JuniperのJN0-352認証試験はIT業界にとても重要な地位があることがみんなが、たやすくその証本をとることはではありません。いまの市場にとてもよい問題集が探すことは難しいです。Jpexamは認定で優秀なIT資料のウエブサイトで、ここでJuniper JN0-352認定試験「Enterprise Routing and Switching, Specialist (JNCIS-ENT)」の先輩の経験と暦年の試験の材料を見つけることができるとともに部分の最新の試験の題目と詳しい回答を無料にダウンロードこともできますよ。
| Section | Weight | Objectives |
|---|---|---|
| Layer 2 Security | 10-15% | - DHCP snooping, Dynamic ARP Inspection and IP Source Guard - Port security, MAC limiting and storm control - Layer 2 firewall filters and security features |
| BGP | 15-20% | - Routing policies, filtering and common troubleshooting - Route advertisement, attributes and path selection - Neighbor relationships and session establishment |
| IP Multicast | 5-10% | - Multicast routing monitoring and troubleshooting - PIM Dense Mode, Sparse Mode and RP mechanisms - IGMP operation and configuration |
| OSPF | 15-20% | - Neighbor formation, area design and LSA types - Route summarization and redistribution - Configuration, verification and troubleshooting |
| High Availability and Resiliency | 5-10% | - Graceful restart and non-stop routing - Network resiliency design and troubleshooting - Redundancy protocols and failover mechanisms |
| Tunnels and Overlays | 5-10% | - Overlay network design and connectivity - GRE, IP-IP and dynamic tunnel configuration - Tunnel types, encapsulation and operation |
| Protocol Independent Routing | 10-15% | - Basic routing policy and filter operation - Routing tables, static routes and route preference - Routing instances and route selection criteria |
| IS-IS | 10-15% | - Configuration and route exchange - Adjacency establishment, levels and metrics - Scalable enterprise deployment and troubleshooting |
| Layer 2 Switching and VLANs | 15-20% | - Link Aggregation Groups (LAG) and Virtual Chassis - VLAN concepts, configuration, trunking and tagging - Spanning Tree Protocol (STP, RSTP, MSTP) operation and configuration |
クライアントがJN0-352試験トレントの料金を支払うと、5〜10分でシステムから送信されたメールを受け取ります。その後、クライアントはリンクをたたいてダウンロードすることができ、Juniperその後、JN0-352質問トレントを使用して学習できます。試験の準備をする人にとって時間は非常に重要であるため、クライアントは支払い後すぐにダウンロードできるため、JN0-352ガイド急流の大きな利点です。したがって、クライアントがJN0-352試験問題を使用して学習することは非常に便利です。
質問 # 101
You are required to ensure that Switch 1 will always be designated as the root bridge when participating in your switched network. What do you need to do to satisfy this requirement?
正解：B
解説：
Because root bridge election is decided primarily by comparing bridge priority values -- with the switch advertising the numerically lowest priority always winning, and MAC address serving only as a fallback tiebreaker when priorities are tied -- the only deterministic, reliable way to guarantee that a specific switch is elected root regardless of any other switch's hardware characteristics is to explicitly configure that switch with a lower bridge priority than every other participating switch in the topology. Relying on MAC address alone, as the first distractor suggests, is fundamentally unreliable: MAC addresses are burned in at the factory, cannot be predicted or controlled by the administrator, and any future hardware replacement or newly introduced switch with a numerically lower MAC address could unexpectedly seize the root role since MAC comparison only comes into play at equal priority in the first place, meaning a 'highest MAC' strategy does not even align with how the tiebreak actually favors the lowest value. Port priority and port cost are entirely separate STP parameters that influence which port on a non-root switch is selected as its root port, or which port is selected as designated versus blocking on a given segment; neither parameter has any bearing whatsoever on which switch is elected root bridge for the whole topology, since that decision is made purely from the Bridge ID comparison, independent of any per-port settings. Explicitly and deliberately lowering Switch 1's configured bridge priority is the only correct, industry-standard method.
質問 # 102
You are receiving multiple BGP routes from an upstream neighbor and only want to advertise a single summarized prefix to your internal OSPF neighbors. This route should only be advertised when you are receiving these BGP routes from this neighbor.
In this scenario, which type of route should you create?
正解：D
質問 # 103
Which statement is true about Layer 2 firewall filters on EX Series switches?
正解：C
質問 # 104
When electing a DIS in an IS-IS network, what is used to break a priority tie?
正解：D
質問 # 105
Which two statements describe the purpose of a BGP notification message? (Choose two.)
正解：B、D
解説：
A BGP NOTIFICATION message is one of the four core message types defined in RFC 4271, alongside OPEN, UPDATE, and KEEPALIVE, and it serves a very specific and narrow purpose within the protocol:
whenever a BGP speaker detects an unrecoverable, fatal condition in the session - such as a malformed OPEN message, an unsupported capability, a hold-timer expiration, a finite-state-machine error, or an administratively initiated reset - it transmits a NOTIFICATION message to its peer immediately before closing the underlying TCP connection and tearing down the session entirely. This confirms that a NOTIFICATION always signals the termination of the session upon a fatal error, never a routine, in-session update. Structurally, every NOTIFICATION message carries a defined error code and error subcode field, which together precisely classify the category and specific nature of the fault that triggered the termination (for example, 'Cease' with a subcode indicating administrative shutdown, or 'Update Message Error' with a subcode indicating a malformed attribute), giving the receiving peer's administrator concrete diagnostic information about exactly why the session was torn down. Updating route attributes while keeping a session alive is the role of the UPDATE message, not NOTIFICATION, and refreshing a neighbor's table without resetting the session describes the optional Route Refresh capability (a separate, distinct BGP mechanism), neither of which describes NOTIFICATION's function. Reference topics: Junos Enterprise Routing - BGP, BGP Message Types and the NOTIFICATION Message.
質問 # 106
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JN0-352模擬問題集: https://www.jpexam.com/JN0-352_exam.html