Assigning IPv4 Addresses Flashcards Preview

CompTIA N10-007 Network+ > Assigning IPv4 Addresses > Flashcards

Flashcards in Assigning IPv4 Addresses Deck (3)
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1
Q

DHCP

A

• IPv4 address configuration used to be manual
• IP address, subnet mask, gateway, DNS servers, NTP
servers, etc.

• October 1993 - The bootstrap protocol - BOOTP
• BOOTP didn’t automatically define everything
• Some manual configurations were still required
• BOOTP also didn’t know when an IP address might
be available again

• Dynamic Host Configuration Protocol
• Initially released in 1997, updated through the years
• Provides automatic address / IP configuration for
almost all devices

2
Q

Turning dynamic into static

A

• DHCP assigns an IP address from the first available
from a large pool of addresses
• Your IP address will occasionally change

  • You may not want your IP address to change
    • Server, printer, or personal preference
  • Disable DHCP on the device
    • Configure the IP address information manually
    • Requires additional administration
  • Configure an IP reservation on the DHCP server
    • Associate a specific MAC address with an IP address
3
Q

APIPA - Automatic Private IP Addressing

A

• A link-local address - No forwarding by routers

• IETF has reserved 169.254.0.1 - through
169.254.255.254
• First and last 256 addresses are reserved
• Functional block of 169.254.1.0 through
169.254.254.255

Decks in CompTIA N10-007 Network+ Class (86):