Net+4.2 OB Questions

What are the two main components of an IP address?

• Network ID and Host ID

• MAC Address and IP Address

• Subnet Mask and Gateway

• DNS and DHCP

Fill in the blank: An IPv4 address is subdivided into four groups of 8 bits, known as ______.

• Bytes

• Octets

• Nibbles

• Bits

What is the decimal equivalent of the binary number 11101101?

• 198

• 200

• 202

• 204

Fill in the blank: The binary number 51 is represented as ______ in decimal.

• 110011

• 110010

• 110101

• 110111

What is the maximum possible value for an octet in an IPv4 address?

• 0

• 128

• 255

• 256

Fill in the blank: An IPv4 address can range from 0.0.0.0 to ____.

• 255.255.255.0

• 255.255.255.255

• 0.0.0.255

• 128.128.128.128

What is the primary purpose of a network mask in IPv4?

• To identify the host ID

• To conceal the network ID

• To distinguish between network ID and host ID

• To encrypt the IP address.

Fill in the blank: In IPv4, a network mask is used to distinguish between the _______ and the host ID.

• subnet

• network ID

• IP address

• gateway

What is the default subnet mask for a /24 network?

• 255.0.0.0

• 255.255.0.0

• 255.255.255.0

• 255.255.255.255

Fill in the blank: A /24 network has only ___ possible host addresses.

• 126

• 254

• 512

• 1024