【多选题】DHCP relay又称为DHCP中继,下列关于DHCP relay的说法正确的是()。
A.
DHCP协议多采用广播报文,如果出现多个子网则无法穿越。所以需要DHCP relay设备
B.
DHCP relay一定是一台交换机或者路由器
D.
DHCP relay不改变报文内容,报文原样转发
【单选题】Use the following terms for this question:
A.
-M) = Current Account Balance
B.
I-CO) = Capital Account Balance
C.
I-FO) = Financial Account Balance
D.
-S) = Investment-Saving Balance
F.
P = balance of payments
G.
P = gross domestic product
I.
= capital investment spending
J.
= government spending K. e static equation for the BOP is: L. BOP = (X-M) - (CI-CO) - (FI-FO) + FXB
【简答题】在单缝的夫琅禾费衍射实验中,屏上第三级暗纹对应于单缝处波面可划分为 _______ 个半波带; 若将缝宽缩小一半,原来第三级暗纹处将是 ________ 纹
【单选题】Which of the following advice is NOT good for the old man?
B.
Smoke one cigar a day.
C.
Go to the country place for a month.
【单选题】Please choose the correct name for the following cloud.
【单选题】(29)下列关于DHCP服务器与DHCP客户机的交互过程中,错误的是
A.
DHCP客户机广播“DHCP发现”消息时使用的源IP地址是127.0.01
B.
DHCP服务器收到“DHCP发现”消息后,就向网络中广播“DHCP供给”信息
C.
DHCP客户机收到“DHCP供给”消息后向DHCP服务器请求提供IP地址
D.
DHCP服务器广播“DHCP确认”消息,将IP地址分配给DHCP客户机
【单选题】Which of the following is NOT mentioned as part of hotel facilities for guests?