CCNA Data Center - Introducing Cisco Data Center Networking by Todd Lammle, John Swartz

By Todd Lammle, John Swartz

A must–have examine consultant for examination 640–911 on Cisco′s Unified information heart The Cisco qualified community affiliate facts heart certification is Cisco′s most recent certification, protecting the Cisco Unified facts heart applied sciences. Written through unheard of writer and Cisco authority Todd Lammle, and CCIE John Swartz, this finished examine consultant is vital interpreting for somebody getting ready to take the 640–911 examination (Introducing Cisco facts middle Networking), delivering in–depth assurance of all of the exam′s pursuits. additionally, it deals improved insurance on key subject matters mirrored at the examination.

Addresses figuring out simple networking and ethernet applied sciences stories the OSI and DoD version and TCP/IP shipping Layer Covers uncomplicated IP routing applied sciences, layer 2 switching applied sciences, and routing rules offers an creation to Nexus swap in addition to the best way to configure it CCNA info heart research consultant provides you with entry to extra examine instruments, together with bonus perform tests, digital flashcards, a searchable PDF of a word list of phrases. Plus, it is possible for you to to take advantage of the unfastened nexus simulator to accomplish the entire hands–on labs within the publication.

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The VTP passwords are set incorrectly. B. The VTP feature has not been enabled. C. The VTP domain names do not match. D. VTP is not supported on Nexus switches. 19. RSTP is a great protocol if you are not using Port Channel. Which of the following is true regarding RSTP? ) A. RSTP speeds the recalculation of the spanning tree when the Layer 2 network topology changes. B. RSTP is an IEEE standard that redefines STP port roles, states, and BPDUs. C. 1 delay timers. D. 1 while remaining proprietary.

If fault-tolerance measures have been implemented correctly on a network, it’s highly unlikely that any of that network’s users will know that a problem even existed. Star and Extended-Star Topology A star topology’s computers are connected to a central point with their own individual cables or wireless connections. You’ll often find that central spot inhabited by a device like a hub, a switch, or an access point. Star topology offers a lot of advantages over bus topology, making it more widely used even though it obviously requires more physical media.

B. Each field in an IPv6 address is 16 bits long. An IPv6 address is a total of 128 bits. See Chapter 5 for more information. 3. B, C. The NX-OS allows you to configure only the RSTP and MSTP protocols. See Chapter 12 for more information. 4. C. Flow control allows the receiving device to control the transmitter so the receiving device’s buffer does not overflow. See Chapter 2 for more information. 5. D. An IPv6 address is 128 bits long, whereas an IPv4 address is only 32 bits long. See Chapter 5 for more information.

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