(CNA-101) Chapter 7 IP addressing

What is the prefix length notation for the subnet mask 255.255.255.224?

/27

Fill in the blank. The last host address on the 10.15.25.0/24 network is ________.

10.15.25.254

What type of address is automatically assigned to an interface when IPv6 is enabled on that interface? A) link-local B) unique local C) global unicast D) loopback

A) link-local

Match the description to the IPv6 addressing component: This network portion of the address is assigned by the provider.

global routing prefix

Fill in the blank. The 8-digit binary value of the last octet of the IPv4 address 172.17.10.7 is _________.

00000111

The binary equivalent of the decimal number 232 is

11101000

Match each description with an appropriate IP address: a loopback address

127.0.0.1

The decimal equivalent of the binary number 10010101 is

149

Match each description with an appropriate IP address: a link-local address

169.254.1.5

The network portion of the address 172.16.30.5/16 is ______________.

172.16

Match each description with an appropriate IP address: a public address

198.133.219.2

Fill in the blank. The shortest compressed format of the IPv6 address 2001:0DB8:0000:1470:0000:0000:0000:0200 is ________________.

2001:DB8:0:1470::200

Match each description with an appropriate IP address: an experimental address

240.2.6.255

What is the decimal equivalent of the hex number 0x3F?

63

Which three IP addresses are private ? (Choose three.) A) 10.1.1.1 B) 224.6.6.6 C) 192.168.5.5 D) 172.16.4.4 E) 172.32.5.2 F) 192.167.10.10

A) 10.1.1.1 C) 192.168.5.5 D) 172.16.4.4

What field content is used by ICMPv6 to determine that a packet has expired? A) Hop Limit field B) Time Exceeded field C) TTL field D) CRC field

A) Hop Limit field

Which protocol supports Stateless Address Autoconfiguration (SLAAC) for dynamic assignment of IPv6 addresses to a host? A) ICMPv6 B) UDP C) ARPv6 D) DHCPv6

A) ICMPv6

What are three parts of an IPv6 global unicast address? (Choose three.) A) a global routing prefix that is used to identify the network portion of the address that has been provided by an ISP B) a subnet ID that is used to identify networks inside of the local enterprise site C) an interface ID that is used to identify the local network for a particular host D) an interface ID that is used to identify the local host on the network E) a global routing prefix that is used to identify the portion of the network address provided by a local administrator

A) a global routing prefix that is used to identify the network portion of the address that has been provided by an ISP B) a subnet ID that is used to identify networks inside of the local enterprise site D) an interface ID that is used to identify the local host on the network

What is the purpose of the subnet mask in conjunction with an IP address? A) to determine the subnet to which the host belongs B) to uniquely identify a host on a network C) to mask the IP address to outsiders D) to identify whether the address is public or private

A) to determine the subnet to which the host belongs

Which two IPv4 to IPv6 transition techniques manage the interconnection of IPv6 domains? (Choose two.) A) tunneling B) dual stack C) multiplexing D) trunking E) encapsulation

A) tunneling B) dual stack

An IPv6 enabled device sends a data packet with the destination address of FF02::1. What is the target of this packet?​ A) the one IPv6 device on the link that has been uniquely configured with this address B) all IPv6 enabled devices on the local link​ or network C) only IPv6 DHCP servers​ D) only IPv6 configured routers

B) all IPv6 enabled devices on the local link​ or network

A message is sent to all hosts on a remote network. Which type of message is it? A) unicast B) directed broadcast C) limited broadcast D) multicast

B) directed broadcast

What does the IP address 172.17.4.250/24 represent? A) broadcast address B) host address C) multicast address D) network address

B) host address

Which type of IPv6 address is not routable and used only for communication on a single subnet? A) global unicast address B) link-local address C) loopback address D) unique local address E) unspecified address

B) link-local address

Which two things can be determined by using the ping command? (Choose two.) A) he average time it takes each router in the path between source and destination to respond B) the destination device is reachable through the network C) the number of routers between the source and destination device D) the IP address of the router nearest the destination device E) the average time it takes a packet to reach the destination and for the response to return to the source

B) the destination device is reachable through the networ E) the average time it takes a packet to reach the destination and for the response to return to the source

Which two types of devices are typically assigned static IP addresses? (Choose two.) A) workstations B) web servers C) printers D) hubs E) laptops

B) web servers C) printers

What subnet mask is represented by the slash notation /20? A) 255.255.255.192 B) 255.255.255.0 C) 255.255.240.0 D) 255.255.255.248 E) 255.255.224.0

C) 255.255.240.0

What are three characteristics of multicast transmission? (Choose three.) A) The source address of a multicast transmission is in the range of 224.0.0.0 to 224.0.0.255. B) Multicast messages map lower layer addresses to upper layer addresses. C) Multicast transmission can be used by routers to exchange routing information. D) A single packet can be sent to a group of hosts. E) The range of 224.0.0.0 to 224.0.0.255 is reserved to reach multicast groups on a local network. F) Computers use multicast transmission to request IPv4 addresses.

