You are designing an IP addressing strategy for the Willow Bridge, Inc. network.
You need to take a decision as to which subnet mask you will use in the agencies.
What should you do?
A. You should use 255.248.0.0 on the agencies.
B. You should use 255.255.252.0 on the agencies.
C. You should use 255.255.248.0 on the agencies.
D. You should use 255.255.255.128 on the agencies.
E. You should use 255.255.240.0 on the agencies.
F. You should use 255.255.192.0 on the agencies.
G. You should use 255.255.128.0 on the agencies.
Answer: D
Explanation: A subnet mask is the leftmost bits in an IP address that are used for
network identification.350-001 The remaining rightmost bits of an IP address are used for
identification of hosts on the network.640-802 To be able to determine the correct subnet mask
for a network, you need to take into account the number of network devices on the
network.VCP-310 Since there are between 5 - 90 users in the agencies, you should provide for
between 5 - 90 IP addresses, therefore you should use the 7 bit mask 255.255.255.128
subnet mask. Under this mask, 7bits are reserves for host IDs, which allows for 126 host
IDs, which would be sufficient in this scenario for any of the agencies.
Incorrect answers:
A: This 255.248.0.0 subnet mask would be excessive as it allows for over a half million
host IDs.
B:
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This subnet mask would work for the Los Angeles office or even the Chicago office,
under the 255.255.252.0 subnet mask, 10 bits are reserved for host IDs, which allows for
1,022 host IDs. This would be ideal for the Los Angeles or Chicago offices.
C: 255.255.248.0 allows for 2,046 Host IDs. This is excessive for the branch offices but
insufficient for the New York office.
E: Under the 255.255.240.0 subnet mask, 12 bits are reserves for host IDs, which allows
for 4,094 host IDs, which would be sufficient for the New York office.
F: 255.255.192.0 allows for over 16,000 host IDs which is way too excessive for any of
the Willow Bridge, Inc. offices or agencies.
G: 255.255.128.0 allows for 32,000 host IDs which is way too excessive for any of the
Willow Bridge, Inc. offices or agencies,
Reference:
Microsoft Windows Server 2003 Deployment Kit: Deploying network services -
designing a TCP/IP Network.
Thursday, June 26, 2008
Thursday, June 12, 2008
Intel Certification
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The Intel Software Certification Program is designed specifically to help developers validate their existing knowledge, as well as build skills necessary to develop applications on Intel Multi-Core processors.
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The Intel Software Certification Program draws on Intel's leadership and engineering expertise in multi-core technology to help developers learn and validate skills required to architect, develop and debug software for the new generation of multi-core platforms.
Intel Certified Software Professional: This certification is created for senior software developers, responsible for creating code that must both be scalable and take advantage of the many performance features of multi-core platforms.
Why become an Intel Certified Software Professional?
The arrival of multi-core processor architecture impacts—and will continue to impact—the way you build applications and solutions.Intel Certification The full potential of multi-core based systems, to deliver greater performance and expanded usages, is unleashed when software is designed to take advantage of the underlying machine’s full capabilities.Intel braindumps It is hence crucial for developers to learn how to architect, develop and debug the next generation of software for modern, multi-core platforms.
The Intel Software Certification Program is designed specifically to help developers validate their existing knowledge, as well as build skills necessary to develop applications on Intel Multi-Core processors.
Most of those who have earned one or more Intel certifications have done so through self-study, mainly because of the cuts in IT training budgets in recent years. Intel training With that in mind, Certifyme has developed affordable study materials that will help you pass your certification exams quickly and easily, the first time.
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