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Q1. In the Junos OS, what handles transit traffic?
A. Transit traffic is handled by the RE only.
B. Transit traffic is handled by the PFE only.
C. Transit traffic is handled by both the RE and the PFE.
D. Transit traffic is not handled by the RE or the PFE.
Answer: B
Q2. Which command displays the egress interfaces selected on the PFE for destination prefixes?
A. show route forwarding-table
B. show route table
C. show route table extensive
D. show pfefwdd
Answer: A
Q3. How can you verify that you have correctly configured SSH access to your Junos device?
A. user@router# show system services
B. user@router> show configuration services
C. user@router# show configuration system services
D. user@router# show system login
Answer: A
Q4. Which two statements are true of login classes? (Choose two.)
A. Users can be members of multiple login classes.
B. Login classes define authorization parameters for a user.
C. There are five system-defined login classes.
D. Login class permission flags can be overridden for certain commands.
Answer: B,D
Q5. Which two characteristics describe the UDP protocol? (Choose two.)
A. limited error checking
B. defined timers
C. no recovery mechanisms
D. three-way handshake
Answer: A,C
Q6. Which command will display the active configuration?
A. user@router> show configuration
B. user@router# show
C. user@router> show system configuration
D. user@router> show system commit
Answer: A
Q7. 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
Q8. -- Exhibit --
[edit class-of-service]
user@router# show
interfaces {
ge-0/0/2 {
unit 0 {
classifiers {
inet-precedence default;
}
}
}
}
-- Exhibit --
Referring to the exhibit, which type of classifier is being used in this CoS configuration?
A. behavior aggregate
B. policer
C. multifield
D. forwarding policy
Answer: A
Q9. You accidentally configured interface so-0/0/0.0 with /32 instead of /30.
Which two solutions could you use to correct this configuration? (Choose two.)
A. [edit interfaces so-0/0/0.0]
user@router# replace family inetaddress /32 with /30
B. [edit interfaces so-0/0/0.0]
user@router# rename family inetaddress /32 to address /30
C. [edit]
user@router# replace interface so-0/0/0.0 family inetaddress /32 with address /30
D. [edit interfaces so-0/0/0.0]
user@router# delete family inet address
user@router# set family inetaddress /30
Answer: B,D
Q10. A network administrator would like to view detailed interface status, properties, statistics, errors, and CoS packet counters.
Which operational command will display this information?
A. show interfaces extensive
B. show interfaces
C. show configuration interfaces
D. show interface status
Answer: A
Q11. Which network mask is the equivalent of 255.255.248.0?
A. /20
B. /21
C. /22
D. /23
Answer: B
Q12. Which operating system do Juniper Networks MX Series routers use?
A. IOS
B. MX-OS
C. UNIX
D. Junos OS
Answer: D
Q13. What are two valid actions for a routing policy? (Choose two.)
A. discard
B. next policy
C. accept
D. ignore
Answer: B,C
Q14. Which two statements are true regarding routing tables? (Choose two.)
A. The routing table is populated by the forwarding table.
B. Devices running the Junos OS can accommodate multiple routing tables.
C. Information learned from routing protocols is stored in the routing table.
D. The primary routing table for IPv4 unicast routes is inet.4.
Answer: B,C
Q15. Which two statements are true about terms in a routing policy? (Choose two.)
A. A routing policy cannot have more than one term.
B. If a term does not contain a from statement, all routes match.
C. If a term does not contain a from statement, the Junos OS will not commit.
D. A then statement is not mandatory in a term.
Answer: B,D