the network administrator has been asked to give reason……

多项选择题the network administrator has been asked to give reasons for moving from ipv4 to ipv6. what are two valid reasons for adopting ipv6 over ipv4?（）

A.telnet access does not require a password
B.nat
C.no broadcast
D.chanage of destination address in the ipv6 header
E.chanage of source address in the ipv6 header
F.autoconfiguration

多项选择题Which two statements describe characteristics of IPv6 unicast addressing?（）

A.Global addresses start with 2000::/3.
B.Link-local addresses start with FE00:/12.
C.Link-local addresses start with FF00::/10.
D.There is only one loopback address and it is ::1.
E.If a global address is assigned to an interface, then that is the only allowable address for the interface.

多项选择题Refer to the diagram. All hosts have connectivity with one another. Which statements describe the addressing scheme that is in use in the network? （）

A.The subnet mask in use is 255.255.255.192.
B.The subnet mask in use is 255.255.255.128.
C.The IP address 172.16.1.25 can be assigned to hosts in VLAN1
D.The IP address 172.16.1.205 can be assigned to hosts in VLAN1
E.The LAN interface of the router is configured with one IP address.
F.The LAN interface of the router is configured with multiple IP addresses.

单项选择题What is the alternative notation for the IPV6 address B514:82C3:0000:0000:0029:EC7A:0000:EC72?（）

A.B514：82C3：0029：：EC7A：0000：EC72
B.B514：82C3：0029：EC7A：EC72
C.B514：82C3：：0029：EC7A：0：EC72
D.B514：82C3：：0029：EC7A：EC72

多项选择题Which two benefits are provided by using a hierarchical addressing network addressing scheme? （）

A.reduces routing table entries
B.auto-negotiation of media rates
C.efficient utilization of MAC addresses
D.dedicated communications between devices
E.ease of management and troubleshooting