[2024] Use Valid New JN0-280 Test Notes & JN0-280 Valid Exam Guide
JN0-280 Actual Questions Answers PDF 100% Cover Real Exam Questions
NEW QUESTION # 45
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 provides authentication for an Ethernet traffic between two network nodes.
- C. It does not provide encryption for an Ethernet traffic between two network nodes.
- D. It provides encryption for an Ethernet traffic between two network nodes.
Answer: B,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: C
NEW QUESTION # 47
In networking, what is a RIB group primarily used for?
- A. To dynamically generate routing entries
- B. To filter routes based on specific criteria
- C. To group multiple Routing Information Bases together for a common purpose
- D. To balance the load across multiple links
Answer: C
NEW QUESTION # 48
In the context of protocol-independent routing, what is the main difference between static and generated routes?
- A. Static routes require manual configuration, while generated routes are created dynamically.
- B. Generated routes are manually configured, while static routes are automatically created.
- C. Static routes are used for load balancing, while generated routes are not.
- D. Generated routes support summarization, while static routes do not.
Answer: A
NEW QUESTION # 49
Which OSPF troubleshooting tool is used to check the OSPF process and neighborship?
- A. Traceoptions
- B. Route summarization
- C. Ping
- D. SNMP
Answer: A
NEW QUESTION # 50
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 reduce the number of adjacencies on broadcast networks.
- D. They redistribute routes between OSPF and non-OSPF networks.
Answer: C
NEW QUESTION # 51
In OSPF, which command is commonly used to monitor neighbor relationships?
- A. show ip ospf neighbors
- B. show ospf interfaces
- C. show ospf database
- D. show ip route ospf
Answer: A
NEW QUESTION # 52
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 # 53
With regards to graceful restart, which two statements are true? (Choose two.)
- A. Dual routing engines are required for graceful restart to work.
- B. NSR must be enabled for graceful restart to work.
- C. The network topology must be stable for graceful restart to work.
- D. A supported routing protocol, such as BGP, must be operational for graceful restart to work.
Answer: C,D
NEW QUESTION # 54
Which LSA types are associated with OSPF? (Choose three)
- A. Network LSA (Type 2)
- B. Router LSA (Type 1)
- C. External LSA (Type 5)
- D. Summary LSA (Type 3)
Answer: A,B,D
NEW QUESTION # 55
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 sends the frame to its default gateway.
- C. It buffers the frame until the MAC address can be learned.
- D. It floods the frame out of all ports except the one it was received on.
Answer: D
NEW QUESTION # 56
Referring to the exhibit, how many stages are in this IP fabric?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 57
BGP is primarily used for which purpose in a network?
- A. Internal routing within a single autonomous system
- B. Providing Layer 2 connectivity
- C. Encrypting data traffic between networks
- D. Connecting different autonomous systems and route sharing
Answer: D
NEW QUESTION # 58
When configuring static routes, which command is typically used?
- A. set firewall filter
- B. set routing-options rib-groups
- C. set protocols static route
- D. set route aggregate
Answer: C
NEW QUESTION # 59
What is the first route selection mechanism for IBGP?
- A. MED
- B. local preference
- C. origin
- D. as path
Answer: B
NEW QUESTION # 60
Referring to the exhibit, which two statements are correct about the IP fabric? (Choose two.)
- A. This is a five-stage fabric.
- B. All traffic must traverse the super spine devices.
- C. This is a three-stage IP fabric.
- D. Only traffic between pods must traverse the super spine devices.
Answer: A,D
NEW QUESTION # 61
Which OSPF router type connects an OSPF area to non-OSPF networks?
- A. Autonomous System Boundary Router (ASBR)
- B. Backbone Router
- C. Internal Router
- D. Area Border Router (ABR)
Answer: A
NEW QUESTION # 62
What type of BGP is used for routing within the same autonomous system?
- A. Dynamic BGP
- B. IBGP
- C. EBGP
- D. Static BGP
Answer: B
NEW QUESTION # 63
Which of the following statements are correct about the Spine/Leaf architecture? (Choose two)
- A. The Spine layer switches interconnect various Leaf switches.
- B. The architecture reduces the need for inter-switch link (ISL) redundancy.
- C. Each Leaf switch is directly connected to every server in the data center.
- D. Spine switches can connect directly to the data center's external network.
Answer: A,D
NEW QUESTION # 64
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The JN0-280 exam covers a range of topics related to data center networking, including data center architecture, Ethernet switching, VLANs, Spanning Tree Protocol, and link aggregation. It also covers Juniper Networks devices and technologies, including Junos OS, virtual chassis technology, and Juniper Networks QFabric system.
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