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Understanding Topology in Network Connections

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Questions and Answers

What is the primary purpose of the Application layer in the OSI model?

To provide IP addressing for hosts on a network
To break a file into fixed-length segments with port numbers
To reassemble frames in the correct order at the receiver
To define the file format and encryption or compression (correct)

Which of the following is NOT a characteristic of a Personal Area Network (PAN)?

Used for devices like wireless headphones
Range of a few meters
High bandwidth (100 Mbps) (correct)
Wireless connectivity

What is the primary function of the Transport layer in the OSI model?

Defines the file format and encryption or compression
Breaks a file into fixed-length segments with port numbers (correct)
Provides IP addressing for hosts on a network
Reassembles frames in the correct order at the receiver

Which of the following is a characteristic of the TCP protocol?

Adds a sequence number to enable lost frames to be identified (A) Signup and view all the answers

What is the primary function of the Internet layer in the OSI model?

Provides IP addressing for hosts on a network (A) Signup and view all the answers

Which of the following protocols is known for being lightweight and adding minimal overhead to each frame?

UDP (Universal Datagram Protocol) (B) Signup and view all the answers

What is the primary purpose of a physical MAC address?

To direct traffic to its destination within a LAN (B) Signup and view all the answers

What is the significance of the first six hexadecimal digits in a MAC address?

They identify the chip manufacturer (B) Signup and view all the answers

What is the purpose of a default gateway interface MAC address?

To route traffic to the Internet (C) Signup and view all the answers

What is a characteristic of private IP addresses used in LANs?

They are not recognised on the Internet (D) Signup and view all the answers

What is a key difference between physical and logical addressing?

Physical addresses are built into network interface chips, while logical addresses are specified by administrators (C) Signup and view all the answers

What is the purpose of a checksum in a packet?

To verify the integrity of packet contents (C) Signup and view all the answers

What type of network topology is commonly used in Ethernet LANs?

Star or extended star (B) Signup and view all the answers

Which type of network is typically owned by telecommunications companies and covers a town or city?

Metropolitan Area Network (MAN) (B) Signup and view all the answers

What is the primary characteristic of a Point-to-Point network?

One node connected to only one other node (D) Signup and view all the answers