Documents

Mcqs All Computer

Description
mcqs computers
Categories
Published
of 88
All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you.
Related Documents
Share
Transcript
  1) Which of the following is considered a broad bandcommunicationchannel ? a.coaxial cableb.fiber opticscablec.microwave circuitsd.all of above Answer = D2) Which of the following does not allow multiple uses or devices to shareonecommunicationline? a.doubleplexerb.multiplexerc.concentratord.controller Answer = A3) Which of the following is required to communicate between two computers ? a.communicationssoftwareb.protocolc.communicationhardwared.all of above including access totransmissionmedium Answer =D4) Whichof the following is an advantage to usingfiber opticsdatatransmission? a.resistance to data theftb.fast datatransmissionratec.low noise leveld.all of above 5) Theinteractivetransmissionof data within atime sharingsystem may be best suited to ? a.simplex linesb.half-duplex linesc.full duplex linesd.biflex-lines Answer = B6) The optical fiber trans-Atlantic cable TAT-14 includes a section from Bude, Cornwall toTucker ton, New Jersey. Determine the propagation delay if the route length is 6,254 km. ? a.31.98 msb.3.198 ms.c.31.27 msd.312.7 ms Answer = C7) Manchester encoding is principally designed to ? a.ensure that the line remains unbalanced.b.have more than onesymbol per bit period.  c.increase the bandwidth of a signal transmitted on the mediumd.ensure that a transition occurs in the center of each bit period. Answer = D8) A router ? a.forwards a packet to all outgoing links.b.forwards a packet to all outgoing links, except the link upon which the packet originatedc.forwards a packet to the next free outgoing linkd.determines on which outgoing link a packet is to be forwarded. Answer = D9) Telephone systems may be classified as ? a.simplex and symmetrical.b.duplex andasymmetrical.c.simplex and asymmetrical.d.duplex and symmetrical. Answer = D10) Which of the following signal is not standard RS-232-C signal ? a.VDRb.RTSc.CTSd.DSR Answer =A1) Which of the following is not a type ofComputer Network? a.Local Area Network(LAN)b.Personal Area Network (PAN)c.Remote Area Network (RAN)d.Metropolitan Area Network (MAN) Answer = cExplanation: TheTypes ofComputer Networksare LAN, MAN, PAN, WAN, CAN but RANRemote Area Network is not a type of CN.2) Full Form of NIC? a.NewInternet Connectionb.Network Interface Cardc.Network Interface Connectiond.Net Interface Card Answer =BExplanation: NIC isNetwork Interface CardWhich is Used to Connect Computer to a Network.  3) Which of the following are type of Twisted Pair Cable? a.Coaxial Cableb.Shielded Twisted Pair (STP)c.Unshielded Twisted Pair (UTP)d.Only B and C Answer = DExplanation:STP and UTP are type of Twisted Pair Cable which are mostly used in all Networks.4) _________ Supports Data Rate Upto1000 Mbps Gigabyte Ethernet. a.CAT 1b.Thinnetc.CAT 5d.CAT 5e Answer = DExplanation: CAT 5eis also Know As 1000 Mbps Gigabyte Ethernet andSupports Data RateUpto 1000 Mbps.5) Which Color Coding of Cable isusedto Connect Similar Devices? a.StraightCableb.Cross Over Cablec.Serial Cabled.All of Above. Answer = BExplanation: Cross Over Color Coding of UTP Cable is Used to connect Similar Devices like HUBto HUB, PC to PC, Switch To Switch.6) HUB is a _________ Device and Switch is a ________ Device. a.Unicast, Multicastb.Malticast, Unicastc.Broadcast, Unicastd.None of Above Answer = CExplanation: Hub is a Broadcasting Device and Switch is a Unicasting Device because Switchhave Memory Element to Store MAC Address.7) Switch is a Device of _________Layer of OSI Model. a.Network Layerb.Data LinkLayerc.ApplicationLayerd.Session Layer Answer = BExplanation: Switches Operate OnTheSecond Layer of OSI Model That isData LinkLayer.  8) Star Topology is Based On a Central Device that can be __________ ? a.HUBb.Switchc.Only Ad.Both A and B Answer = DExplanation: HUB and Switch are used in Star Type Networks.9) TCP/IP is also well known as _______. a.OSI Modelb.TCP Modelc.DOD Modeld.Network Model Answer = CExplanation: TCP/IP Model is also known as DODmodel.10) IPX/SPX is used in ______________. a.Novell's Netware Networkb.Mac-Macintoshc.Appled.Microsoft Answer = AExplanation: IPX/SPX-Internet PacketExchanger/SequencedPackageExchangeris used inNovell's Netware Network.
Search
Tags
Related Search
We Need Your Support
Thank you for visiting our website and your interest in our free products and services. We are nonprofit website to share and download documents. To the running of this website, we need your help to support us.

Thanks to everyone for your continued support.

No, Thanks
SAVE OUR EARTH

We need your sign to support Project to invent "SMART AND CONTROLLABLE REFLECTIVE BALLOONS" to cover the Sun and Save Our Earth.

More details...

Sign Now!

We are very appreciated for your Prompt Action!

x