Q1. Which of the following IP address class is Multicast
(A) Class A
(B) Class B
(C) Class C
(D) Class D

Q2. What does broadcasting in networking means?
(A) addressing a packet to all machine
(B) addressing a packet to a particular machine
(C) addressing a packet to some machine
(D) addressing a packet to except a particular machine

Q3. Which of following provides reliable communication?
(A) TCP
(B) UDP
(C) IP
(D) All of these

Q4. What is the use of Bridge in Network?
(A) to separate LANs
(B) to connect LANs
(C) to control Network Speed
(D) All of these

Q5. What is a Firewall in Computer Network?
(A) A web browser
(B) boundary of Network
(C) operating System
(D) A system designed to prevent unauthorized access

Q6. How many layers are in the OSI model?
(A) 4 layers
(B) 5 layers
(C) 6 layers
(D) 7 layers

Q7. What is the natural mask for a class C Network?
(A) 255.255.255.0
(B) 255.255.255.1
(C) 255.255.255.254
(D) All of these

Q8. Which of the following protocol is defined in Transport layer?
(A) TCP
(B) UDP
(C) Both of these
(D) None of these

Q9. How many layers are in the TCP/IP model?
(A) 4 layers
(B) 5 layers
(C) 6 layers
(D) 7 layers

Q10. What is the size of Source and Destination IP address in IP header?
(A) 8 bits
(B) 16 bits
(C) 32 bits
(D) 64 bits

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