Modules 11 - 13: IP Addressing Exam
What is the prefix length notation for the subnet mask 255.255.255.224?
/27
A host is transmitting a multicast. Which host or hosts will receive it?
a specially defined group of hosts
A message is sent to all hosts on a remote network. Which type of message is it?
directed broadcast
240.2.6.255 type of address?
experimental address
What source IP address does a router use by default when the traceroute command is issued?
the IP address of the outbound interface
What is used in the EUI-64 process to create an IPv6 interface ID on an IPv6 enabled interface?
the MAC address of the IPv6 enabled interface
A technician uses the ping 127.0.0.1 command. What is the technician testing?
the TCP/IP stack on a network host
Which ICMPv6 message is sent when the IPv6 hop limit field of a packet is decremented to zero and the packet cannot be forwarded?
time exceeded
What is the purpose of the subnet mask in conjunction with an IP address?
to determine the subnet to which the host belongs
Why does a Layer 3 device perform the ANDing process on a destination IP address and subnet mask?
to identify the network address of the destination network
What is the prefix for the host address 2001:DB8:BC15:A:12AB::1/64?
2001:DB8:BC15:A
What is indicated by a successful ping to the ::1 IPv6 address?
IP is properly installed on the host.
A user issues a ping 2001:db8:FACE:39::10 command and receives a response that includes a code of 3. What does this code represent?
address unreachable
A user issues a ping 2001:db8:FACE:39::10 command and receives a response that includes a code of 2 . What does this code represent?
beyond scope of the source address
A user issues a ping 2001:db8:FACE:39::10 command and receives a response that includes a code of 2. What does this code represent?
beyond scope of the source address
A user issues a ping 198.133.219.8 command and receives a response that includes a code of 0. What does this code represent?
network unreachable
A host is transmitting a unicast. Which host or hosts will receive it?
one specific host
172.19.20.5 type of address?
private address
An administrator wants to create four subnetworks from the network address 192.168.1.0/24. What is the network address and subnet mask of the second useable subnet?
subnetwork 192.168.1.64subnet mask 255.255.255.192
What is the purpose of ICMP messages?
to provide feedback of IP packet transmissions
A user executes a traceroute over IPv6. At what point would a router in the path to the destination device drop the packet?
when the value of the Hop Limit field reaches zero
Which of these addresses is the shortest abbreviation for the IP address:3FFE:1044:0000:0000:00AB:0000:0000:0057?
3FFE:1044:0:0:AB::57
IPv4 link-local address block
169.254.0.0/16
What is the usable number of host IP addresses on a network that has a /26 mask?
26
How many bits must be borrowed from the host portion of an address to accommodate a router with five connected networks?
3
How many usable IP addresses are available on the 192.168.1.0/27 network?
30
192.0.2.123 type of address?
TEST-NET address
Dual-Stack, one of three methods that allow IPv6 and IPv4 to coexist
The IPv4 packets and IPv6 packets coexist in the same network.
Tunneling, one of three methods that allow IPv6 and IPv4 to coexist
The IPv6 packet is transported inside and IPv4 packet.
Which statement is true about variable-length subnet masking?
The size of each subnet may be different, depending on requirements.
A user issues a ping fe80:65ab:dcc1::100 command and receives a response that includes a code of 3. What does this code represent?
address unreachable
2001:0DB8:BC15:00A0:0000:: 2001:0DB8:BC15:00A1:0000:: 2001:0DB8:BC15:00A2:0000:: ... 2001:0DB8:BC15:00AF:0000:: The prefix-length for the range of addresses is
/60 All the addresses have the part 2001:0DB8:BC15:00A in common. Each number or letter in the address represents 4 bits, so the prefix-length is /60.
What are three parts of an IPv6 global unicast address? (Choose three.)
