Certification Questions

Q:

What is frame tagging?

Answer

Frame identification (frame tagging) uniquely assigns a user-defined ID to each frame. This is sometimes reffered to as a VLAN ID or color.

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Subject: CCNA

0 3226
Q:

An administrator issues the command

A. The PC host PC1 has connectivity with a local host
B. The PC host PC1 has connectivity with a Layer 3 device
C. The PC host PC1 has a default gateway correctly configured
D. The PC host PC1 has connectivity up to Layer 5 of the OSI model
E. The PC host PC1 has the TCP/IP protocol stack correctly installed

Answer

Answer : E


Explanation:


The “ping 127.0.0.1″ command is used to troubleshoot the local network card and the TCP/IP stack to make sure is working correctly. If an ICMP echo reply is received, that shows there are connectivity to a particular host in the network.


 

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Subject: CCNA

0 3222
Q:

Management by projects views aspects of ongoing operations as projects in order to apply Project Management techniques to them. This can be used to describe an oranizational approach to the management of ongoing operations. Why would a company want to utilize this methodology on nonprojects?

A) To keep project managers employed B) To provide better estimates about durations
C) To allow the utilization of PM tools, such as earned value, to calculate ROI D) To specify the different phases within the operations
 
Answer & Explanation Answer: C) To allow the utilization of PM tools, such as earned value, to calculate ROI

Explanation:

Answer A is incorrect because project managers are not effectively utilized if they are always scheduling and coordinating resources for daily operations. Answer B is incorrect because project managers are not the best resource for providing estimates on daily operations and time allocations;people doing the actual work are the best resources. Answer D is incorrect because you do not specify different phases of ongoing operations.

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Filed Under: PMP Certification

0 3215
Q:

What is the primary purpose of having multi-dimensional data models?

A. To deliver structured information that the business user can easily navigate by using any possible combination of business terms to show the KPIs.

B. To make it easier for developers to build applications, that will be helpful for the business users.

C. To make it easier to store data in the database and avoid redundancy.

D. All the above

Answer

Answer : A


 


Explanation :  The primary purpose of multi-dimensional modeling is to present the business users in a way that corresponds their normal understanding of their business. They also provide a basis for easy access of data which is OLAP engine.

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Subject: SAP BW

2 3212
Q:

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an
application. The application connects to a Microsoft SQL Server database. The application stores encrypted credit card numbers in the database. You need to ensure that credit card numbers can be extracted from the database.
Which cryptography provider should you use?

A) DSACryptoServiceProvider B) AESCryptoServiceProvider
C) MD5CryptoServiceProvider D) SHA1CryptoServiceProvider
 
Answer & Explanation Answer: B) AESCryptoServiceProvider

Explanation:
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0 3209
Q:

Which configuration command must be in effect to allow the use of 8 subnets if the Class C subnet mask is 255.255.25.224?

A) Router(config)#ip classless B) Router(config)#ip version 6
C) Router(config)#ip unnumbered D) Router(config)#ip subnet-zero
 
Answer & Explanation Answer: D) Router(config)#ip subnet-zero

Explanation:

A Class C subnet mask of 255.255.255.224 is 3 bits on and 5 bits off (11100000) and provides 8 subnets, each with 30 hosts. However, if the command ip subnet-zero is not used, then only 6 subnets would be available for use.

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Filed Under: CCNA

0 3208
Q:

What device must be on your wired network when running an enterprise EAP solution?

Answer

RADIUS Server

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Subject: CCNA

1 3175
Q:

What does a switch do when a frame is received on an interface and the destination hardware address is unknown or not in the filter table?

A) Forwards the switch to the first available link B) Drops the frame
C) Floods the network with the frame looking for the device D) Sends back a message to the originating station asking for a name resolution
 
Answer & Explanation Answer: C) Floods the network with the frame looking for the device

Explanation:

Switches flood all frames that have an unknown destination address. If a device answers the frame, the switch will update the MAC address table to reflect the location of the device. 

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Filed Under: CCNA

0 3158