Chapter 7 Exam

Which three IP addresses are private ? (Choose three.) 1. 172.16.4.4 2. 10.1.1.1 3. 192.167.10.10 4. 224.6.6.6 5. 172.32.5.2 6. 192.168.5.5

1, 2, 6

Which two types of devices are typically assigned static IP addresses? (Choosee two.) 1. Workstations 2. Web servers 3. Printers 4. Hubs 5. Laptops

2, 3

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

A message is sent to all hosts on a remote network. Which type of message is it? 1. Unicast 2. Multicast 3. Directed broadcast 4. Limited broadcast

3

How many bits are in an IPv4 address? 1. 64 2. 128 3. 256 4. 32

4

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

00000111

What is the binary equivalent of the decimal number 232? 1. 11101000 2. 11000110 3. 10011000 4. 11110010

1

What is the decimal equivalent of the binary number 10010101? 1. 149 2. 157 3. 168 4. 192

1

What is the decimal equivalent of the hex number 0x3F? 1. 63 2. 77 3. 87 4. 93

1

Which of these addresses is the shortest abbreviation for the IP address 3FFE:1044:0000:0000:00AB:0000:0000:0057? 1. 3FFE:1044:0:0AB::57 2. 3FFE:1044::AB::57 3. 3FFE:1044:0:0:00AB::057 4. 3FFE:1044::00AB::0057 5. 3FFE:1044:0000:0000:00AB::0057 6. 3FFE:1044:0000:0000:00AB::57

1

Which protocol supports Stateless Address Autoconfiguration (SLAAC) for dynamic assignment of the IPv6 addresses to a host? 1. ICMPv6 2. UDP 3. ARPv6 4. DHCPv6

1

What are three parts of an IPv6 global unicast address? (Choose three.) 1. An interface ID that is used to identify the local host on the network. 2. A global routing prefix that is used to identify the network portion of the address that has been provided by an ISP. 3. A global routing prefix that is used to identify the portion of the network address provided by a local administrator. 4. An interface ID that is used to identify the local network for a particular host 5. A subnet ID that is used to identify networks inside of the local enterprise site

1, 2, 5

Which two things can be determined by using the ping command? (Choose two.) 1. The destination device is reachable through the network. 2. The IP address of the router nearest the destination device. 3. The number of routers between the source and destination device. 4. The average time it takes a packet to reach the destination and for the response to return to the source. 5. The average time it takes each router in the path between source and destination to respond

1, 4

Match the description to the IPv6 addressing component. (Not all options are used.) 1. This part of the address is used by an organization to identify subnets. 2. This network portion of the address is assigned by the provider. 3. This part of the address is the equivalent to the host portion of an IPv4 address. a. Global routing prefix. b. Subnet ID. c. Subnet mask. d. Interface ID

1-b, 2-a, 3-d

Match the IPv6 address with the IPv6 address type. (Not all options are used.) 1. 2001:DB8::BAF:3F57:FE94 2. FF02::1 3. ::1 4. FF02::1:FFAE:F85F a. loopback b. global unicast c. solicited node multicast d. unique local e. all node multicast f. link-local

1-b, 2-e, 3-a, 4-c

Match each description with an appropriate IP address. (Not all options are used.) 1. A link-local address 2. A public address 3. An experimental address 4. A loopback address a. 240.2.6.255 b. 198.133.219.2 c. 127.0.0.1 d. 169.254.1.5 e. 172.18.45.9

1-d, 2-b, 3-a, 4-c

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

10.15.25.254

The network portion of the address 172.16.30.5/16 is ________

172.16

An IPv6 enabled device sends a data packet with the destination address of FF02::1. What is the target of this packet? 1. The one IPv6 device on the link that has been uniquely configured with this address. 2. All IPv6 enabled devices on the local link or network. 3. Only IPv6 DHCP servers. 4. Only IPv6 configured routers

2

What is the purpose of ICMP messages? 1. To ensure the delivery of an IP packet. 2. To provide feedback of IP packet transmissions. 3. To inform routers about network topology changes. 4. To monitor the process of a domain name to IP address resolution

2

What is the purpose of the subnet mask in conjuction with an IP address? 1. To uniquely identify a host on a network. 2. To determine the subnet to which the host belongs 3. To identify whether the address is public or private. 4. To mask the IP address to outsiders

2

What subnet mask is represented by the slash notation /20? 1. 255.255.255.192 2. 255.255.240.0 3. 255.255.255.248 4. 255.255.224.0 5. 255.255.255.0

2

Which type of IPv6 address is not routable and used only for communication on a single subnet? 1. Global unicast address 2. Link-local address 3. Loopback address 4. Unique local address 5. Unspecified address

2

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? 1. When the host responds with an ICMP Echo Reply message. 2. When the values both the Echo Request and Echo Reply messages reach zero. 3. When the value in the TTL field reaches zero. 4. When the router receives an ICMP Time Exceeded message. 5. When the RTT value reaches zero

3

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? 1. To obtain a dynamic IP address from the server 2. To request that gateway forward the connection request to the file server 3. To test that the host has the capability to reach hosts on other networks 4. To resolve the domain name of the file server to its IP address

3

What does the IP address 172.17.4.250/24 represent? 1. Broadcast address 2. Network address 3. Host address 4. Multicast address

3

What field content is used by ICMPv6 to determine that a packet has expired? 1. CRC field 2. Time Exceeded field 3. Hop limit field 4. TTL field

3

What is the prefix length notation for the subnet mask 255.255.255.224? 1. /25 2. /26 3. /27 4. /28

3

What type of address is automatically assigned to an interface when IPv6 is enabled on that interface? 1. Global unicast 2. Unique local 3. Link-local 4. Loopback

3

Which two IPv4 to IPv6 transition techniques manage the interconnection of IPv6 domains? (Choose two.) 1. Trunking 2. Encapsulation 3. Tunneling 4. Multiplexing 5. Dual stack

3, 5

In which alternative to DHCPv6 does a router dynamically provide IPv6 configuration information to hosts? 1. ARP 2. EUI-64 3. ICMPv6 4. SLAAC

4

What is indicated by a successful ping to the ::1 IPv6 address? 1. All hosts on the local link are available. 2. The link-local address is correctly configured. 3. The default gateway address is correctly configured. 4. IP is properly installed on the host. 5. The host is cabled properly

4

Which network migration technique encapsulates IPv6 packets inside IPv4 packets to carry them over IPv4 network infrastructures? 1. Encapsulation 2. Translation 3. Dual-stack 4. Tunneling

4

What are two types of IPv6 unicast addresses? (Choose two.) 1. Broadcast 2. Anycast 3. Multicast 4. Loopback 5. Link-local

4, 5

What are three characteristics of multicast transmission? (Choose three.) 1. Computers use multicast transmission to request IPv4 addresses. 2. The source address of a multicast transmission is in the range of 224.0.0.0 to 224.0.0.255. 3. Multicast messages map lower layer addresses to upper layer addresses. 4. A single packet can be sent to a group of hosts. 5. Multicast transmission can be used by routers to exchange routing information. 6. The range of 224.0.0.0 to 224.0.0.255 is reserved to reach multicast groups on a local network

4, 5, 6

Which two parts are components of an IPv4 address? (Choose two.) 1. Physical portion 2. Subnet portion 3. Broadcast portion 4. Logical portion 5. Network portion 6. Host portion

5, 6