1) a global routing prefix that is used to identify the network portion of the address that has been provided by an ISP* 2) a subnet ID that is used to identify networks inside of the local enterprise site 3) an interface ID that is used to identify the local host on the network
What three blocks of addresses are defined by RFC 1918 for private network use? (Choose three.)
10.0.0.0/8 172.16.0.0/12 192.168.0.0/16
IPv4 private address ranges
10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16
Considering the addresses already used (10.16.10.0/26 and 10.16.10.192/28) and having to remain within the 10.16.10.0/24 network range, which subnet address could be assigned to the network containing 25 hosts?
10.16.10.64/27
How many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0?
1022
If a network device has a mask of /28, how many IP addresses are available for hosts on this network?
14
Your organization is issued the IPv6 prefix of 2001:0000:130F::/48 by your service provider. With this prefix, how many bits are available for your organization to create subnetworks if interface ID bits are not borrowed?
16
2001:db8:1234:xxxy::/64 where y represents the subnet portion, how many subnets?
16, Because only one hexadecimal character is used to represent the subnet, that one character can represent 16 different values 0 through F.
An administrator must send a message to everyone on the router A network. What is the broadcast address for network 172.16.16.0/22?
172.16.19.255
IPv4 TEST-NET address range
192.0.2.0/24
A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The company wants to create two subnetworks that would contain 10 hosts and 18 hosts respectively. Which two networks would achieve that? (Choose two.)
192.168.1.16/28 192.168.1.64/27* 192.168.1.128/27 192.168.1.96/28* 192.168.1.192/28
Which subnet would include the address 192.168.1.96 as a usable host address?
192.168.1.64/26
Which three addresses are valid public addresses? (Choose three.)
198.133.219.17* 192.168.1.245 10.15.250.5 128.107.12.117* 172.31.1.25 64.104.78.227*
What is the most compressed representation of the IPv6 address 2001:0000:0000:abcd:0000:0000:0000:0001?
2001:0:0:abcd::1
What is the prefix associated with the IPv6 address 2001:CA48:D15:EA:CC44::1/64?
2001:CA48:D15:EA::/64
What is the subnet address for the IPv6 address 2001:D12:AA04:B5::1/64?
2001:D12:AA04:B5::/64
What is the valid most compressed format possible of the IPv6 address 2001:0DB8:0000:AB00:0000:0000:0000:1234?
2001:DB8:0:AB00::1234
Given IPv6 address prefix 2001:db8::/48, what will be the last subnet that is created if the subnet prefix is changed to /52?
2001:db8:0:f000::/52
Which is the compressed format of the IPv6 address 2001:0db8:0000:0000:0000:a0b0:0008:0001?
2001:db8::a0b0:8:1
Which is the compressed format of the IPv6 address 2001:0db8:0000:0000:0ab8:0001:0000:1000?
2001:db8::ab8:1:0:1000
Which is the compressed format of the IPv6 address 2002:0420:00c4:1008:0025:0190:0000:0990?
2002:420:c4:1008:25:190::990
Which is the compressed format of the IPv6 address 2002:0042:0010:c400:0000:0000:0000:0909?
2002:42:10:c400::909
Which address prefix range is reserved for IPv4 multicast?
224.0.0.0 - 239.255.255.255
IPv4 experimental address range
240.0.0.0 to 255.255.255.254
What subnet mask is represented by the slash notation /20?
255.255.240.0
A site administrator has been told that a particular network at the site must accommodate 126 hosts. Which subnet mask would be used that contains the required number of host bits?
255.255.255.128
Which subnet mask would be used if 5 host bits are available?
255.255.255.224
Which subnet mask would be used if exactly 4 host bits are available?
255.255.255.240
A network administrator is variably subnetting a network. The smallest subnet has a mask of 255.255.255.224. How many usable host addresses will this subnet provide?
30
A network administrator subnets the 192.168.10.0/24 network into subnets with /26 masks. How many equal-sized subnets are created?
4
How many host addresses are available on the 192.168.10.128/26 network?
