Juniper JN0-280 Data Center, Associate (JNCIA-DC) Online Training
Juniper JN0-280 Online Training
The questions for JN0-280 were last updated at Oct 29,2024.
- Exam Code: JN0-280
- Exam Name: Data Center, Associate (JNCIA-DC)
- Certification Provider: Juniper
- Latest update: Oct 29,2024
Which of the following is an important consideration when configuring BFD?
- A . Setting a very high multiplier to avoid false positives
- B . Using the same BFD interval on all devices in the network
- C . Adjusting the BFD interval and multiplier according to network needs
- D . Disabling all other failure detection mechanisms
In the context of Layer 2 switching, what does RSTP stand for?
- A . Rapid Spanning Tree Protocol
- B . Routing Switch Transport Protocol
- C . Redundant Switching Tree Protocol
- D . Resilient Switching Transport Protocol
What is the default route preference for a static route on a Junos device?
- A . 130
- B . 15
- C . 10
- D . 5
Which statement is correct about a five-stage IP fabric topology?
- A . There is a maximum of five hops between any end-devices
- B . They are commonly referred to as interconnected data centers
- C . There is a maximum of three hops between any end-devices
- D . They are typically deployed in small to medium data centers
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
In the context of data center networking, what is the primary purpose of an Underlay Network?
- A . To provide a physical infrastructure for an Overlay Network.
- B . To handle external network connections exclusively.
- C . To facilitate virtual machine migrations.
- D . To encrypt data traffic between servers.
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
What is an advantage of using BFD?
- A . BFD is so lightweight that each protocol will generate its own unique BFD session by default, to replace its own hello messages.
- B . BFD built to handle the routing table of the entire Internet, and can safely redistribute it into OSPF.
- C . One BFD monitoring session can be used by multiple protocols.
- D . BFD is built to handle the routing table of the entire Internet, unlike IGPS.
Bidirectional Forwarding Detection (BFD) is primarily used for:
- A . Encrypting data packets
- B . Detecting slow links in the network
- C . Quick failure detection in forwarding paths
- D . Aggregating multiple links
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 determines the stability of a route and is checked after the Local Preference attribute.
- C . It is a Cisco-specific attribute used to prefer paths from one BGP speaker over another, evaluated before the Local Preference.
- D . It is used to balance load among multiple links and is considered after the MED attribute.
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