最新なJuniper JN0-664問題集（99題）、真実試験の問題を全部にカバー！

質問 1：
You are asked to protect your company's customers from amplification attacks.
In this scenario, what is Juniper's recommended protection method?
A. BGP FlowSpec
B. ASN prepending
C. destination-based Remote Triggered Black Hole
D. unicast Reverse Path Forwarding
正解：A

質問 2：
Referring to the exhibit, which three statements are correct about route 10.0.0.0/16 when using the default BGP advertisement rules? (Choose three.)

A. R1 will prepend AS 65531 when advertising 10.0.0.0/16 to R2.
B. R4 will advertise 10.0.0.0/16 to R6 with 172.16.1.1 as the next hop.
C. R2 will advertise 10.0.0.0/16 to R4 with 172.16.1.1 as the next hop.
D. R2 will advertise 10.0.0.0/16 to R3 with 192.168.1.1 as the next hop.
E. R1 will advertise 10.0.0.0/16 to R2 with 192.168.1.1 as the next hop.
正解：B,C,E
解説: (Pass4Test メンバーにのみ表示されます)

質問 3：
Which origin code is preferred by BGP?
A. Internal
B. Incomplete
C. Null
D. External
正解：A
解説: (Pass4Test メンバーにのみ表示されます)

質問 4：
Which two statements are correct about reflecting inet-vpn unicast prefixes in BGP route reflection? (Choose two.)
A. Route reflectors do not change any existing BGP attributes by default when advertising routes.
B. Route reflectors add their cluster ID to the AS path when readvertising client routes.
C. Clients add their originator ID when advertising routes to their route reflector.
D. A BGP peer does not require any configuration changes to become a route reflector client.
正解：A,D

質問 5：
When building an interprovider VPN. you notice on the PE router that you have hidden routes which are received from your BGP peer with family inet labeled-unicast configured.
Which parameter must you configure to solve this problem?
A. Under the family inet labeled-unicast hierarchy, add the resolve-vpn parameter.
B. Under the family inet labeled-unicast hierarchy, add the explicit null parameter.
C. Under the protocols ospf hierarchy, add the traffic-engineering parameter.
D. Under the protocols mpls hierarchy, add the traffic-engineering parameter.
正解：A

質問 6：
Your network is receiving the 203.0.113.0/24 network using EBGP from AS 64500 and AS 64501.
Both of these advertisements have identical local-preference values, AS-path lengths, and BGP origin codes. You want to influence the way your AS sends traffic to the 203.0.113.0/24 network.
In this scenario, which attribute would you consider next when selecting the best path?
A. IGP metric
B. router ID
C. peer IP address
D. MED value
正解：B
解説: (Pass4Test メンバーにのみ表示されます)

質問 7：
You are configuring a Layer 3 VPN between two sites. You are configuring the vrf-target target:
65100:100 statement in your routing instance.
In this scenario, which two statements describe the vrf-target configuration? (Choose two.)
A. This value is used to identify BGP routes learned from the local CE device.
B. This value is used to add a target community to BGP routes advertised to the remote PE device.
C. This value is used to add a target community to BGP routes advertised to the local CE device.
D. This value is used to identify BGP routes learned from the remote PE device.
正解：B,D

質問 8：
Which two statements are correct regarding the PIM DR in a PIM-SM domain? (Choose two.)
A. By default. PIM DR election is performed on point-to-point links.
B. The receiver DR sends PIM join and PIM prune messages from the receiver network toward the RP.
C. If the DR priorities match, the router with the lowest IP address is selected as the DR.
D. The source DR sends PIM register messages from the source network to the RP.
正解：B,D