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A. An AS-Path filter matches the AS-Path attribute in BGP mutes so it can only filter BGP mutes.

B. A route-policy can only match mutes and data packets, but cannot route attributes or forwarding behaviors for data packets

C. A community-filter matches community attributes in BGP routes, so it can only filter BGP mutes.

D. An IP prefix matches destination addresses of routes or directly applies to a router object (gateway)

E. An access control list (ACL) matches routing information or addresses is data packets to filter out router or data packets that do not meet matching conditions

A. False

B. True

A. Lt can provide a load control service to ensure that even in the case of network overload can provide services similar to the net model ensures that packets of some applications can be processed with the low delay

B. Lt provides guaranteed bandwidth and delay to meet requirements of the application

C. ln this model the network maintains the status of each flow(IP addresses and port numbers of source and destination and destination ends )meeting application requirements

D. RSVP is used to transmit signaling of Qos requests notifying the router of Qos requirements of the application

A. FALSE

B. TRUE

A. FALSE

B. TRUE

A. An Autonomous System Boundary Router ( ASBR ) can be an internal router , a backbone router , or an ABR

B. A backbone router is a router with at least two interfaces belonging to the backbone area.

C. An Area Border Router (ABR) is a router connected to one or more areas , one of which is the backbone area. ABR

D. An internal router is a router of which all the interfaces belong to the same area.

A. The IGMPv1 router considers IGMPv2 Report messages invalid and ignores them.

B. When the IGMPv1 router acts as an effective IGMP queried the IGMPv2 host must send IGMPv1 Report messages to the router.

C. Wien the GMPv2 host leaves the group it still sends an IGMP leave message and this message cannot be suppressed

D. When the IGMPv2 host detects that the IGMP queried is running IGMPv1 it must always respond to the queried with IGMPv1 Report messages

A. You do not need to configure the principal VLAN and subordinate VLAN in sequence

B. The MUX VLAN can contain only one subordinate group VLAN

C. The principal VLAN and the subordinate VLAN of the MUX VLAN can be the same VLAN

D. The MUX VLAN function must be enabled on an interface so that it can take effect

A. bfd all-interface enable

B. bfd enable

C. All-interface bfd enable
Am

D. Undo bfd all-interface disable