Communityflter has two types of basic group nature filters and advanced group property filters. Which of the following filters makes the Advanced Group Genus Filter more flexible than the Basic Group Attribute Filter to match group attributes?

• A.IP-prefix
• B.ACL
• C.Regular-expression
• D.AS-path-filter

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To prevent hackers from attacking user devices or networks using MAC addresses, you can configure MAC addresses of untrusted users as blackhole MAC addresses to filter out such invalid MAC addresses. When receiving a packet whose source or destination MAC address is a blackhole MAC address on a device, the device discards the packet.

• A.TRUE
• B.FALSE

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What are the wrong statements about OSTPF's Router LSA and Network LSA?

• A.A router running OSPF must produce a Router LSA
• B.A router running OSPF must produce a Network LSA
• C.Network LSA carries both topology and routing information
• D.There must be both Router LSA and Network LSA in the OSPF network

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Which of the following intelligent traffic steering policies can be used to fully utilize link bandwidth and implement link bandwidth-based load balancing on an enterprise network with multiple links?

• A.Link quality-based traffic steering
• B.Traffic bandwidth-based traffic steering
• C.Application priority-based traffic steering
• D.Link priority-based traffic steering

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The multicast protocol that can generate multicast distribution trees is ?

• A.BGP
• B.IGMPv2
• C.PIMV2
• D.OSPF

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