JN0-351퍼펙트덤프데모덤프의모든문제를기억하면시험패스가능

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최신 JN0-351덤프,JN0-351시험의 모든 내용을 덮고 있습니다.

많은 사이트에서Juniper 인증JN0-351 인증시험대비자료를 제공하고 있습니다. 그중에서 KoreaDumps를 선택한 분들은Juniper 인증JN0-351시험통과의 지름길에 오른것과 같습니다. KoreaDumps는 시험에서 불합격성적표를 받으시면 덤프비용을 환불하는 서

Juniper JN0-351 시험요강:

주제소개
주제 1
  • Layer 2 Security: This topic introduces Layer 2 protection mechanisms and firewall filters to fortify network security. Practical skills in configuring, monitoring, and troubleshooting these features prepare candidates to address exam objectives and real-world challenges effectively.
주제 2
  • Protocol Independent Routing: An essential domain for understanding routing components outside protocol dependencies, this topic enhances expertise in configuring, monitoring, and troubleshooting critical elements.
주제 3
  • BGP: This topic focuses on the operational and conceptual elements of BGP, a cornerstone in enterprise networks.
주제 4
  • OSPF: The concepts and operational details of OSPF are explored, providing tools for routing efficiency. Configuration and troubleshooting mastery ensure readiness for both the exam and complex enterprise environments.

최신 JNCIS-ENT JN0-351 무료샘플문제 (Q36-Q41):

질문 # 36
You are concerned about spoofed MAC addresses on your LAN.
Which two Layer 2 security features should you enable to minimize this concern? (Choose two.)

정답：C,D

설명：
* A is correct because dynamic ARP inspection (DAI) is a Layer 2 security feature that prevents ARP spoofing attacks. ARP spoofing is a technique that allows an attacker to send fake ARP messages to associate a spoofed MAC address with a legitimate IP address. This can result in traffic redirection, man-in-the-middle attacks, or denial-of-service attacks. DAI validates ARP packets by checking the source MAC address and IP address against a trusted database, which is usually built by DHCP snooping 1 . DAI discards any ARP packets that do not match the database or have invalid formats 1 .
* C is correct because DHCP snooping is a Layer 2 security feature that prevents DHCP spoofing attacks. DHCP spoofing is a technique that allows an attacker to act as a rogue DHCP server and offer fake IP addresses and other network parameters to unsuspecting clients. This can result in traffic redirection, man-in-the-middle attacks, or denial-of-service attacks. DHCP snooping filters DHCP messages by classifying switch ports as trusted or untrusted. Trusted ports are allowed to send and receive any DHCP messages, while untrusted ports are allowed to send only DHCP requests and receive only valid DHCP replies from trusted ports 2 . DHCP snooping also builds a database of MAC addresses, IP addresses, lease times, and binding types for each client 2 .


질문 # 37
What are two interarea OSPF LSA types? (Choose two.)

정답：A,D


질문 # 38
Which two types of tunnels are able to be created on all Junos devices? (Choose two.)

정답：A,C

설명：
GRE tunnels can be created on all Junos devices. GRE is a tunneling protocol that encapsulates a wide variety of network layer protocols inside virtual point-to-point links.
IP-IP tunnels can also be created on all Junos devices. IP-IP tunneling is used to encapsulate IP packets within IP packets, providing a simple way to tunnel IP traffic.


질문 # 39
What is a purpose of using a spanning tree protocol?

정답：A

설명：
A broadcast storm is a network condition where a large number of broadcast packets are sent and received by multiple devices, causing congestion and performance degradation. A broadcast storm can occur when there are loops in the network topology, meaning that there are multiple paths between two devices.
A spanning tree protocol is a network protocol that prevents loops from being formed when switches or bridges are interconnected via multiple paths. It does this by creating a logical tree structure that spans all the devices in the network, and disabling or blocking the links that are not part of the tree, leaving a single active path between any two devices.
By eliminating loops, a spanning tree protocol also eliminates broadcast storms, as broadcast packets will not be forwarded endlessly along the looped paths. Instead, broadcast packets will be sent only along the tree structure, reaching each device once and avoiding congestion.


질문 # 40
Which two statements are true about high availability on Junos devices? (Choose two.)

정답：A,C


질문 # 41
......

현재 많은 IT인사들이 같은 생각하고 잇습니다. 그것은 바로Juniper JN0-351인증시험자격증 취득으로 하여 IT업계의 아주 중요한 한걸음이라고 말입니다.그만큼Juniper JN0-351인증시험의 인기는 말 그대로 하늘을 찌르고 잇습니다,

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