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Q1. 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
Q2. Which command will apply a policy to redistribute static routes into OSPF?
A. set protocols ospf import static-routes
B. set protocols ospf export static-routes
C. set routing-options static defaults readvertise
D. set routing-options static route 0.0.0.0/0 readvertise
Answer: B
Q3. -- Exhibit --[edit policy-options policy-statement my-policy]
user@router# show
term 1 {
from {
route-filter 192.168.0.0/16 orlonger;
}
then accept;
}
-- Exhibit --
Referring to the exhibit, which three networks match the policy? (Choose three.)
A. 192.168.0.0/16
B. 192.168.0.0/15
C. 192.168.65.0/24
D. 192.167.0.0/17
E. 192.168.24.89/32
Answer: A,C,E
Q4. Which two can be used to create and apply an export policy that advertises static routes to
RIP neighbors? (Choose two.)
A. set protocols rip export demo
B. edit policy-options policy-statement demo set term 1 from protocol static set term 1 then accept
C. edit policy-options policy-statement demo set term 1 from protocol static accept
D. set protocols rip group internal export demo
Answer: B,D
Q5. 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
Q6. 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
Q7. You are modifying the default route preference under the [edit protocols] hierarchy.
In which two routing information sources can you change the default preference value? (Choose two.)
A. local
B. OSPF
C. direct
D. BGP
Answer: B,D
Q8. Which statement is true regarding the Junos OS?
A. All platforms running the Junos OS separate the functions of learning and flooding.
B. All platforms running the Junos OS separate the functions of control and forwarding.
C. All platforms running the Junos OS separate the functions of routing and bridging.
D. All platforms running the Junos OS separate the functions of management and routing.
Answer: B
Q9. What are three benefits of using IPv6? (Choose three.)
A. IPv6 supports a greater level of security by integrating features that were optional add-ons in IPv4.
B. IPv6 reduces administrative overhead using stateless address autoconfiguration for hosts.
C. IPv6 eliminates the need for private to public NAT using a large address pool.
D. IPv6 provides backward compatibility with IPv4 using the Next Header field.
E. IPv6 represents large IP addresses using dotted decimal notation.
Answer: A,B,C
Q10. Which two statements are true regarding an Ethernet collision domain? (Choose two.)
A. If a switch is used, the collision domain is limited to each device and the switch.
B. If a hub is used, the collision domain is limited to each device and the hub.
C. If a hub is used, the collision domain includes all devices connected to the hub.
D. If a switch is used, the collision domain includes all devices connected to the switch.
Answer: A,C
284. Two devices on an Ethernet segment sent frames at the same time causing a collision.
Which two statements are true? (Choose two.)
A. Both devices stop transmitting, wait a random period of time, verify the wire is idle, and re-transmit.
B. The device with the lowest MAC address is permitted to retransmit first.
C. The device with the lowest MAC address sends a jam signal to notify all other devices of the collision.
D. Both devices send a jam signal to notify all other devices of the collision.
Q11. Which two statements are true regarding trace options on Junos devices? (Choose two.)
A. You can see the contents of the log file by entering the show log <filename> command.
B. Trace options will send information to your screen automatically.
C. Trace options are limited to one protocol at a time.
D. The file name and a set of flags may be specified when enabling traceoptions.
Answer: A,D
Q12. -- Exhibit --{master:0}[edit interfaces]
user@switch# show
me0 {
disable;
unit 0 {
familyinet {
address 10.1.1.10/24;
}
}
}
-- Exhibit --
Administrators report that they are unable to access the management interface of the EX Series device shown in the exhibit.
Which command will resolve this problem?
A. delete me0 disable
B. activate me0
C. set me0 unit 0 enable
D. deactivate me0
Answer: A
Q13. Which two statements are true about firewall filter configurations? (Choose two.)
A. Multiple action modifiers can be included in the same term.
B. Only a single action modifier can be included in the same term.
C. The default term within a firewall filter uses the discard action.
D. The default term within a firewall filter uses the reject action.
Answer: A,C
Q14. What is the central processing component of the forwarding plane?
A. PFE
B. RE
C. Junos OS
D. forwarding table
Answer: A
Q15. A network administrator wants to verify the active alarms on interface so-0/0/0.0.
Which command displays this information?
A. show interfaces alarms
B. show interfaces terse
C. show alarms extensive
D. show interfaces extensive
Answer: D