Juniper JN0-649 問題集

質問 1：
You are deploying an 802.1X solution and must determine what would happen if clients are unable to re-authenticate to the RADIUS server.
In this scenario, which configuration would provide access to the network if the supplicant is already authenticated?
A. move
B. permit
C. sustain
D. deny
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Your network is multihomed to two ISPs. The BGP sessions are established; however, the ISP peers are not receiving any routes.
Which two statements are correct about troubleshooting your configuration? (Choose two.)
A. Verify the export policies on your router.
B. Verify that the BGP routes are active in your routing table.
C. Verify the import policies on your router.
D. Verity that the multihop settings are configured on your router.
正解：A,D

質問 3：
Which two statements are true about PIM source-specific multicast (SSM)? (Choose two.)
A. A Different group address must be used by each source.
B. S, G is always used.
C. The receiver DR builds a source-base tree to the RP.
D. IGMPv3 is required.
正解：B,D

質問 4：
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 MSDP protocol between R2 and R3.
B. Configure an RP set in PIM on R1, allowing R1 to forward PIM register messages to R2 and R3 in the set.
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: (Topexam メンバーにのみ表示されます)

質問 5：
Referring to the log shown in the exhibit, what is the problem with the OSPF adjacency establishment?

A. The referenced IP address does not exist on the network segment.
B. There is an MDS authentication mismatch.
C. The OSPF database description packet is malformed.
D. The interface IP addresses on the subnet are duplicates.
正解：D

質問 6：
Referring to the exhibit, how is R1learning the route from R2? R2 has an export policy with external type 2 configured.

A. R2 has interface ge-0/0 configured as a passive interface under OSPFv3.
B. R2 has an interface policy with external type 1 configured.
C. R2 has interface ge-0/0/2 configured as a passive interface under OSPFv3.
D. R2 has interface ge-0/0/2 configured in another area under OSPFv3.
正解：B

質問 7：
When configuring connectivity to a VoIP enabled phone, which two statements are correct?
(Choose two.)
A. The switch places voice traffic in the best-effort forwarding class by default.
B. The switch can signal to the phone device which VLAN tag it should use for voice traffic.
C. The telephone device can signal to the switch which VLAN tag it will place on voice traffic.
D. The switch places voice traffic in the expedited forwarding class by default.
正解：B,D

質問 8：
Referring to the exhibit, which statement is correct?

A. The route is learned from a multipath BGP session.
B. The route is learned from three different neighbors.
C. The route is learned from only one neighbor.
D. The route is learned from a multihop BGP session.
正解：C