Choose three reasons why the networking industry uses a layered model: * It facilitates systematic troubleshooting * It allows changes in one layer to occur without changing other layers * It allows changes to occur in all layers when changing one protocol * It clarifies how to do it rather than what general function to be done * It clarifies what general function is to be done rather than how to do it

2 Answers   Cisco, Infitec,

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True or False: The purpose of each layer of the OSI is to provide services to the next lower level?

1 Answers  

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VLSM stands for ?

1 Answers  

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What does the MAC sublayer of the Data Link Layer do ? (choose all that apply) a. builds frames b. checks to see that nothing got damaged in transit by CRC c. determines "which machine goes first on the wire" d. provides path to the destination host e. Gets data on and off the wire

1 Answers  

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You have divided your class C network into 6 subnets. Your subnet mask is 255.255.255.224. What are the ranges of IPs for your subnets ? Your Network address before subnetting was 200.252.144.0 a. 32-62, 64-93, 96-125, 128-157, 160-189, 192-221 b. 33-63, 65-94, 97-126, 129-158, 161-190, 193-222 c. 34-64, 66-95, 98-127, 130-159, 162-191, 194-223 d. 35-65, 67-96, 99-128, 131-160, 163-192, 195-224

1 Answers  

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Which host - delivers mail between domains.

1 Answers  

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What is the command to start a service in Windows from command line?

5 Answers  

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PPP is an extension of ? a. FRAME RELAY b. SDLC c. HDLC d. LAPB

1 Answers  

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How can I know which user having group policy?

2 Answers  

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How to a software deploy in sales OU?

1 Answers  

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You have a few machine on remore location. Uplink bandwidth is premium. You want to reduce name lookup traffic as much as possible. Which should you do ?

1 Answers  

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What protocol is used to convert IP addresses to MAC addresses ? a. IP b. ARP c. RARP d. InARP e. appletalk

1 Answers  

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