A.Effectively the trust boundary has been moved to the IP phone
B.The host is now establishing the CoS value and has effectively become the trust boundary
C.The switch is rewriting packets it receives from the IP phone and determining the CoS value
D.The switch will no longer tag incoming voice packets and will trust the distribution layer switch to set the CoS
E.RTP will be used to negotiate a CoS value based upon bandwidth utilization on the link

A.Physically the voice network and the data network are separate
B.The voice traffic will normally be on a different IP subnet than will the data traffic
C.End user intervention is necessary to place the phone into the proper VLAN
D.The same security policy should be implemented for both voice and data traffic
E.The data VLAN must be configured as the native VLAN

A.：：/0 is the unspecified address， and ：：/128 is the multicast address
B.：：/0 is the unicast address， and ：：/128 is the anycast address
C.：：/0 is the unicast address， and ：：/128 is the multicast address
D.：：/0 is the anycast address， and ：：/128 is the multicast address
E.：：/0 is the default route， and ：：/128 is the unspecified address
F.：：/0 is the anycast address， and ：：/128 is the default address

A.The maximum number of times a double colon can replace a 16-bit segment that consists of all zeroes is two
B.The leading zeroes in any 16-bit segment do not have to be written.
C.Every 16-bit segment that consists of all zeroes can be represented with a single colon
D.The trailing zeroes in any 16-bit segment do not have to be written.
E.Any single， continuous string of one or more 16-bit segments that consists of all zeroes can be represented with a double colon
F.Two zeroes in the middle of any 16-bit segment do not have to be written

A.All six routes will be installed in the routing table
B.Two routes will be installed in the routing table
C.Four routes will be installed in the routing table
D.All the routes were redistributed into BGP from an IGP
E.All the routes were originated by BGP with the network command

A.The network was originated via redistribution of an interior gateway protocol into BGP
B.The network was defined by a static route
C.The network was originated via a network or aggregate command
D.The network was learned via EBGP
E.The network was learned via IBGP

A.R4（config）# ip default-network 10.0.0.0
B.R4（config）# ip route 0.0.0.0 0.0.0.0 10.1.1.1
C.R4（config）# ip route 10.0.0.0 255.0.0.0 10.1.1.1
D.R4（config-router）# default-information originate

A.The map prohibits the redistribution of all type 2 external OSPF routes with tag 6 set
B.The map prohibits the redistribution of all type 2 external OSPF routes
C.The map redistributes into EIGRP all routes that match the pfx prefix list and the five metric values40000， 1000， 255， 1， and 1500
D.The map prohibits the redistribution of all external OSPF routes with tag 6 set
E.All routes that do no match clauses 10 and 20 of the route map are redistributed with their tags set to 8
F.The map permits the redistribution of all type 1 external OSPF routes

A.0
B.1
C.10
D.200

A.0
B.1
C.10
D.20