Sec. 10: Networking Basics

All Linux distros are capable of creating a network connection automatically.

• True

• False

Answer explanation

False, not all Linux distributions have the software needed to setup a network connection.

DHCP stands for

• Dynamic Host Configuration Protocol

• Data Host Connection Program

• Direct Host Connection Protocol

Answer explanation

DHCP is the dynamic host configuration protocol. This is used by the OS to automatically receive an IP address from a DHCP server.

______________ is a set of standards that underlie most modern network communications at the software level.

• Wi-Fi

• Internet

• TCP/IP

Answer explanation

TCP/IP is a set of standards that underlie most modern network communications at the software level.

DHCP can be used to deliver IP addresses in one of two ways:

• Fixed and Dynamic

• Manual and Automatic

• Dial-up and DSL

Answer explanation

DHCP has the capability of remembering which devices are assigned to which IP addresses (fixed) or it can issue them dynamically.

A computer only requires a single piece of information to connect to a typical network (its IP address).

• True

• False

Answer explanation

To connect to a network, a computer needs an IP address, subnet mask, gateway, and DNS server.

In Linux, ping continues sending packets once every second or so until interrupted with a _______ keystroke.

• CTRL + C

• CTRL + ^

• SHIFT + Enter

Answer explanation

CTRL + C is used in a Linux system to terminate any running command, therefore you can use it to stop ping.

Which of these is not a function of the DNS?

• Maintains a directory of domain names and translate the to IP addresses

• Helps the operating system create a network connection

• Allows browsers to load Internet Resources

Answer explanation

DNS is not used to create a network connection. Instead, it is used to convert domain names to IP addresses and allow browsers to easily access a website using a domain name.

Which of the following steps will increase the risk to your computer system?

• Enabling a firewall

• Shutting Down Unused Servers

• Establishing an Internet Connection

Answer explanation

Establishing an internet connection will expose your computer to the dangers of the internet, but shutting down unused servers/services and enabling a firewall can help secure your system.

A __________ is a program or system setting that polices network transactions, allowing or disallowing them based on programmed criteria.

• Shell

• Firewall

• Antivirus

Answer explanation

A firewall is a program or system setting that polices network transactions, allowing or disallowing them based on programmed criteria.

DNS stands for Domain Name Source

• True

• False

Answer explanation

DNS stands for Domain Name System. he Domain Name System is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities.