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Telnet Protocol Overview

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Questions and Answers

What is the main difference between Telnet and SSH?

Telnet uses clear-text communication, while SSH uses encrypted communication. (correct)

Telnet can only be used for remote login, while SSH can also be used for file transfer.

Telnet operates on TCP port 23, while SSH operates on TCP port 22.

Telnet is a client-server protocol, while SSH is a peer-to-peer protocol.

What is the purpose of the Domain Name System (DNS)?

To establish secure connections between client and server devices.

To provide a directory of email addresses for users on the internet.

To translate human-readable domain names into IP addresses. (correct)

To manage the allocation of IP addresses to devices on a network.

Which of the following is a fully qualified domain name (FQDN)?

www.example.com (correct)

www.example

example

example.com

What is the primary function of the Dynamic Host Configuration Protocol (DHCP)?

To manage the allocation of IP addresses to devices on a network. Signup and view all the answers

Which TCP port is used by the Secure Shell (SSH) protocol?

22 Signup and view all the answers

What is the purpose of the Simple Network Management Protocol (SNMP)?

To monitor and manage network devices, such as routers and switches. Signup and view all the answers

What protocol is used for automated IP address assignment and network configuration?

DHCP Signup and view all the answers

Which protocol is used to translate human-readable domain names into IP addresses?

DNS Signup and view all the answers

What is the full form of FQDN?

Fully Qualified Domain Name Signup and view all the answers

Which protocol is used for remote command-line access to network devices?

SSH Signup and view all the answers

What is the purpose of the ARP (Address Resolution Protocol)?

To translate IP addresses into MAC addresses Signup and view all the answers

Which protocol is used for secure remote command-line access and file transfer?

SSH Signup and view all the answers

What is the default TCP port used by Telnet?

23 Signup and view all the answers

Why is Telnet considered insecure compared to SSH?

It sends data in clear text Signup and view all the answers

In the context of DNS, what does FQDN stand for?

Fully Qualified Domain Name Signup and view all the answers

Which protocol is used to dynamically distribute IP addresses and configuration information to clients?

DHCP Signup and view all the answers

What is the main reason why Telnet is being replaced by SSH?

Telnet sends data over the network without encryption Signup and view all the answers

What happens when a device receives an IP address of 169.254.x.x?

The device failed to acquire an IP address via DHCP Signup and view all the answers