Computer Network Host Addresses

What is the purpose of a broadcast address?

To reach all devices on the IPv4 network (correct)
To assign to a device
To divide a network into smaller sub-networks
To determine the host portion of the address

What is the result of having all 1 bits in the host portion of an address?

A network address
A broadcast address (correct)
A host address
A subnet mask

What is the purpose of a subnet mask?

To divide a network into smaller sub-networks (correct)
To assign an address to a device
To reach all devices on the IPv4 network
To determine the host portion of the address

What is the network address of the given example?

192.168.10.0/24 (C) Signup and view all the answers

What is the result of having all 0 bits in the host portion of an address?

A network address (B) Signup and view all the answers

What is the last address in the given example?

192.168.10.254/24 (A) Signup and view all the answers

What is the broadcast address of the given example?

192.168.10.255/24 (B) Signup and view all the answers

What is the first address in the given example?

192.168.10.1/24 (D) Signup and view all the answers

What was the main purpose of Class A addresses in the legacy classful addressing system?

To support extremely large networks with more than 16 million host addresses (A) Signup and view all the answers

What is the range of addresses for Class B in the legacy classful addressing system?

128.0.0.0/16 to 191.255.0.0/16 (D) Signup and view all the answers

What is the maximum number of host addresses supported by Class C addresses?

254 (B) Signup and view all the answers

What was the main issue with the legacy classful addressing system?

It wasted many IPv4 addresses (A) Signup and view all the answers

What replaced the legacy classful addressing system?

Classless addressing (A) Signup and view all the answers

What is the range of addresses for Class C in the legacy classful addressing system?

192.0.0.0/24 to 223.255.255.0/24 (B) Signup and view all the answers

What is the range of addresses for Class D in the legacy classful addressing system?

224.0.0.0 to 239.0.0.0 (A) Signup and view all the answers

What is the range of addresses for Class E in the legacy classful addressing system?

240.0.0.0 to 255.0.0.0 (C) Signup and view all the answers

What is the maximum number of hosts that can be connected in a single subnet with a subnet mask of 255.0.0.0?

16,777,214 (D) Signup and view all the answers

What would be the result of subnetting the 10.0.0.0/8 network at the /16 octet boundary?

256 subnets, each connecting 65,534 hosts (A) Signup and view all the answers

What is the purpose of subnetting an IPv4 network?

To divide a larger network into smaller subnets (D) Signup and view all the answers

What is the subnet mask for a /24 network?

255.255.255.0 (B) Signup and view all the answers

How many subnets can be defined by subnetting the 10.0.0.0/8 network at the /24 octet boundary?

65,536 (A) Signup and view all the answers

What is the advantage of subnetting a network?

Improve network manageability (D) Signup and view all the answers

What is the maximum number of hosts that can be connected in a single subnet with a subnet mask of 255.255.255.0?

254 (C) Signup and view all the answers

What is the binary representation of the subnet mask 255.0.0.0?

11111111.00000000.00000000.00000000 (A) Signup and view all the answers

What is the result of subtracting 2 hosts per subnet?

16,382 hosts per subnet (A) Signup and view all the answers

How many hosts can each of the 1000 subnets support?

16,382 hosts (D) Signup and view all the answers

What is the internal part of a company's network called?

Intranet (C) Signup and view all the answers

What type of IPv4 addresses do devices in the intranet use?

Private IPv4 addresses (C) Signup and view all the answers

What is the prefix of the private IPv4 network address used in the intranet?

10.0.0.0/8 (D) Signup and view all the answers

What is the part of the company's network containing resources available to the internet called?

DMZ (B) Signup and view all the answers

What is the purpose of variable-length subnet masking (VLSM)?

To minimize the number of unused host addresses per subnet (D) Signup and view all the answers

Why do network administrators use VLSM in the DMZ?

To minimize the number of unused host addresses per subnet (D) Signup and view all the answers

What is the primary function of a DMZ in a computer network?

To separate a LAN from untrusted networks, such as the public internet (B) Signup and view all the answers

What is the main consideration when planning subnets?

The number of subnets needed and the number of host addresses required for each network (B) Signup and view all the answers

How is the usable number of addresses calculated in a subnet?

2n – 2 (B) Signup and view all the answers

What is the purpose of a network addressing scheme?

To accommodate the maximum number of hosts for each network and the number of subnets (A) Signup and view all the answers

What is the use of the prefix length /25 in subnetting?

To minimize the number of unused host IPv4 addresses and maximize the number of available subnets (B) Signup and view all the answers

What is the number of subnets and hosts for a subnet mask of 255.255.255.128?

2 subnets, 126 hosts (D) Signup and view all the answers

What is the primary consideration when allocating IP addresses to devices on a LAN?

The number of host addresses required for each network (D) Signup and view all the answers

What is the result of increasing the prefix length in a subnet?

More subnets and fewer hosts (C) Signup and view all the answers