C) Multicast transmission can be used by routers to exchange routing information. D) A single packet can be sent to a group of hosts. E) The range of 224.0.0.0 to 224.0.0.255 is reserved to reach multicast groups on a local network.

A user who is unable to connect to the file server contacts the help desk. The helpdesk technician asks the user to ping the IP address of the default gateway that is configured on the workstation. What is the purpose for this ping command? A) to obtain a dynamic IP address from the server B) to request that gateway forward the connection request to the file server C) to test that the host has the capability to reach hosts on other networks D) to resolve the domain name of the file server to its IP address

C) to test that the host has the capability to reach hosts on other networks

What is indicated by a successful ping to the ::1 IPv6 address? A) The default gateway address is correctly configured. B) All hosts on the local link are available. C) The host is cabled properly. D) IP is properly installed on the host. E) The link-local address is correctly configured.

D) IP is properly installed on the host.

In which alternative to DHCPv6 does a router dynamically provide IPv6 configuration information to hosts? A) ARP B) EUI-64 C) ICMPv6 D) SLAAC

D) SLAAC

What are two types of IPv6 unicast addresses? (Choose two.) A) broadcast B) multicast C) anycast D) link-local E) loopback

D) link-local E) loopback

Which two parts are components of an IPv4 address? (Choose two.) A) logical portion B) broadcast portion C) physical portion D) network portion E) subnet portion F) host portion

D) network portion F) host portion

An administrator wants to configure hosts to automatically assign IPv6 addresses to themselves by the use of Router Advertisement messages, but also to obtain the DNS server address from a DHCPv6 server. Which address assignment method should be configured? A) stateful DHCPv6 B) SLAAC C) RA and EUI-64 D) stateless DHCPv6

D) stateless DHCPv6

What is the purpose of ICMP messages? A) to ensure the delivery of an IP packet B) to monitor the process of a domain name to IP address resolution C) to inform routers about network topology changes D) to provide feedback of IP packet transmissions

D) to provide feedback of IP packet transmissions

Which network migration technique encapsulates IPv6 packets inside IPv4 packets to carry them over IPv4 network infrastructures? A) encapsulation B) translation C) dual-stack D) tunneling

D) tunneling

A user is executing a tracert to a remote device. At what point would a router, which is in the path to the destination device, stop forwarding the packet? A) when the RTT value reaches zero B) when the host responds with an ICMP Echo Reply message C) when the values of both the Echo Request and Echo Reply messages reach zero D) when the value in the TTL field reaches zero E) when the router receives an ICMP Time Exceeded message

D) when the value in the TTL field reaches zero

How many bits are in an IPv4 address? A) 128 B) 64 C) 256 D)32

D)32

Which of these addresses is the shortest abbreviation for the IP address: 3FFE : 1044 : 0000 : 0000 : 00AB : 0000 : 0000 : 0057? A) 3FFE : 1044 : 0000 : 0000 : 00AB :: 0057 B) 3FFE : 1044 :: 00AB :: 0057 C) 3FFE : 1044 : 0000 : 0000 : 00AB :: 57 D) 3FFE : 1044 : 0 : 0 : 00AB :: 0057 E) 3FFE : 1044 : 0 : 0 : AB :: 57 F) 3FFE : 1044 :: AB :: 57

E) 3FFE : 1044 : 0 : 0 : AB :: 57

Match the IPv6 address with the IPv6 address type: 2001:DB8::BAF:3F57:FE94

Global unicast

Match the IPv6 address with the IPv6 address type: FF02::1

all node multicast

Match the description to the IPv6 addressing component: This part of the address is the equivalent to the host portion of an IPv4 address.

interface ID

Match the IPv6 address with the IPv6 address type: ::1

loopback

Match the IPv6 address with the IPv6 address type: FF02::1:FFAE:F85F

solicited node multicast

Match the description to the IPv6 addressing component: This part of the address is used by an organization to identify subnets.

subnet ID