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2021 Sep JN0-343 actual test
Q221. An IP-IP tunnel must meet which two requirements to function correctly? (Choose two.)
A. The tunnel end points must have a valid route to each other.
B. The tunnel end points must be distributed inside the IGP.
C. A GRE tunnel must be established first to carry the IP-IP tunnel.
D. All devices in between the tunnel end points must have a valid route to the tunnel end points.
Answer: AD
Q222. -- Exhibit --routing-options { router-id 10.10.1.2;
}
policy-options {
policy-statement loadbalance {
term 1 {
from {
route-filter 100.100.0.0/16 exact;
}
then {
load-balance per-packet;
}
}
}
}
-- Exhibit --
Referring to the exhibit, you have configured a load balancing policy and the router has an equal cost path for traffic to 10.100.0.0/16.
What must you do to complete the load balancing configuration?
A. Apply the policy as an export policy under the [edit forwarding-options] hierarchy.
B. Apply the policy as an import policy under the [edit forwarding-options] hierarchy.
C. Apply the policy as an export policy under the [edit routing-options forwarding-table] hierarchy.
D. Apply the policy as an import policy under the [edit routing-options forwarding-table] hierarchy.
Answer: C
Q223. The exhibit shows the Ethernet bridge table on an EX Series switch. What does the asterisk (*) in the output indicate?
A. The asterisk (*) indicates a multicast MAC address.
B. The asterisk (*) indicates an invalid MAC address.
C. The asterisk (*) indicates the flood entry for all VLANs.
D. The asterisk (*) indicates all valid destination MAC addresses.
Answer: D
Q224. Which command shows the state of OSPF adjacencies?
A. show protocol ospf
B. show interfaces ospf neighbor
C. show ospf neighbor
D. show port ospf neighbor
Answer: C
Q225. -- Exhibit --user@router> show configuration | no-more
interfaces {
ge-0/0/0 {
unit 0 {
family inet {
address 10.210.12.131/27;
}
}
}
ge-0/0/1 {
unit 0 {
family inet {
filter {
input fbf;
}
address 10.210.14.1/24;
}
}
}
}
firewall {
filter fbf {
term 1 {
then {
routing-instance fbf;
}
}
}
}
routing-instances {
fbf {
instance-type forwarding;
routing-options {
static {
route 0.0.0.0/0 next-hop 10.210.12.129;
}
}
}
}
user@router> show route
inet.0: 4 destinations, 4 routes (4 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both 10.210.12.128/27 *[Direct/0] 3d 23:21:02 > via ge-0/0/0.0 10.210.12.131/32 *[Local/0] 3d 23:21:17 Local via ge-0/0/0.0 10.210.14.0/24 *[Direct/0] 00:00:07 > via ge-0/0/1.0
10.210.14.1/32 *[Local/0] 00:00:07
Local via ge-0/0/1.0
-- Exhibit --
What is causing the behavior shown in the exhibit?
A. The software is ignoring the fbf routing instance because it uses a reserved name.
B. The software is ignoring the default route in the fbf routing instance because there is no default route in the main routing instance.
C. The software is not able to find an interface on the router configured with the
10.210.12.129 address.
D. The software is not able to resolve the next hop of the default route in the fbf routing instance.
Answer: D
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Q226. Which two common scenarios will prevent an IS-IS adjacency from forming? (Choose two.)
A. The interface MTU value is set lower than 1492.
B. An IP address is not configured on the lo0 interface.
C. There are mismatched Level 1 areas.
D. There are mismatched Level 2 areas.
Answer: AC
Q227. Which set of BGP attributes is preferred by the Junos OS?
A. MED. 100 AS path: 65512 65512 65512 Local preferencE. 100 Origin: I
B. MED. 50 AS path: 65512 65512 65512 Local preferencE. 50 Origin: E
C. MED. 100 AS path: 65512 65512 65512 65512 Local preferencE. 100 Origin: I
D. MED. 50 AS path: 65512 65512 65512 Local preferencE. 100 Origin: E
Answer: A
Q228. -- Exhibit --[edit]
user@R1# show interfaces ge-0/0/1
unit 0 {
family inet {
address 10.10.10.1/24 {
vrrp-group 10 {
virtual-address 10.10.10.254;
priority 254;
}
}
}
}
[edit]
user@R2# show interfaces ge-0/0/1
unit 0 {
family inet {
address 10.10.10.2/24 {
vrrp-group 10 {
virtual-address 10.10.10.254;
priority 1;
}
}
}
}
-- Exhibit --
Using the configuration details shown in the exhibit, which two statements are true? (Choose two.)
A. R1 will become the master VRRP router.
B. R2 will become the master VRRP router.
C. If the elected master VRRP router fails, and then returns to an operational state, it will return to the master VRRP router role.
D. If the elected master VRRP router fails, and then returns to an operational state, it will assume the backup VRRP router role.
Answer: AC
Q229. You just implemented RSTP in your Layer 2 network. Which two statements are true? (Choose two.)
A. Switch ports in the alternate port role operating in indirect-recovery mode can immediately transition to the root port role and forwarding state when a failure occurs without waiting for the timer to expire.
B. Switch ports in the alternate port role operating in shared mode can immediately transition to the root port role and forwarding state when a failure occurs without waiting for the timer to expire.
C. Switch ports in the alternate port role operating in point-to-point mode can immediately transition to the root port role and forwarding state when a failure occurs without waiting for the timer to expire.
D. Switch ports operating as edge ports automatically transition to the forwarding state, even directly after a failure and recovery scenario.
Answer: CD
Q230. Which two statements accurately describe VRRP? (Choose two.)
A. The master VRRP router sends periodic announcements to all other VRRP routers in
the group.
B. You can set the value of the TTL field for VRRP packets.
C. VRRP routers communicate using multicast address 224.0.0.5.
D. Each VRRP group uses a single MAC address.
Answer: AD