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[单选题]

The subnet mask on the serial interface of a router is expressed in binary as 11111000 for the last octet. How do you express the binary number 11111000 in decimal？（）

A.210

B. 224

C. 240

D. 248

E. 252

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更多“The subnet mask on the serial interface of a router is expressed in binary as 11111000 for the last …”相关的问题

第1题

How many subnets can be gained by subnetting 172.17.32.0/23 into a /27 mask, and how many usable host addresses will there be per subnet？（）

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.

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第2题

On which options are standard access lists based？（）

A.destination address and wildcard mask

B.source address and wildcard mask

C.destination address and subnet mask

D.source address and subnet mask

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第3题

Which of the following is an invalid subnet mask？（）

A.255.0.0.0

B.255.256.255.0

C.255.255.255.255

D.255.255.00

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第4题

RIPv1不能在路由选择刷新报文中携带子网掩码（subnet mask）信息

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第5题

Subnet mask is 255.255.255.128. How many NE addresses are available in each subnet？（)

A.64

B.126

C.124

D.62

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第6题

WorkstationAhasbeen assignedanIPaddressof192.0.2.24/28.WorkstationBhasbeenassignedanIPaddr

essof192.0.2.100/28.Thetwoworkstationsareconnectedwithastraight-throughcable.Attemptstopingbetweenthehostsareunsuccessful.Whattwothingscanbedonetoallowcommunicationsbetweenthehosts？（）

A.Replace the straight-through cable with a crossover cable

B.Change the subnet mask of the hosts to /25

C.Change the subnet mask of the hosts to /26

D.Change the address of Workstation A to 192.0.2.15

E.Change the address of Workstation B to 192.0.2.111

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第7题

Which two statements are true of a network mask？（）

A. A subnet mask specifies the portion of an IP address that is in a binary format.

B. A subnet mask specifies the portion of an IP address that is in a decimal format.

C. A subnet mask specifies the portion of an IP address that represents a network prefix.

D. A subnet mask specifies the portion of an IP address that represents network hosts.

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第8题

On which options are standard access list based？（）

A. source address and subnet mask

B. destination address and wildcard mask

C. source address and wildcard mask

D. destination address and subnet mask

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第9题

RIPv1不能在路由选择刷新报文中携带子网掩码（subnet mask）信息

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第10题

If IP address is 202.130.191.33 and subnet mask is 255.255.255.0, then subnet prefix is （

If IP address is 202.130.191.33 and subnet mask is 255.255.255.0, then subnet prefix is () .

A.202.130.0.0

B.202.0.0.0

C.202.130.191.33

D.202.130.191.0

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第11题

The network administrator is asked to configure 113 point-to-point links. Which IP address

ing scheme best defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses？（）

A.10.10.0.0/18 subnetted with mask 255.255.255.252

B.10.10.0.0/25 subnetted with mask 255.255.255.252

C.10.10.0.0/24 subnetted with mask 255.255.255.252

D.10.10.0.0/23 subnetted with mask 255.255.255.252

E.10.10.0.0/16 subnetted with mask 255.255.255.252

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