Juniper JNCIA jn0-120 认证题库

1.What profile configuration command dynamically creates a host route in the routing table?

 

A: ip host routes

B: ip access-routes

C: host routes enabled

D: access-routes enabled

 

2.By default, how does the router handle changes to its operational configuration?

 

A: Changes are not implemented, but are saved automatically.

B: Changes are not implemented and must be written into memory.

C: Changes are implemented immediately and saved automatically.

D: Changes are implemented immediately, but must be written into memory.

 

3.You are configuring an L2TP LNS. Where do you place the IP address of the LAC?

 

A: profile

B: remote host

C: aaa domain-map

D: l2tp destination profile

 

4.How many fields in an IP datagram can be examined by a Classifier Access Control List (CLACL)?

 

A: 1

B: 2

C: 4

D: 6

 

5.In a bridged 1483 network, what configuration command allows the ERX Edge Router to advertise customer networks into the provider's IGP?

 

A: redistribute direct

B: redistribute static

C: redistribute connected

D: redistribute access-internal

 

6.What L2TP protocol packet is sent by the LAC to establish the control connection (tunnel)?

 

A: Start Tunnel Discovery Request

B: Start Control Connection Request

C: L2TP Control Connection Request

D: L2TP Tunnel Establishment Request

 

7.How many spare line modules are supported for each redundancy group?

 

A: 1

B: 2

C: 3

D: 5

 

8.The ERX Edge Router responds to a received PPP over Ethernet Active Discovery Initiation (PADI) with which message type?

 

A: PPPoE Active Discovery Offer

B: PPPoE Active Discovery Initiation

C: PPPoE Active Session Confirmation

D: PPPoE Active Session Acknowledgment

 

9.You have a Bridged 1483 service offering where each ATM PVC is assigned a /30 subnet. What are two characteristics of this configuration? (Choose two.)

 

A:It burns IP addresses.

B:It conserves IP addresses.

C:Both the client and the ERX Edge Router have IP addresses.

D:The client has an IP address, but the ERX Edge Router uses an unnumbered address.

 

10.Configuration files for the ERX Edge Router are stored in what format on the flash?

 

A: ASCII

B: binary

C: plain text

D: tab delineated