JN0-280 Testing Center & JN0-280 Books PDF

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The JN0-280 certification exam is a two-hour exam that consists of multiple-choice questions. JN0-280 exam covers a wide range of topics related to data center networking, including data center architectures, data center interconnects, virtualization, security, and infrastructure. JN0-280 exam is designed to test the candidates' knowledge of data center technologies and their ability to design, configure, and troubleshoot data center networks.

The JN0-280 certification exam is a 90-minute exam that consists of 65 multiple-choice questions. JN0-280 Exam is administered by Pearson VUE and can be taken at any of their testing centers worldwide. To pass the exam, candidates must obtain a minimum score of 65%. Upon successful completion of the exam, candidates will be awarded the Juniper Networks Certified Associate - Data Center (JNCIA-DC) certification. Data Center, Associate (JNCIA-DC) certification is valid for three years, after which candidates must recertify to maintain their certification status.

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Juniper Data Center, Associate (JNCIA-DC) Sample Questions (Q124-Q129):

NEW QUESTION # 124
What are two device roles in a five-member Virtual Chassis? (Choose two.)

A. Line card
B. Routing-engine
C. Control-board
D. PFE

Answer: A,B

Explanation:
In aVirtual Chassis(VC) configuration, multiple Juniper switches are interconnected to form a single logical device. Each member switch in the Virtual Chassis plays a specific role.
Step-by-Step Breakdown:
* Line Card Role:
* Member switches acting asline cardsprovide additional ports for traffic forwarding but do not perform control or routing functions. These switches depend on the routing engine to handle control-plane tasks.
* Routing Engine Role:
* A switch in therouting-enginerole is responsible for control-plane operations such as routing protocol management and control of the Virtual Chassis.
* Virtual Chassis Roles:
* Master Routing Engine: Handles control-plane functions and manages the entire Virtual Chassis.
* Backup Routing Engine: Takes over if the master fails.
* Line Card: Provides additional ports and handles data-plane operations.
Juniper Reference:
* Virtual Chassis: In a five-member Virtual Chassis, multiple switches act asline cards, while one or more switches are designated as therouting engines(master and backup).

NEW QUESTION # 125
In OSPF, which term refers to routers that have interfaces in multiple areas?

A. Backbone Routers
B. Autonomous System Boundary Routers (ASBRs)
C. Internal Routers
D. Area Border Routers (ABRs)

Answer: D

NEW QUESTION # 126
In configuring load balancing on a network router, which aspect is most crucial?

A. The number of routing tables
B. The encryption protocol used
C. The use of aggregate routes
D. The selection of multiple equal-cost paths

Answer: D

NEW QUESTION # 127
Which two statements about IBGP are correct? (Choose two.)

A. IBGP uses AS path for loop prevention.
B. IBGP uses full mesh for loop prevention.
C. By default, IBGP has a TTL of 255.
D. By default, IBGP has a TTL of 1.

Answer: B,C

Explanation:
IBGP (Internal Border Gateway Protocol)is used to exchange routing information betweenrouters within the same AS (Autonomous System).
Step-by-Step Breakdown:
* TTL of 255:
* By default, IBGP sessions are established with aTTL (Time to Live)value of255. This allows IBGP neighbors to communicate over multiple hops within the AS without requiring any additional configuration.
* Full Mesh Requirement:
* IBGP requires alogical full meshbetween all IBGP routers to ensure that routing information is fully distributed within the AS. Since IBGP does not propagate routes learned from one IBGP peer to another by default, a full mesh topology is needed unlessroute reflectorsorBGP confederationsare used.
Juniper Reference:
* IBGP Full Mesh: Juniper recommends using route reflectors in large networks to simplify IBGP full- mesh requirements.

NEW QUESTION # 128
What is the function of the 'Weight' attribute in BGP, and where is it used in the route selection process?

A. It is used to prioritize routes received from different EBGP peers and is considered before the AS_PATH attribute.
B. It is used to balance load among multiple links and is considered after the MED attribute.
C. It determines the stability of a route and is checked after the Local Preference attribute.
D. It is a Cisco-specific attribute used to prefer paths from one BGP speaker over another, evaluated before the Local Preference.

Answer: D

NEW QUESTION # 129
......

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JN0-280 Testing Center & JN0-280 Books PDF

Access Real PrepAwayETE Juniper JN0-280 Exam Questions Easily in dumps PDF Form

Juniper Data Center, Associate (JNCIA-DC) Sample Questions (Q124-Q129):

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