-281 test questions you can pass your Data Center, Associate (JNCIA-DC) JN0-281 exam successfulily

Juniper JN0-281 Exam Syllabus Topics:

Topic
Details

Topic 1

Layer 2 Switching and VLANs: This section of the exam measuresthe skills of a Network Support Engineer and covers the essential concepts of Layer 2 switching operations within Junos OS. It includes an overview of Ethernet switching and bridging, providing an understanding of how Layer 2 networks function. The section also introduces VLAN concepts, focusing on port modes, VLAN tagging methods, and the purpose of Integrated Routing and Bridging (IRB). It further explores the practical side by addressing how to configure, monitor, and troubleshoot both Layer 2 switching and VLANs.

Topic 2

High Availability: This section of the exam measures the skills of a Data Center Reliability Engineer and covers strategies to ensure continuous network availability. It includes features like Link Aggregation Groups (LAG), Graceful Restart (GR), Bidirectional Forwarding Detection (BFD), and Virtual Chassis. It also provides a basic understanding of how to configure, monitor, and troubleshoot each of these high-availability components to maintain resilient network performance.

Topic 3

Data Center Routing Protocols BGP
OSPF: This section of the exam measures skills of a Network Operations Specialist and covers the operation and key concepts of the OSPF protocol. It explains elements such as the link-state database, OSPF packet types, and router IDs, including how adjacencies and designated routers work within areas. The section then transitions to BGP, outlining its basic operations, message types, attributes, and the path selection process. It also discusses both IBGP and EBGP roles. Lastly, the section reviews how to configure, monitor, and troubleshoot OSPF and BGP using routing policies and various tools.

Topic 4

Protocol-Independent Routing: This section of the exam measures the skills of a Routing Engineer and covers routing features that function independently of any specific protocol. It includes static, aggregate, and generated routes, along with the concept of martian addresses. Routing instances and Routing Information Base (RIB) groups are introduced, as well as techniques like load balancing and filter-based forwarding. Configuration, monitoring, and troubleshooting aspects of these routing components are also covered in this section.

Topic 5

Data Center Architectures: This section of the exam measures the skills of a Data Center Architect and covers foundational knowledge about various data center designs. It includes traditional multitier architectures as well as more modern IP fabric architectures using spine-leaf topologies. The section also touches on Layer 2 and Layer 3 strategies for forwarding traffic, the differences between overlay and underlay networks, and introduces Ethernet VPN–Virtual Extensible LAN (EVPN-VXLAN), explaining its basic purpose and role in data center environments.

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Juniper Data Center, Associate (JNCIA-DC) Sample Questions (Q148-Q153):

NEW QUESTION # 148
A generated route is configured under which hierarchy?

A. [edit routing-instance]
B. [edit policy-options]
C. [edit protocols]
D. [edit routing-options]

Answer: D

Explanation:
A generated route in Junos OS is configured under the [edit routing-options] hierarchy.
Step-by-Step Breakdown:
Generated Routes:
A generated route is created based on the presence of more specific routes in the routing table. It acts as a summary route and is generated when any of its contributing routes are active. This is commonly used to create aggregate routes in OSPF, BGP, or other protocols.
Configuration Hierarchy:
The configuration for generated routes is placed under [edit routing-options], where other static and routing policies are also defined.
Command Example:
set routing-options generate route 10.10.0.0/16
Juniper
Reference: Routing Options: Juniper routers use the routing-options hierarchy to configure generated routes and other static routing behaviors.

NEW QUESTION # 149
In networking, what is a RIB group primarily used for?

A. To balance the load across multiple links
B. To group multiple Routing Information Bases together for a common purpose
C. To filter routes based on specific criteria
D. To dynamically generate routing entries

Answer: B

NEW QUESTION # 150
Which state in the adjacency process do OSPF routers check the MTU size?

A. Exchange
B. Init
C. Done
D. ExStart

Answer: A

Explanation:
In OSPF, routers exchange link-state information in different stages to establish full adjacency. The MTU size is checked during the Exchange state.
Step-by-Step Breakdown:
OSPF Adjacency Process:
OSPF routers go through multiple stages when forming an adjacency: Down, Init, 2-Way, ExStart, Exchange, Loading, and Full.
Exchange State:
During the Exchange state, OSPF routers exchange Database Description (DBD) packets to describe their link-state databases. The MTU size is checked at this stage to ensure both routers can successfully exchange these packets without fragmentation.
If there is an MTU mismatch, the routers may fail to proceed past the Exchange state.
Juniper Reference:
MTU Checking in OSPF: Junos uses the Exchange state to check for MTU mismatches, ensuring that routers can properly exchange database information without packet fragmentation issues.

NEW QUESTION # 151
Which of the following statements are true regarding Graceful Restart (GR)? (Choose two)

A. It requires support from both the restarting router and its neighbors.
B. It helps in maintaining uninterrupted forwarding during a routing process restart.
C. It decreases network stability during protocol restarts.
D. It is used to increase the convergence time of the network.

Answer: A,B

NEW QUESTION # 152
Which state in the adjacency process do OSPF routers check the MTU size?

A. Exchange
B. Init
C. Done
D. ExStart

Answer: A

Explanation:
In OSPF, routers exchange link-state information in different stages to establish full adjacency. The MTU size is checked during the Exchange state.
Step-by-Step Breakdown:
OSPF Adjacency Process:
OSPF routers go through multiple stages when forming an adjacency: Down, Init, 2-Way, ExStart, Exchange, Loading, and Full.
Exchange State:
During the Exchange state, OSPF routers exchange Database Description (DBD) packets to describe their link-state databases. The MTU size is checked at this stage to ensure both routers can successfully exchange these packets without fragmentation.
If there is an MTU mismatch, the routers may fail to proceed past the Exchange state.
Juniper
Reference: MTU Checking in OSPF: Junos uses the Exchange state to check for MTU mismatches, ensuring that routers can properly exchange database information without packet fragmentation issues.

NEW QUESTION # 153
......

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