Which AS path regular expression matches only routes originated in your AS?

Voice traffic is coming in on UDP port 17689. This traffic must be classified into the expeditedforwarding forwarding class.
Which type of classifier is needed?

Which three attributes must a BGP update contain? (Choose three.)

You must configure your access switch with more than 3000 VLANs and you want the ability to
load-balance across them.
Which spanning-tree approach has the least impact on control-plane performance?

You are implementing MSTP in your network.
Which three values must match on all switches within the MST region? (Choose three)

You have been asked to implement a private VLAN with two community VLANs. This private
VLAN will be confined to a single switch in your Layer 2 network. This private VLAN, along with
other VLANs configured on the switch, will require gateway services provided through a connected
router.
Which statement about this deployment is true?

During the BGP route-resolution process, the Junos OS must calculate the appropriate next-hop
based on the BGP protocol next-hop attribute.
Which two routing tables are checked during this process in a default Junos configuration?
(Choose two.)

You have a requirement for a device to provide 20 W of power over Ethernet.
What meets this requirement?

R1 has an OSPF adjacency with R2 over a point-to-point link.
Which three statements about the advertisements for this link in the Type 1 (Router) LSA
generated by R1 are true? (Choose three.)

What is the significance of the multicast address range 224.0.0.1 through 224.0.0.254?