Your ISP has assigned you the following IP address and subnet mask:IP address: 199.141.27.0Subnet mask: 255.255.255.240Which of the following addresses can be allocated to hosts on the resulting subnet?(Select all that apply)A. 199.141.27.2B. 199.141.27.1

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第3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?（）

• 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

第4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

第5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

第6题：

You are a systems administrator and you are about to assign static IP addresses to various servers on your network. For the network 192.168.20.24/29 the router is assigned to the first usable host address, while the last usable host address goes to your Sales server. Which one of the following commands would you enter into the IP properties box of 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

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 represetns network hosts

第8题：

Your company has recently deployed a server that runs Windows Server 2008. The server has the IP information shown below. IP address 192.168.46.186 Subnet mask： 255.255.255.192 Default gateway： 192.168.46.1 Users on remote subnets report that they are unable to connect to the server. You need to ensure all users are able to connect to the server. What should you do？ （）

• A、 Change the IP address to 192.168.46.129
• B、 Change the IP address to 192.168.46.200
• C、 Change the subnet mask to a 24-bit mask
• D、 Change the subnet mask to a 27-bit mask.

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Workstation A has been assigned an IP address of 192.0.2.24/28.Workstation B has been assigned an IP address of 192.0.2.100/28.The two workstations are connected with a straight-through cable.Attempts to ping between the hosts are unsuccessful. What two things can be done to allow communications between the hosts？ （）

• 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

第16题：

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

第17题：

Your company has recently deployed a server that runs windows server 2008. The server has the ip information shown below.Ip address 192.168.46.186Subnet mask: 255.255.255.192Default gateway: 192.168.46.1Users on remote subnets report that they are unable to connect to the server.You need to ensure all users are able to connect to the server.What should you do?（）

• A、Change the IP address to192.168.46.129
• B、Change the IPaddress to192.168.46.200
• C、Change thes ubnet mask to a 24-bitmask
• D、Change the subnet mask to a 27-bitmask.

第18题：

Workstation A has been assigned an IP address of 192.0.2.24/28. Workstation B has been assigned an IP address of 192.0.2.100/28. The two workstations are connected with a straight-through cable. Attempts to ping between the hosts are unsuccessful. What two things can be done to allow communications between the hosts? （）

• 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.

第19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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