check my answers for Local Area Networking I came up with these answers, can ple
ID: 3739646 • Letter: C
Question
check my answers for Local Area Networking
I came up with these answers, can please check my answers
my answers in bold
____________________________________________________________________________________________________________________________________________
III. Here, There, Everwhere
A. Which of the following CIDR blocks cover the address 171.15.66.234? Check all that apply.
128.0.0.0/1
128.0.0.0/2
171.15.0.0/16
171.15.0.0/17
171.15.0.0/18
171.16.55.128/26
171.15.66.0/28
171.15.66.234/32
_____________________________________________________________________________________
B. True or false: IPv6 addresses are in short supply.
True
False
_____________________________________________________________________________________
C. True or false: using DHCP is the only way for a host to obtain an IP address today in the Internet.
True
False
_____________________________________________________________________________________
D. True or false: because it uses a link layer broadcast, in order to receive a response a node using DHCP must be on the same link as its DHCP server.
True
False
_____________________________________________________________________________________
E. True or false: because DHCP uses link layer broadcasts, the IP gateway for a subnet must also be a DHCP server.
True
False
____________________________________________________________________________________
F. DHCP is a layer 3 (network layer) protocol
True
False
_____________________________________________________________________________________
G. Mark all of the following that are syntactically valid IPv6 addresses:
2001:470::806d:1::9
64:ff9b::171.66.3.9
65:aagg:54::22:12.44.11.99
dead:beef:10:10.44.12.22::9
fe80::6aa8:6dff:fe05:8522
fe80::213:72ff:fe4c:d96a
_____________________________________________________________________________________
H. True or false: It is considered good practice for Network Address Translators to map a single external IP/port pair to multiple internal IP/port pairs.
True
False
_____________________________________________________________________________________
I. True or false: Network Address Translators cannot be layered. I.e., if you have two layers of NAT between a pair of hosts, all IP communication will break.
True
False
Explanation / Answer
here are the correct answers..changes are highlighted.
I am sure about the answers of A, B, C, F, G. I have also written a short description.
================================================================
A. Which of the following CIDR blocks cover the address 171.15.66.234? Check all that apply.
128.0.0.0/1
128.0.0.0/2
171.15.0.0/16 //since it is class B address default subnet mask is 255.255.0.0
171.15.0.0/17
171.15.0.0/18
171.16.55.128/26
171.15.66.0/28
171.15.66.234/32
_____________________________________________________________________________________
B. True or false: IPv6 addresses are in short supply.
True
False //IPv4 are in short that is why IPV6 introduced.
_____________________________________________________________________________________
C. True or false: using DHCP is the only way for a host to obtain an IP address today in the Internet.
True
False //RARP is another way
_____________________________________________________________________________________
D. True or false: because it uses a link layer broadcast, in order to receive a response a node using DHCP must be on the same link as its DHCP server.
True //Not sure
False
_____________________________________________________________________________________
E. True or false: because DHCP uses link layer broadcasts, the IP gateway for a subnet must also be a DHCP server.
True
False //not sure
____________________________________________________________________________________
F. DHCP is a layer 3 (network layer) protocol
True //correct
False
_____________________________________________________________________________________
G. Mark all of the following that are syntactically valid IPv6 addresses: //correct
2001:470::806d:1::9
64:ff9b::171.66.3.9
65:aagg:54::22:12.44.11.99
dead:beef:10:10.44.12.22::9
fe80::6aa8:6dff:fe05:8522
fe80::213:72ff:fe4c:d96a
_____________________________________________________________________________________
H. True or false: It is considered good practice for Network Address Translators to map a single external IP/port pair to multiple internal IP/port pairs.
True
False
_____________________________________________________________________________________
I. True or false: Network Address Translators cannot be layered. I.e., if you have two layers of NAT between a pair of hosts, all IP communication will break.
True
False
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