Cisco,CCNA,CCNP,And,CCENT,Prac computer Cisco CCNA, CCNP, And CCENT Practice Questions: Frame Relay
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Lets test your knowledge of Frame Relay DLCIs, Inverse ARP, IPv6 zero compression, and other vital Cisco certification exam topics!CCENT Certification:Identify the true statement(s) regarding Frame Relay mapping.A. Always map the local DLCI to the local IP address.B. Always map the local DLCI to the remote IP address.C. Always map the remote DLCI to the local IP address.D. Always map the remote DLCI to the remote IP address.E. To allow dynamic mapping, Inverse ARP must be enabled.F. To allow dynamic mapping, Inverse ARP must be disabled.Answers: B, E. The frame map statement should reference a local DLCI and a remote IP address. For example, to map the local DLCI 122 to the remote IP address 172.12.123.2, we'd use this command on the Serial interface used to reach that address:R1(config-if)#frame map ip 172.12.123.2 122 broadcastInverse ARP does enable dynamic mapping, but most Frame networks use static routing. It can be a pain to mix static and dynamic mappings, especially when a router is reloaded, so most network admins disable dynamic mapping with this command:R1(config-if)#no frame-relay inverse-arpCCNA Exam:What summary route can be used to advertise the following four routes?10.4.0.0 /1610.5.0.0 /1610.6.0.0 /1610.7.0.0 /16Answer: 10.4.0.0 255.252.0.0, or 10.4.0.0 /14 in prefix notation.CCNP Certification / BSCI Exam:You are examining an IPv6 address and notice two consecutive colons. What does this represent, if anything?Answer: Those two colons represent a string of zeros. This is referred to as zero compression, but can only be done once in a single IPv6 address. Leading zero compression, though, can be done as many times as is appropriate in an IPv6 address.Original format: 1234:1234:0000:0000:0000:0000:3456:3434Using zero compression: 1234:1234::3456:3434CCNP Certification / BCMSN Exam:How many bytes are added to a frame as a result of ISL encapsulation?Answer: The header is 26 bytes, the trailer containing the CRC value is 4 bytes, for a total of 30 bytes.CCNP Certification / ISCW Exam:What command disables ICMP redirects?Answer: no ip redirects.CCNP Certification / ONT Exam:What number and name are given to the highest possible CoS value?Answer: The highest possible CoS value is 7 (111 in binary), known commonly as Network.Look for more Cisco and Network+ certification exam training questions on this same website!
Cisco,CCNA,CCNP,And,CCENT,Prac