Juniper JN0-120 Exam - Certifyme.com

Free JN0-120 Sample Questions:

1. Which key activates the command completion function in the router's CLI?
A. Tab
B. Enter
C. Spacebar
D. Question mark
Answer: A

2. Which configuration command specifies that the software file named 4-0-0.rel is used at the next router reload?
A. boot file 4-0-0.rel
B. boot image 4-0-0.rel
C. boot system 4-0-0.rel
D. boot release 4-0-0.rel
Answer: C

3. What protocol is used between the RAS and the authentication server in a narrowband network environment?
A. RADIUS
B. PPP PAP
C. MS CHAP
D. PPP CHAP
Answer: A

4. In a Routed 1483 network what method of routing is typically employed on the DSL router?
A. static
B. OSPF
C. RIPv1
D. RIPv2
Answer: A

5. How does the ERX Edge Router interact with an external DHCP server in a Bridged 1483 network?
A. It maintains DHCP leases on behalf of subscribers.
B. It initiates DHCP requests on behalf of subscribers.
C. It passes DHCP traffic to and from the server; you must configure static host routes.
D. It passes DHCP traffic to and from the server and inserts host routes into its routing table.
Answer: D

6. Which configuration command allows the router to utilize a RADIUS server to authenticate incoming Telnet users?
A. aaa new-model
B. aaa telnet login
C. telnet authentication login
D. authentication telnet login
Answer: A

7. In a DSL network, what device terminates the PPP over Ethernet subscriber's two-wire phone line?
A. RAS
B. DSLAM
C. ATM switch
D. RADIUS server
Answer: B

8. What configuration command dynamically detects and configures a Routed 1483 interface?
A. auto-configure ip
B. auto-configure ppp
C. auto-configure pppoe
D. auto-configure bridgedethernet
Answer: A

9. Which statement describes the function of the LNS in a L2TP environment?
A. It initiates both the PPP session and the tunnel.
B. It initiates the PPP session and terminates the tunnel.
C. It terminates the PPP session and initiates the tunnel.
D. It terminates the PPP session and terminates the tunnel.
Answer: D

10. The primary line module has failed and the spare line module is now active. What occurs, by default, when the primary line module returns to an operational status?
A. The primary line module is inactive for five minutes and then becomes active.
B. The primary line module is in standby mode, while the spare line module remains active.
C. The primary line module becomes active immediately and the spare line module becomes inactive.
D. The primary and spare line modules are active for five minutes, after which time the spare line module becomes inactive.
Answer: B

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