- Transport
- Physical
- Presentation
- Data Link
- An alias for the computer name
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What will be the output of the following PHP code <php $name = "What is your name" if (preg_match("/name/"),$name) echo "My name is Will Pitt "; else echo "My name is not Will Pitt "; if (preg_match("/are/")) echo "I am great" else echo "I am not great"; >?
Answer: Option 3 The code uses preg_match to check for a keyword and replies based on whether it is true (1) or false (0).
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What layer of OSI determines the interface of the system with the user?
Answer: Option 3 Let'
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What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model?
Answer: Option 2 The four layers of the TCP/IP stack (also called the DoD model) are Application/Process, Host-to-Host, Internet, and Network Access. The Host-to-Host layer is equivalent to the Transport...
1 Answers 1 views
If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?
Answer: Option 3 Since the source MAC address is not in the MAC address table, the switch will add the source address and the port it is connected to into...
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Which layer of OSI determines the interface of the system with the user?
Answer: Option 2 Let'
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In OSI model, which of the following layer provides error-free delivery of data?
Answer: Option 3 Let'
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Which layer of international standard organization's OSI model is responsible for creating and recognizing frame boundaries?
Answer: Option 2 Let'
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The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?
Answer: Option 3 The four layers of the DoD model are Application/Process, Host-to-Host, Internet, and Network Access. The Internet layer is equivalent to the Network layer of the OSI model.
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Which layer handles the top-level communication?
Answer: Option 4 The Application layer handles the top-level communication that the client and servers use, like HTTP and SMTP for email clients.
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Which of the following are true regarding ionosphere I. It is the uppermost layer of atmosphere II. The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become ionized III. This layer is responsible for reflecting back the radio wave transmitted from the earth?
Answer: Option 3 The following that are true regarding ionosphere are The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become...
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