Juniper JN0-281 Practice Exams
Last updated on Oct 21,2026- Exam Code: JN0-281
- Exam Name: Data Center, Associate (JNCIA-DC)
- Certification Provider: Juniper
- Latest update: Oct 21,2026
Question #21
With regards to graceful restart, which two statements are true? (Choose two.)
- A . A supported routing protocol, such as BGP, must be operational for graceful restart to work.
- B . NSR must be enabled for graceful restart to work.
- C . Dual routing engines are required for graceful restart to work.
- D . The network topology must be stable for graceful restart to work.
Question #22
What does filter-based forwarding in networking typically allow?
- A . Forwarding decisions based on MAC addresses
- B . Load balancing across multiple CPUs
- C . Routing decisions based on extended criteria like packet headers
- D . Aggregation of multiple routes into a single entry
Question #23
What roles do the Designated Router (DR) and Backup Designated Router (BDR) play in OSPF?
- A . They redistribute routes between OSPF and non-OSPF networks.
- B . They are responsible for generating LSAs for external routes.
- C . They reduce the number of adjacencies on broadcast networks.
- D . They determine the shortest path first algorithm.
Question #24
Which command on a router is used to view the current routing table?
- A . show routing-table
- B . show route
- C . display ip routing-table
- D . check route information
Question #25
In the context of Ethernet bridging on Junos devices, what is the purpose of the Spanning Tree Protocol (STP)?
- A . To prevent routing loops.
- B . To provide a mechanism for VLAN tagging.
- C . To prevent Layer 2 switching loops.
- D . To filter MAC addresses.
Question #26
What is the primary difference between IBGP and EBGP?
- A . The way they advertise routes
- B . The administrative distance
- C . The use of AS_PATH attribute
- D . The requirement for a full mesh topology
Question #27
How does VLAN tagging benefit network segmentation?
- A . By encrypting data traffic between VLANs.
- B . By ensuring the same IP address range can be used in different VLANs.
- C . By enabling the identification and separation of traffic belonging to different VLANs.
- D . By providing a backup path for data in case of link failure.
Question #28
In networking, what is a RIB group primarily used for?
- A . To balance the load across multiple links
- B . To filter routes based on specific criteria
- C . To group multiple Routing Information Bases together for a common purpose
- D . To dynamically generate routing entries
Question #29
In the context of Link Aggregation Groups (LAG), what is the primary purpose of LACP?
- A . To provide a method for encrypting data packets
- B . To dynamically manage the bundling of several physical ports
- C . To reduce the speed of data transfer
- D . To increase the error rate in data transmission
Question #30
In a Virtual Chassis configuration, which of the following is true?
- A . It allows physical stacking of switches that are geographically dispersed.
- B . It reduces the operational complexity of managing multiple switches.
- C . It decreases network redundancy and reliability.
- D . Only two switches can be connected in a Virtual Chassis setup.