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Which statement about an IP network is true?
A. A broadcast source MAC address contains all zeros
B. A MAC address is part of the physical layer of the OSI model
C. MAC addresses are used by bridges to make forwarding
decisions. IP address are used by routers.
D. IP addresses allow a flat addressing scheme. MAC
addresses use a hierarchical addressing scheme.
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the situation iz like ths -at a specific time in our company the internet connectivity goes off...v hav two networks in our company...but out of it only one link goes down for 5-10 sec...a fastethernet port becomes down for few sec and automatically becomes Up... Is this occures becoz of Power?? If yes thn y the 2nd network is not affected??
What command would show the version of the IOS that you are running? A.) show nvram B.) show version C.) show startup-config D.) show ios E.) ver -a F.) show ram
You are conferring a Frame Relay router with subinterfaces on interface Serial 0 Which subinterfaces numbers could you use for this configuration? A. 1 and 2 B. 0 2 and 0 3 C. 1 0 and 1 1 D. 0 1 a and 0 1
What is the default LMI type? A.) Cisco B.) ANSI C.) IETF D.) Q933a
What field tells the Internet layer how to handle an IP packet? A. Type of Service B. Identification C. Flags D. Frag Offset
Identify the 3 Internet layer IP protocols? A.) NetBios B.) IPX C.) ARP D.) IP E.) RARP
My ccna certification is allready expried but I could not apper the ccnp exam due to some personal problem. Currently i am working as network administrator .Can it create any problem for my next job . and how can i apper he ccnp exam. Please help me and give me what is the solution.
The Internet Protocol (IP) occurs at what layer of the seven layer model? A.) Physical B.) Presentation C.) Network D.) Datalink E.) Session F.) Transport
Referring to the commands shown, what command must next be used on the branch router prior to traffic being sent to the router router?
In the setup dialog, what do the square brackets indicate? A. current or default spores B. hard coded values that cannot be modified C. values entered by the administrator but not saved D. values that must be written to NVRAM before becoming enabled
What key do you use to view the last command? A.) Ctrl+X B.) Ctrl+Z C.) Ctrl+E D.) Ctrl+P
hi... i am a beginner to CCNA... i find it hard understandin collision domain n broadcast domain.. please don tell me the definition.. i read the definitions many times... i need a more detailed explanation... like whn i read the definition it sounds simple... but i don understand whn they say it like a hub has one collision domain and one broadcast domain... and if collisions happen inside collision domain... i am confused... please help me... :(
CCNA 
