What is the major disadvantage of a star topology?
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You have a class C subnet. You would like divide it up into 5 more subnets by "subnetting" . How many hosts can you have per subnet ? a. 30 b. 31 c. 30 d. 62 e. 126
Which layer begins the process of creating packets?
have any command to shutdown all system in network
You have a class B subnet (128.252.0.0). You want to divide it into 2 subnets. What will the ranges of IPs?
Which command causes name daemon to return to level 0 (debug) ?
What are the 2 functions of the Data Link Mac layer? * Handles access to shared media * Manages protocol access to the physical network medium * Provides SAPs for higher level protocols * Allows multiple devices to uniquely identify one another on the data link layer
Which layer establishes end-to-end connection ? a. network b. transport c. physical d. data-link
what is dns? what is the use and advatages?
What is RSTP?
How do you search for MX records under nslookup ?
What functions does the session layer perform ? a. flow control b. find te best route c. frame building d. communication control such as simlex/half-duples/full-duples and connectionless/connection oriented
Which subdirectory of /usr/lib/mail contains the configuration files for sendmail ?