Chapter 7 CET 1 exam answers
What does the IP address 172.17.4.250/24 represent?
host address
What subnet mask is represented by the slash notation /20?
255.255.240.0
How many bits are in an IPv4 address?
32 bits
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*
What is the decimal equivalent of the hex number 0x3F?
63
A message is sent to all hosts on a remote network. Which type of message is it?
directed broadcast
Which two IPv4 to IPv6 transition techniques manage the interconnection of IPv6 domains? (Choose two.)
dual stack and tunneling
The binary equivalent of the decimal number 232 is
11101000
What is the binary equivalent of the decimal number 232?
11101000
A loopback address
127.0.0.1
The decimal equivalent of the binary number 10010101 is...
149
What is the decimal equivalent of the binary number 10010101?
149
link-local address
169.254.1.5
Which three IP addresses are private ? (Choose three.)
172.16.4.4 * 192.168.5.5 10.1.1.1
A private address
172.19.20.5
A test-Net address
192.0.2.123
An experimental address
240.2.6.255
What are three parts of an IPv6 global unicast address?
A global routing prefix that is used to identify the network portion of the address that has been provided by an ISP * A subnet ID that is used to identify networks inside of the local enterprise site An interface ID that is used to identify the local host on the network
What are three characteristics of multicast transmission?
A single packet can be sent to a group of hosts. * Multicast transmission can be used by routers to exchange routing information. * The range of 224.0.0.0 to 224.0.0.255 is reserved to reach multicast groups on a local network.*
What field content is used by ICMPv6 to determine that a packet has expired?
Hop Limit field
Which protocol supports Stateless Address Autoconfiguration (SLAAC) for dynamic assignment of IPv6 addresses to a host?
ICMPv6
What is indicated by a successful ping to the ::1 IPv6 address?
IP is properly installed on the host.
What type of address is automatically assigned to an interface when IPv6 is enabled on that interface?
link-local
What are two types of IPv6 unicast addresses?
loopback link-local
Which two parts are components of an IPv4 address?
network portion and 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?
stateless DHCPv6
Which two things can be determined by using the ping command?
the average time it takes a packet to reach the destination and for the response to return to the source * the destination device is reachable through the network
What is the purpose of the subnet mask in conjunction with an IP address?
to determine the subnet to which the host belongs
What is the purpose of ICMP messages?
to provide feedback of IP packet transmissions
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?
when the value in the TTL field reaches zero
