[2023年11月] 更新されたのはJuniper JN0-649問題集PDFオンラインエンジン
JN0-649.PDFで問題解答PDFサンプル問題は信頼され続ける
Juniper JN0-649認定試験は、企業向けのルーティングおよびスイッチング技術に強い理解を持つ個人向けのプロフェッショナルレベルの試験です。この試験は、候補者のJunos OSルーティングおよびスイッチング技術の高度な構成、トラブルシューティング、および管理の知識とスキルをテストするために設計されています。JN0-649試験は、Juniper Networks Certified Professional Enterprise Routing and Switching（JNCIP-ENT）認定の要件の1つです。
質問 # 29
In OSPF, how does a router ensure that LSAs advertised to a neighboring router are received?
- A. LSA flooding guarantees that all routers will receive them successfully.
- B. LSAs are advertised with an acknowledgement bit.
- C. LSAs are acknowledged by the neighboring router.
- D. LSAs are sent over a TCP connection.
正解：C
質問 # 30
Referring to the exhibit, which statement is correct when a failure exists on the link between host2 and switch5 on this EVPN-VXLAN fabric?
- A. The switch5 device will send a Type 2 route to all peers.
- B. The switch5 device will send a Type 3 route to all peers.
- C. The switch5 device will send a Type 1 route to all peers.
- D. The switch5 device will send a Type 4 route to all peers.
正解：B
質問 # 31
You have scheduled maintenance operations for one of the devices in your OSPF network.
Referring to the exhibit, which three statements are correct? (Choose three.)
- A. The metrics for all transit interfaces on R1 is set to the maximum value of 65,535.
- B. Any traffic destined for networks that terminate on R1 will still be forwarded to R1.
- C. R1 participates in OSPF routing but does not send or receive transit traffic.
- D. R1 does not participate in OSPF routing.
- E. R1 does not send or receive transit traffic during the maintenance window even if no alternative paths exist to the given destination.
正解：A、B、C
質問 # 32
When using wide metrics, which two statements about route advertisement between IS-IS levels are correct? (Choose two.)
- A. If wide-metrics-only is configured, Level 1 routes are not advertised to Level 2 routers by default.
- B. Level 1 routes are advertised to Level 2 routers by default.
- C. Level 1 and Level 2 routers do not advertise Level 2 routes into the Level 1 area by default.
- D. Level 1 routes advertised as external routes into Level 1 are not advertised to any Level 2 routers by default.
正解：A、C
質問 # 33
You are asked to configure 802.1X on your access ports to allow only a single device to authenticate. In this scenario, which configuration would you use?
- A. single supplicant mode
- B. multiple supplicant mode
- C. MAC authentication mode
- D. single-secure supplicant mode
正解：A
質問 # 34
Your EX Series switch has IP telephones and computers connected to a single switch port. You are considering implementing the voice VLAN feature to help with this setup. In this scenario, which two statements are correct? (Choose two.)
- A. Assigning the incoming voice and data traffic to separate VLANs enables the ability to prioritize the traffic using CoS.
- B. The interfaces must be configured as access ports.
- C. The voice VLAN feature must be used with LLDP-MED to associate VLAN ID and 802.1p values with the traffic.
- D. The voice VLAN feature will enable incoming tagged data and voice traffic to be associated with separate VLANs.
正解：A、B
質問 # 35
You are configuring MSTP to prevent loops in your Layer 2 network. After applying the configuration, you notice that MSTO is not working correctly.
Referring to the exhibit, what is causing the problem?
- A. Incorrect revision number is used.
- B. Context identifier must be specified.
- C. Too many VLANs have been defined.
- D. MSTI-to-VLAN mappings must be the same.
正解：D
質問 # 36
Which BGP message type contains NLRI information?
- A. update
- B. keepalive
- C. notification
- D. open
正解：A
質問 # 37
Your EX Series switch has IP telephones and computers connected to a single switch port. You are considering implementing the voice VLAN feature to help with this setup.
In this scenario, which two statements are correct? (Choose two.)
- A. Assigning the incoming voice and data traffic to separate VLANs enables the ability to prioritize the traffic using CoS.
- B. The interfaces must be configured as access ports.
- C. The voice VLAN feature must be used with LLDP-MED to associate VLAN ID and 802.1p values with the traffic.
- D. The voice VLAN feature will enable incoming tagged data and voice traffic to be associated with separate VLANs.
正解：A、B
質問 # 38
Referring to the exhibit, how will router E quickly learn that the remote MAC addresses are no longer reachable through the router attached to the failed link?
- A. Router E receives Type 1 withdrawal messages from router C.
- B. Router E receives Type 1 withdrawal messages from router D.
- C. Router E receives Type 2 withdrawal messages from router D.
- D. Router E receives Type 2 withdrawal messages from router C.
正解：B
質問 # 39
You are adding VNI 101 to your EVPN-VXLAN network, but traffic is not being sent to received.
Referring to the exhibit, which configuration statement will solve the problem?
