Huawei Networking Devices and Servers Overview

Which protocol provides Internet email services?

SMTP

What is the primary function of Telnet?

Remote login

Which protocol provides file transfer services in a simple manner?

TFTP

In which layer of the OSI model does Telnet operate?

Application Layer Signup and view all the answers

What is the role of an FTP server?

Allows users to operate files on a remote server Signup and view all the answers

Which protocol uses UDP for communication?

TFTP Signup and view all the answers

Which layer of the OSI model does ARP operate at?

Data Link Layer Signup and view all the answers

What is the purpose of the ARP request message?

To discover the MAC address associated with a given IP address Signup and view all the answers

What information is contained in the ARP reply message?

The destination IP address and source MAC address 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?

The device broadcasts an ARP request to discover the MAC address Signup and view all the answers

What is the purpose of the ARP cache table?

To store the MAC addresses associated with known IP addresses 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?

Check the ARP cache table Signup and view all the answers

What does network communication refer to?

Communication between terminal devices through a computer network Signup and view all the answers

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

Transferring files between two computers through a network cable Signup and view all the answers

What is the concept of network communication?

Virtual information transfer is similar to real object transfer Signup and view all the answers

How does data communication network differ from network communication?

Data communication doesn't involve transferring files among multiple computers Signup and view all the answers

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

Communication among terminal devices through a computer network Signup and view all the answers

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

Virtual information transfer is similar to real object transfer Signup and view all the answers

What does a LAN typically cover?

Several thousand square meters Signup and view all the answers

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

Internet Signup and view all the answers

Where are MANs typically established?

Within a city Signup and view all the answers

What scale does a WAN generally cover?

Thousands of square kilometers Signup and view all the answers

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

MAN core of the municipal education bureau Signup and view all the answers

What type of network is commonly found in cyber bars?

LAN Signup and view all the answers

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

It allows for clear division of functions and boundaries between layers. Signup and view all the answers

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

Data Link Layer Signup and view all the answers

What is the purpose of encapsulation in data communication?

To provide a standardized format for data transmission across different networks. Signup and view all the answers

Which process occurs at the receiver end after data transmission?

Decapsulation Signup and view all the answers

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

Providing physical connections and transmitting raw bit streams Signup and view all the answers

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

It enables compatibility and communication between different network types and devices. Signup and view all the answers