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/usr/lib/mail/check-hostname

Which layer is responsible for providing mechanisms for multiplexing upper-layer application, session establishment, and tear down of virtual circuits? * Session * Network * Physical * Transport * Application * Presentation

5 Answers   Cisco, IBM,

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Explain 802.1Q header?.

0 Answers   HCL,

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X windows maps to which OSI layer ? a. application b. presentation c. session d. transport e. network

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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what is an operating system?what are the functions of operating system?give examples of operating system for worsation(clients)and network operating system?

1 Answers  

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what is diffrents betweeen ntfs and fat ?

6 Answers   Infosys, PCS,

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Response of switch when we send different vlan data from different port using same mac id.

0 Answers   HCL,

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The following are the steps toward encapsulation. Put them in order: 1. User input 2. data 3. frame 4. segment 5. datagram 6. bits a. 1-4-2-5-3-6 b. 1-5-4-2-3-6 c. 1-2-3-5-4-6 d. 1-2-4-5-3-6

1 Answers  

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Network adapter card drivers reside in the which sub-layer of the Data Link layer of the OSI model.

1 Answers  

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How do you check the listening ports on a windows box? Command line.

6 Answers   CSC,

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What is spoofing? a. Where a packets claims its source to be other that what its source really is. b. Same as "denial of service" attacks c. Where a machine continually pings another machine d. Where certain broadcasts are passed through a router

1 Answers  

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Define multicast routing?

0 Answers  

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