Computer Networks Quiz

Question 1

How many layers are in the OSI model?

Accepted Answer

7

Answer

4

Answer

5

Answer

8

Question 2

Which protocol is connection-oriented and reliable?

Accepted Answer

TCP

Answer

UDP

Answer

IP

Answer

ICMP

Question 3

At which OSI layer does a router primarily operate?

Accepted Answer

Network (3)

Answer

Data Link (2)

Answer

Transport (4)

Answer

Application (7)

Question 4

What does the TCP three-way handshake consist of?

Accepted Answer

SYN, SYN-ACK, ACK

Answer

SYN, ACK, FIN

Answer

GET, POST, PUT

Answer

REQUEST, GRANT, RELEASE

Question 5

What is the purpose of DNS?

Accepted Answer

Translating domain names to IP addresses

Answer

Encrypting web traffic

Answer

Routing packets between networks

Answer

Assigning IP addresses to hosts

Question 6

How many bits are in an IPv4 address?

Accepted Answer

32

Answer

16

Answer

64

Answer

128

Question 7

Which HTTP status code means "Not Found"?

Accepted Answer

404

Answer

200

Answer

301

Answer

500

Question 8

For real-time video streaming where some packet loss is acceptable, which transport protocol is preferred?

Accepted Answer

UDP

Answer

TCP

Answer

FTP

Answer

SMTP

Question 9

What does a subnet mask do?

Accepted Answer

Separates the network and host portions of an IP address

Answer

Encrypts the network portion of traffic

Answer

Compresses IP headers

Answer

Assigns MAC addresses

Question 10

Which layer of the TCP/IP model does HTTP belong to?

Accepted Answer

Application

Answer

Transport

Answer

Internet

Answer

Link

Computer Networks quiz

How many layers are in the OSI model?

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