单选题You must segement your internal 192.168.1.0/24 network into a minimun of 12 subnet, each containing a minimun of 12 hosts. Which network mask do you use?（）A /26B /27C /28D /29

第1题：

第2题：

You have a class C network, and you need to design it for 5 usable subnets with each subnet handling a minimum of 18 hosts each. Which of the following network masks should you use?（）

• A、225.225.224.0.
• B、225.225.240.0.
• C、225.225.255.0.
• D、255.255.255.224
• E、225.225.255.240

第3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4题：

You must segement your internal 192.168.1.0/24 network into a minimun of 12 subnet, each containing a minimun of 12 hosts. Which network mask do you use?（）

• A、/26
• B、/27
• C、/28
• D、/29

第5题：

You must segment your internal /24 network into a minimum of 12 subnets, each containing a minimum of 12 hosts.Which network mask do you use?（）

• A、/26
• B、/27
• C、/28
• D、/29

第6题：

Your routed TCP/IP network consists of 10 Windows 2000 Server computers and 75 Windows 2000 Professional computers. Your network uses TCP/IP as the only network protocol. You are installing 10 new Windows 2000 Professional computers. You want to enable the new computers to use NetBIOS names to connect to all shared resources as the network. You configure a TCP/IP address and a subnet mask on each new computer. Which 2 additional TCP/IP properties should you configure on each new computer？（）

• A、The bindings.
• B、A DNS address.
• C、A Gateway address.
• D、A WINS server address.
• E、A DHCP server address.

第7题：

You work as the IT professional in an international company which is named wiikigo. You are experienced in implementing and administering a network operating system. You are specialized in configuring IP addressing and services. Configuring name resolution and network access and so on.Your company is desigiing its network. The network will use an IPv6 prefix of 2001:DB8: BBCC:0000::/53. You have to identify an IPv6 addressing scheme that will support 2000 subnets. Which network mask should you use?（）

• A、You should use /63.
• B、You should use /64.
• C、You should use /61.
• D、You should use /62.

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第13题：

You work as network consultant. Your customer, TestKing Inc, has a class C network license. TestKing wants you to subnet the network to provide a separate subnet for each of its 5 departments. Each subnet must support at least 24 hosts. Which network mask should you use?（）

• A、255.255.255.192
• B、255.255.255.224
• C、255.255.255.240
• D、255.255.255.248
• E、255.255.255.252
• F、255.255.255.254

第14题：

Router R1 needs to be configured to advertise a specific network. Which of the followingcommands would you use if you wanted to advertise the subnet 154.2.1.0 255.255.255.0 to the EBGP neighbors on your subnet？（）

• A、Router （config-router）#network 154.2.1.0
• B、outer （config-router）#network 164.2.1.0
• C、Router （config-router）#network-advertise 154.2.1.0
• D、Router （config-router）#network 154.2.1.0 mask 255.255.255.0
• E、None of the other alternatives apply

第15题：

A new subnet with 12 hosts has been added to the network. Which subnet address should this network use to provide enough useable addresses while wasting the fewest addresses（）。

• A、192.168.10.80/28
• B、192.168.10.80/29
• C、192.168.10.96/28
• D、192.168.10.96/29

第16题：

You must segment your internal /24 network into a minimum of 12 subnets, each containing a minimum of 12 hosts. Which network mask do you use?（）

• A、/26
• B、/27
• C、/28
• D、/29

第17题：

You are the network administrator for Company.  Your network consists of one Windows NT Server 4.0 domain and 35 Windows 2000 Professional computers. The network consists of five interconnected TCP/IP subnets. All of the computers use TCP/IP as the only network protocol. You are adding 15 Windows 2000 Professional computers  to the network.   You configure each of the new computers to use DHCP. The computers can communicate with each other but are unable to communicate outside their own subnet.    You run the ipconfig command to examine the UP address on one of the new computers. The IP address is 169.254.101.72   You want to enable the Windows 2000 Professional computers to communicate outside their own subnet.   What should you do?（）

• A、Install a DHCP server.
• B、Install a WINS server. Configure each computer to use WINS.
• C、Create an Lmhost file on each computer.
• D、Create a Hosts file on each computer.

第18题：

You work as a network administrator at ABC.com. The ABC.com network consists of a single domain named ABC.com. All servers on the ABC.com network have Windows Server 2012 R2 installed.The network as a server named ABC_SR05 that provides DHCP services.  You need to create a new IPv4 subnet on the network. The subnet must support a maximum of 5，000 hosts and must have a few unused addresses as possible.  How would you configure DHCP to support this subnet？（）

• A、You should use a subnet mask of 255.255.255.0.
• B、You should use a subnet mask of 255.255.248.0
• C、You should use a subnet mask of 255.255.240.0.
• D、You should use a subnet mask of 255.255.224.0
• E、You should use a subnet mask of 255.255.128.0
• F、You should use a subnet mask of 255.255.0.0

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