Podcast
Questions and Answers
A computer on a network is unable to obtain an IP address from a DHCP server. What type of address will Windows automatically assign to it?
A computer on a network is unable to obtain an IP address from a DHCP server. What type of address will Windows automatically assign to it?
- DNS server address
- APIPA address (correct)
- Loopback address
- Static IP address configured by the user
You have been assigned the IP address 169.254.5.10. What type of address is this, and what does it signify?
You have been assigned the IP address 169.254.5.10. What type of address is this, and what does it signify?
- Loopback address, meaning the computer is communicating with itself.
- DHCP address, meaning the computer has received the info from a server.
- Static IP, meaning the network administrator has manually configured the address.
- APIPA, meaning the computer could not reach a DHCP server and has self-assigned an address. (correct)
A network administrator configures a computer with a static IP address, subnet mask, and default gateway. What is the primary purpose of the default gateway?
A network administrator configures a computer with a static IP address, subnet mask, and default gateway. What is the primary purpose of the default gateway?
- To automatically assign IP addresses to devices on the network
- To enable the computer to communicate with devices outside of its local subnet (correct)
- To resolve fully qualified domain names to IP addresses
- To provide a unique identifier for the system on the network
Which of the following best describes the function of a DNS (Domain Name System) server?
Which of the following best describes the function of a DNS (Domain Name System) server?
In a corporate network, why are multiple DHCP servers often implemented?
In a corporate network, why are multiple DHCP servers often implemented?
What does it mean if your computer is configured to 'obtain an IP address automatically'?
What does it mean if your computer is configured to 'obtain an IP address automatically'?
What is the primary purpose of pinging the loopback address (127.0.0.1)?
What is the primary purpose of pinging the loopback address (127.0.0.1)?
You connect your laptop to a network but cannot access the internet. You check your IP configuration and find an APIPA address. What is the most likely cause?
You connect your laptop to a network but cannot access the internet. You check your IP configuration and find an APIPA address. What is the most likely cause?
A user frequently connects their laptop to different networks, some with DHCP servers and some without. How can they ensure their laptop always has a valid IP configuration, even when a DHCP server is unavailable?
A user frequently connects their laptop to different networks, some with DHCP servers and some without. How can they ensure their laptop always has a valid IP configuration, even when a DHCP server is unavailable?
Where in the Windows operating system can a user typically find the settings to view and modify their network adapter's IP configuration?
Where in the Windows operating system can a user typically find the settings to view and modify their network adapter's IP configuration?
In the properties of an IP version 4 (TCP/IPv4) configuration, what are the two options available for assigning an IP address to a computer?
In the properties of an IP version 4 (TCP/IPv4) configuration, what are the two options available for assigning an IP address to a computer?
A user configures an alternate IP configuration on their Windows laptop. What scenario will trigger the use of this alternate configuration?
A user configures an alternate IP configuration on their Windows laptop. What scenario will trigger the use of this alternate configuration?
Which of the following network configurations allows a computer to communicate only with other devices on the same local subnet and not beyond?
Which of the following network configurations allows a computer to communicate only with other devices on the same local subnet and not beyond?
A network administrator needs to ensure that a server always has the same IP address for internal network services. Which IP addressing method should be used?
A network administrator needs to ensure that a server always has the same IP address for internal network services. Which IP addressing method should be used?
What is the relationship between an IP address and a subnet mask?
What is the relationship between an IP address and a subnet mask?
Flashcards
DHCP (Dynamic Host Configuration Protocol)
DHCP (Dynamic Host Configuration Protocol)
An automatic way to assign IP address configuration settings.
APIPA (Automatic Private IP Addressing)
APIPA (Automatic Private IP Addressing)
An IP address Windows assigns itself when a DHCP server is unavailable.
Link-local Address
Link-local Address
An IP address that can only communicate with other devices on the local network.
Static Addressing
Static Addressing
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IP Address
IP Address
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Subnet Mask
Subnet Mask
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Gateway Address
Gateway Address
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DNS (Domain Name Services)
DNS (Domain Name Services)
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Loopback Address
Loopback Address
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Alternate Configuration
Alternate Configuration
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Study Notes
- When a computer connects to a network, it typically receives an IP address from a Dynamic Host Configuration Protocol (DHCP) server automatically.
- Without a DHCP server, Windows assigns a limited APIPA (Automatic Private IP Addressing) address.
APIPA Addresses
- APIPA addresses are assigned when DHCP is unavailable or a static IP address isn't configured.
- APIPA addresses are link-local, meaning communication is restricted to the local network only; external routing to the internet is not possible.
- The APIPA address range is 169.254.1.0 to 169.254.254.255.
Static Addressing
- Static addressing involves manual configuration of IP settings like IP address, subnet mask, and default gateway, usually provided by a network administrator.
- The IP address is a unique identifier for a system on the network.
- A subnet mask is always paired with an IP address.
- The gateway address is the IP of a router that enables communication beyond the local subnet.
DNS (Domain Name Services)
- DNS resolves fully qualified domain names by converting them to IP addresses, and vice-versa.
- Usually, two DNS servers are configured as a redundancy measure.
DHCP Configuration
- Selecting the automatic IP address option in Windows enables DHCP.
- Manual configurations override automatic settings.
Loopback Address
- A loopback address (127.0.0.1 for IPv4) is configured on every system.
- Pinging the loopback address is a common way to test if the IP stack is functioning.
DHCP Server Redundancy
- Corporate networks often implement multiple DHCP servers to ensure IP configuration availability.
Alternate Configuration
- The alternate configuration feature in Windows allows specifying static IP settings for use when DHCP is unavailable, avoiding APIPA addresses.
- This is useful for trusted networks without DHCP.
Finding IP Configuration Settings in Windows
- Access the Control Panel, then Network and Sharing Center, and Change Adapter Settings
- Right-click a network adapter and select Properties.
- Open IP version four configuration properties to view or modify IP settings.
Alternate Configuration Setup
- Within the IP version four properties screen, the Alternate Configuration tab allows defining static IPs, subnet masks, gateway addresses, etc.
- Laptops can use DHCP at work and the alternate configuration at home.
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