computer networks mcq objective questions and answers part1

Q1. What is the address size of IPv6?
(A) 32 bit
(B) 64 bit
(C) 128 bit
(D) 256 bit

Q2. Which of the following is a Networking Device?
(A) Unix
(B) Linux
(C) Android
(D) Router

Q3. A device used to connect two separate Ethernet networks into one extended Ethernet
(A) Router
(B) Bridge
(C) Hub
(D) Switches

Q4. A device that forwards data packets along networks
(A) Router
(B) Bridge
(C) Hub
(D) Switches

Q5. A computer networking device that connects devices together on a computer network, by using packet switching to receive, process and forward data to the destination device.
(A) Router
(B) Bridge
(C) Hub
(D) Switches

Q6. The layer of OSI model that transfers data between adjacent network nodes in a wide area network (WAN) or between nodes on the same local area network (LAN) segment
(A) Network layer
(B) Application layer
(C) Data link layer
(D) Presentation Layer

Q7. Which of the following is not a layer of OSI model?
(A) Network layer
(B) Logical Layer
(C) Data link layer
(D) Presentation Layer

Q8. The layer of OSI model responsible for packet forwarding including routing through intermediate routers
(A) Network layer
(B) Application layer
(C) Data link layer
(D) Presentation Layer

Q9. The layer of OSI model responsible for the delivery and formatting of information to the application layer for further processing or display
(A) Network layer
(B) Application layer
(C) Data link layer
(D) Presentation Layer

Q10. The layer of OSI model which consists the basic networking hardware transmission technologies of a network
(A) Physical Layer
(B) Application layer
(C) Data link layer
(D) Presentation Layer

Q11. Router operates in which layer of OSI Reference Model?
(A) Network layer
(B) Application layer
(C) Data link layer
(D) Presentation Layer

Q12. Which of the following layer of OSI model also called end-to-end layer?
(A) Network layer
(B) Application layer
(C) Transport layer
(D) Presentation Layer

Q13. Bridge works in which layer of the OSI model?
(A) Network layer
(B) Application layer
(C) Data link layer
(D) Presentation Layer

Q14. What is the benefit of the Networking?
(A) File Sharing
(B) Easier access to Resources
(C) Both of these
(D) None of these

Q15. What is the size of MAC Address?
(A) 16-bits
(B) 32-bits
(C) 48-bits
(D) 64-bits

Q16. Repeater operates in which layer of the OSI model?
(A) Physical Layer
(B) Application layer
(C) Data link layer
(D) Presentation Layer

Q17. How many bits are there in the Ethernet address?
(A) 16-bits
(B) 32-bits
(C) 48-bits
(D) 64-bits

Q18. Which layers of the OSI model are host-to-host layers?
(A) Transport, Session, Application, Persentation
(B) Network, Transport, Session, Presentation, Application
(C) Datalink, Network, Transport, Session, Application
(D) Physical, Datalink, Network, Transport, Application

Q19. What is the use of Ping command?
(A) To test a hard disk fault
(B) To test a device on the network is reachable
(C) For debugging
(D) To test a Pinter access

Q20. Which of the following is not the Networking Devices?
(A) Gateways
(B) Unix
(C) Routers
(D) Switches