Transport Layer

In packet-switched networks, packets are routed based on

• a) The MAC address

• b) The port number

• c) The destination IP address

• d)The source IP address

Which layer of the OSI model does IP operate in?

• a) Data Link
  
  
  

• b) Network

• c) Transport

• d) Application

An IPv4 address consists of how many bits?

• a) 16
  
  
  

• b) 32

• c) 64

• d) 128

Which of the following is a valid IPv4 address?

• a) 256.100.100.1

• b) 192.168.0.256

• c) 192.168.1.1

• d) 2001:0db8:85a3::8a2e:0370:7334

Class A IP address range starts from:

• a) 0.0.0.0 to 127.255.255.255

• b) 128.0.0.0 to 191.255.255.255

• c) 192.0.0.0 to 223.255.255.255

• d) 224.0.0.0 to 239.255.255.255

Which class of IP address is used for multicast?

• a) Class A

• b) Class B

• c) Class C

• d) Class D

What does subnetting help achieve?

• a) Larger broadcast domains

• b) Unlimited IP addresses

• c) Efficient IP address utilization

• d) Increases the size of packets

Which of the following is a valid IPv6 address?

• a) 2001:0db8:85a3::8a2e:0370:7334

• b) 192.168.1.1

• c) 127.0.0.1

• d) 255.255.255.255

Which of the following is NOT a type of IPv6 address?

• a) Unicast

• b) Anycast

• c) Multicast

• d) Broadcast

ARP is used to map:

• a) MAC address to IP address

• b) IP address to MAC address

• c) IP to hostname

• d) Domain name to IPd) Domain name to IP