uCertify Net+008 Lesson 7 - IP Addressing

Which of the following addresses is not allowed on the Internet?

• 191.192.168.1

• 191.168.169.254

• 172.32.255.0

• 172.31.12.251

A host automatically configured with an address from which of the following ranges indicates an inability to contact a DHCP server?

• 169.254.0.x with a mask of 255.255.255.0

• 169.254.x.x with a mask of 255.255.0.0

• 169.254.x.x with a mask of 255.255.255.0

• 169.255.x.x with a mask of 255.255.0.0

Which statement regarding private IP addresses is most accurate?

• Private addresses cannot be used in intranets that require routing.

• Private addresses must be assigned by a registrar or ISP.

• A remote host across the Internet cannot ping your host if it has a private address.

• Private addresses can only be used by a single administrative domain.

Which of the following is a valid Class A address?

• 191.10.0.1

• 127.10.0.1

• 128.10.0.1

• 126.10.0.1

Which of the following is a valid Class B address?

• 10.1.1.1

• 126.1.1.1

• 129.1.1.1

• 192.168.1.1

Which of the following describes a broadcast address?

• All network bits are on (1s).

• All host bits are on (1s).

• All network bits are off (0s).

• All host bits are off (0s).

Which of the following is a layer 2 broadcast?

• FF:FF:FF:EE:EE:EE

• FF:FF:FF:FF:FF:FF

• 255.255.255.255

• 255.0.0.0

In a Class C IP address, how long is the network address?

• 8 bits

• 16 bits

• 24 bits

• 32 bits

Which of the following is true when describing a unicast address?

• Packets addressed to a unicast address are delivered to a single interface.

• These are your typical publicly routable addresses, just like regular publicly routable addresses in IPv4.

• These are like private addresses in IPv4 in that they are not meant to be routed.

• These addresses are meant for nonrouting purposes, but they are almost globally unique, so it is unlikely they will have an address overlap.

A host is rebooted and you view the IP address that it was assigned. The address is 169.123.13.34. Which of the following happened?

• The host received an APIPA address.

• The host received a multicast address.

• The host received a public address.

• The host received a private address.