单选题An ISP has assigned prefix 3000:1234:5678::/48 to Company1. Which of the following terms would typically be used to describe this type of public IPv6 prefix?（）A Subnet prefixB ISP prefixC Global routing prefixD Registry prefix

题目

单选题

An ISP has assigned prefix 3000:1234:5678::/48 to Company1. Which of the following terms would typically be used to describe this type of public IPv6 prefix?（）

Subnet prefix

ISP prefix

Global routing prefix

Registry prefix

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相似问题和答案

第1题：

设中断向量表18CH～18FH单元中，依次存放着12H、34H、56H、78H，则中断服务程序的入口地址(段基址：偏移地址)为()

A、1234H：5678H

B、3412H：7856H

C、5678H：1234H

D、7856H：3412H

参考答案：D

第2题：

Your ISP has assigned you the following IP address and subnet mask:

IP address: 199.141.27.0

Subnet mask: 255.255.255.240

Which of the following addresses can be allocated to hosts on the resulting subnet?

(Select all that apply)

A. 199.141.27.2

B. 199.141.27.175

C. 199.141.27.13

D. 199.141.27.11

E. 199.141.27.208

F. 199.141.27.112

正确答案：ACD
A,C,D 解析：Explanation:
IP address = 11001000.10001101.00011011.00000000 = 199.141.27.0
Subnet mask = 11111111.11111111.11111111.11110000 = 255.255.255.240
Subnet # = 11001000.10001101.00011011.00000000 = 199.141.27.0
Broadcast = 11001000.10001101.00011011.00001111 = 199.141.27.15
The valid IP address range = 199.141.27.1 - 199.141.27.14

第3题：

R8139M182326机型5G通道是哪组?( )

A、通道1234

B、通道3456

C、通道5678

参考答案：B

第4题：

Which of the following answers lists a multicast IPv6 address?()

A. 2000::1:1234:5678:9ABC

B. FD80::1:1234:5678:9ABC

C. FE80::1:1234:5678:9ABC

D. FF80::1:1234:5678:9ABC

参考答案：D

第5题：

假设数据段有定义DST DW 1234H，5678H，则执行LES DI，DWORD PTR DST 指令后 (DI)=( )。

A．5678H

B．3412H

C．1234H

D．7856H

正确答案：C

第6题：

假设DST DW 1234H，5678H，执行LES DI，DWORD PTR DST 指令后，(D1)= ( )。

A．5678H

B．3212H

C．1234H

D．7856

正确答案：C

第7题：

试回答：设执行前SP=2000H，执行后SP=( ) A DW 1234H B DW 5678H ： PUSH A PUSH B POP A POP B

A．1000H

B．2000H

C．3000H

D．4000H

正确答案：B
解析：当执行PUSH操作时，SP的值减2，而当执行POP操作时SP的值又会自动加2，所以在本题中，执行两次PUSH，SP＝SP-4，而后又执行两次POP指令，所以SP＝SP+4。即还是等于2000H。

第8题：

Intel 8086的当前CS=1234H，IP=5678H，则将执行20位物理地址【】处的程序。

正确答案：179B8H
179B8H 解析：物理地址=段地址*16D(或10H)十偏移地址=12340H+5678H=179B8H。

第9题：

假设数据段有定义DST DW l234H，5678H，则执行LES DI，DWORD PTR DST指令后(DI)=( )。

A．5678H

B．3412H

C．1234H

D．7856H

正确答案：C

第10题：

An ISP has assigned prefix 3000:1234:5678::／48 to Company1. Which of the following terms would typically be used to describe this type of public IPv6 prefix?()

A. Subnet prefix

B. ISP prefix

C. Global routing prefix

D. Registry prefix

参考答案：C

An ISP has assigned prefix 3000:1234:5678::/48 to Company1.

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