AMCAT Computer Networks 2

Question 1

Which protocol operates at the Network Layer and is used to report errors and send diagnostic messages?

Accepted Answer

ICMP

Answer

TCP

Answer

UDP

Answer

FTP

Question 2

What is the purpose of the three-way handshake in TCP?

Accepted Answer

To establish a reliable connection between client and server

Answer

To encrypt data before transmission

Answer

To fragment large packets for transmission

Answer

To assign IP addresses dynamically

Question 3

Which layer of the OSI model handles MAC addresses and controls access to the physical medium?

Accepted Answer

Data Link Layer

Answer

Physical Layer

Answer

Network Layer

Answer

Transport Layer

Question 4

What is the default port number for HTTPS?

Accepted Answer

443

Answer

80

Answer

21

Answer

8080

Question 5

Which routing protocol uses the Bellman-Ford algorithm to calculate the shortest path?

Accepted Answer

RIP

Answer

OSPF

Answer

BGP

Answer

IS-IS

Question 6

In IPv4, what is the size of an IP address in bits?

Accepted Answer

32 bits

Answer

16 bits

Answer

64 bits

Answer

128 bits

Question 7

Which device operates at all seven layers of the OSI model and is used to connect networks with different protocols?

Accepted Answer

Gateway

Answer

Switch

Answer

Hub

Answer

Router