62
How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?
62
If a network device has a mask of /26, how many IP addresses are available for hosts on this network?
62
A network administrator has received the IPv6 prefix 2001:DB8::/48 for subnetting. Assuming the administrator does not subnet into the interface ID portion of the address space, how many subnets can the administrator create from the /48 prefix?
65536
What is the interface ID of the IPv6 address 2001:DB8::1000:A9CD:47FF:FE57:FE94/64?
A9CD:47FF:FE57:FE94
ff02::1
All-nodes multicast address.
Which IPv6 network prefix is only intended for local links and can not be routed?
FE80::/10
Which address is a valid IPv6 link-local unicast address?
FEC8:1::FFFF FD80::1:1234 FE80::1:4545:6578:ABC1* FE0A::100:7788:998 FFC90:5678:4251:FFFF
Which protocol is used by the traceroute command to send and receive echo-requests and echo-replies?
ICMP
Which protocol supports Stateless Address Autoconfiguration (SLAAC) for dynamic assignment of IPv6 addresses to a host?
ICMPv6
Translation, one of three methods that allow IPv6 and IPv4 to coexist
IPv6 packets are converted to IPv4 packets and vice versa.
PC1 192.168.1.1 running tracert to 10.1.0.2 has last valid IP address of 192.168.1.254. Which device?
R1, the default gateway for that LAN.
Which service provides dynamic global IPv6 addressing to end devices without using a server that keeps a record of available IPv6 addresses?
SLAAC
A high school in New York (school A) is using videoconferencing technology to establish student interactions with another high school (school B) in Russia. The videoconferencing is conducted between two end devices through the Internet. The network administrator of school A configures the end device with the IP address 209.165.201.10. The administrator sends a request for the IP address for the end device in school B and the response is 192.168.25.10. Neither school is using a VPN. The administrator knows immediately that this IP will not work. Why?
This is a private IP address
An IPv6 enabled device sends a data packet with the destination address of FF02::1. What is the target of this packet?
all IPv6 enabled devices on the local link or network
A host is transmitting a broadcast. Which host or hosts will receive it?
all hosts in the same subnet
Which type of IPv6 address refers to any unicast address that is assigned to multiple hosts?
anycast
Which is the compressed format of the IPv6 address fe80:09ea:0000:2200:0000:0000:0fe0:0290?
fe80:9ea:0:2200::fe0:290
Which IPv6 prefix is reserved for communication between devices on the same link?
fe80::/10
Which is the compressed format of the IPv6 address fe80:0000:0000:0000:0220:0b3f:f0e0:0029?
fe80::220:b3f:f0e0:29
2001:DB8::BAF:3F57:FE94
global unicast
What does the IP address 172.17.4.250/24 represent?
host address
A user issues a ping 192.135.250.103 command and receives a response that includes a code of 1. What does this code represent?
host unreachable
At a minimum, which address is required on IPv6-enabled interfaces?
link-local
What type of address is automatically assigned to an interface when IPv6 is enabled on that interface?
link-local
169.254.1.5 type of address?
link-local address
Which type of IPv6 address is not routable and used only for communication on a single subnet?
link-local address
127.0.0.1 type of address?
looback address
::1
loopback
What type of IPv6 address is FE80::1?
loopback linklocal* multicast global unicast
What are two types of IPv6 unicast addresses? (Choose two.)
multicast loopback* link-local* anycast broadcast
Which two parts are components of an IPv4 address? (Choose two.)
network and host portions
A user issues a ping 10.10.14.67 command and receives a response that includes a code of 0. What does this code represent?
network unreachable
A user issues a ping 2001:db8:3040:114::88 command and receives a response that includes a code of 4. What does this code represent?
port unreachable
A user issues a ping fe80:65ab:dcc1::100 command and receives a response that includes a code of 4. What does this code represent?
port unreachable
ff02::1:ffae:f85f
solicited node multicast
