CCENT & ICND1 Question:
What protocol resolves an IP address to a MAC address?
A) Inverse-ARPB) ARP
C) DNS
D) RARP
E) DHARP
F) RFC1918
Explanation:
Inverse-ARP – is used in Frame-Relay environments to map a remote router’s IP address to a local DLCI number.ARP – This is the correct answer. Used in Ethernet environments to map another devices’ IP Address to a MAC address. Please see the following RFC for more information: RFC 826 – Ethernet Address Resolution Protocol: Or converting network protocol addresses to 48.bit Ethernet address for transmission on Ethernet hardware
DNS – is used to mapping a name to an IP Address. For instance PC1 to x.x.x.x (where x is an IP address)
RARP – this is used to obtain an IP address for a given MAC address. This is replaced by DHCP
DHARP – an imaginary protocol
RFC1918 – describes the use of private addresses like 10.0.0.0 to 10.255.255.255 and 172.16.0.0 to 172.31.255.255 and 192.168.0.0 to 192.168.255.255
Answer: BCCNA & ICND2 Question:
What are valid OSPF stub types?
A) BackboneB) Totally Stubby
C) Not So Stubby
D) So So Stubby
E) Stub
F) Stubby with summarization
Explanation:
The types “So So Stubby” and “Stubby with summarization” are just imaginary OSPF Stub – areas do not receive type 5 (external) LSAs from their ABRsOSPF Totally Stubby areas – do not receive type 3 (summary link advertisements), 4 (summary link advertisements) or 5 (external) LSAs from their ABRs
Not So Stubby (NSSA) areas – are more flexible than stub areas as type 5 (external) LSAs are permitted through the NSSA area and can thus act as a transit area
Answers: B, C, EConclusion:
How did you get on? Remember to make sure you understand the answers. Don’t just learn and repeat them.
Good luck with your studies!
David BombalCCIE #11023, CCSI, CCDP, CCIP, CCNP, CCSP, CCVP, CCNA, CCDA
David Bombal has been providing technical training and consulting for many years. He is Managing Director of Network Experts, a consulting and training company in the United Kingdom (http://www.ConfigureTerminal.com)
The company provides resources for (CCNA), (CCNP) and other Cisco qualifications. We have developed CCNA, ICND1 and ICND2 test questions that will help you pass your exams. This includes a router simulation to make sure you are prepared for the sims.
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