Q1. Which command do you use to display the messages seen during the last system boot?
A. show system boot-messages
B. show chassis messages
C. show file system boot-messages
D. show boot-log messages
Answer: A
Q2. -- Exhibit --
traceroute to 10.1.15.2 (10.1.15.2), 30 hops max, 40 byte packets
1 10.1.36.1 (10.1.36.1) 0.651 ms 7.834 ms 0.506 ms
2 10.1.23.1 (10.1.23.1) 0.5 ms 0.5 ms 0.5 ms
3 * * *
4 * * *
-- Exhibit --
Referring to the exhibit, which statement is correct?
A. The packets have exceeded the time-to-live value.
B. There is a loop.
C. The asterisks indicate a response time out.
D. The asterisks indicate that the traceroute is completed.
Answer: C
303. -- Exhibit --user@router# run show route /24 inet.0: 142 destinations, 142 routes (141 active, 0 holddown, 1 hidden)
+ = Active Route, - = Last Active, * = Both
/24 *[OSPF/10] 04:10:20 >to 172.25.213.11 via ge-1/0/1.0 to 172.25.213.23 via ge-1/0/2.0 -- Exhibit --
In the exhibit, what does the (>) symbol indicate?
A. There is a software issue with ge-1/0/1.0 interface.
B. There is a hardware issue with ge-1/0/1.0 interface.
C. The next hop of 172.25.213.11 is selected.
D. The next hop of 172.25.213.11 is not resolvable.
Q3. Which command will silently drop a matching packet?
A. set routing-options static route 10.1.1.1/32 no-retain
B. set routing-options static route 10.1.1.1/32 discard
C. set routing-options static route 10.1.1.1/32 reject
D. set routing-options static route 10.1.1.1/32 passive
Answer: B
Q4. You have been asked to configure your router to send link-related SNMP trap notifications to the network management system (NMS) located at address 172.16.17.1.
Which two commands are required? (Choose two.)
A. set snmp trap-group my-trap-group targets 172.16.17.1
B. set snmp targets 172.16.17.1
C. set snmp trap-group my-trap-group link-status
D. set snmp trap-group my-trap-group categories link
Answer: A,D
Q5. When considering the default behavior of Junos platforms, which statement is true about archiving configurations?
A. A system log message is generated, confirming the transfer attempt.
B. The destination filename format can be altered by configuration.
C. The frequency the system archives the configuration cannot be changed.
D. An archive log is created to track transfer attempts, both failed and successful.
Answer: A
Topic 3, Volume C
Q6. Which word starts the command to remove configuration elements on a Junos device?
A. undo
B. remove
C. delete
D. unset
Answer: C
Q7. Which command returns a list of commands in which a given keyword is used throughout the Junos hierarchies?
A. help topic
B. help reference
C. help apropos
D. help tip
Answer: C
Q8. 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.
Q9. Which two fields are found in an Ethernet frame header? (Choose two.)
A. TTL
B. flags
C. checksum
D. type
Answer: C,D
Q10. Which statement is true regarding the password-recovery process?
A. You must have a console connection.
B. You cannot set the console port to an insecure mode.
C. You must press the Enter key so that you can boot into single-user mode.
D. When prompted to enter the full pathname of the shell, you must press the Enter key.
Answer: A