Question

22. When you attempt to update a Web page and data is received by your system, how can this be determined by an email the is received by a software such as Outlook? A. The system used the trailer of the packet with the number assignment. B. A combination of the IP address and the computer name is used. C. The service of DNS is used to apportion the correct information. D. Port numbers are used 23. Which of the following is not considered a factor that would cause delay on a VoIP system? A. How many routers are in the path B. The IP address of the destination system C. How efficient the codec is D. The very processing of the various packets traveling the line E. A level of potential congestion 24. You decide to make a phone call to one of your best friends who is currently traveling to Tokyo. You dial the phone but get a busy signal. After three attempts, your friend finally picks up the phone and she starts to recount all the exciting things she is experiencing, including the yummy foods she has been tasting during her trip. Which of the following are your using--for certain? A. SIP B. PBX C. SS7 D. H.323 25. Which of the following is considered a newer implementation in the VoIP environment? A. SIP B. TCP C. UDP D. H.323

Answer 1

Question 22:

Option (C) is the correct answer.

When you attempt to update a Web page and data is received by your system, this can be determined by an email that is received by a software such as Outlook as the service of DNS is used to apportion the correct information.

Option (A) is incorrect as the system does not use the trailer of the packet with the number assignment.

Option (B) is incorrect as a combination of the IP address and the computer name is not used in this case.

Option (D) is incorrect as the port number can be changed.

Question 23:

Option (E) is the correct answer.

Level of potential congestion can't cause delay on a VoIP system.

The following factors can cause delay on a VoIP system:

(i) How many routers are in the path.

(ii) The IP address of the destination system.

(iii) How efficient the codec is.

(iv) The very processing of the various packets traveling the line.

So, we can say the first four given options are incorrect as they are true.

Question 24:

Option (D) is the correct answer.

Among the given options, H.323 will certainly be used as in the given scenario, VoIP is being used.

Option (A) is incorrect as SIP may or may not be used.

Option (B) is incorrect as PBX may or may not be used.

Option (C) is incorrect as SS7 may or may not be used.

Question 25:

Option (D) is the correct answer.

Among the given options, H.323 is considered as a newer implementation in the VoIP environment.

Option (A) is incorrect as both SIP and H.323 are almost in the market for 24 years, but H.323 is slightly newer.

Option (B) is incorrect as TCP implementation in the VoIP environment is not possible.

Option (C) is incorrect as UDP implementation in the VoIP environment is not possible.

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