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JN0-102 Exam Questions - Online Test


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Q1. Which two commands are used during the password recovery process? (Choose two.) 

A. clear system login 

B. boot -s 

C. recovery 

D. delete system root-authentication 

Answer: B,C 

Q2. Which two statements are true about the primary address on an interface? (Choose two.) 

A. It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface. 

B. You use the primary address when you have multiple IP addresses belonging to the same subnet on the same interface. 

C. It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface. 

D. By default, the primary address on an interface is selected as the numerically highest local address configured on the interface. 

Answer: A,C 

Q3. You are at the top of the hierarchy and must configure OSPF on interface so-0/0/0 unit 100. Which two achieve this result? (Choose two.) 

A. set protocols 

setospf area 0 set interface so-0/0/0.100 

B. set protocols ospf area 0 interface so-0/0/0.100 

C. edit protocols ospf interface so-0/0/0.100 

D. edit protocols ospf area 0 set interface so-0/0/0.100 

Answer: B,D 

Q4. You have been asked to use a 23-bit network mask to segment the network block 

209.18.12.0. 

How many usable host addresses will there be per subnet? 

A. 510 

B. 1022 

C. 2046 

D. 8190 

Answer:

Q5. Which two statements are true about the forwarding table? (Choose two.) 

A. The forwarding table lists each source protocol and preference for each destination. 

B. The forwarding table contains only active routes. 

C. The forwarding table is used to process transit packets. 

D. The forwarding table is stored in compact flash. 

Answer: B,C 

Q6. Which network mask is the equivalent of 255.255.248.0? 

A. /20 

B. /21 

C. /22 

D. /23 

Answer:

Q7. -- Exhibit --[editsnmp] 

user@router# show 

communityCommunityA { 

authorization read-only; 

clients { 

192.168.1.0/28; 

trap-groupgroupA { 

categories { 

link; 

targets { 

192.168.100.1; 

192.168.200.1; 

-- Exhibit --

Referring to the exhibit, what is the purpose of the targets section of the configuration? 

A. It defines which devices will be sending traps. 

B. It specifies where to send traps. 

C. It defines the IP addresses of management systems that can access the device. 

D. It specifies which devices can be polled for SNMP data. 

Answer:

Q8. What are two Junos processes? (Choose two.) 

A. OSPF SPF daemon (ospfd) 

B. SNMP daemon (snmpd) 

C. BGP daemon (bgpd) D. Routing protocols daemon (rpd) 

Answer: B,D 

Q9. Which statement describes exception traffic? 

A. Exception traffic must be sent to the PFE for processing. 

B. Exception traffic enters one ingress port and is sent out multiple egress ports. 

C. Exception traffic is rate-limited on the internal link to prevent DoS attacks. 

D. Exception traffic is processed after forwarding traffic when congestion exists. 

Answer:

Q10. -- Exhibit --

interfaces { 

ge-0/0/8 { 

unit 0 { 

family inet { 

address 192.168.1.1/24; 

ge-0/0/9 { 

unit 0 { 

family inet { 

address 192.168.10.1/24; 

-- Exhibit --

Referring to the exhibit, which command would you use to add an additional address to the ge-0/0/9.0 interface? 

A. [edit interfaces ge-0/0/9 unit 0] 

user@router# set family inet address /24 

B. [edit interfaces ge-0/0/9 unit 0] 

user@router# set family inet secondary-address /24 

C. [edit interfaces ge-0/0/9 unit 0] 

user@router# set family inet address /24 secondary 

D. [edit interfaces ge-0/0/9 unit 0] 

user@router# set family inet address-secondary /24 

Answer: