How many subnets are possible in an enterprise that has just been assigned an IPv6 prefix by itsISP?（）A、65536B、256C、1024D、16777216

Ezonexam has a Class C network and you need ten subnets. You wish to have as many addresses available for hosts as possible. Which one of the following subnet masks should you use?

A．255.255.255.192

B．255.255.255.224

C．255.255.255.240

D．255.255.255.248

E．None of the above

A. Subnet prefix

B. ISP prefix

C. Global routing prefix

D. Registry prefix

A.repetition

B.substitution

C.single word prompts

D.picture prompts

The network 172.25.0.0 has been divided into eight equal subnets. Which of the following IP addresses can be assigned to hosts in the third subnet if the ip subnet-zero command is configured on the router?（）

A.172.25.78.243

B.172.25.98.16

C.172.25.72.0

D.172.25.94.255

E.172.25.96.17

F.172.25.100.16

You are the network administrator at TestKing. TestKing has been assigned the class C IP address 189.66.1.0 by its Internet Service Provider. If you divide the network range by using the 255.255.255.224 subnet mask, how many hosts can be supported on each network?（）

A.14

B.16

C.30

D.32

E.62

F.64

A. Metric

B. Administrative distance

C. Timeout (seconds)

D. Prefix length

E. Interface ID

TestKing.com has allocated the IP add 199.144.27.0 is its network, to provide flexibility for the LAN design, a subnet mask of 255.255.255.240 has been chosen. Which of the following address can be assigned to LAN on the resulting subnets.（）

A. 199.141.27.33

B. 199.141.27.112

C. 199.141.27.119

D. 199.141.27.126

E. 199.141.27.175

F. 199.141.27.208

A.1

B.2

C.3

D.4

A. 8 subnets, 31 hosts

B. 8 subnets, 32 hosts

C. 16 subnets, 30 hosts

D. 16 subnets, 32 hosts

E. A Class B address can‘t be subnetted into the fourth octet.

How many life buoys has your ship been exactly________.

A.produced by

B.met with

C.offered of

D.provided with