Networking Essentials - Chapter 9

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?

• the IP address of the default gateway
• 127.0.0.1
• 244.0.0.1
• 255.255.255.255

Which is a DHCPv4 address allocation method that assigns IPv4 addresses for a limited lease period?

• manual allocation
• pre-allocation
• automatic allocation
• dynamic allocation

Which DHCPv4 message will a client send to accept an IPv4 address that is offered by a DHCP server?

• broadcast DHCPREQUEST
• unicast DHCPREQUEST
• unicast DHCPACK
• broadcast DHCPACK

Refer to the exhibit. A user is configuring a PC with the IP settings as displayed, but the operating system will not accept them. What is the problem?

• The DNS settings are not configured
• the gateway address is not configured
• the subnet mask is wrong
• the IP address is not a usable host address

Which two types of devices are typically assigned static IP addresses? (Choose two.)

• workstations
• laptops
• printers
• web servers
• hubs

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? (Choose two.)

• DHCPOFFER
• DHCPDISCOVER
• DHCPNAK
• DHCPACK
• DHCPREQUEST

Which two reasons generally make DHCP the preferred method of assigning IP addresses to hosts on large networks? (Choose two.)

• It guarantees that every device that needs an address will get one.
• It ensures that addresses are only applied to device sthat require a permanent address
• It provides an address only to devies athat are authorized to be connected to the network
• it elimiates most address configuration errors.
• It reduces the burden on network support staff.

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?

• request, discover, offer, acknowledgement
• acknowledgement, request, offer, discover
• request, acknowledgement, discover, offer
• discover, offer, request, acknowledgement

A DHCP server is used to assign IP addresses dynamically to the hosts on a network. The address pool is configured with 192.168.10.0/24. There are 3 printers on this network that need to use reserved static IP addresses from the pool. How many IP addresses in the pool are left to be assigned to other hosts?

• 254
• 251
• 252
• 253

Which statement is true about DHCP operation?​

• A client must wait for lease expiration before it sends another DHCPREQUEST message
• If the client recieves several DHCPOFFER messages from different servers, it sends a unicast DHCPREQUEST message to the server from which it chooses to obtain the IP information.
• The DHCPDISCOVER message contains the IP address and subnet mask to be assigned, the IP address of the DNS server, and the IP address of the default gateway.
• When a device that is configured to use DHCP boots, the client broadcasts a DHCPDISCOVER message to identify any available DHCP servers on the network