Practice MCQs on OSI model, TCP/IP, routing, switching, and network protocols for C-CAT computer networks preparation. Essential revision material for C-CA...
Question 1 of 8
Q1
How many layers does the OSI model have?
The OSI model has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
Q2
Which transport protocol is connection-oriented and reliable?
Correct answer: TCP.
Q3
What is the default port number for HTTPS?
HTTPS uses port 443 by default; HTTP uses port 80.
Q4
A switch forwards frames based on which address?
Correct answer: MAC address.
Q5
RIP (Routing Information Protocol) is an example of which routing approach?
RIP (Routing Information Protocol) is a Distance Vector routing protocol using hop count.
Q6
Which error detection method is most effective at catching burst errors?
CRC (Cyclic Redundancy Check) is the most effective method for detecting burst errors.
Q7
How many usable host addresses exist in a /24 subnet?
A /24 subnet has 256 total addresses; subtract 2 (network and broadcast) for 254 usable hosts.
Q8
What switching technique does the modern internet primarily use?