多项选择题

Which two are valid IS-IS PDU types？（）

A.broadcast hellos
B.Level 1 LAN hellos
C.Point-to-point hellos
D.Level 2 point-to-point hellos

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多项选择题

What are three applications for firewall filters in JUNOS software？（）

A.route filtering
B.protect the routing engine
C.securing the router control plane
D.protect against hidden bridge loops
E.protect against denial of service attacks

单项选择题

You have a firewall filter containing two terms applied in an inbound direction on a customer interface. You would like this filter to protect your network from a spoofed denial of service attack. What match criterion should be used in the first term of the filter？（）

A.Source TCP port
B.Source IP address
C.Destination TCP port
D.Destination IP address

单项选择题

Which JUNOS software feature allows a user to define specific next-hop values for IP packets based on the source IP address of that packet？（）

A.MPLS
B.Load Balancing
C.Class Based Forwarding
D.Filter Based Forwarding