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Q1. Which account is used to access a Junos device in factory-default configuration? 

A. root 

B. admin 

C. juniper 

D. user 

Answer: A 

Q2. Which two statements are correct about firewall filters in the Junos OS? (Choose two.) 

A. Firewall filters are stateless. 

B. Firewall filters are used to control routing information that is exchanged between devices. 

C. Firewall filters are used to control traffic passing through the device. 

D. Firewall filters can only be applied to traffic entering the device. 

Answer: A,C 

Q3. Which statement is true about logical units? 

A. Logical units are similar to VLANs used by other vendors. 

B. A logical unit is required for transit interfaces. 

C. Frame Relay encapsulation supports one logical unit. 

D. Link speed and duplex are configured in the logical unit properties. 

Answer: B 

Q4. In which hierarchy are routing policies defined? 

A. [edit policy-options] 

B. [edit routing-options] 

C. [edit forwarding-options] 

D. [edit protocols] 

Answer: A 

Q5. Which two commands may be used when configuring an IP address for a Gigabit Ethernet interface? (Choose two.) 

A. set interfaces ge-0/0/0.0 address 10.1.1.1/24 

B. set interfaces ge-0/0/0.0 family inet address 10.1.1.1/24 

C. set interfaces ge-0/0/0 unit 0 family inet address 10.1.1.1/24 

D. set interfaces ge-0/0/0 address 10.1.1.1/24 

Answer: B,C 

Q6. Why is IPv6 packet processing more effective than IPv4 packet processing? 

A. fixed header size 

B. smaller header size 

C. fewer header fields 

D. variable header size 

Answer: A 

Q7. -- Exhibit --

user@router> restart 

^ 

unknown command. 

-- Exhibit --

You are investigating routing problems on a device running the Junos OS. You receive the error shown in the exhibit when you attempt to restart the routing process. 

Which statement describes the problem? 

A. You have typed an invalid command. 

B. You must be in configuration mode to restart the routing process. 

C. You do not have permission to restart the routing process. 

D. You must wait until close of business to restart the routing process, based on user-defined policy. 

Answer: C 

Q8. Which protocol creates a complete database of the network topology prior to calculating the optimal route? 

A. BGP 

B. PIM 

C. OSPF 

D. RIP 

Answer: C 

Q9. After editing to your device’s configuration, which command must you enter to activate the configuration changes? 

A. set 

B. copy candidate active 

C. apply-config 

D. commit 

Answer: D 

Q10. You have been assigned the /24 network and need to segment it into at least 60 subnets. 

Which network mask meets this requirement? 

A. /27 

B. /28 

C. /29 

D. /30 

Answer: D