Juniper JN0-663 問題集

質問 1：
You are establishing a Layer 3 VPN between two PE devices Currently you have a single internal IPv4 BGP peering between the PE devices. You must ensure that the IPv4 and IPv6 routes from both CE devices are exchanged between these sites Which two statements are correct in this scenario? (Choose two.)
A. You must establish an IPv6 BGP peering between the two PEs
B. You must enable IPv6 tunneling on the LSPs between the PE devices
C. You must enable the inet6-vpn NLRI on both PE devices.
D. You must enable the inet-vpn NLR on both PE devices.
正解：C,D

質問 2：
Which two statements are correct about Opaque LSAs in OSPF? (Choose two )
A. Type 11 LSAs are used for MPLS traffic-engineering and have area scope.
B. Type 11 LSAs are used for MPLS label exchange and have link-local scope
C. Type 9 LSAs are used for graceful-restart and have link-local scope
D. Type 10 LSAs are used for MPLS traffic-engineering and have area scope.
正解：C,D

質問 3：
Exhibit.

You are providing camer-of-carner VPN services for AS 100 and AS 200 You want to distribute MPLS labels between your PE routers and the AS 100 and AS 200 CE routers.
What must be enabled to accomplish this task?
A. Use RSVP with the lsp-set parameter enabled
B. Use BGP with the labeled-unicast address family enabled
C. Use RSVP with the tunnel-services parameter enabled
D. Use BGP with the inet-vpn address family enabled
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 4：
What are two reasons an IBGP learned route would be hidden? (Choose two.)
A. The route has a next hop of the local routing device.
B. The route is rejected by an export policy.
C. The route is suppressed by damping.
D. The route has an empty AS path.
正解：A,C

質問 5：
Exhibit:

R2 is receiving a route from R1 and you must ensure that the route is not advertised to R3.
Referring to the exhibit, which two configurations on R2 will solve the issue? (Choose two.)
A. Apply the no-export policy as an export policy under group 65003.
B. Apply the no-advertise policy as an export policy under group 65003.
C. Apply the no-advertise policy as an import policy under group 65001.
D. Apply the no-export policy as an import policy under group 65001.
正解：C,D

質問 6：
Which two statements about virtual links are correct? (Choose two.)
A. Virtual links are bidirectional.
B. Virtual links are excluded from SPF calculations.
C. Virtual links are point-to-point.
D. Virtual links are used for control plane traffic.
正解：C,D
解説: (Topexam メンバーにのみ表示されます)

質問 7：
Exhibit:

R1 assigns incoming voice traffic to the ef forwarding class. All other traffic is assigned to the best-effort forwarding class You have configured a CoS re-write rule on R1 to include the correct CoS bit values in packets sent towards R2 You want R2 to classify traffic using the CoS markings created by R1.
Which two configuration steps are necessary to accomplish this task? (Choose two.)
A. Assign the behavior aggregate classifier to the ge-0/0/1.0 interface on R2.
B. Configure a behavior aggregate classifier on R2.
C. Assign the CoS re-write rule to the ge-0/0/1.0 interface on R2.
D. Configure a CoS re-write rule on R2 and assign matching CoS values.
正解：A,B

質問 8：
Exhibit:

Referring to the exhibit, you are asked to summarize all routes in the 10.10.0 0/22 address range ensuring that a single summary route is present in area 49.0002 while the IS-IS internal contributing routes are restricted to area 49.0001. All other routes must not be affected.
Which two operations would have to be performed on R2 to accomplish this task? (Choose two.)
A. Create and apply a policy with two terms; one to accept the summary route and one to reject the contributing routes.
B. Include the from level 1 match criteria when referencing the summary route.
C. Include the to level 2 match criteria when referencing the summary route.
D. Create and apply a policy with a single term to accept only the summary route.
正解：A,C

質問 9：
Exhibit:

Referring to the exhibit, you want to reduce the CPU processing load on PE 2 by preventing the receipt of routes belonging to Customer B.
In this scenario, which Layer 3 VPN scaling mechanism provides this functionality?
A. route origin
B. route reflection
C. route refresh
D. route target filtering
正解：D