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A network administrator is planning a network installation f

题目
单选题
A network administrator is planning a network installation for a large organization.The design requires 100 separate subnetworks,so the company has acquired a Class B network address.What subnet mask will provide the 100 subnetworks required, if 500 usable host addresses are required per subnet?（）
A

255.255.240.0

B

255.255.248.0

C

255.255.252.0

D

255.255.254.0

E

255.255.255.0

F

255.255.255.192

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相似问题和答案

第1题：

You are the network administrator at TestKing. TestKing has been assigned the class C IP address 189.66.1.0 by its Internet Service Provider. If you divide the network range by using the 255.255.255.224 subnet mask, how many hosts can be supported on each network?（）

A.14

B.16

C.30

D.32

E.62

F.64


参考答案：C

第2题：

The network administrator of the Oregon router adds the following command to the router configuration: ip route 192.168.12.0 255.255.255.0 172.16.12.1. What are the results of adding this command (Choose two.)（）。

A.The command establishes a static route.

B.The command invokes a dynamic routing protocol for 192.168.12.0.

C.Traffic for network 192.168.12.0 is forwarded to 172.16.12.1.

D.Traffic for all networks is forwarded to 172.16.12.1.

E.This route is automatically propagated throughout the entire network.

F.Trafficfor network 172.16.12.0 is forwarded to the 192.168.12.0 network.


参考答案：A, C

第3题：

An administrator has completed the installation of a new WLAN. Which of the following configuration management documents needs to be updated?()

A. Logical network diagram

B. History logs

C. Baseline configurations

D. Wiring schematics


参考答案：A

第4题：

Cisco IOS NetFlow gathers data that can be used in which three of these？ （）

  • A、 accounting
  • B、 authentication
  • C、 authorization
  • D、 network monitoring
  • E、 network planning

正确答案:A,D,E

第5题：

You are the network administrator at TestKing. TestKing has been assigned the class C IP address 189.66.1.0 by its Internet Service Provider. If you divide the network range by using the 255.255.255.224 subnet mask, how many hosts can be supported on each network?（）

  • A、14
  • B、16
  • C、30
  • D、32
  • E、62
  • F、64

正确答案:C

第6题：

The network technician is planning to use the 255.255.255.224 subent mask on the network.which three valid IP addresses can the technician use for the hosts?()

A.172.22.243.127

B.172.22.243.191

C.172.22.243.190

D.10.16.33.98

E.10.17.64.34

F.192.168.1.160


参考答案：C, D, E

第7题：

The TestKing network was assigned the Class C network 199.166.131.0 from the ISP. If the administrator at TestKing were to subnet this class C network using the 255.255.255.224 subnet mask, how may hosts will they be able to support on each subnet?（）

  • A、14
  • B、16
  • C、30
  • D、32
  • E、62
  • F、64

正确答案:C

第8题：

You are the network administrator for Ezonexam.com.

You are planning to install 10 new Windows 2000 Server computers. Ezonexam has a tight production schedule that requires no changes be made to the Active Directory except during scheduled outages. You schedule the installations during an upcoming network outage which will occur betweenmidnight and 8:00 A.M.

You want to complete the installations before production begins in the morning.

What should you do?

A．Perform. the installations by using four floppy disks create with the Makebt32.exe utility.

B．Perform. the installations by using four floppy disks create with the Makeboot.exe utility.

C．Perform. the installations by using the Windows 2000 Installation compact disc.

D．Perform. the installations by using the Windows 2000 Installation compact disc and a floppy disk containing a Winnt.sif file.


正确答案：D
解析：Explanation: We must use Setup Manager to create a winnt.sif. We must then copy this file to a floppy. Then start the installation process from the CD-ROM and insert the floppy disk. The installation process will be a fully automated unattended installation.

Incorrect answers:
A: Makebt32.exe is used to create four installation startup disks. This is not automated.

B: Makeboot.exe is used to make Windows 2000 setup floppy disks.

C: Performing the installation using the Windows 2000 Installation CD alone is not what is required in this instance.

第9题：

A network administrator is planning a network installation for a large organization.The design requires 100 separate subnetworks,so the company has acquired a Class B network address.What subnet mask will provide the 100 subnetworks required, if 500 usable host addresses are required per subnet?（）

  • A、255.255.240.0
  • B、255.255.248.0
  • C、255.255.252.0
  • D、255.255.254.0
  • E、255.255.255.0
  • F、255.255.255.192

正确答案:D

第10题：

A network administrator needs to configure port security on a switch.which two statements are true？（）

  • A、The network administrator can apply port security to dynamic access ports
  • B、The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.
  • C、The sticky learning feature allows the addition of dynamically learned addresses to the runningconfiguration.
  • D、The network administrator can apply port security to EtherChannels.
  • E、When dynamic mac address learning is enabled on an interface，the switch can learn new addresses，up to the maximum defined.

正确答案:C,E

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