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Do you feel a or you think you've lost a contact? Does the thought of each year you get older, frighten you? you can't even walk to the bathroom at night without searching for your glasses first? Do you dream about like, reading the paper, using the computer, and driving if you had sharper vision? Each year, at the time of your eye visit, do you resent – sometimes purchasing multiple pairs to get you through the next year? Have you thought about getting eye surgery, but are
William Horatio Bates (1860-1931) first published his treatise, The Cure of Imperfect Sight by Treatment Without Glasses (title page), also known as Perfect Sight Without Glasses (cover), in 1920. In 1943, Dr. Bates's wife Emily Bates had an abridged version of the book published under the title Better Eyesight Without Glasses. That book, which is still in print (by Henry Holt), omitted many experimental details, most scholarly references, and all photographs. It also omitted references to the supposed safety of looking directly at the sun (an omission that is repeated in this electronic version). In 1978, after the copyright on the original edition had expired, Health Research Books began to sell reprints, which are still available.
The CCNA R&S certification validates the ability to install, configure, operate, and troubleshoot medium-size routed and switched networks. CCNA certified professionals have the knowledge and skills to make connections to remote sites via a WAN, and mitigate basic security threats. CCNA R&S training covers (but is not limited to) the use of these topics: IOS, IPv6, IPv4, OSPF, Cisco Licensing, Enhanced Interior Gateway Routing Protocol (EIGRP), Serial Line Interfaces, Frame Relay interfaces VLANs, Ethernet, VLSM, and basic traffic filtering.
Interconnecting Cisco Networking Devices Part 1 Exam Description The 640-822 Interconnecting Cisco Networking Devices Part 1 (ICND1) is the exam associated with the Cisco Certified Entry Network Technician certification and a tangible first step in achieving the Cisco Certified Network Associate certification. Candidates can prepare for this exam by taking the Interconnecting Cisco Networking Devices Part 1 (ICND1) v1.1 course. This exam tests a candidate's knowledge and skills required to successfully install, operate, and troubleshoot a small branch office network.