CCNA, Network+, CCNP, And CCENT Practice Exam: Physical Addresses, Hex Conversions, And More!

Computers Articles | January 2, 2008

Test your knowledge of Cisco CCNA, CCENT, CCNP, and CompTIA Network+ topics with these free practice questions from The Bryant Advantage!

Cisco CCENT And Network+ Certification:What do the terms "physical address", "MAC address", and "hardware address" have in common?

Answer: They all describe the same thing – a Data Link layer address. The terms “physical address” and “hardware address” refer to the fact that MAC addresses are physically burned into the network hardware, in this case the Network Interface Card (NIC).

CCNA Certification:Short answer: What's the binary equivalent of the hex value c9?Answer: We've got 12 ("c") units of 16 and 9 units of 1: 192 + 9 = 201. The binary equivalent of 201 is 11001001.CCNA Certification / BSCI Exam:Of the following, traffic for which ports is translated from a broadcast to a unicast when the ip helper-address command has been configured?A. TIMEB. TACACSC. WHOD. SNMPE. TALKF. DNSAnswers: A, B, F. These are the ports that are translated from broadcast to unicast with the ip helper-address command:TIME, port 37; TACACS, port 49; DNS, port 53; BOOTP/DHCP Server, port 67; BOOTP/DHCP Client, port 68; TFTP, port 69; NetBIOS name service, port 137;NetBIOS datagram service, port 138.CCNP Certification / BCMSN Exam:The full command to disable a switch port's ability to transmit DTP frames is ____________.Answer: switchport nonegotiate.CCNP Certification / ISCW Exam:Briefly describe a "DDoS" attack.Answer: A Distributed Denial-Of-Service attack is a typical DoS attack, but one that is carried out by a large number of attackers rather than a single host.CCNP Certification / ONT Exam:A router is configured for DiffServ. Which of the following values can the router consider when performing QoS?A. IP PrecB. CoS markingC. incoming interfaceD. DSCPAnswer: A, C, D. Routers will not use CoS values.

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ABOUT THE AUTHOR

Chris Bryant, CCIE #12933, is the owner of The Bryant Advantage (http://www.thebryantadvantage.com ), home of free CCNA and CCNP tutorials, and The Ultimate CCNA and CCNP Study Packages.

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