Subnetting interview questions
Subnetting interview questions
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Total Questions: 19
1. Which of the following is the broadcast address for a Class B network ID using the default subnetmask?
Correct Answer is : 172.16.255.255
2. You have an IP address of 172.16.13.5 with a 255.255.255.128 subnet mask. What is your class of address, subnet address, and broadcast address?
Correct Answer is : Class B, Subnet 172.16.13.0, Broadcast address 172.16.13.127
3. If you wanted to have 12 subnets with a Class C network ID, which subnet mask would you use?
Correct Answer is : 255.255.255.240
4. The combination of _________ and __________ is often termed the local address of the local portion of the IP address.
Correct Answer is : Subnet number and host number
5. _________ implies that all subnets obtained from the same subnet mask.
Correct Answer is : Static subnetting
6. State whether true or false. i) A connection oriented protocol can only use unicast addresses. ii) The any cast service is included in IPV6.
Correct Answer is : True, True
7. __________ is a high performance fiber optic token ring LAN running at 100 Mbps over distances upto 1000 stations connected.
Correct Answer is : FDDI
8. Which of the following are Gigabit Ethernets?
Correct Answer is : all of the above
9. _________ is a collective term for a number of Ethernet Standards that carry traffic at the nominal rate of 1000 Mbit/s against the original Ethernet speed of 10 Mbit/s.
Correct Answer is : Fast Ethernet
10. _________ is another kind of fiber optic network with an active star for switching.
Correct Answer is : S/NET
11. Your router has the following IP address on Ethernet0: 172.16.2.1/23. Which of the following can be valid host IDs on the LAN interface attached to the router? 1. 172.16.1.100 2. 172.16.1.198 3. 172.16.2.255 4. 172.16.3.0
Correct Answer is : 3 and 4 only
12. Which two statements describe the IP address 10.16.3.65/23? 1. The subnet address is 10.16.3.0 255.255.254.0. 2. The lowest host address in the subnet is 10.16.2.1 255.255.254.0. 3. The last valid host address in the subnet is 10.16.2.254 255.255.254.0. 4. The broadcast address of the subnet is 10.16.3.255 255.255.254.0.
Correct Answer is : 2 and 4
13. 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?
Correct Answer is : 30
14. You need to subnet a network that has 5 subnets, each with at least 16 hosts. Wohich classful subnet mask would you use
Correct Answer is : 255.255.255.224
15. You have a network that needs 29 subnets while maximizing the number of host addresses available on each subnet. How many bits must you borrow from the host field to provide the correct subnet mask?
Correct Answer is : 5
16. If an Ethernet port on a router were assigned an IP address of 172.16.112.1/25, what would be the valid subnet address of this host?
Correct Answer is : 172.16.112.0
17. You have an interface on a router with the IP address of 192.168.192.10/29. Including the router interface, how many hosts can have IP addresses on the LAN attached to the router interface?
Correct Answer is : 6
18. What is the subnetwork number of a host with an IP address of 172.16.66.0/21?
Correct Answer is : 172.16.64.0
19. The network address of 172.16.0.0/19 provides how many subnets and hosts?
Correct Answer is : 8 subnets, 8,190 hosts each
