18 Questions
What is the main difference between Telnet and SSH?
Telnet uses clear-text communication, while SSH uses encrypted communication.
What is the purpose of the Domain Name System (DNS)?
To translate human-readable domain names into IP addresses.
What is the primary function of the Dynamic Host Configuration Protocol (DHCP)?
To manage the allocation of IP addresses to devices on a network.
Which TCP port is used by the Secure Shell (SSH) protocol?
22
What is the purpose of the Simple Network Management Protocol (SNMP)?
To monitor and manage network devices, such as routers and switches.
What protocol is used for automated IP address assignment and network configuration?
DHCP
Which protocol is used to translate human-readable domain names into IP addresses?
DNS
What is the full form of FQDN?
Fully Qualified Domain Name
Which protocol is used for remote command-line access to network devices?
SSH
What is the purpose of the ARP (Address Resolution Protocol)?
To translate IP addresses into MAC addresses
Which protocol is used for secure remote command-line access and file transfer?
SSH
What is the default TCP port used by Telnet?
23
Why is Telnet considered insecure compared to SSH?
It sends data in clear text
In the context of DNS, what does FQDN stand for?
Fully Qualified Domain Name
Which protocol is used to dynamically distribute IP addresses and configuration information to clients?
DHCP
What is the main reason why Telnet is being replaced by SSH?
Telnet sends data over the network without encryption
What happens when a device receives an IP address of 169.254.x.x?
The device failed to acquire an IP address via DHCP
Learn about Telnet, a virtual terminal protocol used by network administrators to remotely manage devices. Discover why Telnet is considered insecure due to transmitting data, including credentials, in clear text, leading to security risks.
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