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Internet Protocol (IP)

5 minutes 5 Questions

Internet Protocol (IP) is the principal communication protocol used on the internet for relaying datagrams across network boundaries. It provides a functional interface to connect the lower-level link layer (address resolution) and the higher-level routing functionality within the network layer. IP…

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CompTIA A+ - Internet Protocol (IP) Example Questions

Test your knowledge of Internet Protocol (IP)

Question 1

You're configuring a router and want to implement IPv6. Which of these address types provides global internet connectivity?

Correct Answer: Global Unicast Address.

Global Unicast Addresses are used for global internet connectivity in IPv6. They are globally unique and routable on the IPv6 internet. Unique Local Addresses are used for local addressing within a site or organization and are not globally routable. Link-local Addresses are used for communication on a single link and are not routable. Multicast Addresses are used to send traffic to multiple destinations simultaneously, but do not provide global internet connectivity to individual hosts.

Question 2

You're troubleshooting a client's network connection and find their IP address is incorrect. What should you do to fix the problem?

Correct Answer: Assign a new IP address using DHCP.

The best solution is to assign a new IP address using DHCP. DHCP (Dynamic Host Configuration Protocol) is designed to automatically assign IP addresses to devices on a network, ensuring each device has a valid and unique IP address. Changing the subnet mask would not resolve an incorrect IP address issue. Assigning the IP address of the router would cause an IP address conflict on the network. Shutting down the computer for 10 minutes would not have any effect on resolving an IP address issue.

Question 3

Which IP addressing method dynamically assigns IP addresses to devices on a network?

Correct Answer: DHCP

DHCP (Dynamic Host Configuration Protocol) is the correct answer. It is specifically designed to dynamically assign IP addresses to devices on a network.

DHCP automates the process of assigning IP addresses, subnet masks, default gateways, and other network configuration parameters to devices. This makes network administration more efficient and reduces the potential for human error in manual IP address assignment.

The other options are incorrect:

ARP (Address Resolution Protocol) is used to map IP addresses to MAC addresses in a local network. It does not assign IP addresses.

NAT (Network Address Translation) is a method of remapping one IP address space into another, typically used to conserve public IP addresses. It does not assign IP addresses to devices.

DNS (Domain Name System) is used to translate domain names into IP addresses. While it plays a crucial role in networking, it does not handle IP address assignment to devices.

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