Explain 802.1Q header?.
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You have a Class C network. You have subntted it into 14 subnets. What is the subnet mask?
what is spyware,firmware?
What agent accepts messages from mail user agent. resolves destinations addresses, selects proper mailer to deliver mail, and receives incoming mail from other mail transfers agents.
System that stores mailboxes in local /var/mail is called what type of server ?
Which options of the sendmail daemon causes it to listen on SMTPport ?
What is the the advantage of address sharing?
Dear Friends, Pl. Want System Administration Interview Quesiton and Answer. Pl. Give me some URL or Post Responsibilities of System Administration
Which script reads the /etc/hostname.xxx(interface) to bring up interfaces ?
True/false: If you can telnet between 2 Solaris machines, all 7 OSI layers are working.
Choose three reasons why the networking industry uses a layered model: * It facilitates systematic troubleshooting * It allows changes in one layer to occur without changing other layers * It allows changes to occur in all layers when changing one protocol * It clarifies how to do it rather than what general function to be done * It clarifies what general function is to be done rather than how to do it
What does the receiving host do with packets when it is using a connection-oriented protocol ? a. acknowledges only the first and last packet, puts the packets in their proper order. b. acknowledges only the first and last packet, discards in any packet that have arrived out of sequence. c. acknowledges each packet and puts the packets in their proper order. d. acknowledges each packet and discards in any packet that have arrived out of order
You have a class C subnet. You would like divide it up into 8 more subnets by "subnetting" ? What would be the subnet mask ? a. 255.255.255.192 b. 255.255.255.224 c. 255.255.255.240 d. 255.255.255.248 d. 255.255.255.252