Subnetting Questions Answers Online Quiz Test

• 1. Default network mask for CLASS A is

  1. 255.0.0.0
  2. 255.255.0.0
  3. 255.255.255.0
  4. 255.255.255.255

• 2. Default network mask for CLASS B is

  1. 255.0.0.0
  2. 255.255.0.0
  3. 255.255.255.0
  4. 255.255.255.255

• 3. Default network mask for CLASS C is

  1. 255.0.0.0
  2. 255.255.0.0
  3. 255.255.255.0
  4. 255.255.255.255

• 4. What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask

  1. 14
  2. 15
  3. 30
  4. 62

• 5. To test the IP stack on your local host, which IP address will you ping

  1. 127.0.0.0
  2. 1.0.0.127
  3. 127.0.0.1
  4. 255.255.255.0

• 6. You need to subnet a network that has 5 subnets, each with at least 16 hosts. Which can be your choise

  1. 255.255.255.192
  2. 255.255.255.224
  3. 255.255.255.240
  4. 255.255.255.248

• 7. What is the subnetwork number of a host with an IP address of 172.16.66.0/21

  1. 172.16.64.0
  2. 172.16.48.0
  3. 172.16.36.0
  4. 172.16.0.0

• 8. A client workstation is connected to a DHCP server through a switch and a router, The client machine has been able to access the network resources without any problem. However, after the recent configuration change on the DHCP server, the client workstation is not able to access any network resources. What is the likely solution ?

  1. Issue a tracert command to DHCP server
  2. Reset switch MAC address table
  3. Use ipconfig command with /release and /renew options
  4. Clear arp cache on the router