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Q1. 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
Q2. What are the usable hosts on the .128.0/19 network?
A. .128.1 through .143.254
B. .128.128 through .134.254
C. .128.0 through .134.254
D. .128.1 through .159.254
Answer: D
Q3. 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
Q4. Which command gracefully shuts down the Junos OS?
A. request system reboot
B. request system logout
C. request system halt
D. restart gracefully
Answer: C
Q5. Which statement is true regarding the Junos OS?
A. All platforms running the Junos OS have identical factory-default configurations.
B. All platforms running the Junos OS use the IP2 processor for longest-match lookup.
C. All platforms running the Junos OS use the same source code base.
D. All platforms running the Junos OS use FXP1 for communication between control and forwarding planes.
Answer: C
Q6. Which statement describes the PFE?
A. The PFE controls the RE by providing Layer 2 and Layer 3 forwarding tables.
B. The PFE implements advanced services such as policing, stateless firewall filtering, and class of service.
C. The PFE sends traffic to the RE for systematic packet forwarding.
D. The PFE receives hardware and environmental status messages from the RE.
Answer: B
Q7. What are three characteristics of UDP? (Choose three.)
A. UDP is faster than TCP.
B. UDP operates at the Transport Layer.
C. UDP is connection-oriented.
D. UDP data is sent best-effort.
E. UDP is more reliable than TCP.
Answer: A,B,D
Q8. -- Exhibit –
-- Exhibit --
Which command produces the output shown in the exhibit?
A. show firewall counter telnet-counter filter select-telnet
B. show firewall log
C. show log messages
D. show services accounting usage
Answer: B
Q9. Which statement is true regarding the Junos OS?
A. All platforms running the Junos OS use the same source code base.
B. All platforms running the Junos OS use the same PFE.
C. All platforms running the Junos OS use a hard drive to optimize syslog data storage.
D. All platforms running the Junos OS use a separate process with protected memory space for each routing protocol.
Answer: A
Q10. -- Exhibit --
user@router# run show interfaces terse Interface Admin Link Proto Local fe-0/0/0 up up fe-0/0/0.0 up upinet 10.0.39.2/24 iso mpls fe-0/0/1 up up fe-0/0/1.0 up upinet 10.0.18.2/24 fe-0/0/1.5 down up inet 10.0.19.2/24 -- Exhibit --
An administrator is unable to ping any address on the 10.0.19.0/24 subnet. To identify the problem, the administrator uses the command shown in the exhibit.
Which step should be taken to solve the problem?
A. Check the physical cable.
B. Issue the command activate interfaces fe-0/0/1.5 .
C. Issue the command delete interfaces fe-0/0/1.5 disable.
D. Reconfigure the IP address.
Answer: C
Q11. What are two routing requirements for a device to communicate with another device? (Choose two.)
A. end-to-end communications path
B. hosts on the same Layer 2 broadcast domain
C. hosts on the same Layer 3 broadcast domain
D. routing information on participating Layer 3 devices
Answer: A,D
Q12. During a password recovery, what is the next step after configuring the system to boot into single-user mode?
A. Reset the root password.
B. Press the space bar.
C. Type recovery.
D. Press the "Enter" key.
Answer: C
Q13. Which command do you use to identify the meaning of a syslog message?
A. help log messages
B. man log messages
C. man syslog
D. help syslog
Answer: D
Q14. Which three statements are true regarding the candidate configuration? (Choose three.)
A. The candidate configuration is a temporary configuration that might become the active configuration.
B. A candidate configuration is initially populated with the configuration currently active on the system.
C. Changes to the candidate configuration take effect immediately.
D. The candidate configuration becomes the active configuration after a system reboot.
E. The configure private command allows concurrent editing of a candidate configuration by multiple users.
Answer: A,B,E
Q15. -- 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