A new company has been given one public IP address. The company employs 200 users requiring Internet access from the headquarters.<br /> Which of the following can be implemented to provide Internet access for all the employees?（）<p> A new company has been given one public IP address. The company employs 200 users requiring Internet access from the headquarters.<br /> Which of the following can be implemented to provide Internet access for all the employees?（）</p>..

第1题

[单选题] A company has recently received a new ADSL backup Internet connection. Which of the followingwill MOST likely be used between the modem and the ISP?（）

A、PPPoE B、RAS C、IPSec D、MSCHAP

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第2题

[单选题] A company that makes Computer Assisted Design (CAD) software has, within its application, some utility classes that are used to perform 3D rendering tasks. The company's chief scientist has just improved the performance of one of the utility classes' key rendering algorithms, and has assigned a programmer to replace the old algorithm with the new algorithm. When the programmer begins researching the utility classes, she is happy to discover that the algorithm to be replaced exists in only one class. The programmer reviews that class's API, and replaces the old algorithm with the new algorithm, being careful that her changes adhere strictly to the class's API. Once testing has begun, the programmer discovers that other classes that use the class she changed are no longer working properly. What design flaw is most likely the cause of these new bugs?（）

A、Inheritance B、Tight coupling C、Low cohesion D、High cohesion E、Loose coupling F、Object immutability

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第3题

[单选题] The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch.What must be done to ensure that this new switch becomes the root bridge on the network?（）

A、One router is running RIPv1. B、RIP neighbor is 224.0.0.9. C、The network contains a loop. D、Network 10.10.1.0 is reachable.

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第4题

[单选题] The company should establish procedures to ensure that（）related to safety and protection of the environment are given proper familiarization with their duties.Instructions which are essential to be provided prior to sailing should be identified,documented and given.

A、New personnel B、Personnel transferred to new assignments C、All crewmembers D、New personnel and Personnel transferred to new assignments

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第5题

[单选题] A medium-sized company has a Class C IP address. It has two Cisco routers and one non-Cisco router. All three routers are using RIP version 1. The company network is using the block of 198.133.219.0/24. The company has decided it would be a good idea to split the network into three smaller subnets and create the option of conserving addresses with VLSM. What is the best course of action if the company wants to have 40 hosts in each of the three subnets?（）

A、Convert all the routers to EIGRP and use 198.133.219.32/27, 198.133.219.64/27, and 198.133.219.92/27 as the new subnetworks. B、Maintain the use of RIP version 1 and use 198.133.219.32/27, 198.133.219.64/27, and 133.219.92/27 as the new subnetworks. C、Convert all the routers to EIGRP and use 198.133.219.64/26, 198.133.219.128/26, and 133.219.192/26 as the new subnetworks. D、Convert all the routers to RIP version 2 and use 198.133.219.64/26, 198.133.219.128/26, and 133.219.192/26 as the new subnetworks. E、Convert all the routers to OSPF and use 198.133.219.16/28, 198.133.219.32/28, and 198.133.219.48/28 as the new subnetworks. F、Convert all the routers to static routes and use 198.133.219.16/28, 198.133.219.32/28, and

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第6题

[多选题] A company has a business application that provides its users with many different reports: receivables reports, payables reports, revenue projects, and so on. The company has just purchased some new, state-of-the-art, wireless printers, and a programmer has been assigned the task of enhancing all of the reports to use not only the company's old printers, but the new wireless printers as well. When the programmer starts looking into the application, the programmer discovers that because of the design of the application, it is necessary to make changes to each report to support the new printers. Which two design concepts most likely explain this situation?（）

A、Inheritance B、Low cohesion C、Tight coupling D、High cohesion E、Loose coupling F、Object immutability

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第7题

[单选题] our company has a DNS server named server1. Your partner company has a DNS server named server2. You create a stub zone on server1. The master for the stub zone is server2. Serve2 fails. You discover that users are not able to resolve named for the partner company. You need to ensure that users are able to resolve named for the partner company in the event that server2 fails. What should you do?（）

A、Change the stub zone to a secondary zone on server1. B、Open the SOA record for the zone on server2. Change the minimum (default ) TTL setting to 12 hours. C、Open the DNS zone for the partner company on server2. Create a new route through (RT) record and a new host (A) record for server1. D、Open the primary DNS zone on server2. Create a new service locator (SRV) record and a new host (A) record for server1.

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第8题

[单选题] Company.com has employed you as their Exchange administrator.The Company.com network contains Mailbox servers that are configured to run either Exchange Server 2007 or Exchange Server 2010.During the course of the week you receive an instruction from the CIO to ensure that all e-mail messages stored for more than 90 days in the Inbox folder of clients be deleted. What should you do？（）

A、Your best option would be to create a new retention policy. B、Your best option would be to create a new message classification. C、Your best option would be to create new managed content settings. D、Your best option would be to create a new managed custom folder.

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第9题

[] A technician has lost a necessary jumper for a new hard drive that must be installed immediately.Which of the following is the BEST solution?（）

A、A. Use a jumper from the motherboard where the new drive is going to be installed. B、B. Use a jumper from a hard drive that is no longer functioning. C、C. Contact the manufacturer of the new hard drive and have a replacement jumper shipped immediately. D、D. The new hard drive must be replaced

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