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 ?
What connectivity device typically work at the Application layer of the OSI model?
Where does sys_unconfig reside ?
what is the difference b/w CIDR AND VLSM?
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
Can you please explain the difference between straight-through and crossover cable?
PPP is an extension of ? a. FRAME RELAY b. SDLC c. HDLC d. LAPB
List 4 session layer standards
You have divided your class C network into 6 subnets. Your subnet mask is 255.255.255.224. What are the ranges of IPs for your subnets ? Your Network address before subnetting was 200.252.144.0 a. 32-62, 64-93, 96-125, 128-157, 160-189, 192-221 b. 33-63, 65-94, 97-126, 129-158, 161-190, 193-222 c. 34-64, 66-95, 98-127, 130-159, 162-191, 194-223 d. 35-65, 67-96, 99-128, 131-160, 163-192, 195-224
What is flow control ? a. To keep the transmitting device from transmitting no faster than the receiving device can receive. b. To find the best route to a destination c. To determine which machine transmits packets on the wire on a given instance. d. To be able to send a beacon message when congestion occurs.
if the server has slow how to check the server performance? How to check server performance what is the procedure?
What servers are authoritative for domains they serve.
Which command allows you to monitor the routing requests that are not getting resolved from the routing table ?