Choose three reasons why the networking industry uses a layered
model:
A.) It facilitates systematic troubleshooting
B.) It allows changes in one layer to occur without changing
other layers
C.) It allows changes to occur in all layers when changing
one protocol
D.) It clarifies how to do it rather than what general
function to be done
E.) It clarifies what general function is to be done rather
than how to
do it
What's the default CDP holdtime in seconds for Cisco routers? A.) 30 seconds B.) 180 seconds C.) 90 seconds D.) 60 seconds
hi shyam i am putting urs question here I am facing one problem in my layer 2 switch I don’t know the problem is on switch side or client side. The problem is some PC (not all) are stop participate in LAN they don’t send or recd. Packet from switch and if I check RJ45 (with LAN tester)from PC side the packet and 8 pin wire is working fine and after that process of LAN tester I plug RJ 45 in PC now PC start recd/ send packets what is the problem I don’t understand even client side no virus found RJ45 is ok and switch has no problem bcoz other PC is working fine Cable (cat 5 ) is also fine bcoz I didn’t crimp again just check in LAN tester and start working fine. Plz any one solve this matter. And after lan tester process pc is working fine and after 2 or 3 hour it again start same problem and again same process lan tester I have used
Mention the ranges for the private IP?
Regarding frame relay, which of the following statements are true? A.) You must use ANSI encapsulation if connecting to non-Cisco equipment B.) You must use IETF encapsulation if connecting to non-Cisco equipment C.) You must use Q.933a encapsulation if connecting to non-Cisco equipment D.) You must use Cisco encapsulation if connecting to non-Cisco equipment
Which OSI Reference Layer is concerned with path determination? A.) Datalink B.) Physical C.) Network D.) Transport E.) Session
How does the cut-through switching technique work? A.) By using broadcast address as source addresses B.) The switch waits only for the header to be received before it checks the destination address and starts forwarding the packets C.) The LAN switch copies the entire frame into its onboard buffers and then looks up the destination address in its forwarding, or switching, table and determines the outgoing interface D.) By using a Class I repeater in a collision domain
what is router,bridges,hubs?
How IEEE Calculate the Cost of Link (ex.. 10mbps is having Cost 100) Is there any formula or any test to calculate it.
Based upon the 1st octet rule identify the range for a Class A address? A.) 1 - 126 B.) 192 - 223 C.) 128 - 191 D.) 1 - 191
Hi Jitendera, I continuously read your answers which is more knowlegable than books... Q.I am facing some problems in subnetting.can you plzz explain the subnetting process.. will be remain thankful
what is frame realay.is it a circit switching technolgy if no then what technolgy it used
You are given the IP address of 172.16.2.160 with a subnet mask of 255.255.0.0. What is the network address in binary? A. 10101100 00010000 B. 00000010 10100000 C. 10101100 00000000 D. 11100000 11110000