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Q1. You are asked to configure the configuration archival feature on your Junos devices.
Which two transfer methods are available? (Choose two.)
A. TFTP
B. FTP
C. SCP
D. SFTP
Answer: B,C
Q2. Which two prefixes would summarize the networks shown below? (Choose two.)
192.168.1.0/24 192.168.2.0/24 192.168.3.0/24
A. 192.168.0.0/23
B. 192.168.0.0/22
C. 192.168.0.0/24
D. 192.168.0.0/21
Answer: B,D
Q3. Which network mask is the equivalent of 255.255.248.0?
A. /20
B. /21
C. /22
D. /23
Answer: B
Q4. -- Exhibit – -- Exhibit --
Referring to the exhibit, you want to block HTTP access to Web-Server from the subnet where Mal-User is located. All other traffic should be permitted.
Which firewall filter configuration do you use?
A. [edit firewall family inet filter STOP-MAL-USER]
user@router# show
term one {
from {
source-address {
200.200.200.0/24;
}
destination-address {
100.100.100.10/32;
}
protocoltcp;
destination-port http;
}
then accept;
}
term two {
then {
reject;
}
}
B. [edit firewall family inet filter STOP-MAL-USER]
user@router# show
term one {
from {
source-address {
100.100.100.0/24;
}
destination-address {
200.200.200.1/32;
}
protocoltcp;
destination-port http;
}
then accept;
}
term two {
then {
reject;
}
}
C. [edit firewall family inet filter STOP-MAL-USER]
user@router# show
term one {
from {
source-address {
100.100.100.0/24;
}
destination-address {
200.200.200.1/32;
}
protocoltcp;
destination-port http;
}
then reject;
}
term two {
then {
accept;
}
}
D. [edit firewall family inet filter STOP-MAL-USER]
user@router# show
term one {
from {
source-address {
200.200.200.0/24;
}
destination-address {
100.100.100.10/32;
}
protocoltcp;
destination-port http;
}
then reject;
}
term two {
then {
accept;
}
}
Answer: D
Q5. 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
Q6. -- Exhibit --inet.0: 4 destinations, 4 routes (4 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
172.23.10.0/24 *[Direct/0] 21:59:56 >via ge-0/0/6.0 172.23.10.100/32 *[Local/0] 22:00:10 Local via ge-0/0/6.0 172.23.12.0/24 *[Static/5] 00:01:36 >to 172.23.10.1 via ge-0/0/6.0 172.23.15.0/24 *[Static/5] 00:01:36 >to 172.23.10.1 via ge-0/0/6.0 -- Exhibit --
Users are unable to access resources in the 172.23.14.0/24 subnet.
Referring to the exhibit, which two actions would solve this problem? (Choose two.)
A. Configure a separate routing instance.
B. Configure a default static route.
C. Configure a static route to 172.23.14.0/24.
D. Configure the existing routes to resolve the indirect next hop.
Answer: B,C
Q7. Which directory does the Junos OS use to store syslog information by default?
A. /var/messages
B. /var/syslog
C. /var/tmp
D. /var/log
Answer: D
Q8. What are three examples of dynamic IGPs? (Choose three.)
A. OSPF
B. BGP
C. IS-IS
D. PIM
E. RIP
Answer: A,C,E
Q9. You configured an interface with an IP address and committed the change. You then committed a change that added an exception in a firewall filter to allow this network through the filter. You realize that this work was done on the wrong router.
How do you undo all these changes?
A. rollback 2
B. rollback 1
C. rollback 0
D. rollback 3
Answer: A
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. What is the purpose of unicast reverse path forwarding?
A. to validate packet receipt on interfaces where the traffic should be received
B. to forward packets out the interfaces where the traffic should be received
C. to forward packets out the interfaces where the traffic should be sent
D. to validate packet receipt on interfaces where the traffic should be sent
Answer: A
Q12. -- Exhibit --[edit policy-options policy-statement my-policy]
user@router# show
term 1 {
from {
route-filter 192.168.0.0/16 prefix-length-range /20-/24;
}
then accept;
}
-- Exhibit --
Referring to the exhibit, which three networks match the policy? (Choose three.)
A. 192.168.0.0/20
B. 192.168.0.0/16
C. 192.168.128.0/18
D. 192.168.128.0/21
E. 192.168.64.0/24
Answer: A,D,E
Q13. Random early detection (RED) is associated with which class of service component?
A. classification
B. policing
C. queuing
D. scheduling
Answer: D
Q14. Which layer in the OSI model is responsible for translating frames into bits?
A. Application Layer
B. Presentation Layer
C. Data Link Layer
D. Physical Layer
Answer: C
Q15. What is a route filter?
A. a list of prefixes that can be configured in a policy
B. a single prefix that is configured separately, and can be referenced in a policy
C. a list of prefixes that is configured separately and can be referenced in a policy
D. a single prefix that can be configured within a policy
Answer: D