Questions for the JN0-648 were updated on : Sep 01 ,2024
Exhibit.
Which two statements are true about the 802. 1X output shown in the exhibit? (Choose two.)
BD
You receive the same 100.200.0/16 route from all four ISPs to which you are connected.
Referring to the exhibit, which ISP's route will be selected as active?
A
Click the Exhibit button.
You recently implemented the configuration shown in the exhibit. After committing these changes,
the community devices connected to AS-1 are not able to communicate with the appropriate
community devices connected to AS-2.
What must be done to allow these community devices to communicate?
C
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/private-vlans.html#id-
example-configuring-pvlans-with-secondary-vlan-trunk-ports-and-promiscuous-access-ports
On all the switches, configure a trunk interface as the Inter-Switch Link (ISL) that will be used to
connect the switches to each other
Packets enter a Juniper device and are classified as best effort. During the processing of the packet,
the classification of the packets is changed to expedited forwarding by a multi-field classifier. The
device is using the default CoS policies
Which statement is true in this scenario?
B
Exhibit.
YourNet is learning the 210.210.40.0/24 route from Provider A and Provider B YourNet would like to
forward traffic destined to the 210.210.40.0/24 networking using Provider B.
Referring to the exhibit, how would you accomplish this task?
D
You have PIM SM multicast configure and running in a network environment comprised of EX4300
devices. Your customer report increased delay when switching channels using IPTV. To help decrease
the delay, you implement PIM join balancing. You add the set protocol pim join-load-balance
command to the configuration. After committing, you notice that the flows are still using one path.
In this scenario, which statement is correct?
D
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/mcast-pim-join-load-balance.html
The clear pim join-distribution command redistributes the existing flows to new or restored upstream
neighbors.
You are deploying IP phones in your Layer 2 network and are asked to ensure that the switch sends
VLAN and CoS information to the IP phones automatically.
In this scenario, which protocol should be used?
D
Which protocol is used for port-level access control and authentication?
C
What is the correct authentication processing order on EX Series switches when multiple Layer 2
authentication methods are enabled?
D
Which two statements about BGP communities are true? (Choose two.)
BD
Click the Exhibit button.
Referring to the exhibit, how is R1 learning the route from R2?
R2 has an export policy with external type 2 configured.
C
What information is contained in an OSPF LSA header? (Choose two.)
BC
Click the Exhibit button.
You have configured MSTP in your Layer 2 network. You are having problems with it establishing
correctly.
Referring to the exhibit, what is causing the problem?
B
Exhibit.
Referring to the configuration shown in the exhibit, how many of the routes received from 10.0.0.2
will be active in the routing table?
C
Click the Exhibit button.
You are adding VNI 101 to your EVPN-VXLAN network, but traffic is not being sent or received.
Referring to the exhibit, which configuration statement will solve the problem?
C
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/example/evpn-vxlan-mx-qfx-configuring.html
https://www.juniper.net/documentation/us/en/software/junos/evpn-vxlan/topics/task/evpn-routing-instance-configuring.html