ccna
ccna
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121.
by M. Aslam - 2008-10-06
Simple Mail Transfer Protocol (SMTP)Simple Mail Transfer Protocol (SMTP), answering our ubiquitous call to email, uses a spooled, or queued, method of mail delivery. Once a message has been sent to a ...
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122.
by M. Aslam - 2008-10-16
As the world is running so fast the integrity of IT certification is very important to everyone. IT, as an industry and a profession, is largely growing with immense speed. Certifications cannot be a...
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123.
by M. Aslam - 2008-10-25
Routing Routing is a relay system by which packets are forwarded from one device to another. Each device in the network as well as the network itself has a logical address so it can be identified a...
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124.
by Chris Bryant - 2008-11-07
When you started studying for your CCNA certification exam, one of the very first things you learned was the major difference between the enable password and the enable secret - the enable secret ...
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125.
by M. Aslam - 2008-11-19
The basic boot sequence for a Cisco router is: Step 1: The router performs a power-on self-test (POST) to discover and verify the hardware. Step 2: The router loads and runs bootstrap code from ROM....
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126.
by M. Aslam - 2008-11-21
Routers are the critical part of all the networks and can be both security aid and security vulnerability. A router basically has more network interfaces through which network traffic is forwarded. O...
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127.
by M. Aslam - 2008-11-22
A Layer 2 switch, which functions as a transparent bridge, offers no additional links for redundancy purposes. To add redundancy, a second switch must be added. Now two switches offer the transparent...
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128.
by Chris Bryant - 2009-08-10
Just as our switches and routers have certain tests and procedures they run when they boot, so do Cisco IP Phones - but of course, there's a major difference or two between the Phone and router boot p...
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129.
by commsupport Networks - 2009-12-09
As a CCNA / CCNP candidate you are expected to understand the purpose and function of the OSPF protocol. The CCNA / CCNP's exam will ask of you to determine the purpose of the OSPF hello packet, what ...