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$$\small{\overset{{\large{\textbf{Mark Distribution in Previous GATE}}}}{\begin{array}{|c|c|c|c|c|c|c|c|}\hline \textbf{Year}&\textbf{2019}&\textbf{2018}&\textbf{2017-1}&\textbf{2017-2}&\textbf{2016-1}&\textbf{2016-2}&\textbf{Minimum}&\textbf{Average}&\textbf{Maximum} \\\hline\textbf{1 Mark Count}&1&3&2&3&2&3&1&2.3&3 \\\hline\textbf{2 Marks Count}&4&2&3&1&4&3&1&2.8&4 \\\hline\textbf{Total Marks}&9&7&8&5&10&9&\bf{5}&\bf{8}&\bf{10}\\\hline \end{array}}}$$

# Recent questions in Computer Networks

1
Given a mask, M=255.255.255.248. How many subnet bits are required for given mask M? (A) 2 (B) 3 (C) 4 (D)5
2
In context of TCP/IP computer network models, which of the following is FALSE? Besides span of geographical area, the other major difference between LAN and WAN is that the later uses switching element. A repeater is used just to forward bits from one network to another one. IP layer is connected oriented layer in TCP/IP. A gateway is used to connect incompatible networks.
3
Which of the following is not a transceiver function? Transmission and receipt of data Checking of line voltages Addition and subtraction of headers Collision detection
4
A packet switching network is free. can reduce the cost of using an information utility. allows communications channel to be shared among more than one user. both (B) and (C).
5
Three or more devices share a link in ________ connection Unipoint Polarpoint Point to point Multipoint
6
Which protocol finds the MAC address from IP address? SMTP ICMP ARP RARP
7
Bluetooth is an example of: Local area network. Virtual private network. Personal area network. None of the mentioned above
8
A set of rules that governs data communication: Rule Medium Link Protocol
9
The ________ is the physical path over which a message travels. Path Protocol Route Medium
10
Application layer protocol defines: types of messages exchanged rules for when and how processes send and respond to messages message format, syntax and semantics all of the above
11
Which of this is not a network edge device? PC Server Smartphone Switch
12
The first Network: ARPANET. NFSNET. CNNET. ASAPNET.
13
Communication between a computer and a keyboard involves ___________ transmission Simplex Half-Duplex Automatic Full-Duplex
14
Bluetooth is an example of: Personal area network Virtual private network Local area network None of the above
15
The structure or format of data is called Syntax Struct Semantic none of the above
16
A low pass filter is Passes the frequencies lower than the specified cut off frequency Used to recover signal from sampled signal Rejects higher frequencies All of the above
17
If the number of networks and number of hosts in class $B$ are $2^m, (2^n-2)$ respectively. Then the relation between $m,n$ is $3m=2n$ $7m=8n$ $8m=7n$ $2m=3n$
The best known example of a MAN is : Ethernet Cable Television FDDI IEEE $802.3$