Juniper JN0-349日常練習試験は2023年最新のに更新された112問あります
有効問題を試そう！JN0-349試験で実際の試験問題と解答
質問 # 17
You have configured OSPF routing as shown in the exhibit. You notice that all interfaces have
formed full adjacencies, with the exception of the interfaces connecting R3 and R4 with a status
of 2Way.
What is the reason for this status?
- A. The two routers must both be configured as DR routers.
- B. DROther routers will not form a full adjacency with each other.
- C. The two routers must be configured in different areas.
- D. The interface-type is not configured as p2p.
正解：B
解説：
https://kb.juniper.net/InfoCenter/index?page=content&id=KB14881
質問 # 18
Your network is configured with dynamic ARP inspection (DAI) using the default parameters for all the DHCP and ARP related configurations. You just added a new device connected to a trunk port and configured it to obtain an IP address using DHCP.
Which two statements are correct in this scenario? (Choose two.)
- A. The DHCP server assign the IP addressing information to the new device.
- B. DHCP snooping adds the DHCP assigned IP address for the device to its database.
- C. The SRP request and response packets for the new device will bypass DAI.
- D. DAI validates the ARP packets for the new device against the DHCP snooping database.
正解：A、B
解説：
Explanation
https://www.juniper.net/documentation/en_US/junos/topics/concept/port-security-dhcp-snooping-els.html
質問 # 19
Which two statements are correct. (Choose two.)
- A. Route 2001:2244:3311:321:233::.128 has been prepended.
- B. The active path to2001:2244:3311:321:233::.128 will exist using interface irb.433.
- C. The AS path shows two hops to their IBGP routers within autonomous system 62553.
- D. Route 2001:2244:3311:321:233::.128 will be advertised to an EBGP peer in AS 62553.
正解：A、B
質問 # 20
Which two OSPF header fields must match to form an adjacency over a broadcast connection?
(Choose two.)
- A. Options
- B. Router priority
- C. neighbor
- D. Hello interval
正解：A、D
解説：
https://www.juniper.net/documentation/us/en/software/junos/ospf/topics/topic-map/ospf-
overview.html
質問 # 21
Which two situations would cause dynamic ARP inspection to drop traffic? (Choose two.)
- A. If the IP address in the ARP packet is deemed invalid
- B. If the requested MAC address exceeds the configured limit on the port
- C. If no IP-to-MAC address entry exists in the DHCP snooping database
- D. If the ARP packet comes from a port that has been configured as trusted
正解：A、C
解説：
Explanation
https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/understanding-and-using-dai.html
質問 # 22
You are enabling dynamic ARP inspection on an EX4300 switch Which service is enabled by default in this scenario?
- A. persistent MAC learning
- B. MAC limiting
- C. DHCP snooping
- D. IP Source Guard
正解：C
質問 # 23
Click the Exhibit button.
Referring to the exhibit, what is the problem?
- A. LAG requires more than two member links
- B. Aggregated interfaces must be defined under the chassis stanza
- C. LACP is required for LAG to work
- D. The LAG member interfaces are configured across different line cards
正解：B
質問 # 24
Which two sequences correctly describe the processing order of firewall filters on an EX Series
switch? (Choose two.)
- A. receive packet > port filter > VLAN filter > router filter
- B. port filter > VLAN filter > router filter > transmit packet
- C. receive packet > router filter > VLAN filter > port filter
- D. router filter > VLAN filter > port filter > transmit packet
正解：B、C
質問 # 25
Which statement is true about the configuration shown in the exhibit?
- A. Only the local -pref import will be evaluated when routes are learned neighbor 172.301.1.
- B. Only the add-community import policy will be evaluated routers are learned neighbor 172.30.1.1.
- C. Both the add-community and local-pref import policies will be evaluated routes are learned from
neighbor 172.30.2.1. - D. No import policy will be evaluated when routes are learned from neighbor 172.30.2.1.
正解：A
質問 # 26
Click the Exhibit button.
Referring to the exhibit, what do the asterisks (*) indicate?
- A. The router received the entries
- B. The entries are new
- C. The entries are stale
- D. The router originated the entries
正解：D
質問 # 27
Which two statements are true regarding RIB groups? (Choose two.)
- A. A RIB group must contain one or more export-rib statements.
- B. The last table listed is the primary route table and determines the address family of the RIB group.
- C. A RIB group must contain one or more import-rib statements.
