The network 172.12.0.0 needs to be divided into subnets where each subnet has the capacity of 458 IP addresses.What would be the correct subnet mask to accomplish this division keeping the number of subnets at the maximum? （）A.255.255.254.0B.255.255.254.1

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第2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3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4题：

Your network uses the172.12.0.0 class B address. You need to support 459 hosts per subnet, while accommodating the maximum number of subnets. Which mask wouldyou use?（）

• A、255.255.0.0.
• B、255.255.128.0.
• C、255.255.224.0.
• D、255.255.254.0.

第5题：

A network administrator of a company has many branch locations each using a subnet mask of 255.255.255.224. Which of the following dynamic routing protocols should be used？（）

• A、IPv6
• B、RIP
• C、IGRP
• D、RIPv2

第6题：

Your company has a main office and 50 branch offices. Each office contains multiple subnets.     You need to automate the creation of Active Directory subnet objects.     What should you use（）

• A、the Dsadd tool
• B、the Netsh tool
• C、the New-ADObject cmdlet
• D、the New-Object cmdlet

第7题：

Company.com wishes to use IPAT via IP replacement in a two-node mutual cluster. Each node  has two Ethernet 10/100/1000 adapters. Throughout the planning session，the customer has asked questions about subnet and VLAN requirements for the intended network topology.  Which of the following best describes the network requirements？（）  

• A、 The service IP addresses must be on a separate subnet and VLAN.
• B、 The non-service and service IP addresses must be on the same subnet and on the same VLAN.
• C、 All interfaces on a node must be in different subnets. All subnets must be on the same VLAN. 
• D、 One non-service and one service IP address must be on the same logical subnet. All interfaces must be on the same VLAN.

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第14题：

The network 172.12.0.0 needs to be divided into subnets where each subnet has the capacity of 458 IP addresses.What would be the correct subnet mask to accomplish this division keeping the number of subnets at the maximum? （）

• A、255.255.254.0
• B、255.255.254.1
• C、255.255.254.2
• D、255.255.254.3

第15题：

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

第16题：

You have a class B network with a 255.255.255.0 mask. Which of the statements below are true of this network?（）

• A、There are 254 usable subnets.
• B、There are 256 usable hosts per subnet.
• C、There are 50 usable subnets.
• D、There are 254 usable hosts per subnet.
• E、There are 24 usable hosts per subnet.
• F、There is one usable network.

第17题：

When dividing an existing Class B network into 2 subnets of 32，766 hosts each， which of the following subnet masks should be used？（）

• A、128.0.0.0
• B、255.128.0.0
• C、255.254.0.0
• D、255.255.128.0

第18题：

You are a systems engineer for your company. Your company has 20，000 users in a large campus environment located in Los Angeles. Each department in the company is located in its own building. Each department has its own IT staff， which is responsible for all network administration within the building.   The company’s network is divided into several IP subnets that are connected to one another by using dedicated routers. Each building on the company’s main campus contains at least one subnet， and possibly up to five subnets. Each building has at least one router. All routers use RIP version 2 （RIPv2） broadcasts.   The company acquires a new business unit located in Denver. The Denver office has 25 users. The network in the Denver office is connected to the network at the main campus by using a leased frame relay connection. The network administrator at the Denver office installs a Windows Server 2003 computer and configures Routing and Remote Access on this server. The network administrator at the Denver office configures this server as a router and implements RIPv2 in Routing and Remote Access.   Later， the Denver administrator reports that his router is not receiving routing table updates from the routers on the main campus network. He must manually add routing entries to the routing table to enable connectivity between the locations. You investigate and discover that the RIPv2 broadcasts are not being received at the Denver office. You also discover that no routing table announcements from the Denver office are being received on the main campus network.  You need to ensure that the network in the Denver office can communicate with the main campus network and can send and receive automatic routing table updates as network conditions change.   What should you do on the router in the Denver office？（）

• A、 Configure the router to use RIPv1 broadcasts.
• B、 Configure the router to use auto-static update mode.
• C、 Add the IP address ranges of the main campus network to the router’s Accept list and Announce list.
• D、 Add the IP addresses of the main campus routers to the router’s Neighbors list.

第19题：

A class B network 129.35 has 10 subnets. Which of the following options is the correct subnet mask？（）

• A、255.255.128.0 （11111111.11111111.10000000.00000000）
• B、255.255.192.0 （11111111.11111111.11000000.00000000）
• C、255.255.224.0 （11111111.11111111.11100000.00000000）
• D、255.255.240.0 （11111111.11111111.11110000.00000000）

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