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In the context of computer networks, what does the 'ping' command primarily do?
- a)It establishes a secure connection to a remote server.
- b)It tests the reachability of a host on an IP network and measures the round-trip time for messages sent from the originating host to a destination computer.
- c)It monitors network traffic and detects intrusions.
- d)It transfers files between computers on a network.
Correct answer is option 'B'. Can you explain this answer?
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In the context of computer networks, what does the 'ping' command prim...
The 'ping' command tests the reachability of a host on an IP network and measures the round-trip time for messages sent from the originating host to a destination computer. It is a diagnostic tool to ensure that a networked device is available and functioning.
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In the context of computer networks, what does the 'ping' command prim...
Understanding the 'ping' Command
The 'ping' command is a fundamental tool in computer networking, widely used for troubleshooting and network management. Below is a detailed explanation of its primary function.
Purpose of 'ping'
- The primary purpose of the 'ping' command is to test the reachability of a host on an IP network.
- It sends Internet Control Message Protocol (ICMP) Echo Request messages to the target host and waits for a response.
How 'ping' Works
- When a user executes the 'ping' command, the following occurs:
- A small packet of data is sent to the specified IP address.
- The recipient host receives this packet and sends back an Echo Reply.
- The time taken for the round trip (sending and receiving the packet) is measured and reported.
Key Features of 'ping'
- Reachability: Determines if a device is online and accessible in the network.
- Round-Trip Time: Measures the latency or delay in communication between the source and destination.
- Packet Loss: Helps identify if packets are being lost during transmission, which can indicate network issues.
Common Uses of 'ping'
- Network Troubleshooting: Diagnosing connectivity problems between devices.
- Performance Monitoring: Assessing network performance by measuring response times.
- System Check: Ensuring that a server or device is operational.
In summary, the 'ping' command is essential for network diagnostics, enabling users to quickly check connectivity and performance between devices in an IP network.
The 'ping' command is a fundamental tool in computer networking, widely used for troubleshooting and network management. Below is a detailed explanation of its primary function.
Purpose of 'ping'
- The primary purpose of the 'ping' command is to test the reachability of a host on an IP network.
- It sends Internet Control Message Protocol (ICMP) Echo Request messages to the target host and waits for a response.
How 'ping' Works
- When a user executes the 'ping' command, the following occurs:
- A small packet of data is sent to the specified IP address.
- The recipient host receives this packet and sends back an Echo Reply.
- The time taken for the round trip (sending and receiving the packet) is measured and reported.
Key Features of 'ping'
- Reachability: Determines if a device is online and accessible in the network.
- Round-Trip Time: Measures the latency or delay in communication between the source and destination.
- Packet Loss: Helps identify if packets are being lost during transmission, which can indicate network issues.
Common Uses of 'ping'
- Network Troubleshooting: Diagnosing connectivity problems between devices.
- Performance Monitoring: Assessing network performance by measuring response times.
- System Check: Ensuring that a server or device is operational.
In summary, the 'ping' command is essential for network diagnostics, enabling users to quickly check connectivity and performance between devices in an IP network.
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In the context of computer networks, what does the 'ping' command primarily do?a)It establishes a secure connection to a remote server.b)It tests the reachability of a host on an IP network and measures the round-trip time for messages sent from the originating host to a destination computer.c)It monitors network traffic and detects intrusions.d)It transfers files between computers on a network.Correct answer is option 'B'. Can you explain this answer?
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