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 ?
At which layer does DHCP work at ?
All IP addresses are eventually resolved to network interface card addresses. Which of the following is used to map an IP address to a network interface card address? a. WINS b. DHCP c. DNS d. ARP
Command to troubleshoot DNS problems Host name resolution problems:
What is Telnet ?
You have connected a Token Ring Network (4MBit/s) and an Ethernet Network. Copying a 5MB File from Ethernet to Token Ring takes 30 seconds. Copying from Token Ring to Ethernet takes 2 Minutes. Why? a. the Token Ring network is slower b. the packet size is larger with Ethernet than Token Ring. c. the packet size is larger with Token Ring than Ethernet. d. TCP windows size
How do you check the listening ports on a windows box? Command line.
CIDR stands for ? a. Carrier International Domain Routing b. Carrier Independent Domain Routing c. Classless Inter-Domain Routing d. Cross-platform Inter-Domain Routing
Unable to connect to local DB
What does the rpcbind program do ?
What is firewalls?
how to add a new host to DNS?
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