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Computer Networks - Network Fundamentals

11:

A network that contains multiple hubs is most likely conigured in which topology ?

A.	Mesh
B.	Tree
C.	Bus
D.	Star
	Answer Report Discuss
	Option: B Explanation : Tree topology is a variation of star topology. Tree topology consists ofmultiple hub, one is primary hub and remaining are secondary hubs. Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

12:

A packet-switching network

A.	is free
B.	can reduce the cost of using an information utility
C.	allows communications channel to be shared among more than one user
D.	Both (b) and (c)
	Answer Report Discuss
	Option: D Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

13:

IEEE Project 802 divides the data link layer into which upper sublayer and which lower sublayer ?

A.	LLC, MAC
B.	MAC, LLC
C.	PDU, HDLC
D.	HDLC, PDU
	Answer Report Discuss
	Option: A Explanation : IEEE project 802 divides the data link layer into two sub layer logical link control (LLC) and Medium access control (MAC). Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

14:

One important characteristics of the hub architecture of ARC - net is

A.	directionalized trasmission
B.	access control and addressing
C.	multiple virtual networks
D.	alternate routing
	Answer Report Discuss
	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

15:

Which of the following device is used with an X-25 network to provide service to asynchronous terminals ?

A.	Repeater
B.	Bridges
C.	Gateway
D.	Packet assembled
	Answer Report Discuss
	Option: D Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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