Explain the difference between switch & hub?


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Which statement is true? A. While bridges are used to segment networks, they will not isolate broadcast or multicast packets. B. A bridge looks at every packet within its network segment and works like a hub re-broadcasting the packet if the destination is within its network segment. C. A bridge maintains a table of the IP addresses of the hosts within its network segment and forwards the packet directly to the destination based upon the IP address. D. A bridge resets the hop count by keeping all packets within the network segment. Only packets addressed to a specific destination host outside the network segment are allowed to pass through the bridge.

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Which statement about half duplex Ethernet operations is true? A. With half duplex transmission frames feed into a single cable in one direction at a time. B. Half duplex transmission between stations is achieved by using point to point Ethernet and Fast Ethernet connections C. Half duplex transmission between stations is achieved by using point to munificent Ethernet and Fast Ethernet connections D. Half duplex Ethernet technology provides a transmit circuit connection wired directly to the receiver circuit at the other end of the connection

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Which of the following are examples of the Session Layer? A.) TCP B.) RPC C.) SQL D.) NFS E.) Token Ring

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Which command displays the IPX SAP table? A.) show ipx sap B.) show sap C.) show ipx interface D.) show ipx servers E.) show ipx

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Identify the purpose of the TCP 3 step handshake? A.) Setup a un-reliable connection B.) Initialize routing tables C.) Synchronize sequence numbers between hosts D.) Connection tear down process

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Identify 2 HDLC characteristics? A.) Default serial encapsulation B.) Open standard C.) Supports Stacker compression D.) Supports point-to-point and multipoint

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Which command displays the intenances using a given access list? A. show filters B. show ip interface C. show active lists D. show interface paramaters E. configure ip access lists F. show access-list interfaces

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Given the configuration example: interface ethernet0 ipx network 4a ipx access-group 800 out interface ethernet1 ipx network 3d interface ethernet2 ipx network tc access-list 800 permit 3d 4a Which action result from implementing this configuration? a-Traffic from network 3d for network 4a will be forwarded out e0 b-IPX network 5c will not receive any traffic c-Traffic from network 3d, destined for network 4a, will be forwarded out e2 d-Traffic from network 3d for network 3d will be forwarded out e0

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Identify the command that forces the router to load into ROM mode upon a reload? A.) boot system rom B.) rom boot C.) boot system flash rom D.) boot router rom

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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... :(

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Why is distributed processing useful?

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Which IP address and wildcard mask would you use in your ACL to block all the hosts in the subnet 192.168.16.43/28?

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