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What is the protocol number for TCP?
A.) 80
B.) 21
C.) 11
D.) 6
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thnx Jitender singh...as u told to install a stp in switches and problem vil b get solved...i wanna kno how to install stp in switches?? plz tel me detailled steps... thanx for ur answer.
what the exact definition of Ethernet.plz reply as soon soon as possible
What are the 3 ways routers learn paths to destination networks? A.) Dynamic B.) Static C.) Routing tables D.) Default
Identify the command that displays ethernet0/1 interface status? A.) show interface ethernet0/1 B.) show interface ethernet e0/1 C.) show interface ethernet0.1 D.) show ethernet0/1
After how long keep alive messages exchange in eigrp?
Identify the command that displays the SAP table? A.) show ipx servers B.) display SAP table C.) display SAP's D.) show sap table
Which of the following are examples of the Datalink Layer? A.) LLC B.) SQL C.) TCP D.) Token Ring E.) IP
what is difference between hub and switch?
What is the purpose of the Data Link?
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
what is full form of rst,smtps & http?
What is the icmp protocol?
CCNA 
