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Q1. Which statement is true about a routing table?
A. It contains routes learned dynamically only.
B. It finds the best path to each destination by using a modified shortest-path-first calculation.
C. It contains only active BGP routes.
D. It contains all accepted routes to all destinations.
Answer: D
Q2. -- Exhibit --
user@router> show configuration firewall
familyinet {
filter demo {
term example {
from {
source-address {
100.100.100.0/24;
}
destination-address {
200.200.200.0/24;
}
}
then {
reject;
}
}
term testing {
from {
source-address {
10.10.10.0/28;
}
destination-address {
200.200.200.0/24;
}
}
then sample;
}
term results {
from {
address {
200.200.200.0/24;
}
}
then accept;
}
term final { thenpolicer LAPD; } } } -- Exhibit --
Given the configuration shown in the exhibit, what will happen to traffic from source
10.10.10.25 destined to 200.200.200.1?
A. The traffic will be rejected.
B. The traffic will be dropped.
C. The traffic will be forwarded.
D. The traffic will be policed.
Answer: C
Q3. Which command will display the contents of the forwarding table?
A. show route forwarding-table
B. show forwarding
C. show configuration
D. show interfaces
Answer: A
Q4. 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
Q5. -- Exhibit --user@router> show route inet.0: 9 destinations, 9 routes (9 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
10.10.10.91/32 *[Direct/0] 00:09:40
>via lo0.0
10.10.10.92/32 *[OSPF/10] 00:01:50, metric 1
>to 172.16.1.2 via ge-0/0/2.0
100.100.1.0/24 *[Static/5] 00:01:50
Reject
172.16.1.0/24 *[Direct/0] 00:06:09
>via ge-0/0/2.0
172.16.1.1/32 *[Local/0] 00:06:09
Local via ge-0/0/2.0
192.168.0.0/16 *[Aggregate/130] 00:00:06
Reject
192.168.0.0/17 *[Aggregate/130] 00:00:06
>to 172.16.1.2 via ge-0/0/2.0
192.168.50.0/24 *[Static/5] 00:00:06
>to 172.16.1.2 via ge-0/0/2.0
192.168.51.0/24 *[Static/5] 00:00:06
>to 172.16.1.2 via ge-0/0/2.0
user@router> show configuration policy-options
policy-statement demo {
term 1 {
from {
route-filter 192.168.0.0/16 longer accept;
}
then reject;
}
}
user@router> show configuration protocols ospf
export demo;
area 0.0.0.0 {
interface ge-0/0/2.0;
}
-- Exhibit --
Given the configuration and routing table shown in the exhibit, which routes will be advertised to OSPF neighbors because of the demo policy?
A. 192.168.0.0/16 only
B. 192.168.0.0/17 only
C. 192.168.50.0/24 and 192.168.51.0/24
D. 192.168.0.0/17, 192.168.50.0/24, and 192.168.51.0/24
Answer: D
Q6. What is the default action for firewall filters?
A. accept
B. reject
C. discard
D. log
Answer: C
Q7. Which statement is true regarding syslog on Junos devices?
A. No logging is enabled by default.
B. By default, the information is stored in a file named events.
C. Only the message severity level must be configured.
D. You can configure the router to send log messages to the console.
Answer: D
Q8. You need to control SSH, HTTP, and Telnet access to an MX240 router through any interface. You have decided to use a firewall filter.
How should you apply the firewall filter?
A. as an outbound filter on interface fxp0
B. as an outbound filter on interface lo0
C. as an inbound filter on interface fxp0
D. as an inbound filter on interface lo0
Answer: D
Q9. -- Exhibit --[edit system syslog] user@router# show host 152.170.10.10 {
any warning;
}
file changes {
change-log info;
}
-- Exhibit --
Referring to the exhibit, which two statements are true? (Choose two.)
A. Any warning message will be sent to the 152.170.10.10 host.
B. A warning message will be logged when the 152.170.10.10 host logs in.
C. Changes to the device's internal temperatures will be logged.
D. Changes to the configuration will be logged.
Answer: A,D
Q10. What represents the binary equivalence of 148?
A. 10010110
B. 11010010
C. 10011100
D. 10010100
Answer: D
Q11. After editing to your device’s configuration, which command must you enter to activate the configuration changes?
A. set
B. copy candidate active
C. apply-config
D. commit
Answer: D
Q12. Which two statements are true regarding the role of the Routing Engine (RE)? (Choose two.)
A. The RE controls and monitors the chassis.
B. The RE manages the Packet Forwarding Engine (PFE).
C. The RE receives a copy of the forwarding table from the forwarding plane.
D. The RE implements class of service (COS).
Answer: A,B
Q13. You are asked to free up disk space so you can update your version of the Junos OS.
Which two commands display the files that will be removed? (Choose two.)
A. user@router> request system storage cleanup
B. user@router> show system storage
C. user@router> request system storage cleanup dry-run
D. user@router> show system storage detail
Answer: A,C
Q14. What are three physical interface properties? (Choose three.)
A. payload scrambling
B. virtual circuit identifier
C. FCS
D. link speed
E. IP address
Answer: A,C,D
Q15. Which two statements are correct about Layer 2 broadcast frames? (Choose two.)
A. Layer 2 broadcast frames are processed by all devices on the same VLAN.
B. Layer 2 broadcast frames are discarded by routers that connect to multiple VLANs.
C. Layer 2 broadcast frames are relayed by routers to all connected VLANs.
D. Layer 2 broadcast frames are relayed by switches to devices on the same VLAN.
Answer: A,D