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Juniper Networks is a leading provider of network infrastructure and security solutions, with a wide range of products designed for enterprises and service providers of all sizes. Juniper certifications are highly valued in the industry, and the Juniper JN0-280 exam is a popular choice for those seeking to gain knowledge and expertise in the area of data center networking.
NEW QUESTION # 70
Which two statements are true with regards to MACsec?
- A. It does not provide authentication for an Ethernet traffic between two network nodes.
- B. It does not provide encryption for an Ethernet traffic between two network nodes.
- C. It provides encryption for an Ethernet traffic between two network nodes.
- D. It provides authentication for an Ethernet traffic between two network nodes.
Answer: C,D
NEW QUESTION # 71
Which Junos operational mode command is used to troubleshoot issues with VLANs?
- A. monitor traffic
- B. show ethernet-switching table
- C. show interfaces
- D. show vlans
Answer: B
NEW QUESTION # 72
What is the primary purpose of MAC address filtering on a switch?
- A. To prevent unauthorized devices from accessing the network.
- B. To control the flow of encrypted data.
- C. To limit the rate of incoming packets.
- D. To distribute traffic evenly across multiple links.
Answer: A
NEW QUESTION # 73
What roles do the Designated Router (DR) and Backup Designated Router (BDR) play in OSPF?
- A. They are responsible for generating LSAs for external routes.
- B. They determine the shortest path first algorithm.
- C. They redistribute routes between OSPF and non-OSPF networks.
- D. They reduce the number of adjacencies on broadcast networks.
Answer: D
NEW QUESTION # 74
What is the primary purpose of OSPF in network routing?
- A. To offer dynamic routing within an autonomous system using link-state information.
- B. To provide path vector routing within an autonomous system.
- C. To redistribute routes between autonomous systems.
- D. To encrypt data traffic between different networks.
Answer: A
NEW QUESTION # 75
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 # 76
Which LSA types are associated with OSPF? (Choose three)
- A. External LSA (Type 5)
- B. Network LSA (Type 2)
- C. Summary LSA (Type 3)
- D. Router LSA (Type 1)
Answer: B,C,D
NEW QUESTION # 77
In the context of Link Aggregation Groups (LAG), what is the primary purpose of LACP?
- A. To dynamically manage the bundling of several physical ports
- B. To increase the error rate in data transmission
- C. To reduce the speed of data transfer
- D. To provide a method for encrypting data packets
Answer: A
NEW QUESTION # 78
What are two characteristics of a typical EBGP underlay fabric? (Choose two.)
- A. Each device in an EBGP fabric will be configured to be part of the same private AS.
- B. Each device in an EBGP fabric will be configured in its own unique private AS.
- C. An EBGP fabric does not require an IGP to advertise loopback IPs.
- D. An EBGP fabric relies on an IGP to advertise loopback IPs.
Answer: B,C
NEW QUESTION # 79
Which of the following is an important consideration when configuring BFD?
- A. Setting a very high multiplier to avoid false positives
- B. Adjusting the BFD interval and multiplier according to network needs
- C. Using the same BFD interval on all devices in the network
- D. Disabling all other failure detection mechanisms
Answer: B
NEW QUESTION # 80
Which two statement are correct about trunk ports? (Choose two.)
- A. By default, trunk ports can transmit and receive VLAN tagged traffic.
- B. Trunk ports typically connect to other switches and routers.
- C. Trunk ports typically connect to end users and servers.
- D. By default, trunk ports can transmit and receive untagged traffic.
Answer: A,B
NEW QUESTION # 81
In Ethernet switching, what is the primary function of a storm control policy?
- A. To filter MAC addresses.
- B. To restrict the rate of certain types of traffic.
- C. To segregate broadcast domains.
- D. To prevent loops in the network.
Answer: B
NEW QUESTION # 82
VLANs help in reducing which of the following? (Choose two)
- A. Routing complexity
- B. Collision domains
- C. Encryption requirements
- D. Broadcast domains
Answer: B,D
NEW QUESTION # 83
In configuring load balancing on a network router, which aspect is most crucial?
- A. The number of routing tables
- B. The selection of multiple equal-cost paths
- C. The encryption protocol used
- D. The use of aggregate routes
Answer: B
NEW QUESTION # 84
In Junos, which command is used to display the status of all interfaces?
- A. show interfaces descriptions
- B. show interfaces terse
- C. show ethernet-switching table
- D. show vlan brief
Answer: B
NEW QUESTION # 85
What is the first route selection mechanism for IBGP?
- A. as path
- B. local preference
- C. MED
- D. origin
Answer: B
NEW QUESTION # 86
In the context of Ethernet bridging on Junos devices, what is the purpose of the Spanning Tree Protocol (STP)?
- A. To filter MAC addresses.
- B. To prevent Layer 2 switching loops.
- C. To provide a mechanism for VLAN tagging.
- D. To prevent routing loops.
Answer: B
NEW QUESTION # 87
Which of the following is a key benefit of implementing High Availability (HA) in a network?
- A. Enhanced data redundancy
- B. Increased network downtime
- C. Slower data recovery
- D. Reduced network security
Answer: A
NEW QUESTION # 88
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