Cisco Networking: Modules 11-13 Check Your Understanding

Which part of a GUA is assigned by the ISP? a) Global Routing Prefix b) Global Routing Prefix and Subnet ID c) Prefix d) RIR Prefix

a) Global Routing Prefix

Host-A has the IPv4 address and subnet mask 10.5.4.100 255.255.255.0. Which of the following IPv4 addresses would be on the same network as Host-A? (Choose all that apply) a) 10.5.4.1 b) 10.5.0.1 c) 10.5.4.99 d) 10.0.0.98

a) 10.5.4.1 c) 10.5.4.99

True or False. RA messages are sent to all IPv6 routers by hosts requesting addressing information. a) True b) False

b) False

True or False? IPv6 was designed with subnetting in mind. a) True b) False

a) True

Host-A has the IPv4 address and subnet mask 172.16.4.100 255.255.0.0. Which of the following IPv4 addresses would be on the same network as Host-A? (Choose all that apply) a) 172.16.4.99 b) 172.16.0.1 c) 172.17.4.99 d) 172.17.4.1

a) 172.16.4.99 b) 172.16.0.1

Which two types of ICMP messages are common to both ICMPv4 and ICMPv6? (Choose two.) a) Destination or Service Unreachable b) Hostname resolution c) IP configuration d) Source Unreachable e) Time exceeded

a) Destination or Service Unreachable e) Time exceeded

Which dynamic addressing method for GUAs is the one where devices rely solely on the contents of the RA message for their addressing information? a) Method 1: SLAAC b) Method 2: SLAAC and Stateless DHCPv6 c) Method 3: Stateful DHCPv6

a) Method 1: SLAAC

Which two statements are correct about private IPv4 addresses? (Choose two.) a) Private IPv4 addresses are assigned to devices within an organization's intranet (internal network). b) Internet routers will typically forward any packet with a destination address that is a private IPv4 address. c) 172.99.1.1 is a private IPv4 address. d) Any organization (home, school, office, company) can use the 10.0.0.0/8 address.

a) Private IPv4 addresses are assigned to devices within an organization's intranet (internal network). d) Any organization (home, school, office, company) can use the 10.0.0.0/8 address.

True or False: 4 out of 5 RIRs no longer have enough IPv4 addresses to allocate to customers on a regular basis. a) True b) False

a) True

Which of the following techniques use native IPv6 connectivity? a) dual stack b) tunneling c) translation d) all of the above

a) dual stack

Which two situations are the result of excessive broadcast traffic? (Choose two) a) slow network operations b) slow device operations c) when devices on all adjacent networks are affected d) when the router has to forward an excessive number of packets

a) slow network operations b) slow device operations

Given a /48 Global Routing Prefix and a /64 prefix, what is the subnet portion of the following address: 2001:db8:cafe:1111:2222:3333:4444:5555 a) café b) 1111 c) 2222 d) 3333 e) 4444

b) 1111

Host-A has the IPv4 address and subnet mask 172.16.4.100 255.255.0.0. What is the network address of Host-A? a) 172.0.0.0 b) 172.16.0.0 c) 172.16.4.0 d) 172.16.4.100

b) 172.16.0.0

True or False: The Subnet ID field in an GUA must borrow bits from the interface ID. a) True b) False

b) False

What type of IPv6 address begins with fe80? a) GUA b) LLA c) multicast address d) None. An IPv6 address must begin with 2001

b) LLA

Which dynamic addressing method for GUAs is the one where devices get their IPv6 configuration in a RA message and request DNS information from a DHCPv6 server? a) Method 1: SLAAC b) Method 2: SLAAC and Stateless DHCPv6 c) Method 3: Stateful DHCPv6

b) Method 2: SLAAC and Stateless DHCPv6

Which two statements are correct about public IPv4 addresses? (Choose two.) a) Public IPv4 addresses are allowed to be assigned to devices within an organization's intranet (internal network). b) To access a device over the internet, the destination IPv4 address must be a public address. c) 192.168.1.10 is a public IPv4 address. d) Public IPv4 address exhaustion is a reason why there are private IPv4 address and why organizations are transitioning to IPv6.

b) To access a device over the internet, the destination IPv4 address must be a public address. d) Public IPv4 address exhaustion is a reason why there are private IPv4 address and why organizations are transitioning to IPv6.

Which devices will not forward an IPv4 broadcast packet by default? a) Ethernet switch b) router c) Windows PC d) None of the above. All devices forward IPv4 broadcast packets by default

b) router

What is the recommended prefix length for most IPv6 subnets? a) /32 b) /48 c) /64 d) /128

c) /64

Host-A has the IPv4 address and subnet mask 10.5.4.100 255.255.255.0. What is the network address of Host-A? a) 10.0.0.0 b) 10.5.0.0 c) 10.5.4.0 d) 10.5.4.100

c) 10.5.4.0

Host-A has the IPv4 address and subnet mask 192.168.1.50 255.255.255.0. Which of the following IPv4 addresses would be on the same network as Host-A? (Choose all that apply) a) 192.168.0.1 b) 192.168.0.100 c) 192.168.1.1 d) 192.168.1.100 e) 192.168.2.1

c) 192.168.1.1 d) 192.168.1.100

Given a /32 Global Routing Prefix and a /64 prefix, how many bits would be allocated for the Subnet ID? a) 8 b) 16 c) 32 d) 48 e) 64

c) 32

Which dynamic addressing method for GUAs is the one where devices rely solely on a DHCPv6 server for their addressing information? a) Method 1: SLAAC b) Method 2: SLAAC and Stateless DHCPv6 c) Method 3: Stateful DHCPv6

c) Method 3: Stateful DHCPv6

Which organization or group of organizations receives IP addresses from IANA and is responsible for allocating these addresses to ISPs and some organizations? a) IETF b) IEEE c) RIRs d) Tier 1 ISPs

c) RIRs

What are the two methods a device can use to generate its own IPv6 interface ID? a) SLAAC b) stateless DHCPv6 c) stateful DHCPv6 d) EUI-64 e) randomly generated

d) EUI-64 e) randomly generated

Which type of IPv6 unicast address is not routable between networks? a) unique local address b) GUA c) embedded IPv4 address d) LLA

d) LLA

Which type of ICMPv6 message would a host send to acquire an IPv6 configuration when booting up? a) Neighbor Advertisement (NA) message b) Neighbor Solicitation (NS) message c) Router Advertisement (RA) message d) Router Solicitation (RS) message

d) Router Solicitation (RS) message

Which field in an IPv6 GUA is used for subnetting? a) Prefix b) Network c) Global Routing Prefix d) Subnet ID e) Interface ID

d) Subnet ID

What is the most important motivating factor for moving to IPv6? a) better performance with IPv6 b) IPv6 addresses that are easier to work with c) better security with IPv6 d) depletion of IPv4 addresses

d) depletion of IPv4 addresses