A number when divided by D leaves a remainder of 8 and when divided by 3D leaves a remainder of 21 . What is the remainder left, when twice the number is divided by 3D?

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Define what is schottky diode?

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Why memory width is not 16-bit? In stead of having 8-bit in 8085?

0 Answers   Siemens,

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What is meant by D-FF? What is the basic difference between Latches and Flip flops? What is a multiplexer? How can you convert an SR Flip-flop to a JK Flip-flop? How can you convert an JK Flip-flop to a D Flip-flop? What is Race-around problem? How can you rectify it? Which semiconductor device is used as a voltage regulator and why? What do you mean by an ideal voltage source? What do you mean by zener breakdown and avalanche breakdown? What are the different types of filters? What is the need of filtering ideal response of filters and actual response of filters? What is sampling theorem? What is impulse response? Explain the advantages and disadvantages of FIR filters compared to IIR counterparts. What is CMRR? Explain briefly. What do you mean by half-duplex and full-duplex communication? Explain briefly. Which range of signals are used for terrestrial transmission? What is the need for modulation? Which type of modulation is used in TV transmission? Why we use vestigial side band (VSB-C3F) transmission for picture? When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency? For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit? BPFSK is more efficient than BFSK in presence of noise. Why? What is meant by pre-emphasis and de-emphasis? What do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?

0 Answers   MAHINDRA,

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Explain About RRC states

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How the cellular phone is working?

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What is input offset voltage?

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State assumptions made for analyzing ideal op-amp.

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What do you mean by donor and acceptor impurities?

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which is better in short range commn AM or FM? and why

9 Answers   Cisco,

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• Tell me a bit about the capabilities of Exchange Server. • What are the different Exchange 2003 versions? • What's the main differences between Exchange 5.5 and Exchange 2000/2003? • What are the major network infrastructure for installing Exchange 2003? • What is the latest Exchange 2003 Service Pack? Name a few changes in functionality in that SP. • What are the disk considerations when installing Exchange (RAID types, locations and so on). • You got a new HP DL380 (2U) server, dual Xeon, 4GB of RAM, 7 SAS disks, 64-bit. What do you do next to install Exchange 2003? (you have AD in place) • Why not install Exchange on the same machine as a DC? • Are there any other installation considerations? • How would you prepare the AD Schema in advance before installing Exchange? • What type or permissions do you need in order to install the first Exchange server in a forest? In a domain? • How would you verify that the schema was in fact updated? • What type of memory optimization changes could you do for Exchange 2003? • How would you check your Exchange configuration settings to see if they're right? • What are the Exchange management tools? How and where can you install them? • What types of permissions are configurable for Exchange? • How can you grant access for an administrator to access all mailboxes on a specific server? • What is the Send As permission? • What other management tools are used to manage and control Exchange 2003? Name the tools you'd use. • What are Exchange Recipient types? Name 5. • You created a mailbox for a user, yet the mailbox does not appear in ESM. Why? • You wanted to change mailbox access permissions for a mailbox, yet you see the SELF permission alone on the permissions list. Why? • What are Query Based Distribution groups? • What type of groups would you use when configuring distribution groups in a multiple domain forest? • Name a few configuration options for Exchange recipients. • What's the difference between Exchange 2003 Std. and Ent. editions when related to storage options and size? • Name a few configuration options related to mailbox stores. • What are System Public Folders? Where would you find them? • How would you plan and configure Public Folder redundancy? • How can you immediately stop PF replication? • How can you prevent PF referral across slow WAN links? • What types of PF management tools might you use? • What are the differences between administrative permissions and client permissions in PF? • How can you configure PF replication from the command prompt in Exchange 2003? • What are the message hygiene options you can use natively in Exchange 2003? • What are the configuration options in IMF? • What are virtual servers? When would you use more than one? • Name some of the SMTP Virtual Server configuration options. • What is a Mail Relay? Name a few known mail relay software or hardware options. • What is a Smart Host? Where would you configure it? • What are Routing Groups? When would you use them? • What are the types of Connectors you can use in Exchange? • What is the cost option in Exchange connectors? • What is the Link State Table? How would you view it? • How would you configure mail transfer security between 2 routing groups? • What is the Routing Group Master? Who holds that role? • Explain the configuration steps required to allow Exchange 2003 to send and receive email from the Internet (consider a one-site multiple server scenario). • What is DS2MB? • What is Forms Based Authentication? • How would you configure OWA's settings on an Exchange server? • What is DSACCESS? • What are Recipient Policies? • How would you work with multiple recipient policies? • What is the "issue" with trying to remove email addresses added by recipient policies? How would you fix that? • What is the RUS? • When would you need to manually create additional RUS? • What are Address Lists? • How would you modify the filter properties of one of the default address lists? • How can you create multiple GALs and allow the users to only see the one related to them? • What is a Front End server? In what scenarios would you use one? • What type of authentication is used on the front end servers? • When would you use NLB? • How would you achieve incoming mail redundancy? • What are the 4 types of Exchange backups? • What is the Dial-Tone server scenario? • When would you use offline backup? • How do you re-install Exchange on a server that has crashed but with AD intact? • What is the dumpster? • What are the e00xxxxx.log files? • What is the e00.chk file? • What is circular logging? When would you use it? • What's the difference between online and offline defrag? • How would you know if it is time to perform an offline defrag of your Exchange stores? • How would you plan for, and perform the offline defrag? • What is the eseutil command? • What is the isinteg command? • How would you monitor Exchange's services and performance? Name 2 or 3 options. • Name all the client connection options in Exchange 2003. • What is Direct Push? What are the requirements to run it? • How would you remote wipe a PPC? • What are the issues with connecting Outlook from a remote computer to your mailbox? • How would you solve those issues? Name 2 or 3 methods • What is RPC over HTTP? What are the requirements to run it? • What is Cached Mode in OL2003/2007? • What are the benefits and "issues" when using cached mode? How would you tackle those issues? • What is S/MIME? What are the usage scenarios for S/MIME? • What are the IPSec usage scenarios for Exchange 2003? • How do you enable SSL on OWA? • What are the considerations for obtaining a digital certificate for SSL on Exchange? • Name a few 3rd-party CAs. • What do you need to consider when using a client- type AV software on an Exchange server? What are the different clustering options in Exchange 2003? Which one would you choose

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What are level triggered flip flop?

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