[Dec-2024] Juniper JN0-280 Exam Practice Test Questions - Pass4Leader
Updated Certification Exam JN0-280 Dumps - Practice Test Questions
The JN0-280 certification exam is designed to test a candidate's knowledge in several key areas, including data center architecture, virtualization, storage, switching, security, and automation. JN0-280 exam consists of multiple-choice questions and is conducted in a proctored environment. Candidates are required to demonstrate their understanding of core data center technologies and their ability to configure and manage Juniper Networks devices in a data center environment.
Earning the JNCIA-DC certification can open up many career opportunities for IT professionals. It demonstrates that they have the skills and knowledge required to design, configure, and manage data center networks using Juniper Networks technology. Data Center, Associate (JNCIA-DC) certification is recognized by many organizations around the world, and it can help individuals stand out in a competitive job market. Additionally, the JNCIA-DC certification is a prerequisite for higher-level Juniper Networks certifications, such as the Juniper Networks Certified Specialist Data Center (JNCIS-DC) and Juniper Networks Certified Expert Data Center (JNCIE-DC) certifications.
NEW QUESTION # 41
Referring to the exhibit, which two statements are true? (Choose two.)
- A. The BGP group is configured to attempt an EBGP peering session with 192.168.100.1.
- B. The configuration will pass the commit check.
- C. The configuration will not pass the commit check.
- D. The BGP group is configured to attempt an EBGP peering session with 192.168.100.2.
Answer: C,D
NEW QUESTION # 42
What is the default Junos behavior of access ports?
- A. Allow both tagged and untagged traffic
- B. Allow only untagged traffic
- C. Allow only tagged traffic
- D. Allow a maximum of 80 percent untagged traffic
Answer: B
NEW QUESTION # 43
What are two characteristics of a typical EBGP underlay fabric? (Choose two.)
- A. An EBGP fabric does not require an IGP to advertise loopback IPs.
- 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. Each device in an EBGP fabric will be configured in its own unique private AS.
Answer: A,D
NEW QUESTION # 44
Generated routes in a network are mainly used to:
- A. Reduce the overall size of the routing table.
- B. Automatically create a route when a specified condition is met.
- C. Summarize external routes into the network.
- D. Manually configure specific network routes.
Answer: B
NEW QUESTION # 45
What are the different OSPF area types? (Choose two)
- A. Default-Free Zone
- B. Virtual Link Area
- C. Not-So-Stubby Area (NSSA)
- D. Stub Area
Answer: C,D
NEW QUESTION # 46
Referring to the exhibit, how many broadcast domains are present in the topology?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 47
What happens if a frame with a known destination MAC address enters a switch?
- A. The ingress PFE sends the header information to the RE.
- B. The MAC address is added to the bridge table.
- C. The ingress PFE performs a MAC address lookup and determines the egress PFE and port.
- D. The egress PFE performs a MAC address lookup and determines the ingress PFE and port.
Answer: C
NEW QUESTION # 48
What is Integrated Routing and Bridging (IRB) primarily used for in a Junos device?
- A. For aggregating multiple interfaces.
- B. To provide inter-VLAN routing.
- C. For implementing security policies.
- D. To separate VLAN traffic.
Answer: B
NEW QUESTION # 49
Referring to the exhibit, which statement is correct?
- A. The ge-0/0/12 interfaces is an access port.
- B. The asterisk indicates that the interface is active.
- C. The ge-0/0/0 interface has been explicitly assigned to a VLAN named default.
- D. The default VLAN is a user defined VLAN name.
Answer: B
NEW QUESTION # 50
What is the primary use of a virtual link in OSPF?
- A. To balance load across multiple links.
- B. To encrypt OSPF traffic.
- C. To connect an OSPF area to the backbone area through a non-backbone area.
- D. To connect OSPF areas to external networks.
Answer: C
NEW QUESTION # 51
In networking, what is a RIB group primarily used for?
- A. To balance the load across multiple links
- B. To group multiple Routing Information Bases together for a common purpose
- C. To dynamically generate routing entries
- D. To filter routes based on specific criteria
Answer: B
NEW QUESTION # 52
When configuring MAC address filtering on a Junos switch, which feature is primarily used?
- A. Port security
- B. Access Control Lists (ACLs)
- C. RADIUS
- D. Firewall filters
Answer: A
NEW QUESTION # 53
Load balancing in routing is used to:
- A. Automatically update routing tables.
- B. Compress data to improve transmission speed.
- C. Distribute traffic evenly across multiple paths.
- D. Encrypt data packets.
Answer: C
NEW QUESTION # 54
When troubleshooting issues with static routes, what is a key factor to check first?
- A. The correctness of the specified next-hop addresses
- B. The number of aggregate routes configured
- C. If the routing table has enough memory
- D. The speed of the router's CPU
Answer: A
NEW QUESTION # 55
Referring to the exhibit, how many stages are in this IP fabric?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 56
What is the primary purpose of OSPF in network routing?
- A. To provide path vector routing within an autonomous system.
- B. To encrypt data traffic between different networks.
- C. To offer dynamic routing within an autonomous system using link-state information.
- D. To redistribute routes between autonomous systems.
Answer: C
NEW QUESTION # 57
How can OSPF be configured to prefer one route over another?
- A. By adjusting interface bandwidth.
- B. By setting a lower cost on the preferred route.
- C. By setting a higher cost on the preferred route.
- D. By configuring route redistribution.
Answer: B
NEW QUESTION # 58
Martian addresses are:
- A. Addresses used for load balancing.
- B. Addresses used in MPLS.
- C. Special routes for interplanetary communication.
- D. Unroutable addresses that are generally filtered by routers.
Answer: D
NEW QUESTION # 59
What does the qualified-next-hop feature do when configuring a static route?
- A. It specifies the IP address of the directly connected device.
- B. It allows you to specify an independent route preference value for an additional next hop.
- 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.
Answer: B
NEW QUESTION # 60
In the context of Link Aggregation Groups (LAG), what is the primary purpose of LACP?
- A. To reduce the speed of data transfer
- B. To provide a method for encrypting data packets
- C. To dynamically manage the bundling of several physical ports
- D. To increase the error rate in data transmission
Answer: C
NEW QUESTION # 61
Which two statements are correct about using LACP on a Junos device? (Choose two.)
- A. LACP is used to automatically add and delete interfaces from aggregated Ethernet bundles on a Junos device.
- B. Both sides of the LACP session must be in active mode to exchange LACP packets on a Junos device.
- C. One side of the LACP session must be in active mode to exchange LACP packets on a Junos device.
- D. LACP is used to monitor the status of an aggregated Ethernet bundle's member interfaces on a Junos device.
Answer: C,D
NEW QUESTION # 62
When configuring BGP, which command is commonly used to define a BGP neighbor?
- A. add bgp connection
- B. neighbor <IP_ADDRESS> remote-as <AS_NUMBER>
- C. bgp set neighbor
- D. set bgp peer
Answer: B
NEW QUESTION # 63
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The JNCIA-DC certification exam is a multiple-choice exam that consists of 65 questions. Candidates are given 90 minutes to complete the exam and must achieve a passing score of 65% or higher to earn the certification. JN0-280 exam is available in multiple languages, including English, Japanese, and Simplified Chinese, making it accessible to individuals from different parts of the world. Passing the JNCIA-DC certification exam demonstrates a candidate's proficiency in data center networking and validates their knowledge and skills to potential employers.
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