Juniper JN0-664 問題集

質問 1：
Which two statements about IS-IS are correct? (Choose two.)
A. CSNPs are flooded periodically.
B. PSNPs contain only descriptions of LSPs.
C. PSNPs are flooded periodically.
D. CSNPs contain only descriptions of LSPs.
正解：A,B
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Exhibit

You are examining an L3VPN route that includes the information shown in the exhibit Which statement is correct in this scenario?
A. The information shows a Type 1 route distinguisher.
B. The information shows a Type 2 route distinguisher.
C. The information shows a route target
D. The information shows a Type 0 route distinguisher
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Exhibit

CE-1 and CE-2 are part of a VPLS called Customer1 No connectivity exists between CE-1 and CE-2. In the process of troubleshooting, you notice PE-1 is not learning any routes for this VPLS from PE-2, and PE-2 is not learning any routes for this VPLS from PE-1.
A. The route distinguisher must match on PE-1 and PE-2.
B. The instance type should be changed to I2vpn.
C. The no-tunnel-services statement should be deleted on both PEs.
D. The route target must match on PE-1 and PE-2.
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 4：

Click the Exhibit button.
Referring to the exhibit, the PE-to-CE protocol being used is OSPF for the L3VPN. Also, there is an OSPF neighborship between CE-1 and CE-2.
Which statement is correct in this situation?
A. Hosts at Site-1 will reach hosts at Site-2 through the CE-1 and CE-2 link by default.
B. Hosts at Site-1 will reach hosts at Site-2 through the L3VPN by default.
C. You must set a high metric on the CE-1 to CE-2 link for hosts at Site-1 to use the L3VPN to reach hosts at Site-2.
D. You must set a high metric on the CE-1 to PE-1 link for hosts at Site-1 to use the CE-1 to CE-2 link to reach hosts at Site-2.
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 5：
You are a network architect for a service provider and want to offer Layer 2 services to your customers You want to use EVPN for Layer 2 services in your existing MPLS network.
Which two statements are correct in this scenario? (Choose two.)
A. EVPN uses Type 3 routes to join a multicast tree to flood traffic.
B. Segment routing must be configured on all PE routers.
C. VXLAN must be configured on all PE routers.
D. EVPN uses Type 2 routes to advertise MAC address and IP address pairs learned using ARP snooping
正解：A,D
解説: (Topexam メンバーにのみ表示されます)

質問 6：
Which origin code is preferred by BGP?
A. Internal
B. Incomplete
C. Null
D. External
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 7：
Exhibit

Referring to the exhibit, a working L3VPN exists that connects VPN-A sites CoS is configured correctly to match on the MPLS EXP bits of the LSP, but when traffic is sent from Site-1 to Site-2, PE-2 is not classifying the traffic correctly What should you do to solve the problem?
A. Configure the explicit-null statement on PE-1.
B. Configure VPN prefix mapping for the PE-1_to_PE-2 LSP
C. Set a static CoS value for the PE-1_to_PE-2 LSP
D. Configure the explicit-null statement on PE-2
正解：D
解説: (Topexam メンバーにのみ表示されます)