PRACTICE • LEARN • GROW
Module 2 Final Quiz: Network Reference Models MCQs
Solve topic-wise placement questions and improve your skills.
Module 2 Final Quiz: Network Reference Models Progress
0 of 10 completed
0%
Topic Track
You are viewing MCQs in preview mode. Log in to select options, submit answers, and track your progress.
Log In to Answer
1
What are the names of the Protocol Data Units (PDUs) at the Transport, Network, and Data Link layers respectively?
A.
Bits, Packets, Frames
B.
Segments (or Datagrams), Packets, Frames
C.
Frames, Packets, Segments
D.
Messages, Bytes, Signals
Explanation & Key
Correct Answer:
2
Which layer of the OSI model handles data compression, ASCII-to-Unicode conversion, and encryption/decryption (TLS)?
A.
Session Layer (Layer 5)
B.
Presentation Layer (Layer 6)
C.
Application Layer (Layer 7)
D.
Transport Layer (Layer 4)
Explanation & Key
Correct Answer:
3
What is Protocol Encapsulation in network transmission?
A.
Compressing a file with ZIP before sending
B.
The process where each descending layer appends its own control header (and trailer) to the data received from the layer above
C.
Encrypting hard drives on disk
D.
Removing headers on receipt
Explanation & Key
Correct Answer:
4
How many layers exist in the TCP/IP reference model, and which OSI layers are merged into its Application layer?
A.
5 layers; merges Data Link and Physical
B.
4 layers; merges OSI Application, Presentation, and Session layers into one single Application layer
C.
7 layers; exact identical duplicate of OSI
D.
3 layers; merges Transport and Network
Explanation & Key
Correct Answer:
5
Which OSI layer is responsible for dialogue control, token management, and synchronizing checkpoints in communication sessions?
A.
Session Layer (Layer 5)
B.
Transport Layer (Layer 4)
C.
Network Layer (Layer 3)
D.
Presentation Layer (Layer 6)
Explanation & Key
Correct Answer:
6
Why did the TCP/IP model triumph over the OSI model in commercial real-world implementation?
A.
OSI was banned by international law
B.
TCP/IP was developed through practical, open working code on ARPANET and deployed earlier, while OSI suffered from bureaucratic delays and over-complexity
C.
TCP/IP does not require physical cables
D.
OSI only supported European languages
Explanation & Key
Correct Answer:
7
At which layer of the OSI model does an IP router make its forwarding decisions?
A.
Data Link Layer (Layer 2)
B.
Network Layer (Layer 3)
C.
Transport Layer (Layer 4)
D.
Session Layer (Layer 5)
Explanation & Key
Correct Answer:
8
What is Decapsulation?
A.
The process on the receiving host where each layer parses and strips off its corresponding protocol header before passing payload upwards
B.
Deleting corrupted packets in memory
C.
Physical cable detachment
D.
Disconnecting from WiFi
Explanation & Key
Correct Answer:
9
Which layer of the OSI model provides end-to-end error recovery and flow control between source and destination applications?
A.
Network Layer (Layer 3)
B.
Transport Layer (Layer 4)
C.
Physical Layer (Layer 1)
D.
Presentation Layer (Layer 6)
Explanation & Key
Correct Answer:
10
Which protocol operates at the Internet layer of the TCP/IP suite to report errors like 'Destination Host Unreachable'?
A.
ARP
B.
ICMP (Internet Control Message Protocol)
C.
BGP
D.
DHCP
Explanation & Key
Correct Answer:
Question Palette
Answered
Current
Not Attempted
Wrong
