最新なJuniper JN0-643問題集（290題）、真実試験の問題を全部にカバー！

質問 1：
-- Exhibit --
OSPF database, Area 0.0.0.0
Type ID Adv Rtr Seq Age Opt Cksum Len
Router *10.0.3.4 10.0.3.4 0x8000000d 30 0x22 0x8d11 132
bits 0x0, link count 9
id 10.1.1.0, data 255.255.255.0, Type Stub (3)
Topology count: 0, Default metriC. 1
id 10.0.4.8, data 255.255.255.252, Type Stub (3)
Topology count: 0, Default metriC. 1
id 10.0.2.10, data 10.0.2.10, Type Transit (2)
Topology count: 0, Default metriC. 1
id 172.16.0.6, data 172.16.0.5, Type Transit (2)
Topology count: 0, Default metriC. 1
id 10.0.3.4, data 255.255.255.255, Type Stub (3)
Topology count: 0, Default metriC. 0
id 10.0.9.7, data 10.0.2.18, Type PointToPoint (1)
Topology count: 0, Default metriC. 65
id 10.0.2.16, data 255.255.255.252, Type Stub (3)
Topology count: 0, Default metriC. 65
id 10.0.3.3, data 10.0.2.6, Type PointToPoint (1)
Topology count: 0, Default metriC. 2
id 10.0.2.4, data 255.255.255.252, Type Stub (3)
Topology count: 0, Default metriC. 2
Topology default (ID 0)
TypE. PointToPoint, Node ID. 10.0.3.3
MetriC. 2, Bidirectional
TypE. PointToPoint, Node ID. 10.0.9.7
MetriC. 65, Bidirectional
TypE. Transit, Node ID. 172.16.0.6
MetriC. 1, Bidirectional
TypE. Transit, Node ID. 10.0.2.10
MetriC. 1, Bidirectional
-- Exhibit --
Click the Exhibit button.
The exhibit shows the output of an OSPF router LSA.
Which interface ID represents the router's loopback address?
A. ID 10.0.3.4
B. ID 10.0.3.3
C. ID 10.0.2.4
D. ID 10.1.1.0
正解：A

質問 2：
You have certainly implemented the configuration shown in the exhibit. After committing these changes, the community devices connected to AS-1 are not able to communicate with the appropriate community devices connected to AS-2. What must be done to allow these community devices to communicate?

A. switch You must configure the ge-0/0/10 interface on AS1 AS THE VPLAN on both switches
B. You must configure an isolation VLAN ID Under the pvlan-200 on the AS2
C. You must configure the ge-0/012 interface on both switches as P VLAN trunks
D. You must configure an isolation VLAN ID under the VLAN 200 ON both switches
正解：C

質問 3：
When configuring class of service. What would you use to allocate bandwidth to a forwarding class?
A. speed
B. buffer depth
C. bandwidth
D. transmit rate
正解：D

質問 4：
NetBIOS snooping information is stored in which database on EX Series switches?
A. LLDP neighbor database
B. routing table database
C. MAC table database
D. RADIUS database
正解：A

質問 5：
You have certainly implemented the configuration shown in the exhibit. After committing these changes, the community devices connected to AS1 are not able to communicate with the appropriate community devices connected to AS2. What must be done to allow these community devices to communicate?
A. You must configure an isolation VLAN ID under the pvlan 200 on the AS 2 switch
B. You must configure the ge 0/012 interface on both switches as pvlan trunks
C. You must configure an isolation VLAN ID under the pvlan 200 on both the switches
D. You must configure the ge 0/0/10 interface as AS1 as the pvlan trunk
正解：B

質問 6：
What are two benefits of configuring OSPF database protection? (Choose two.)
A. Provides intra-area route filtering and route summarization.
B. Allows the device to participate in OSPF routing but not be used for transit traffic.
C. Protects the LSDB from being flooded by excessive LSA flooding.
D. Limits the number of LSAs in the LSDB (excluding those generated by the local router).
正解：C,D

質問 7：
-- Exhibit -

-- Exhibit --
Click the Exhibit button.
In the topology shown in the exhibit, which two BGP attributes can AS1 manipulate to influence the path that AS4 takes to reach prefixes originated by AS1? (Choose two.)
A. MED
B. Local Preference
C. AS Path
D. Origin
正解：C,D