Cisco CCNA CCENT Exam 640-802, 640-822, 640-816 Preparation by Dale Liu

By Dale Liu

3 assessments, certifications, one entire Cisco education resolution for networking execs! The CCNA examination is an entry-level IT certification from Cisco structures for pros fitting and conserving direction and switched networks. the present examination fabric covers networking thoughts besides new and up to date content material on community protection basics and the fundamentals of instant networking. This publication can be utilized as a learn advisor for both music you opt to obtain your CCNA - the only examination, 640-802 or the mixed 640-822 and 640-816, and for the CCENT certification which a scholar will obtain upon crowning glory of the 640-822 examination. the writer workforce has prepared the content material for you to simply establish the ambitions for every 1/2 the mixed examination. * structure of the advisor parallels the CCNA/CCENT examination pursuits for ease of research * info all features of the checks together with safeguard and instant networking necessities * Covers every little thing from introductory to complicated topics-keeping the newbie and intermediate IT expert in brain * bankruptcy finishing questions and solutions permit for graduated studying * perform checks at the accompanying DVD support put off test-day jitters

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254. It does not assign an address for the gateway router so no Internet access is permitted; see RFC 3972 for complete detail. It was introduced in Windows 98 Second Edition and other operating systems near the end of the 90s. APIPA was intended to allow access to local resources when the Dynamic Host ­Configuration Network Types ­ rotocol (DHCP) server was not available. Even though this uses what is P apparently a public IP address range, it is not a risk due to the fact that it does not route traffic to the Internet, as there is not gateway address set.

15 Cisco Router Routing Table without Gateway Set and puts it back on the network for the client. If you are in an environment that has routers separating buildings DHCP packets would not cross the router as routers block broadcast traffic and DHCP is a broadcast protocol. To pass this traffic you would need a special service called a DHCP Relay server. This server listens for DHCP broadcasts and makes them a dedicated unicast packet and sends it to the DHCP server on the other side of the router and waits for the answer packet and turns it back into a broadcast.

Pick two answers. A. Patch panel not wired correctly B. Server not online C. Length of wire from end point to end point D. Electromagnetic interference 4. You are given the number 229 in decimal notation and are asked to convert it to binary, what would the correct binary notation be? A. 11011110 D. 10101010 B. 11100101 E. 11001111 C. 00100111 5. What is the maximum number of combinations that you can combine in an 8-bit number? A. 1,024 D. 256 B. 2,048 E. 100 C. 254 6. You are the administrator of a small business network.

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