G．iven that you have a class B IP address network range, which of the subnet masks below will allow for 100 subnets with 500 usable host addresses per subnet?

A．255.255.0.0

B．255.255.224.0

C．255.255.254.0

D．255.255.255.0

E．255.255.255.224

______________________, I would have given you his address.A. If you asked meB.

If I ____ your address, I would have visited you.A. knowB. knewC. have knownD. h

[单选题]You have a class C network, and you need to design it for 5 usable subnets with each subnet handling a minimum of 18 hosts each. Which of the following network masks should you use?A．225.225.224.0.B．225.225.240.0.C．225.225.255.0.D．255.255.255.224E．22

[单选题]-Have you got _____E-mail address?-Yes, mine is Li Ping @ yahoo.com.cn.A.th

[单选题]Old SGSN can get new SGSN’s IP address by communicating to （） when a MS requests inter_SGSN RA update.A . MSB . GGSNC . DNSD . HLR

[单选题]A．bout the following IP address ,Which is incorrect?A．202.115.258.11B．127.0.0.1C．202.115.199.199D．203.115.26.0

[单选题]The wrong IP address is _(73) ．(73)A．126.96.2.6B．190.256.38.8C．203.113.7.15D．203.226.1.68

[单选题]The wrong IP address is (73) ．(73)A．126.96.2.6B．190.256.38.8C．203.113.7.15D．203.226.1.68

[单选题]自动专用IP地址(Automatic Private IP Address，APIPA)是IANA(Internet AssignedNumbers Authority)保留的一个地址块，它的地址范围是( )。当( )时，使用APIPA。A．A类地址块10．254．0．0～10．254．255．255B．A类地址块100．254．0．0～100．254．255．255C．B类地址块168．254．0．0～168．254．255．255D．B类地址块169．254．0．0～169．254．255．

[单选题]When does a MS get IP address？（）A . After MS finishes GPRS attachB . After MS finishes PDP context activate procedureC . After MS requests RA updateD . After MS finishes Cell update