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You want sendmail to attempt to re-deliver previously undelivered mail (e.g. the receving mail server was down) every 30 minutes. Which option and value would you use with the sendmail deamon ?
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what have u been doing for the past six months?
You have a Class C network. You have subnetted it into 14 subnets. How many hosts per subnet do you have ?
Give one disadvantage of a peer to peer network?
Which protocol translates IPs to MAC addresses ?
IP is built into the system's ?
What IP network addresses are set-aside for class B (for private use)? a. 128.0.0.0 (mask 255.255.0.0) b. 128.252.0.0 (mask 255.255.0.0) c. 172.16.0.0 (mask 255.240.0.0) d. 172.16.0.0 (mask 255.255.0.0) e. 172.240.0.0 (mask 255.255.0.0)
User Datagram Protocol (UDP) is __ and __ a. connectionless, stateless b. connection-orineted, stateless c. connection-oriented, stateful d. connectionless, stateful
List 2 available "actions" that can be specified in the nsswitch.conf file .
You try "ping server1" and you get "no answer from server1". Why ? (assume that your machine resolved the name correctly).
Which frame type use DSAPs and SSAPS to identify the upper layer protocols ? a. 802.1d b. 802.2 c. 802.3 d. 802.3u
You do not want to use any of DNS, NIS, NIS+ to resolve names. You just want to use /etc/hosts files. Which file should you copy to /etc/nsswitch.conf ?
What network topology is at the exhibit (Exhibits looks like a star of David) ?
Networking Protocols 
