Overall - Topic 7 to 19

How many layers are there in the OSI Model?

• 1

• 2

• 4

• 7

Which one of the following is NOT a layer of the OSI model?

• Fiber Optic

• Session

• Network

• Trasnport

Which one is a OSI Model Transport Layer Protocol?

• ICMP

• ARP

• TCP

• IP

How many hexadecimal characters does a MAC address have ?

• 1

• 12

• 48

• 255

Which one of the following is NOT a IPv4 address ?

• 172.1.251.1.

• 172.1.254.1

• 172.1.256.1

• 172.254.253.1

What class is the IP address 172.11.1.1?

• A

• B

• C

• D

What is the class of the following IP 120.1.256.1.11

• A

• B

• C

• D

For 172.1.256.1.11, what is the network ID?

• 172.1

• 172

• 172.1.256

• None

For 111.1.254.1, what is the network ID?

• 111

• 111.1

• 254.11

• 111.1.254

How many classes of IoT devices are there ?

• 3

• 4

• 2

• 1