Computers, Cisco CCNA, CCNP, And CCENT Practice Questions: MAC Addresses, BGP, And More!
CCNA And CCENT Exam:
Short answer: In the MAC address aa-bb-cc-11-22-33, what portion is the OUI?
Answer: aa-bb-cc. The first half of the MAC address is the Organizationally Unique Identifier.
CCNP Certification / BSCI Exam:
Identify the optional transitive BGP attributes.
A. origin
B. next-hop
C. LOCAL_PREF
D. AS_PATH
E. aggregator
F. atomic aggregate
G. community
H. MED
Answer: E, G. Community and aggregator are the two transitive optional BGP attributes, "transitive" meaning that their values will be carried from one AS to another. MED is the only optional non-transitive attribute.
CCNP Certification / BCMSN Exam:
Short answer: Briefly describe the purpose and operation of DHCP Snooping.
Answer: DHCP Snooping is a method of detecting rogue DHCP servers and minimizing or eliminating their impact on the network. DHCP Snooping determines whether a DHCP device is trusted or untrusted, and only DHCP messages from trusted devices are passed through the switch.
CCNP Certification / ISCW Exam:
Short answer: What term is used to describe a router with some interfaces in a "normal" IP network, and other interfaces in a Multiprotocol Label Switching network?
Answer: This is an Edge Label Switch Router, or Edge LSR.
CCNP Certification / ONT Exam:
Short answer: What is the default DSCP setting?
Extra credit: Of the 8 bits in the ToS field, which bits comprise the DSCP?
Answers: The default DSCP setting is zero. From left to right, the first six bits of the ToS field comprise the DSCP value (the six "most significant bits").
Look for more free Cisco certification exam questions on this same website!
Chris Bryant, CCIE #12933, is the owner of The Bryant Advantage, home of free CCNP and CCNA tutorials, The Ultimate CCNA Study Package, and Ultimate CCNP Study Packages.
You can also visit his blog, which is updated several times daily with new Cisco certification articles, free tutorials, and daily CCNA / CCNP exam questions!
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Related Tags: certification, exam, ccna, cisco, ccnp, mac, origin, bsci, ont, iscw, address, oui, bcmsn, ccent, attribute, bgp
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