Juniper JN0-664 問題集

質問 1：
Which statement is true regarding BGP FlowSpec?
A. It uses a remote triggered black hole to protect a network from a denial-of-service attack.
B. It uses dynamically created routing policies to protect a network from denial-of-service attacks
C. It is used to protect a network from denial-of-service attacks dynamically
D. It verifies that the source IP of the incoming packet has a resolvable route in the routing table
正解：C

質問 2：
Exhibit

Which two statements about the configuration shown in the exhibit are correct? (Choose two.)
A. A Layer 3 VPN is configured.
B. A Layer 2 VPN is configured.
C. This VPN connects customer sites that use different AS numbers.
D. This VPN connects customer sites that use the same AS number
正解：A,D
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Exhibit

The environment is using BGP All devices are in the same AS with reachability redundancy Referring to the exhibit, which statement is correct?
A. Peering is dynamically discovered between all devices.
B. RR2 is in an OpenConfirm State until RR1 becomes unreachable.
C. RR1 is peered to Client2 and RR2
D. Client1 is peered to Client2 and Client3.
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 4：

Click the Exhibit button.
You have an EVI implemented between PE-1, PE-2, and PE-3 to allow communication between CE-1 and CE-
2. CE-2 receives unicast traffic from CE-1 on both links to PE-2 and
PE-3. When CE-1 sends broadcast traffic, CE-2 receives it on only one of the multihomed links.
Referring to the exhibit, which EVPN route type enables this behavior?
A. Type 2
B. Type 1
C. Type 4
D. Type 3
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 5：
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 6：
You are using a Layer 3 VPN to connect two customer sites. The VPN routes for the customer networks appear as hidden in the bgp. 13vpn. o routing table on the PE routers.
What is causing this problem?
A. There is not an established MPLS LSP between the two PE routers.
B. Route targets are not configured.
C. The routes use overlapping IP addresses.
D. There is a routing loop in the service provider backbone.
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 7：
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-unica3t configured.
Which parameter must you configure to solve this problem?
A. Under the protocols ospf hierarchy, add the traffic-engineering parameter.
B. Under the family inet labeled-unicast hierarchy, add the explicit null parameter.
C. Under the protocols mpls hierarchy, add the traffic-engineering parameter
D. Under the family inet labeled-unicast hierarchy, add the resolve-vpn parameter.
正解：D
解説: (Topexam メンバーにのみ表示されます)