Data Communications and Network Services Pre-Lessoon Quiz 3

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

• • It eliminates most address configuration errors.

• • It ensures that addresses are only applied to devices that require a permanent address.

• • It guarantees that every device that needs an address will get one.

• • It provides an address only to devices that are authorized to be connected to the network.

• • It reduces the burden on network support staff.

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

• • workstations

• • web servers

• • printers

• • hubs

• • laptops

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, acknowledgment

• • acknowledgment, request, offer, discover

• • discover, offer, request, acknowledgment

• • request, acknowledgment, discover, offer

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?

• • 127.0.0.1

• • 224.0.0.1

• • 255.255.255.255

• • the IP address of the default gateway

Which characteristic describes the default gateway of a host computer?

• • the logical address of the router interface on the same network as the host computer

• • the physical address of the switch interface connected to the host computer

• • the physical address of the router interface on the same network as the host computer

• • the logical address assigned to the switch interface connected to the router

Typically, which network device would be used to perform NAT for a corporate environment?

• • DHCP server

• • host device

• • router

• • server

• • switch

Which network technology allows devices to communicate using both IPv4 and IPv6 addressing at the same time?

• • SLAAC

• • NAT64

• • dual stack

• • tunneling

What is the IPv6 prefix that is used for link-local addresses?

• • 2001::/3

• • FC00::/7

• • FE80::/10

• • FF01::/8

What type of applications are best suited for using UDP?

• • applications that are sensitive to delay

• • applications that need reliable delivery

• • applications that require retransmission of lost segments

• • applications that are sensitive to packet loss

A destination PC receives an email message with the sequence numbers on packets out of order. Which layer of the TCP/IP model is responsible for reassembling the packets of the message in the correct order?

• • internet

• • transport

• • application

• • network access