Study Set Test #3
An administrator must send a message to everyone on the router A network. What is the broadcast addresses for network 172.16.16.0/22?
172.16.19.255
Match each description with an appropriate IP address.
172.19.20.5 = a private address 127.0.0.1 = a loopback address 240.2.6.255 = an experimental address 192.0.2.123 = a TEST-NET address 169.254.1.5 = a link-local address
Match the network with the correct IP address and prefix that will satisfy the usable host addressing requirements for each network.
192.168.0.96/27 = Network C 192.168.0.128/25 = Network A 192.168.0.80/30 = Network D 192.168.0.0/26 = Network B
Match the subnetwork to a host address that would be included within the subnetwork.
192.168.1.32/27 = 192.168.1.48 192.168.1.64/27 = 192.168.1.68 192.168.1.96/27 = 192.168.1.121
Which subnet would include the address 192.168.1.96 as a usable host address?
192.168.1.64/26
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?
192.168.1.64/27 & 192.168.1.96/28
Which three addresses are valid public addresses?
198.133.129.17 128.107.12.117 64.104.78.227
Match the IPv6 address with the IPv6 address type.
2001:DB8::BAF:3F57:FE94 = global unicast FF02::1 = all node multicast ::1 = loopback FF02::1:FFAE:F85F = solicited node multicast
What is the prefix for the host address 2001:DB8:BC15:A:12AB::1/64?
2001:DB8:BC15:A
Given IPv6 address prefix 2001:db8::/48, what will be the las 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
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 of these addresses is the shortest abbreviation for the IP address: 3FFE:1044:000:000:00AB:0000:0000:0057?
3FFE:1044:0:0:AB::57
A network administrator subnet 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
62
How many valid host addresses are available on an IPv4 subnet that is configured with a 26/ mask?
62
What is the usable number of host IP addresses on a network that has a /26 mask?
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 prefix length notation for the subnet mask: 255.255.255.224
/27
What three blocks of addresses are defined by RFC 1918 for private network use?
10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16
Considering the addresses already used 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
A message is sent to all hosts on a remote network / Which type of message is it?
Directed broadcast
Three methods allow IPv6 and IPv4 to co-exist. Match each method with its description.
Dual-stack: The IPv4 packets and IPv6 packets coexist in the same network. Tunneling: The IPv6 packet is transported inside an IPv4 packet. Translation: IPv6 packets are converted into IPv4 packets, and vice versa.
Which IPv6 prefix is reserved for communication between devices on the same link?
FE80::/10
Which address is a valid IPv6 link-local unicast address?
FE80::1:4545:6578:ABC1
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
A host is transmitting a unicast. Which host or hosts will receive it?
One specific host
Which service provides dynamic global IPv6 addressing to end devices without using a server that keeps a record of available Ipv6 addresses?
SLAAC
A technician uses the ping 127.0.0.1 command. What is the technician testing?
The TCP/IP stack on a network host
A high school in New York is using videoconferencing technology to establish student interactions with another high school 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.
A host is transmitting a multicast. Which host or hosts will receive it?
a specially defined group of hosts
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
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
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
Which is the compressed format of the IPv6 address fe80:09ea:0000:2200:0000:0000:0fe0:0290?
fe80:9ea:0:2200::fe0:290
Which is the compressed format of the IPv6 address fe80:0000:0000:0000:0220:0b3f:f0e0:0029?
fe80::220:b3f:f0e0:29
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
What type of Ipv6 address is FE80::1?
link-local
What are two types of IPv6 unicast addresses?
loopback link-local
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 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
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: 192.168.1.64 subnet mask: 255.255.255.192
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
How many bits must be borrowed from the host portion of an address to accommodate a router with five connected networks?
three
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 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