- A. set routing-instances EVPN1 bridge-domains BD-101 vxlan vni 101
- B. set routing-instances EVPN1 vxlan encapsulate-inner-vlan
- C. set routing-instances EVPN1 instance-type evpn
- D. set routing-instances EVPN1 vrf-table-label
正解：C
質問 # 40
You are using 802.1X authentication in your network to secure all ports. You have a printer that does not support 802.1X and you must ensure that traffic is allowed to and from this printer without authentication.
In this scenario, what will satisfy the requirement?
- A. MAC RADIUS
- B. MACsec
- C. MAC filtering
- D. static MAC bypass
正解：D
質問 # 41
Referring to the exhibit, which statement is true?
- A. Only 802. 1X authentication will be used for devices connecting to ge-0/0/15
- B. The current device was allowed after authentication attempts to the RADIUS server failed
- C. Additional users will automatically be allowed to connect to ge-0/0/15
- D. The current device is authenticated using MAC RADIUS
正解：B
質問 # 42
Which two statements about OSPF routing policies are correct? (Choose two.)
- A. By default, OSPF export policies reject network-summary LSAs.
- B. By default, OSPF import policies accept network-summary LSAs.
- C. By default, OSPF export policies accept network-summary LSAs.
- D. By default, OSPF import policies reject network-summary LSAs.
正解：A、B
質問 # 43
Which two multicast listener registration protocols are supported in the Junos operating system? (Choose two.)
- A. MLD
- B. IGMP
- C. DVMRP
- D. PIM
正解：A、B
解説：
internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) are the Multicast Group Membership Discovery (MGMD) protocols
質問 # 44
You are deploying IP phones in your enterprise network that must receive their power through their Ethernet connection. You are using your EX Series switch's PoE ports that support IEEE
802.3af. In this scenario, what is the maximum amount of power allocated to each interface?
- A. 10.2 W
- B. 15.4 W
- C. 30 W
- D. 50 W
正解：B
質問 # 45
You are asked to implement fault tolerant RPs in your multicast network. Which two solutions would accomplish this behavior? (Choose two.)
- A. Use anycast PIM with statically defined RPs.
- B. Use IGMPv3 with statically defined RPs.
- C. Use MSDP with statically defined RPs.
- D. Use BFD with statically defined RPs.
正解：A、C
質問 # 46
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The host that the route is associated with is single-homed to one leaf node.
- B. The route is a Type 2 EVPN route.
- C. The host that the route is associated with is multihomed to two leaf nodes.
- D. The route is a Type 1 EVPN route.
正解：A、D
質問 # 47
You are deploying new Juniper EX Series switches in a network that currently is using Cisco's Per- VLAN spanning tree plus (PVST+) and you must provide compatibility with this environment.
Which spanning tree protocol do you deploy in this scenario?
- A. STP
- B. VSTP
- C. RSTP
- D. MSTP
正解：D
質問 # 48
You are deploying IP phones in your enterprise networks. When plugged in, the IP phones must automatically negotiate the power requirements for the new connection with the EX Series switches. In this scenario, which protocol should be used to enable this behavior?
- A. LLDP-MED
- B. CDP
- C. MP-BGP
- D. LLDP
正解：A
質問 # 49
Referring to the exhibit, anycast RP is implemented to ensure multicast service availability. The source is currently sending multicast traffic using group 239.1.1.1 and R3 is receiving PIM register messages, but R2 does not have active source information.
In this scenario, what are two methods to receive the active source information on R2? (Choose two.)
- A. Configure an RP set in PIM on R1, allowing R1 to forward PIM register messages to R2 and R3 in the set.
- B. Configure an MSDP protocol between R2 and R3.
- C. Configure an RP set in PIM on R2 and R3, allowing the RPs to forward PIM register messages to the other RPs in the set.
- D. Configure an MSDP protocol between R1 and R2.
正解：A、C
解説：
https://www.juniper.net/documentation/us/en/software/junos/multicast/topics/ref/statement/rp-set-edit-protocols-pim.html
質問 # 50
Referring to the configuration shown in the exhibit, how many of the routes received from 10.0.0.2 will be active in the routing table?
- A. 0
- B. 1
- C. 2
- D. 3
正解：D
質問 # 51
A customer requires that the switch responds to an ARP request only if the source and target IP address are on different subnets.
Referring to the Exhibit, how would you accomplish this task?
- A. Change the proxy ARP parameter setting to restricted.
- B. Enable the no-gratuitous-arp request command under the interface hierarchy.
- C. Create a static ARP entry for the host.
- D. Remove the proxy ARP setting and clear the entry.
正解：A
質問 # 52
You want to implement an RP in your PIM sparse mode environment, you are considering the advantages and disadvantages of the various RP election methods.
In this scenario, which three implementation guidelines are correct? (Choose three.)
- A. The auto-RP method requires using two PIM dense mode groups from the 323/8 range.
- B. The static method requires configuration on all devices in the PIM domain.
- C. With the bootstrap method, the primary criterion for electing a BSR is priority value.
- D. When multiple election methods are implemented on a device, the static method is preferred.
- E. The auto-RP method includes the ability to maintain a backup RP.
正解：A、C、E
質問 # 53
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JNCIP-ENT JN0-649試験と認定テストエンジン：https://drive.google.com/open?id=1tYB4WoyAlhpA0j4oiKgs6sMUpN6Uc04y