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No passwords
QUESTION 1:
You work as the network administrator at Certkiller .com. The Certkiller .com
network consists of a single Active Directory domain named Certkiller .com. All
servers on the Certkiller .com network run Windows Server 2003. Half the client
computers run Windows 2000 Professional, and the rest run Windows XP
Professional.
The CIO of Certkiller .com has asked you to implement an e-commerce Web site.
The Certkiller .com network is separated from the organization’s primary
production network by a firewall, to prevent outside traffic infiltrating the private
network. The CIO wants the Web site to be available 24/7and it must support up to
500 users at a time. The CIO then acquires an ASP.NET Web application. The state
information for the user’s session will be stored in cookies.
When you test the Web application in the Certkiller .com lab you observe the
following:
If 100 users connect the application uses 40% of the processing resources, 30% of
the available RAM and 20% of the available bandwidth. All the computers in
Certkiller .com have the same spec as the one used in the lab.
When you apply the Web application to the environment, the performance baseline
requires it to support 500 users with at least 70% usage of any resources. The Web
application uses a third-party Web service to process and send orders to the data
store. The Web service license restrictions allow for four Web servers to installed,
on the application.
What is the minimum requirement for the availability and the performance?
A. Clustering services are needed with a two dual-processors system and two network
adapters which is clustered.
B. Clustering services are needed with a system with three single-processors and two
network adapters which is clustered.
C. Network Load Balancing is needed with a system with four single-processors and one
network adapters which is clustered.
D. Network Load Balancing is needed with a system with five single-processors and one
network adapters which is clustered.
Answer: D
Explanation: Web applications do not require fault tolerance. Web applications do
not rely on shared files. With regard to the scenario, the utilization of the computer
in the lab is 100 users connect = to 40% processing resources, 30% of the available
RAM and 20% of the available bandwidth. The requirements ask for 70% usage.
Actualtest.org – The Power of Knowing
On the lab computer 40% = 100 users then 200% will equal 500 users. If you divide
the 200 with 70, you will get the number of processors. You do need two network
adapters to handle host-host communication.
Incorrect answers:
A: Two dual-processor computers will not work. With the 500 users it will have 100%
utilization.
B: Three dual-processor computers will not work. With the 500 users it will have 100%
utilization.
C: If you use a system with five single-processors and one network adapters which is
clustered using Network Load Balancing, it will work, however it will violate the license
restrictions.
QUESTION 2:
You work as the network administrator at Certkiller .com. The Certkiller .com
network consists of a single Active Directory domain named Certkiller .com. All
servers on the Certkiller .com network run Windows Server 2000. Half the client
computers run Windows 2000 Professional, and the rest run Windows XP
Professional.
The Certkiller .com network contains a Domain Name System (DNS) named
Certkiller -SR20 and two Web servers named Certkiller -SR21 and
Certkiller -SR22. Certkiller -SR20 is used to resolve querying for name
resolution across the Internet and Certkiller -SR21 and Certkiller -SR22 are
hosting public Web sites.
During routine monitoring you discover that Certkiller -SR21′s performance is
poor when replying with remote client requests. You then deploy a type of
clustering designed for stateless applications for the Web servers, in which each
node has a duplicate copy of the server data and incoming client requests are
distributed among the cluster nodes. You then upgrade the Web servers to Windows
Server 2003 with two network adapters which are configured to operate in unicast
mode.
You have received instructions to configure clustering and TCP/IP properties for
Certkiller -SR21 and Certkiller -SR22 to better their performance for the
remote clients. Your package must support the current access requirements and
should be scalable to allow you to add more Web servers in the future. You need to
configure the Web servers.
What should you do? (Select two)
A. Apply Network Load Balancing to the two adapters.
B. Apply Network Load Balancing to one adapter and specify it as a cluster adapter.
C. Specify one adapter as the cluster adapter and both as management adapters.
D. Specify one adapter as the cluster adapter and the other as the management adapter.
E. Apply Network Load Balancing to one adapter specify it as a management adapter.
Answer: B, D
Actualtest.org – The Power of Knowing
Explanation: When you are busy with NLB clustering, you need to configure the
two Web servers with two network adapter each. The one adapter should be
configured as the cluster adapter.
Incorrect answers:
A, C: You can configure the network adapter to handle dual duty to both the cluster and
the management adapter. However, this will require that you should run in multi mode.
E: You do not bind NLB to the management adapter.
QUESTION 3:
You work as the network administrator at Certkiller .com. The Certkiller .com
network consists of a single Active Directory domain named Certkiller .com. All
servers on the Certkiller .com network run Windows Server 2003. Half the client
computers run Windows 2000 Professional, and the rest run Windows XP
Professional.
The network contains a File Transfer Protocol (FTP) server named
Certkiller -SR30. The Certkiller .com network contains two domain controllers
named Certkiller -DC01 and Certkiller -DC02. The domain controllers are
hosting an Active Directory DNS zone. Certkiller .com also contains a client
computer named Certkiller -WS100 and a few client computers that are configure
as file and print servers.
Certkiller .com consists of a Research and Development department which
manufactures in-house applications, patches and updates. The Certkiller .com
customers purchase their products on CD or download it from Certkiller -SR30.
This server also hosts free demonstrations of the goods they sell. The patches and
updates are only available through downloading.
One morning the Web client’s complain that they are not satisfied with the response
and download times. During the investigation you find out that Certkiller -SR30
cannot provide optimal support for clients that download the products. Due to the
prosperity of the company, you know that the needs of the client will increase. You
confirm that the network has sufficient bandwidth to meet the growing clientele.
To meet the demands you deploy another FTP server named Certkiller -SR31 in
Certkiller .com’s network and copy all the data from Certkiller -SR30. You need to
configure Certkiller -SR30 and Certkiller -SR31 to provide clients with reliable
and speedy access to the two FTP servers. You also need to coordinate the FTP
servers from client traffic.
What should you do? (Select all that apply)
A. Specify Certkiller -SR30 and Certkiller -SR31 as a two-node single-quorum
device cluster in an active/passive configuration.
B. Specify multiple network adapters in unicast mode on Certkiller -SR30 and
Certkiller -SR31.
C. Specify Certkiller -SR30 and Certkiller -SR31 to use Network Load Balancing.
D. Specify a single network adapter in multicast mode on Certkiller -SR30 and
Actualtest.org – The Power of Knowing
Certkiller -SR31.
Answer: B, C
Explanation: The description of the network of Certkiller .com is a NLB cluster. A
NLB cluster provides high availability and reliability.
Incorrect answers:
A: An active/passive setting is not good because only one server in active at a time. It
will not do well to the traffic flow.
D: This will allow the clients and NLB traffic to use separate network adapters. We
cannot mix unicast and multicast on a single NLB cluster.
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