Juniper JN0-664 問題集

質問 1：
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. MED value
B. router ID
C. peer IP address
D. IGP metric
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 2：
You are asked to protect your company's customers from amplification attacks. In this scenario, what is Juniper's recommended protection method?
A. destination-based Remote Triggered Black Hole
B. ASN prepending
C. BGP FlowSpec
D. unicast Reverse Path Forwarding
正解：C

質問 3：
Exhibit

Referring to the exhibit, CE-1 is providing NAT services for the hosts at Site 1 and you must provide Internet access for those hosts Which two statements are correct in this scenario? (Choose two.)
A. You must configure a RIB group on PE-1 to leak the 10 1 2.0/24 prefix from the VPN-A.inet.0 table to the inet.0 table.
B. You must configure a RIB group on PE-1 to leak a default route from the inet.0 table to the VPN-A.inet.
0 table.
C. You must configure a static route in the main routing instance for the 203.0.113.1/32 prefix that uses the VPN-A.inet.0 table as the next hop.
D. You must configure a static route in the main routing instance for the 10 1 2.0/24 prefix that uses the VPN-A.inet.0 table as the next hop
正解：B,C

質問 4：
When using OSPFv3 for an IPv4 environment, which statement is correct?
A. OSPFv3 is not backward compatible with IPv4
B. OSPFv3 only supports IPv4.
C. OSPFv3 supports both IPv6 and IPv4, but not in the same routing instance.
D. OSPFv3 supports IPv4 only on interfaces with family inet6 defined
正解：D

質問 5：
Exhibit

Referring to the exhibit, which two statements are true? (Choose two.)
A. This is an EVPN Type-2 route.
B. The devices advertising this route into EVPN are 10 0 2 12 and 10.0.2.22.
C. This route is learned through EBGP
D. The device advertising this route into EVPN is 192.168.101.5.
正解：A,D
解説: (Topexam メンバーにのみ表示されます)

質問 6：
Exhibit

Click the Exhibit button-Referring to the exhibit, which two statements are correct about BGP routes on R3 that are learned from the ISP-A neighbor? (Choose two.)
A. The next-hop value for these routes is changed by ISP-A before being sent to R3.
B. By default, the next-hop value for these routes is not changed by ISP-A before being sent to R3.
C. The BGP local-preference value that is used by ISP-A is not advertised to R3.
D. All BGP attribute values must be removed before receiving the routes.
正解：A,C
解説: (Topexam メンバーにのみ表示されます)

質問 7：

Click the Exhibit hutton.
You are configuring an interprovider Option C Layer 3 VPN to connect two customer sites.
Referring to the exhibit, which three statements are correct? (Choose three.)
A. P routers maintain the internal routes from its own AS and the loopback address from the other AS PEs.
B. P routers only maintain the internal routes from their own AS.
C. ASBR routers maintain the internal routes from its own AS and the loopback addresses from the other AS PEs.
D. PE routers maintain the internal routes from its own AS, the loopback address from the other AS PEs, and the L3VPN routes.
E. ASBR routers maintain the internal routes from its own AS, the loopback address from the other AS PEs, and the L3VPN routes.
正解：B,C,D
解説: (Topexam メンバーにのみ表示されます)