[Q60-Q82] 2024 Updated JN0-280 Tests Engine pdf - All Free Dumps Guaranteed!

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2024 Updated JN0-280 Tests Engine pdf – All Free Dumps Guaranteed!

Latest JNCIA-DC JN0-280 Actual Free Exam Questions

Q60. What are two common reasons for BGP routes to be in the hidden state? (Choose two.)

Routes are being rejected by a policy

Routes are being filtered from the inet.2 routing table

The next hop is unresolvable

The BGP neighbor is in a different autonomous system

Q61. Referring to the exhibit, which protocol is associated with the route selected for traffic destinated to 10.255.14.177?

BGP

Direct

OSPF

Local

Q62. What is the primary use of a virtual link in OSPF?

To connect OSPF areas to external networks.

To encrypt OSPF traffic.

To connect an OSPF area to the backbone area through a non-backbone area.

To balance load across multiple links.

Q63. When configuring BGP, which command is commonly used to define a BGP neighbor?

bgp set neighbor

neighbor <IP_ADDRESS> remote-as <AS_NUMBER>

set bgp peer

add bgp connection

Q64. What does the qualified-next-hop feature do when configuring a static route?

It allows you to specify an independent route preference value for an additional next hop.

It specifies the IP address of the directly connected device.

It instructs the device to verify the next-hop is reachable before activating the route.

It instructs the device to looks up a static route s next-hop that is not directly connected.

Q65. In the context of Layer 2 switching, what does RSTP stand for?

Rapid Spanning Tree Protocol

Routing Switch Transport Protocol

Redundant Switching Tree Protocol

Resilient Switching Transport Protocol

Q66. Referring to the exhibit, how many stages are in this IP fabric?

Q67. What is an advantage of using BFD?

BFD is so lightweight that each protocol will generate its own unique BFD session by default, to replace its own hello messages.

BFD built to handle the routing table of the entire Internet, and can safely redistribute it into OSPF.

One BFD monitoring session can be used by multiple protocols.

BFD is built to handle the routing table of the entire Internet, unlike IGPS.

Q68. Which two statements are correct about aggregated Ethernet bundles? (Choose two.)

You must enable the chassis to support aggregated Ethernet interfaces.

You must purchase a services license for the chassis to support aggregate Ethernet interfaces.

You must specify which interfaces are members of a specific aggregated Ethernet bundle.

You must enable LACP when configuring aggregated Ethernet bundles.

Q69. In a Spine/Leaf IP-Fabric architecture, what is the primary role of the leaf switches?

To provide direct connectivity to servers.

To interconnect different data centers.

To perform deep packet inspection.

To manage the overall data center network.

Q70. Which statement is correct about an IP fabric?

Transit traffic is passed through the network based on the original frame’s destination MAC address.

Load sharing is provided by the routing protocol used.

Loop prevention is provided by the underlying spanning tree protocol used.

The entire IP fabric is one large broadcast domain.

Q71. Which of the following are features of storm control on Junos switches? (Choose two)

It can be configured to shut down a port during a storm.

It supports thresholds for broadcast, multicast, and unknown unicast traffic.

It encrypts broadcast and multicast traffic.

It automatically reroutes traffic during a storm.

Q72. What is the purpose of using route reflectors in BGP?

To encrypt BGP messages

To reduce the number of required IBGP sessions in a network

To increase the speed of BGP convergence

To automatically select the best route

Q73. What is the primary purpose of using static routes in a network?

To automatically adjust routes based on network traffic

To provide a manually configured routing entry

To aggregate multiple routes into one

To generate routing entries dynamically

Q74. When configuring MAC address filtering on a Junos switch, which feature is primarily used?

Firewall filters

RADIUS

Access Control Lists (ACLs)

Port security

Q75. When troubleshooting issues with static routes, what is a key factor to check first?

If the routing table has enough memory

The correctness of the specified next-hop addresses

The speed of the router’s CPU

The number of aggregate routes configured

Q76. Which of the following are true about Layer 2 and Layer 3 strategies in data center architectures? (Choose two)

Layer 2 strategies are typically used for creating large, flat networks.

Layer 3 strategies cannot be used in conjunction with Layer 2 environments.

Layer 3 strategies help in reducing broadcast domains.

Layer 2 strategies are primarily used for inter-data center connectivity.

Q77. Which two statements describe an OSPF ABR? (Choose two.)

By default, an ABR does not need to have any links in the backbone area.

By default, an ABR is an OSPF router with links in two areas.

By default, an ABR is an OSPF router with all of its links in one area.

By default, an ABR must have one link in the OSPF backbone area.

Q78. How does a layer 2 switch populate its bridge table?

It stores the protocol number of frames traversing the network.

It stores both the source and destination MAC addresses of frames traversing the network.

It stores the destination MAC address of frames traversing the network.

It stores the source MAC address of frames traversing the network.

Q79. What does VXLAN stand for in the context of EVPN/VXLAN?

Virtual Extensible VLAN

Virtualized Ethernet VPN

Very Extended Virtual LAN

Virtual X-Series LAN

Q80. Referring to the exhibit, how many broadcast domains are present in the topology?

Q81. Which command on a router is used to view the current routing table?

show routing-table

show route

display ip routing-table

check route information

Q82. What is the primary use of Martian addresses in network routing?

To define addresses used for multicasting.

To identify addresses that should be excluded from routing.

To configure virtual IP addresses for load balancing.

To create a backup routing plan.

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[Q60-Q82] 2024 Updated JN0-280 Tests Engine pdf – All Free Dumps Guaranteed!

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