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Category: JN0-120 (v.3)

Briefing JN0-120: Juniper Networks Certified Internet Associate (JNCIAE) (update November 9th, 2017)

What will happen when it is processed by the firewall f…

— Exhibit —
firewall {
filter select-telnet {
term 1 {
from {
source-address {
10.0.0.0/8;
}
}
then log;
}term 2 {
from {
protocoltcp;
port telnet;
}
then {
syslog;
reject;
}
}
term 3 {
from {
source-address {
10.1.1.1/32;
}
protocoltcp;
port telnet;
}
then {
sample;
accept;
}
}
}
}
— Exhibit —
A Telnet session is initiated from host 10.1.1.1.
What will happen when it is processed by the firewall filter shown in the exhibit?

Which configuration will resolve this problem?

— Exhibit —
[edit policy-options]
user@router# show
policy-statement block-routes {
term 1 {
from {
route-filter 172.27.0.0/24 longer;
}
then reject;
}
term 2 {
then accept;
}
}
— Exhibit —
You are asked to ensure that your device does not accept any prefixes within the 172.27.0.0/24 network. You
have applied the policy shown in the exhibit, but the 172.27.0.0/24 route is still present on your device.
Which configuration will resolve this problem?

which preference value will be set?

— Exhibit —
policy-options {
policy-statement example-pol {
term 1 {
from {
protocol static;
route-filter 10.1.0.0/16 exact;
}
then {
preference 6;
accept;
}
}
term 2 {
from {
protocol static;
route-filter 10.1.1.0/24 longer;
}
then {
preference 7;
accept;
}}
term 3 {
from {
protocol static;
route-filter 10.1.0.0/16 upto /24;
}
then {
preference 8;
accept;
}
}
term 4 {
then accept;
}
}
}
— Exhibit —
Referring to the exhibit, if the static route with prefix 10.1.1.0/24 is evaluated against the routing policy, which
preference value will be set?


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