Juniper Service Provider Routing and Switching - JN0-661 Exam Practice Test
Click the Exhibit button.
Which configuration supports interprovider Layer 3 VPN option B on ASBR1 as shown in the exhibit?
Which configuration supports interprovider Layer 3 VPN option B on ASBR1 as shown in the exhibit?
Correct Answer: B
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Packets traverse a Junos device configured for class of service.
Which two statements are true in this scenario? (Choose two.)
Which two statements are true in this scenario? (Choose two.)
Correct Answer: A,D
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-- Exhibit -
-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, what are three operations performed by the service provider's PE routers? (Choose three.)
-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, what are three operations performed by the service provider's PE routers? (Choose three.)
Correct Answer: A,B,E
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Click the Exhibit button.
RR:
protocols {
bgp {
group ebgd {
type external;
peer-as 100;
neighbor 172.16.1.1 {
description R1;
}
}
group ibgp {
type internal;
neighbor 172.16.1.2 {
description R2;
}
group cluster {
type internal;
neighbor 172.16.1.3 {
description R3;
}
neighbor 172.16.1.4 {
description R4;
}
neighbor 172.16.1.5 {
description R5;
}
cluster 0.0.0.1;
no-client-reflect;
}
}
}
Router RR is receiving routes from R1, R2, R3, and R4 as shown in the exhibit.
Which routes will RR advertise to R5? (Choose two.)
RR:
protocols {
bgp {
group ebgd {
type external;
peer-as 100;
neighbor 172.16.1.1 {
description R1;
}
}
group ibgp {
type internal;
neighbor 172.16.1.2 {
description R2;
}
group cluster {
type internal;
neighbor 172.16.1.3 {
description R3;
}
neighbor 172.16.1.4 {
description R4;
}
neighbor 172.16.1.5 {
description R5;
}
cluster 0.0.0.1;
no-client-reflect;
}
}
}
Router RR is receiving routes from R1, R2, R3, and R4 as shown in the exhibit.
Which routes will RR advertise to R5? (Choose two.)
Correct Answer: B,C
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Click the Exhibit button.
[edit]
user@PE-1# show protocols
rsvp {
interface all;
}
mpls {
label-switched-path p1 {
from 1.1.1.1;
to 4.4.4.4;
no-cspf;
}
interface all;
}
bgp {
group Int {
type internal;
local-address 1.1.1.1;
family inet {
unicast;
}
family inet-vpn {
unicast;
}
neighbor 2.2.2.2;
neighbor 3.3.3.3;
neighbor 4.4.4.4;
}
}
ospf {
area 0.0.0.0 {
interface ge-0/0/2.0;
interface lo0.0;
}
}
[edit]
user@PE-1# show routing-instances CE-1
instance-type vrf;
interface ge-0/0/1.0;
route-distinguisher 65325:616;
vrf-target target:65412:100;
routing-options {
static {
route 100.100.100.0/24 next-hop
192.168.1.100;
}
}
[edit]
user@P-1# show protocols
rsvp {
interface all;
}
mpls {
interface all;
}
ospf {
area 0.0.0.0 {
interface ge-0/0/1.0;
interface ge-0/0/2.0;
interface lo0,0;
}
}
[edit]
user@P-2# show protocols
rsvp {
interface all;
}
mpls {
interface all;
}
ospf {
area 0.0.0.0 {
interface ge-0/0/1.0;
interface ge-0/0/2.0;
interface lo0,0;
}
}
[edit]
user@PE-2# show protocols
rsvp {
interface all;
}
mpls {
label-switched-path p2 {
from 4.4.4.4;
to 1.1.1.1;
no-cspf;
}
interface all;
}
bgp {
group Int {
type internal;
local address 4.4.4.4;
family inet {
unicast;
}
family inet-vpn {
unicast;
}
neighbor 2.2.2.2;
neighbor 3.3.3.3;
neighbor 1.1.1.1;
}
}
ospf {
area 0.0.0.0 {
interface ge-0/0/2.0;
interface lo0.0;
}
}
[edit]
user@PE2# show routing-instances CE-2
instance-type vrf;
interfcae ge-0/0/1.0;
route-distinguisher 65325:616;
vrf-target target:64512:100;
routing-options {
static {
route 200.200.200.0/24 next-hop
10.1.1.100;
}
}
Referring to the exhibit, you have configured an L3VPN that connects Site-1 and Site-2 together, but the BGP routes are not showing up on the PE routers. The topology in this scenario is shown below.
Site-1 > PE-1 > P-1 > P-2 > PE-2 > Site-2
Which action should you take to allow communication between Site-1 and Site-2?
[edit]
user@PE-1# show protocols
rsvp {
interface all;
}
mpls {
label-switched-path p1 {
from 1.1.1.1;
to 4.4.4.4;
no-cspf;
}
interface all;
}
bgp {
group Int {
type internal;
local-address 1.1.1.1;
family inet {
unicast;
}
family inet-vpn {
unicast;
}
neighbor 2.2.2.2;
neighbor 3.3.3.3;
neighbor 4.4.4.4;
}
}
ospf {
area 0.0.0.0 {
interface ge-0/0/2.0;
interface lo0.0;
}
}
[edit]
user@PE-1# show routing-instances CE-1
instance-type vrf;
interface ge-0/0/1.0;
route-distinguisher 65325:616;
vrf-target target:65412:100;
routing-options {
static {
route 100.100.100.0/24 next-hop
192.168.1.100;
}
}
[edit]
user@P-1# show protocols
rsvp {
interface all;
}
mpls {
interface all;
}
ospf {
area 0.0.0.0 {
interface ge-0/0/1.0;
interface ge-0/0/2.0;
interface lo0,0;
}
}
[edit]
user@P-2# show protocols
rsvp {
interface all;
}
mpls {
interface all;
}
ospf {
area 0.0.0.0 {
interface ge-0/0/1.0;
interface ge-0/0/2.0;
interface lo0,0;
}
}
[edit]
user@PE-2# show protocols
rsvp {
interface all;
}
mpls {
label-switched-path p2 {
from 4.4.4.4;
to 1.1.1.1;
no-cspf;
}
interface all;
}
bgp {
group Int {
type internal;
local address 4.4.4.4;
family inet {
unicast;
}
family inet-vpn {
unicast;
}
neighbor 2.2.2.2;
neighbor 3.3.3.3;
neighbor 1.1.1.1;
}
}
ospf {
area 0.0.0.0 {
interface ge-0/0/2.0;
interface lo0.0;
}
}
[edit]
user@PE2# show routing-instances CE-2
instance-type vrf;
interfcae ge-0/0/1.0;
route-distinguisher 65325:616;
vrf-target target:64512:100;
routing-options {
static {
route 200.200.200.0/24 next-hop
10.1.1.100;
}
}
Referring to the exhibit, you have configured an L3VPN that connects Site-1 and Site-2 together, but the BGP routes are not showing up on the PE routers. The topology in this scenario is shown below.
Site-1 > PE-1 > P-1 > P-2 > PE-2 > Site-2
Which action should you take to allow communication between Site-1 and Site-2?
Correct Answer: D
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Which two statements are true regarding the CSPF algorithm? (Choose two.)
Correct Answer: A,B
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Click the Exhibit button.
You implemented the configuration shown in the exhibit on your route reflector device.
However, you notice traffic is transiting the route reflector rather than taking the optimum path.
Which two actions would solve the problem? (Choose two.)
You implemented the configuration shown in the exhibit on your route reflector device.
However, you notice traffic is transiting the route reflector rather than taking the optimum path.
Which two actions would solve the problem? (Choose two.)
Correct Answer: A,C
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Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).