The Full Stack Web Development - Telnet Commands

The video tutorial demonstrates how to connect to Memcache using TELNET and execute various commands such as setting, retrieving, and deleting key-value pairs. It explains the use of commands like set, add, append, prepend, replace, increment, and decrement. The tutorial also covers the flush and stats commands to manage and monitor Memcache data. Finally, it introduces Memcache tools for scripting environments.

What command is used to retrieve a value associated with a key in Memcached?

• get

• add

• set

• delete

Which command in Memcached will only store a key-value pair if the key does not already exist?

• add

• replace

• append

• set

What happens when you use the 'append' command in Memcached?

• It replaces the existing value with a new one.

• It adds a new key-value pair.

• It removes the key-value pair.

• It adds data to the end of an existing value.

How does the 'prepend' command modify a value in Memcached?

• It duplicates the value.

• It updates the expiration time.

• It deletes the existing value.

• It adds data to the beginning of an existing value.

What is the purpose of the 'replace' command in Memcached?

• To update an existing key-value pair only if it exists.

• To add a new key-value pair.

• To append data to an existing value.

• To remove a key-value pair.

Which command would you use to clear all data from the Memcached server?

• flush all

• clear

• reset

• delete

What information can be obtained using the 'stats' command in Memcached?

• Current and total items, bytes read and written.

• Only the current items.

• Only the bytes read.

• Only the total items.