NAT I Computer Science With Answers

NAT I Computer Science

Sr. # Questions Answers Choice
1 The data transmission mode in which data flows in one direction only is SImplex Half-duplex Full-duplex None of the above
2 Data communication requires a Sender Receiver Medium All of the above
3 A combination of four binary digits is called: Bit Nibble Byte None of the above
4 Data can be in the form of Numbers Images Characters All of the above
5 Which of the following layers in OSI model routes data from sender to receiver? Transport layer Application layer Physical layer Network layer
6 Which of the following is not a function of presentation layer in OSI model? Manage coding schemes Check passwords Provide services for compression of data Provide services for encryption of data
7 The layer next to the application layer in OSI model is Session layer Presentation layer Transport layer
8 This layer is the OSI model provides network services to user applications Physical Transport Application Presentation
9 OSI reference model has 1 Layer 3 layers 6 layers 7 layers
10 This LAN access method that allows multiple devices to talk at once and a protocol determines which device receives priority CSMA/CD CSMA/CS CSMA/CR None of the above
11 The topology in which all nodes are connected to a central wire is called Bus topology Ring topology Star topology Mesh topology
12 There are types of network topologies 2 3 4 5
13 The computer network in which all computers are equal and no one computer is in control is called Client/server network Dedicated server network Peer-to-peer network None
14 Cellular (mobile) phones systems are often LANs MANs WANs None of the above
15 TCP/IP was developed for use in ARPANET in 1970 1973 1983 1993
16 With shielded twisted pair cables a token ring network can operate up to a speed of 4 Mbps 8 Mbps 12 Mbps 16 Mbps
17 The US Department of Defense started the------- in 1969 LAN WAN DARPA Internet
18 A LAN can transmit Computer data Sounds Pictures & videos All of the above
19 Which of the following can be used to join similar types of networks? Bridges and repeater Bridges and routers Repeaters and gateways
20 The protocol developed by IBM for its mainframe computers is named De facto SNA X.25 De hure
Download This Set

Is this page helpful?