What is the purpose of DNS in a web browser?

To convert domain names to IP addresses

What is the purpose of DNS caching?

To temporarily store data for performance and reliability

To delete data for privacy concerns

To permanently store data for security

To encrypt data for data protection

What is the role of the Root server in DNS resolution?

It serves as a reference to other more specific locations

It translates human readable host names into IP addresses

It stores the information for its domains

It responds with the address of a Top Level Domain (TLD) DNS server

What is the purpose of the Recursive DNS Resolver?

To respond to a recursive request from a client and track down the DNS record

To store DNS records for a set amount of time

To make additional requests to satisfy the client’s DNS query

To make a series of requests until it reaches the authoritative DNS nameserver

Where does the DNS caching occur at the operating system level?

At the DNS recursive resolver inside the ISP

At the authoritative DNS server

What is the function of the TLD server in DNS resolution?

To host the last portion of a hostname , e.g. the ".com"

To respond with the IP address of the domain’s nameserver

To store the information for its domains

To serve as a reference to other more specific locations

What is the purpose of the Authoritative DNS server?

To respond with the queried resource record, ultimately allowing the web browser to reach the IP address

To respond with the address of a Top Level Domain (TLD) DNS server

To translate human readable host names into IP addresses

To make additional requests to satisfy the client’s DNS query

What is the role of the TLD nameserver in DNS resolution?

It serves as a reference to other more specific locations

It translates human readable host names into IP addresses

It stores the information for its domains

It responds with the IP address of the domain’s nameserver

What is the function of the Recursive DNS Resolver?

To make additional requests to satisfy the client’s DNS query

To translate human readable host names into IP addresses

To respond with the queried resource record, ultimately allowing the web browser to reach the IP address

To respond with the address of a Top Level Domain (TLD) DNS server

What is the purpose of the Root nameserver in DNS resolution?

It translates human readable host names into IP addresses

It responds with the IP address of the domain’s nameserver

It stores the information for its domains

It serves as a reference to other more specific locations

Where does the DNS caching occur at the browser level?

At the DNS recursive resolver inside the ISP

A dedicated computer that provides services on behalf of clients

A computer used for gaming purposes

A computer that is not connected to any network

A computer that only runs on Windows operating system

What are some services provided by a server?

Retrieving a website, accessing data, and email

Editing photos, videos, and audio files

Playing video games, watching movies, and listening to music

Creating documents, spreadsheets, and presentations

What are the differences between a server and a desktop computer?

Servers are designed to handle a large workload and can handle a lot of incoming connections

Desktop computers support ECC RAM while servers do not

Desktop computers are more reliable and have robust hardware

Servers use desktop operating systems while desktop computers use server operating systems

Why do servers need to be up and running 24/7?

They are vital to an organization and if a server goes down, it could jeopardize a business

Servers need to be shut down to prevent overheating

Servers only need to be up and running during office hours

Servers do not need to be up and running all the time

What is ECC RAM and why is it important for servers?

Error code correcting memory that detects and corrects data processing errors to prevent memory errors

A memory module that is not compatible with server processors

A type of memory used for gaming purposes

A memory module that is only used in desktop computers

What is the purpose of RAID in a server?

To prevent data loss in case of a hard drive failure

To improve the graphics performance of the server

To increase the speed of data processing

To reduce the amount of RAM usage

What are some examples of server operating systems?

Linux, Windows Server, mac OS server

What is the function of a web server?

Hosts a website and contains all of the website's data

Stores data on the backend and retrieves it using queries such as SQL

Manages the network and internet connection of the server

Facilitates the sending and receiving of email

What is the purpose of a file server?

Storing and sharing files across a network

Storing and retrieving data on the backend using queries such as SQL

Managing the network and internet connection of the server

What is the function of a database server?

Storing and retrieving data on the backend using queries such as SQL

Managing the network and internet connection of the server

Storing and sharing files across a network

Why is it important for servers to have robust hardware?

To handle a large workload and a lot of incoming connections

To improve the graphics performance of the server

To reduce the amount of RAM usage

To prevent data loss in case of a hard drive failure

What is the function of a print server?

Managing and controlling access to printers and print jobs

Storing and retrieving data on the backend using queries such as SQL

Managing the network and internet connection of the server

What is the role of a DNS server?

Resolving domain names to IP addresses

Storing and retrieving data on the backend using queries such as SQL

Transferring files across a network

Hosting websites and web applications

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What does the authoritative name server respond with to the resolver?

Domain name

Root server address

IP address

TLD server address

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What does DNS stand for?

What does DNS resolve domain names to?

What is the purpose of a resolver server in DNS?

How many sets of root servers are there in the DNS hierarchy?

What is the responsibility of the top level domain server?

What is the final authority for knowing everything about a domain?

What does the authoritative name server respond with to the resolver?

What does the resolver do with the IP address it receives?

What is the purpose of DNS in a web browser?

What is the analogy used to explain how DNS works?

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