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Q1. You receive an alarm that your Junos device is experiencing problems regarding temperature.
Which two commands would you use to investigate this problem? (Choose two.)
A. show chassis hardware
B. show chassis temperature-thresholds
C. show chassis pic fpc-slot <value> pic-slot <value>
D. show chassis environment
Answer: B,D
Q2. Which command will show the best paths that are installed in the PFE?
A. show route
B. show route active-path
C. show route private
D. show route forwarding-table
Answer: D
Q3. What is the default action for firewall filters?
A. accept
B. reject
C. discard
D. log
Answer: C
Q4. 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
Q5. Which two statements accurately describe a broadcast domain? (Choose two.)
A. Broadcast domains require that the participating devices connect to common switches or hubs.
B. Broadcast domains consist of devices reachable by frames addressed to the Layer 2 broadcast address.
C. Broadcast domains require a gateway device such as a router.
D. Broadcast domains consist of devices that reside on the same VLAN.
Answer: B,D
Q6. Which login class permission will allow a user to use the telnet utility?
A. network permission
B. maintenance permission
C. supervisor permission
D. shell permission
Answer: A
Q7. Which two statements are true about optical networks? (Choose two.)
A. SONET and SDH both use time-division multiplexing.
B. An optical transport network system uses time-division multiplexing.
C. SONET and SDH both use wavelength-division multiplexing.
D. An optical transport network system uses wavelength-division multiplexing.
Answer: A,D
Q8. What is an advantage of multiple software processes running in the Junos OS?
A. Each process has its own protected memory space.
B. Each process is started manually by the user at boot.
C. All processes are dependent on each other.
D. Multiple processes allow each routing protocol to be independent.
Answer: A
Q9. What is the decimal equivalent of 10101010?
A. 182
B. 180
C. 172
D. 170
Answer: D
Q10. Which configuration parameter on a Junos device alters the default next-hop resolution behavior of a static route?
A. no-readvertise
B. resolve
C. preference
D. passive
Answer: B
Q11. Which two statements are true about TCP communication? (Choose two.)
A. The receiver acknowledges the final packet in each communications stream.
B. The receiver adds sequencing numbers to the packets received.
C. The sender adds sequencing numbers to the packets it sends.
D. The receiver acknowledges each packet it receives from the sending device.
Answer: A,C
Q12. Which two statements describe the forwarding table in the Junos OS? (Choose two.)
A. The forwarding table contains all known routes.
B. The forwarding table stores a subset of information from the routing table.
C. Junos devices use the forwarding table to compare incoming packets against existing entries to determine the next hop.
D. If multiple matches exist, the forwarding table uses the least-specific entry to forward packets toward the destination.
Answer: B,C
Topic 2, Volume B
Q13. Which two external authentication servers are supported for administrative access to a Junos device? (Choose two.)
A. RADIUS
B. LDAP
C. ACE
D. TACACS+
Answer: A,D
Q14. What is the decimal equivalent of 00000110?
A. 2
B. 4
C. 6
D. 11
Answer: C
Q15. -- 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