Juniper JN0-280 Real Exam Questions
The questions for JN0-280 were last updated at Jul 24,2024.
- Exam Code: JN0-280
- Exam Name: Data Center, Associate (JNCIA-DC)
- Certification Provider: Juniper
- Latest update: Jul 24,2024
Question #1
Referring to the exhibit, which statement is correct?
- A . The ge-0/0/0 interface has been explicitly assigned to a VLAN named default.
- B . The default VLAN is a user defined VLAN name.
- C . The asterisk indicates that the interface is active.
- D . The ge-0/0/12 interfaces is an access port.
Question #2
Referring to the exhibit, how many milliseconds will pass before the BGP neighbor is considered dead?
- A . 1000ms
- B . 9000ms
- C . 2000ms
- D . 3000ms
Question #3
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 #4
Which LSA types are associated with OSPF? (Choose three)
- A . Router LSA (Type 1)
- B . Network LSA (Type 2)
- C . Summary LSA (Type 3)
- D . External LSA (Type 5)
Question #5
What is the primary purpose of using aggregate routes in a network?
- A . To dynamically adjust to network changes
- B . To summarize and reduce the number of routes in the routing table
- C . To filter unwanted traffic
- D . To statically define a route to a specific destination
Question #6
Which statement is correct about the OSPF link-state database?
- A . Each router within the same area must maintain a unique copy of the link-state database.
- B . Each router within the same area must maintain an identical copy of the link-state database.
- C . Each router within the OSPF domain must maintain a unique copy of the link-state database.
- D . Each router within the OSPF domain must maintain an identical copy of the link-state database.
Question #7
What is the default route preference for a static route on a Junos device?
- A . 130
- B . 15
- C . 10
- D . 5
Question #8
Referring to the exhibit, how many broadcast domains are present in the topology?
- A . 0
- B . 1
- C . 2
- D . 3
Question #9
What does the “qualified-next-hop” feature do when configuring a static route?
- A . It allows you to specify an independent route preference value for an additional next hop.
- B . It specifies the IP address of the directly connected device.
- C . It instructs the device to verify the next-hop is reachable before activating the route.
- D . It instructs the device to looks up a static route’s next-hop that is not directly connected.
Question #10
What is the purpose of using route reflectors in BGP?
- A . To encrypt BGP messages
- B . To reduce the number of required IBGP sessions in a network
- C . To increase the speed of BGP convergence
- D . To automatically select the best route