Juniper JN0-280 Data Center, Associate (JNCIA-DC) Online Training
Juniper JN0-280 Online Training
The questions for JN0-280 were last updated at Nov 19,2024.
- Exam Code: JN0-280
- Exam Name: Data Center, Associate (JNCIA-DC)
- Certification Provider: Juniper
- Latest update: Nov 19,2024
VLANs help in reducing which of the following? (Choose two)
- A . Collision domains
- B . Broadcast domains
- C . Routing complexity
- D . Encryption requirements
In the Junos OS, what is the default behavior of a switch when it receives a frame with an unknown destination MAC address?
- A . It discards the frame.
- B . It floods the frame out of all ports except the one it was received on.
- C . It sends the frame to its default gateway.
- D . It buffers the frame until the MAC address can be learned.
Which of the following BGP attributes is considered first in the route selection process?
- A . Local Preference
- B . AS Path Length
- C . Origin
- D . MED
When troubleshooting issues with static routes, what is a key factor to check first?
- A . If the routing table has enough memory
- B . The correctness of the specified next-hop addresses
- C . The speed of the router’s CPU
- D . The number of aggregate routes configured
What is the main advantage of using an Overlay Network in a data center?
- A . It simplifies physical network design by allowing multiple virtual topologies over it.
- B . It replaces the need for physical network infrastructure.
- C . It offers higher physical bandwidth capacity.
- D . It provides direct Internet access to applications.
What are the different OSPF area types? (Choose two)
- A . Stub Area
- B . Not-So-Stubby Area (NSSA)
- C . Default-Free Zone
- D . Virtual Link Area
In OSPF, what is the function of the Link-State Database (LSDB)?
- A . To store OSPF routing tables.
- B . To maintain a list of OSPF neighbors.
- C . To keep the topology structure of the network.
- D . To log changes in network topology.
What are two characteristics of a typical EBGP underlay fabric? (Choose two.)
- A . Each device in an EBGP fabric will be configured in its own unique private AS.
- B . Each device in an EBGP fabric will be configured to be part of the same private AS.
- C . An EBGP fabric relies on an IGP to advertise loopback IPs.
- D . An EBGP fabric does not require an IGP to advertise loopback IPs.
Referring to the exhibit, how many broadcast domains are present in the topology?
- A . 0
- B . 1
- C . 2
- D . 3
How can OSPF be configured to prefer one route over another?
- A . By setting a higher cost on the preferred route.
- B . By configuring route redistribution.
- C . By adjusting interface bandwidth.
- D . By setting a lower cost on the preferred route.
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