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overview of the transport layer protocolstransport layer can be available more than protocols to the network
transport layerin computer networking it the transport layer is where sessions are exchanged between hosts this layer resides
dns records and messagestwo types of records are used dns the question records are used in the question section of the query
authoritative dns serversevery organization with publicly accessible hosts such as web server and mail several on
top level domain tld serversthese servers are responsible for top level domains such as com org net edu and going and
root dns serversa root server is a serve which consists of the entire hierarchy of servers a root server usually does
hierarchy of dns serversdns uses a large number of server organized in hierarchical fashion and distribution around the world no single
distribution of dns1by centralized data basethe information contained in the domain name space must be stored a simple design or dns would
internet mail access protocol another mail access protocols is internet mail access protocols version 4 imap4 imap4
post office protocols versionin computing the post office protocol version 3 pop3 is an application layer internet standard
mail access protocolsthe e mail message are usually sent to an email server that stores received message in the
the received messageif we didnt mention another class of header lines that are inserted by the smtp receiving server the
mime the multipurpose internet mail extensionswhile the message headers described in are satisfactory for sending ordinary ascii text
mail message formatwhen an e mail is sent from one person to another a header containing peripheral information precedes the
responsesresponses are sent from the server to the client a responses is a three digit code that may be followed by additional
commands smtp uses commands and response to transfer message between a client and a server each commands or reply
simple mail transfer protocol smtpsmtp is the principal application layer protocol for internet electronic mail it uses the reliable
i have been given a question- any 50 numbers are given and to find out the 1frequency of odd and even numbers 2frequency of positive and
xyz companys executives have approached you to architect design and recommend if they should use an ip network infrastructure for all their
cost savingbetter performance scalability and viability translates into saving for website operators because
high availabilityoracle web cache supports content aware load balancing and fail over detection the features
performancerunning on inexpensive hardware oracle web cache increase the throughput of website by several orders of
the are various limitations of employing wireless lan technology in any multistory building in middle of melbourne or any other big city arebullrange
as configuring of vlans helps in controlling the size of broadcast domains there are some key components of inter-vlan routing such as vlan capable
many benefits of configuring vlan as listed belowbullperformance enhancements it reduces heavy load on the network by permitting operations at lower