Juniper JN0-1361 問題集

質問 1：
Which statement is correct regarding classifiers in CoS?
A. Classifiers are used to change DiffServ values on outgoing packets.
B. Classifiers are used to route traffic between routing instances.
C. Classifiers are used to separate traffic into different forwarding classes.
D. Classifiers are used to define the transmit rate for forwarding classes.
正解：C

質問 2：
You have a customer that operates multiple branch offices and they want a low cost access solution. The WAN must be secure What would satisfy their requirement?
A. a private WAN
B. an IPsec VPN using broadband connections
C. an encrypted MPLS service
D. a managed MPLS service
正解：B

質問 3：
Exhibit:

Referring to the exhibit which type of IPsec VPN should be used to create the desired topology?
A. fully meshed VPN
B. AutoVPN
C. Group VPN
D. hub-and-spoke VPN
正解：C

質問 4：
Exhibit:
Referring to the exhibit, which two methods would be used by the designer of ISP E to ensure that traffic between ISP C and ISP A will traverse through ISP B? (Choose two.)

A. Apply the BGP import policy (to EBGP peers) on R4 and R5 to modify the AS PATH attribute so that the path through ISP D is less preferred.
B. Apply the BGP import policy (to EBGP peers) on R4 to adjust the ORIGIN for the routes received from ISP B to unknown.
C. Apply the BGP export policy (to IBGP peers) on R4 and R5 to adjust the MED on the ISP C routes so that the path through ISP D is less preferred.
D. Apply the BGP import policy (to EBGP peers) on R4 anaVor R5 to adjust the local preference on the ISP C routes so that the path through ISP B is more preferred
正解：A,C

質問 5：
Click the Exhibit button
Referring to the network design shown in the exhibit, you must ensure that VPN data between Site1 and Site2 will be earned over a single end-to-end LSP.
How would you advertise PE1's loopback address to accomplish this task?

A. over a single IBGP session (IPv4 unicast NLRI) between PE VPE4
B. over a single MP-IBGP session (L3VPN NLRI) between PE1/PE4
C. over BGP-LU sessions between the PE1/B1. B1/B2 and B2/PE4
D. over a single EBGP session (IPv4 unicast NLRI) between PE1/PE4
正解：C

質問 6：
Which two statements describe why service providers have migrated to IP/MPLS networks? (Choose two.)
A. MPLS virtualization allows a service provider to use statistical multiplexing to maximize resource utilization.
B. The MPLS ingress router encapsulates IP packets in an MPLS frame and forwards it to the next router in the path.
C. MPLS labels enable several logically separated networks to share a common network infrastructure.
D. A single router can be an ingress, egress or transit router for multiple LSPs simultaneously.
正解：A,C