What is the primary reason IPv6 was introduced despite the widespread use of IPv4?

• Higher security

• Faster data transmission

• Lower cost

• Larger address space

How many bits are in an IPv4 address?

• 16

• 32

• 64

• 128

In a Class A IPv4 network, which part is reserved for network identification?

• Last byte

• Middle byte

• Second byte

• First byte

Why are IP addresses divided into octets?

• To increase network speed

• To make addressing simpler

• To improve human readability

• To reduce bandwidth usage

What is the purpose of subnetting?

• To expand IP address availability

• To divide networks into smaller segments

• To increase routing complexity

• To eliminate broadcast domains

What is the subnet mask for a /26 prefix?

• 255.255.255.128

• 255.255.255.224

• 255.255.255.192

• 255.255.255.240

What type of network communication is used for one-to-one transmissions?

• Multicast

• Broadcast

• Anycast

• Unicast

Which IP range is reserved for multicast communication?

• 192.168.0.0 – 192.168.255.255

• 10.0.0.0 – 10.255.255.255

• 224.0.0.0 – 239.255.255.255

• 172.16.0.0 – 172.31.255.255

What device is responsible for interconnecting different networks?

• Hub

• Router

• Switch

• Repeater

What is an advantage of a dedicated leased line?

• Higher speed

• Exclusive use of bandwidth

• Lower cost

• Simplicity of setup