SK0-003

单选题An administrator needs a network that can support up to 800 hosts on the same subnet. Which of the following is the MINIMUM subnet mask that should be used？（）A 255.0.0.0B 255.255.0.0C 255.255.252.0D 255.255.255.0

题目
单选题
An administrator needs a network that can support up to 800 hosts on the same subnet. Which of the following is the MINIMUM subnet mask that should be used？（）
A

255.0.0.0

B

255.255.0.0

C

255.255.252.0

D

255.255.255.0

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相似问题和答案

第1题：

Refer to the exhibit. Which subnet mask will place all hosts on Network B in the same subnet with the least amount of wasted addresses?()

A.255.255.255.0

B.255.255.254.0

C.255.255.252.0

D.255.255.248.0


参考答案：B

第2题：

A national retail chain needs to design an IP addressing scheme to support a nationwide network. The company needs a minimum of 300 sub-networks and a maximum of 50 host addresses per subnet. Working with only one Class B address, which of the following subnet masks will support an appropriate addressing scheme?（）

A.255.255.255.0

B.255.255.255.128

C.255.255.252.0

D.255.255.255.224

E.255.255.255.192

F.255.255.248.0


参考答案：B, E

第3题：

The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?()

A. The default administrative distance is used.

B. The command is used to establish a static route.

C. The command is used to configure the router interfaces.

D. The command is used to establish a stub network.

E. The subnet mask for the source address is 255.255.255.0


参考答案：A, B

第4题：

Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?（）

  • A、15.234.118.63
  • B、92.11.178.93
  • C、134.178.18.56
  • D、192.168.16.87
  • E、201.45.116.159
  • F、217.63.12.192

正确答案:B,C,D

第5题：

A national retail chain needs to design an IP addressing scheme to support a nationwide network. The company needs a minimum of 300 sub-networks and a maximum of 50 host addresses per subnet. Working with only one Class B address, which of the following subnet masks will support an appropriate addressing scheme?（）

  • A、255.255.255.0
  • B、255.255.255.128
  • C、255.255.252.0
  • D、255.255.255.224
  • E、255.255.255.192
  • F、255.255.248.0

正确答案:B,E

第6题：

Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?()

A.15.234.118.63

B.92.11.178.93

C.134.178.18.56

D.192.168.16.87

E.201.45.116.159

F.217.63.12.192


参考答案：B, C, D

第7题：

Which subnet mask would be appropriate for a network address range to be subnetted for up to eight LANs, with each LAN containing 5 to 26 hosts?()

A.0.0.0.240

B.255.255.255.252

C.255.255.255.0

D.255.255.255.224

E.255.255.255.240


参考答案：D

第8题：

An administrator must assign static IP addresses to the servers in a network.For network 192.168.20.24/29, the router is assigned the first usable host address while the sales server is given the last usable host address. Which of the following should be entered into the IP propertied box for the sales server?（）

A. IP address:192.168.20.14 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.9

B. IP address:192.168.20.254 Subnet Mask:255.255.255.0 Default Gateway:192.168.20.1

C. IP address:192.168.20.30 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.25

D. IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.17

E. IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.25


参考答案：C

第9题：

Your ISP assigned you a full class B address space. From this, you need at least 300 sub-networks that can support at least 50 hosts each. Which of the subnet masksbelow are capable of satisfying your needs?（）

  • A、255.255.255.0
  • B、255.255.255.128
  • C、255.255.252.0
  • D、255.255.255.224
  • E、255.255.255.192
  • F、255.255.248.0

正确答案:B,E

第10题：

A network administrator provides an IP address of 128.135.0.142 and a subnet mask of 255.0.0.0.  Once a ping is attempted， it fails.  Which of the following options is the most probable cause of the failed ping？（）

  • A、0 is not valid in an IP address
  • B、128 is a reserved network
  • C、The subnet mask should be 255.255.0.0. since it is a class B
  • D、A network problem has occurred since IP and subnet are valid

正确答案:C

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