- D. The first table listed is the primary route table and determines the address family of the RIB group.
正解：C、D
質問 # 28
Which protocol prevents loops and calculates the best path through a switched network that
contains redundant paths?
- A. IS-IS
- B. DHCP
- C. VRRP
- D. STP
正解：D
質問 # 29
You want to use filter-based forwarding (FBF) to forward traffic sourced from subnet 10.0.0.0/24 to a specific destination.
Which two routing instance types would enable you to accomplish this task? (Choose two.)
- A. forwarding
- B. virtual routing and forwarding
- C. virtual switch
- D. virtual router
正解：A、D
質問 # 30
Click the Exhibit button.
Referring to the exhibit, Router-1 and Router-2 are failing to form an IS-IS adjacency.
What should you do to solve the problem?
- A. Remove the overloaded statement from Router-1.
- B. Change the IP subnet masks to match on the ge-0/0/2 interfaces of both routers.
- C. Change the ISO areas on the lo0 interfaces to match on both routers.
- D. Remove the ISO address from ge-0/0/2 on Router-1.
正解：D
質問 # 31
Which two statements about DIS elections in IS-IS are correct? (Choose two.)
- A. The router with the lower priority value becomes the DIS.
- B. The router with the higher priority value becomes the DIS.
- C. If a priority tie occurs, the router with the lower subnetwork point of attachment (SNPA) value becomes the DIS.
- D. If a priority tie occurs, the router with the higher subnetwork point of attachment (SNPA) value becomes the DIS.
正解：B、D
質問 # 32
Which two statements about OSPF not-so-stubby areas are correct? (Choose two.)
- A. Type 7 LSAs are translated by the ABR into Type 5 LSAs.
- B. Type 5 LSAs are translated by the ASBR into Type 7 LSAs.
- C. The ASBR originates Type 7 LSAs for redistributed external routes.
- D. The ASBR originates Type 5 LSAs for redistributed external routes.
正解：A、C
質問 # 33
Referring to the output shown in the exhibit, which two statements are true?
- A. The route is a generate route
- B. The route is active
- C. The route is an aggregate route
- D. The route is not active
正解：A、D
質問 # 34
What are two Layer 2 firewall filter types? (Choose two.)
- A. port-based
- B. VLAN-based
- C. packet-based
- D. flow-based
正解：A、B
質問 # 35
Click the Exhibit button.
Which type of route is shown in the exhibit?
- A. direct
- B. static
- C. aggregate
- D. generated
正解：D
質問 # 36
You are configuring OSPF and want to ensure that interface ge-0/0/3 is preferred over interface ge-0/0/4.
Which statement is correct in this scenario?
- A. Configure a redistribution policy.
- B. Configure ge-0/0/3 with a higher metric.
- C. Configure reference bandwidth.
- D. Configure ge-0/0/4 with a higher metric.
正解：D
質問 # 37
Click the Exhibit button.
Referring to the exhibit, which port will be selected as the RSTP root port on Switch-4?
- A. ge-0/0/12.0
- B. ge-0/0/13.0
- C. ge-0/0/8.0
- D. ge-0/0/9.0
正解：A
質問 # 38
Click the Exhibit button.
Which statement is true about the configuration shown in the exhibit?
- A. The preference for the 172.30.25.1 next hop is 5.
- B. The preference for the 172.30.25.1 next hop is 7.
- C. 172.30.25.1 is the preferred next hop.
- D. The preferred next hop is 172.30.25.5.
正解：D
質問 # 39
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Juniper JN0-349（Enterprise Routing and Switching、Specialist（JNCIS-ENT））認定試験は、企業ルーティングとスイッチング技術におけるスキルと知識を検証したいネットワーク専門家向けのプロフェッショナルレベルの認定試験です。この試験は、企業環境でJunosベースのデバイスを設定、監視、およびトラブルシューティングする候補者の熟練度を評価します。候補者は、JNCIS-ENT認定を取得するために少なくとも65％の合格点を得る必要があります。Juniperは、試験の準備をするための様々なトレーニングリソースを提供しています。
テストエンジンに練習JN0-349テスト問題：https://www.jpntest.com/shiken/JN0-349-mondaishu
JN0-349リアル試験問題でテストエンジン問題集トレーニングには112問あります：https://drive.google.com/open?id=1UE9r-tg3I13kDjDl1a7JZguv1gdf59IV