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CCNA2 v7 Module 7 - DHCPv4

Terms in this set (18)

Which message is sent by a DHCPv4 client to initiate the lease obtaining process?
DHCPDISCOVER
Which two DHCPv4 messages are sent by the server in the lease obtaining process? (Two answers)
-DHCPOFFER
-DHCPACK
Which two DHCPv4 messages are used in the lease renewal process? (Two answers)
-DHCPREQUEST
-DHCPACK
A DHCP-enabled client PC has just booted. During which two steps will the client PC use broadcast messages when communicating with a DHCP server? (Two answers)
-DHCPDISCOVER
-DHCPREQUEST
An administrator issues the commands:
Router(config)# interface g0/1
Router(config-if)# ip address dhcp
What is the administrator trying to achieve?
Configuring the router to obtain IP parameters from a DHCPv4 server.
When a client is requesting an initial address lease from a DHCP server, why is the DHCPREQUEST message sent as a broadcast?
The client may have requested offers from multiple servers, and the broadcast serves to implicitly decline those other offers.
Which DHCP IPv4 message contains the following information?
Destination address: 255.255.255.255
Client IPv4 address: 0.0.0.0
Default gateway address: 0.0.0.0
Subnet mask: 0.0.0.0
DHCPDISCOVER
What kind of message is sent by a DHCPv4 client requesting an IP address?
DHCPDISCOVER broadcast message
As a DHCPv4 client lease is about to expire, what is the message that the client sends the DHCP server?
DHCPREQUEST
What is the destination IP address when an IPv4 host sends a DHCPDISCOVER message?
255.255.255.255
If more than one DHCP server is available on the local network, in which order will DHCP messages be sent between a host and a DHCP server?
Discover, Offer, Request, Acknowledge
What is the most likely scenario in which the WAN interface of a router would be configured as a DHCP client to be assigned a dynamic IP address from an ISP?
It is a SOHO or home broadband router.
Which is a DHCPv4 address allocation method that assigns IPv4 addresses for a limited lease period?
Dynamic allocation
What is the reason why the DHCPREQUEST message is sent as a broadcast during the DHCPv4 process?
To notify other DHCP servers on the subnet that the IP address was leased.
How is a DHCPDISCOVER transmitted on a network to reach a DHCP server?
A DHCPDISCOVER message is sent with the broadcast IP address as the destination address.
Which destination IPv4 address does a DHCPv4 client use to send the initial DHCP Discover packet when the client is looking for a DHCP server?
255.255.255.255
Under which two circumstances would a router usually be configured as a DHCPv4 client? (Two answers)
-The router is intended to be used as a SOHO gateway.
-This is an ISP requirement.
Which address does a DHCPv4 server target when sending a DHCPOFFER message to a client that makes an address request?
Client hardware address
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