What are two characteristics of OSPF ABRs? (Choose two.)
A, D
Explanation:
Area border router (ABR): An OSPF router with links in two areas, the ABR is responsible for
connecting OSPF areas to the backbone. It transmits network information between the backbone
and other areas.
Exhibit.
Referring to the exhibit, which configuration will force traffic to always use ae0.0 as long as it is
active?

C
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/redundant-trunk-groups.html
1. set protocols rstp disable
2. set redundant-trunk-group group name interface interface-name primary
3. set redundant-trunk-group group name interface interface-name
4. option: set redundant-trunk-group group name preempt-cutover-timer seconds
Rapid Spanning Tree Protocol (RSTP) is enabled by default on EX Series switches to create a loop-
free topology, but an interface is not allowed to be in both a redundant trunk group and in a
spanning-tree protocol topology at the same time.
Exhibit.
Click the Exhibit button Referring to the exhibit, what will be the IS-IS adjacency result of the
configurations?
C
Which two sequences correctly describe the processing order of firewall filters on an EX Series
switch? (Choose two.)
BD
In which two STP states is a port active and a MAC address learned? (Choose two.)
B, D
Which statement is true when using LAGs with an EX4300?
D
Exhibit.
Which statement is true about the configuration shown in the exhibit?
B
Click the Exhibit button.
You want to prevent rogue BPDUs from lab devices reaching the internal through the Lab_Switch
device.
Referring to the exhibit, what should be done to accomplish this task?
C
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/bpdu-block-edit-protocols-layer2-control.html
Exhibit.
In the exhibit, each IP subnet in the network is associated with a unique VLAN ID
Which action wilt ensure that Host C will communicate with host A and Host B?
B
Which statement is correct about 1S IS link state PDUs?
C