Huawei Networking Devices and Servers Overview
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Questions and Answers

Which protocol provides Internet email services?

  • Telnet
  • SMTP (correct)
  • FTP
  • TFTP

What is the primary function of Telnet?

  • Email services
  • File transfer
  • Remote login (correct)
  • Resource sharing

Which protocol provides file transfer services in a simple manner?

  • SMTP
  • FTP
  • TFTP (correct)
  • Telnet

In which layer of the OSI model does Telnet operate?

<p>Application Layer (B)</p> Signup and view all the answers

What is the role of an FTP server?

<p>Allows users to operate files on a remote server (B)</p> Signup and view all the answers

Which protocol uses UDP for communication?

<p>TFTP (B)</p> Signup and view all the answers

Which layer of the OSI model does ARP operate at?

<p>Data Link Layer (B)</p> Signup and view all the answers

What is the purpose of the ARP request message?

<p>To discover the MAC address associated with a given IP address (A)</p> Signup and view all the answers

What information is contained in the ARP reply message?

<p>The destination IP address and source MAC address (B)</p> Signup and view all the answers

What happens when a device needs to send a datagram but the destination MAC address is not in the ARP table?

<p>The device broadcasts an ARP request to discover the MAC address (B)</p> Signup and view all the answers

What is the purpose of the ARP cache table?

<p>To store the MAC addresses associated with known IP addresses (C)</p> Signup and view all the answers

What is the first step a device takes when it needs to send a datagram to a destination IP address?

<p>Check the ARP cache table (A)</p> Signup and view all the answers

What does network communication refer to?

<p>Communication between terminal devices through a computer network (A)</p> Signup and view all the answers

Which of the following is an example of network communication according to the text?

<p>Transferring files between two computers through a network cable (C)</p> Signup and view all the answers

What is the concept of network communication?

<p>Virtual information transfer is similar to real object transfer (C)</p> Signup and view all the answers

How does data communication network differ from network communication?

<p>Data communication doesn't involve transferring files among multiple computers (A)</p> Signup and view all the answers

What is the main focus of network communication according to the text?

<p>Communication among terminal devices through a computer network (B)</p> Signup and view all the answers

What is a key characteristic of virtual information transfer compared to real object transfer?

<p>Virtual information transfer is similar to real object transfer (C)</p> Signup and view all the answers

What does a LAN typically cover?

<p>Several thousand square meters (D)</p> Signup and view all the answers

Which of the following is a typical example of a WAN?

<p>Internet (C)</p> Signup and view all the answers

Where are MANs typically established?

<p>Within a city (B)</p> Signup and view all the answers

What scale does a WAN generally cover?

<p>Thousands of square kilometers (B)</p> Signup and view all the answers

What is considered as the core of a provincial education bureau?

<p>MAN core of the municipal education bureau (B)</p> Signup and view all the answers

What type of network is commonly found in cyber bars?

<p>LAN (D)</p> Signup and view all the answers

What is the primary advantage of the layered model in data communication?

<p>It allows for clear division of functions and boundaries between layers. (C)</p> Signup and view all the answers

Which layer in the OSI model is responsible for encapsulating data with headers and trailers?

<p>Data Link Layer (C)</p> Signup and view all the answers

What is the purpose of encapsulation in data communication?

<p>To provide a standardized format for data transmission across different networks. (D)</p> Signup and view all the answers

Which process occurs at the receiver end after data transmission?

<p>Decapsulation (D)</p> Signup and view all the answers

What is the primary role of the Physical Layer in the OSI model?

<p>Providing physical connections and transmitting raw bit streams (B)</p> Signup and view all the answers

Which statement best describes the purpose of industry standardization in the layered model?

<p>It enables compatibility and communication between different network types and devices. (A)</p> Signup and view all the answers

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