Network+ Practice (Part 3)

A Class C network block uses the __________ octets to define only the network ID.

• First Two

• Last Two

• First Three

• Last Three

Which protocol is connection-oriented?

• UPD

• ICMP

• IP

• TCP

Which Transport Layer protocol do Domain Name System (DNS) and Dynamic Host Configuration Protocol (DHCP) use?

• UPD

• TCP

• IP

• POP3

Web servers and Web browsers use ____________________ to communicate.

• TFTP

• HTTP

• SNMP

• ICMP

What is the range of decimal values in each of the four groups of an IPv4 address?

• 1 to 256

• 0 to 255

• 1 to 1024

• 0 to 1023

Which formula would you use to arrive at the number of hosts on a subnet?

• 2^x + 2, where x represents the number of zeroes in the subnet mask

• 2^x
  – 2, where x represents the number of zeroes in the subnet mask

• 2^x / 2, where x represents the number of zeroes in the subnet mask

• 2^x * 2, where x represents the number of zeroes in the subnet mask

How many binary digits are in an IPv4 address?

• 4

• 8

• 16

• 32

Which method of sending a packet allows every computer on the LAN to hear the message?

• Omnicast

• Broadcast

• Unicast

• Multicast

Dynamic IP addressing via ____________________ automatically assigns an IP address whenever a computer connects to the network.

• The Dynamic Host Configuration Protocol (DHCP)

• ipconfig

• Subnetting

• Classless Inter-Domain Routing (CIDR)

Which method of sending a packet allows a single computer to send a packet to a group of interested computers?

• Omnicast

• Broadcast

• Unicast

• Multicast