Addressing English guests in the forms like “Miss Mary” or “Brown”.

A . global unicast B . anycast C . multicast D . unspecified addre

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 trouble shooting

A . control flooding，control fire，repair structural damage B . restore vital services，control fire，control flooding C . control fire，restore vital services，control flooding D . control fire，control flooding，repair structural damage

A . 正确 B . 错误

A . Greeting：主动打招呼 B . Understand：了解客人需求 C . Eyes：目光接触交流 D . Smile：微笑 E . Thanks：道谢

A .  1 B .  25 C .  50 D .  255

A . statically map IPV4 address to IPV6 addresses B . configuration IPv4 tunnels between IPV6 islands C . use DHCPv6 to map IPV4 addresses to IPV6 addresses D . use proxying and translation to translate IPV6 packets into IPV4 packets E . configure IPV6 directly F . enable dual-stack routing

A . statically map IPV4 address to IPV6 addresses B . configuration IPv4 tunnels between IPV6 islands C . use DHCPv6 to map IPV4 addresses to IPV6 addresses D . use proxying and translation to translate IPV6 packets into IPV4 packets E . configure IPV6 directly F . enable dual-stack routing

A . control flooding，control fire，repair structural damage B . restore vital services，control fire，control flooding C . control fire，restore vital services，control flooding D . control fire，control flooding，repair structural damage

A . 1 B . 25 C . 50 D . 255

A . Internet Protocol address B . Media Access Control address C . Packet Layer Proto col address D . Network Service Access Point address E . Authority and Format Identifier addre

A . globally scoped address range B . 239.0.0.X or 239.128.0.X address range C . administratively scoped address range that does not overlap with a link-local MAC address D . any Class D address range E . site-local scoped address range

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.

A .  Use a static ip addresses based on incoming user policies. B .  Use DHCP to assign addresses based on incoming user policies. C .  Deploy a clientless model to assign a unique address to the user. D .  Deploy RADIUS or LDAP to assign the address to the user.

是 否

A．take flowers to the host B．send an expensive gift to the host C．have a sauna with the host D．present a business card