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Q1. Which statement is correct regarding IPv6 addresses?
A. An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.
B. An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.
C. An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.
D. An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.
Answer: A
Q2. 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
Q3. Which operational command would you use to quickly verify the state of all interfaces?
A. show interfaces terse
B. show interfaces
C. show configuration interfaces
D. show interface status
Answer: A
Q4. -- 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.
Q5. -- 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
Q6. Which two statements are true about the rescue configuration file? (Choose two.)
A. It must include a root password.
B. It is rollback file number 50, and you can recover it by issuing rollback 50.
C. It is created by issuing request system configuration rescue save.
D. It is updated automatically when you commit.
Answer: A,C
Q7. How do you write the current candidate configuration to the permanent storage media?
A. [edit]
user@router# save /var/tmp/current.conf
B. [edit]
user@router# write /var/tmp/current.conf
C. [edit]
user@router# commit /var/tmp/current.conf
D. [edit]
user@router# dump /var/tmp/current.conf
Answer: A
Q8. Which command prompt indicates that you are in operational mode?
A. user@router&
B. user@router#
C. user@router%
D. user@router>
Answer: D
Q9. Which layer in the TCP/IP model is responsible for delivering packets to their destination?
A. Application Layer
B. Transport Layer
C. Internet Layer
D. Network Access Layer
Answer: C
Q10. -- Exhibit --
[edit firewall family inet filter COS-CLASSIFIER] user@router# show
term MANAGER {
from {
source-address {
192.168.200.0/25;
}
destination-address {
100.100.100.1/32;
}
}
then {
forwarding-class expedited-forwarding;
accept;
}
}
term ALL-OTHER-TRAFFIC {
then accept;
}
[edit interfaces ge-0/0/1]
user@router# show
unit 0 {
familyinet {
filter {
input COS-CLASSIFIER;
}
address 192.168.200.1/24;
}
}
-- 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: C
Q11. Which mode is used to allow only a single person to edit a configuration?
A. configure batch
B. configure private
C. configure exclusive
D. configure dynamic
Answer: C
Q12. -- Exhibit --[edit firewall family inet filter input-filter]
user@router# show
term my-policy {
from {
source-address {
151.43.62.0/24;
}
}
then {
count;
}
} term else { then { discard; } } -- Exhibit --
Which two tasks are accomplished by the firewall filter shown in the exhibit? (Choose two.)
A. Traffic matching the my-policy term will be counted and accepted.
B. Traffic matching the my-policy term will be counted and discarded.
C. Traffic not matching the my-policy term will be discarded.
D. Traffic not matching the my-policy term will be accepted.
Answer: A,C
Q13. At which layer of the OSI model does error checking occur with IPv6?
A. Layer 2
B. Layer 3
C. Layer 4
D. Layer 7
Answer: C
Q14. Which routing table stores IPv4 unicast routes and is used by multicast routing protocols to prevent loops?
A. inet.0
B. inet.1
C. inet.2
D. inet.3
Answer: C
Q15. Which two statements are true of a network mask? (Choose two.)
A. A subnet mask specifies the portion of an IP address that is in a binary format.
B. A subnet mask specifies the portion of an IP address that is in a decimal format.
C. A subnet mask specifies the portion of an IP address that represents a network prefix.
D. A subnet mask specifies the portion of an IP address that represents network hosts.
Answer: C,D