Free CCENT & CCNA Questions of the day - Part 1

CCENT & ICND1 Question:and 192.168.0.0 to 192.168.255.255
What protocol resolves an IP address to a MACAnswer: B
address?CCNA & ICND2 Question:
A) Inverse-ARPWhat are valid OSPF stub types?
B) ARPA) Backbone
C) DNSB) Totally Stubby
D) RARPC) Not So Stubby
E) DHARPD) So So Stubby
F) RFC1918E) Stub
Explanation:F) Stubby with summarization
Inverse-ARP - is used in Frame-Relay environments toExplanation:
map a remote router's IP address to a local DLCIThe types "So So Stubby" and "Stubby with
number.summarization" are just imaginary OSPF Stub - areas
ARP - This is the correct answer. Used in Ethernetdo not receive type 5 (external) LSAs from their
environments to map another devices' IP Address to aABRs
MAC address. Please see the following RFC for moreOSPF Totally Stubby areas - do not receive type 3
information: RFC 826 - Ethernet Address Resolution(summary link advertisements), 4 (summary link
Protocol: Or converting network protocol addresses toadvertisements) or 5 (external) LSAs from their ABRs
48.bit Ethernet address for transmission on EthernetNot So Stubby (NSSA) areas - are more flexible than
hardwarestub areas as type 5 (external) LSAs are permitted
DNS - is used to mapping a name to an IP Address.through the NSSA area and can thus act as a transit
For instance PC1 to x.x.x.x (where x is an IP address)area
RARP - this is used to obtain an IP address for aAnswers: B, C, E
given MAC address. This is replaced by DHCPConclusion:How did you get on? Remember to make
DHARP - an imaginary protocolsure you understand the answers. Don't just learn and
RFC1918 - describes the use of private addresses likerepeat them.
10.0.0.0 to 10.255.255.255 and 172.16.0.0 to 172.31.255.255Good luck with your studies!