单选题 Which configuration command limits the number of connections supported on a single PPPoE major interface?（）
单选题 You want to create a security policy allowing traffic from any host in the Trust zone to hostb.example.com (172.19.1.1) in the Untrust zone. How do you create this policy?（）
Specify the IP address (172.19.1.1/32) as the destination address in the policy.
Specify the DNS entry (hostb.example.com) as the destination address in the policy.
Create an address book entry in the Trust zone for the 172.19.1.1/32 prefix and reference this entry in the policy.
Create an address book entry in the Untrust zone for the 172.19.1.1/32 prefix and reference this entry in the policy.
EBGP peers advertise MED and change Next Hop.
EBGP peers advertise Local Preference and do NOT change Next Hop.
Confederation BGP peers advertise MED and do NOT change Next Hop.
Confederation BGP peers advertise Local Preference and change Next Hop.
单选题 You would like to configure an Ethernet interface with the following characteristics: Which set of configuration commands accurately completes this task?（）
Buffer memory is managed dynamically in the I/O module.
Buffer memory is managed dynamically in the switch fabric.
Buffer memory is managed dynamically on egress line modules.
Buffer memory is managed dynamically on ingress line modules
单选题 A BGP connection is being established.What happens if the local router and the peer router do NOT have the same hold-time value configured?（）
The BGP session does not establish.
The hold time is assumed to be infinite.
The larger of the two hold-time values is used.
The smaller of the two hold-time values is used.