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Computer Network Interview Questions - 1

This Test will cover Computer Networks Concepts.
Q. Choose the best matching between both columns.
P. Data Link Layer1. Ensures reliable transport of data over a Physical point-to-point link.
Q. Network Layer2. Encodes/Decodes data for physical transmission.
R. Transport Layer3. Allows end-to-end communication between two processes.
4. Routes data from one network node to the next.
Q. Which of the following is not a client-server application?
Q. The maximum window size for data transmission using the selective reject protocol with n-bit frame sequence number is:

Q. In a network of LANs connected by bridges, packets are sent from one LAN to another through intermediate bridges. Since more than one path may exist between two LANs, packets may have to be routed through multiple bridges. Why is spanning tree algorithm used for bridge-routing?
Q. In Ethernet when Manchester encoding is used, the bit rate is:
Q. There are n stations in a slotted LAN. Each station attempts to transmit with a probability p in each time slot. What is the probability that only one station transmits in a given time slot?
Q. Which of the following assertions is false about the Internet Protocol(IP)?
Q. Which of the following functionalities must be implemented by a transport protocol over and above the network protocol?
Q. Which of the following is not true with respect to a transparent bridge and a router?

Q. The Address Resolution Protocol(ARP) is used for:
Q. For which one of the following reasons does Internet Protocol(IP) use the time-to-live(TTL) field in the IP datagram header?
Q. What is the maximum size of data that the application layer can pass on to the TCP layer below?
Q. Which of the following system calls results in the sending of SYN packets?
Q. In a packet switching network, packets are routed from source to destination along a single path having two intermediate nodes. If the message size is 24 bytes and each packet contains a header of 3 bytes, then the optimum packet size is:
Q. In the slow start phase of the TCP congestion control algorithm, the size of the congestion window

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