Sending large files using email can pose a problem. To send a file using email, the file will first have to be uploaded to the mail server. To do so, simply add the file as an attachment. This is the most convenient way to send a file to a friend, family member, or a co-worker, assuming that the file is a small one.
Any file with a file size of more than 500kb may be difficult to send as an attachment. You may still be able to send the file, but there are some inherent problems.
Firstly, since it takes a fair amount of time to upload the file, the uploading will horde your email client. You can't do anything else while the file is uploading. For large files, the process can take several minutes. In addition, the connection may be severed. If that happens, you may have to upload the file all over again. This problem is commonly encountered, especially in a congested network.
Secondly, whoever is at the other end will not enjoying having to download such a huge file. Usually, emails are downloaded in an orderly manner - emails that arrived first will be downloaded first. But if there is a large file in the queue, that email will have to be downloaded (which could take a long time) before all the other emails can be viewed. What happens if there is a very important email in the queue? Whoever is receiving the large email will probably not appreciate the huge download.
Lesson here? Always find an alternative way to transfer huge files. You can send the files via Instant Messengers, or you can use a web based application to do so. You may also upload the files to a web server, and allow the other party to download the files at any time - without jamming up the email queue and hording the email client.
Free file transfer - send file online quickly and easily.
Article Source: http://EzineArticles.com/?expert=Darren_W_Chow
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If you have two or more computers in your home or business, it might be a good idea to network the computers together. This will allow both computers to be online at the same time. It will allow file sharing and printing capabilities, as well as other resources. What is networking, you may ask and how does it work? Computer networking is simply a network of computers that have one gateway and are liked by either wires or wireless procedures in order to have both computers up and running at the same time.
Computer networking can be done in at least two ways. There is connection by LAN cable and then there is a wireless connection. A LAN connection will allow you to physically connect two or more computers together to create a network. This network will allow you to have all computers sharing information and internet connection without having each one manually connected to a certain network. The only type of problem with this connection is that there are a lot of wires that will connect each computer to the network and it you are not careful, you can accidently unplug your network, if the wires are not out of the way.
A wireless network will include a wireless router and will also have a software program that will link the computers into a network. There are no wires going to a router with this one, as there would be with the previous one. No wires to trip over and you will still have the same capabilities as you would with a LAN network. So all your computers, whether or not they are home or business can be connected and allowed to share information and all computers online at the same time.
Article Source: http://EzineArticles.com/?expert=Sanjana_Antony
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Let’s test your knowledge of UDP, TCP, smurf attacks, EIGRP, and more with these questions designed to help you prepare for success on your CCENT, CCNA, CCNP, Network+, and Security+ certification exams!
CCENT Certification / Network+ Certification:
Which of the following protocols runs on both UDP and TCP?
A. DHCP
B. SNMP
C. DNS
D. ARP
E. Inverse ARP
Answer: C. DNS runs on port 53, both on TCP and UDP.
Security+ Certification:
Briefly define the term "smurf attack". (Not too briefly, though!)
Answer: Basically, a smurf attack involves sends ICMP Echo packets (pings) with the intended victim's IP address specified as the source of the Echo packets. This transmission takes the form of a directed broadcast, which means that quite a few hosts can receive it - and then respond with ICMP Echo Replies, which will all be sent to the intended victim.
CCNA Exam:
R1 and R3 are directly connected at their respective Serial1 interfaces via a DTE/DCE cable. What command will tell you whether the interface is connected to the DTE or DCE end of the cable?
Answer: Run show controller serial 1 on either router - the DTE / DCE information is near the top of the output.
CCNP Certification / BSCI Exam:
DUAL has discovered four possible paths to a remote network, with the following metrics: PathA, 1500. PathB, 1500. PathC, 2600. PathD, 3100. What command will allow EIGRP to use the first three paths without using the fourth?
Answer: variance 2 would do the job. Any path with a metric of 3000 or lower will be utilized; setting it to 3 would bring PathD into the equation.
CCNP Certification / BCMSN Exam:
What is the main purpose of IEEE 802.3ac?
Answer: The IEEE 802.3ac standard allows the maximum frame length to be extended to 1522 bytes, which means the dot1q 4-byte header doesn't cause problems in transmission.
CCNP Certification / ONT Exam:
Which queueing strategy gives priority to interactive, low-bandwidth communications by default?
Answer: Weighted Fair Queueing (WFQ) gives priority to interactive, low-bandwidth conversations, and then splits the remaining bandwidth fairly among the remaining conversations.
Look for a new set of Cisco and CompTIA certification exam questions soon!
by: Chris Bryant, CCIE #12933
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