Which of the following is an invalid IP address for a host

07.01
Which of the following addresses is not allowed on the Internet?
A. 191.192.168.1
B. 191.168.169.254
C. 172.32.255.0
D. 172.31.12.251

Which of the following addresses is not allowed on the Internet?
A. 191.192.168.1
B. 191.168.169.254
C. 172.32.255.0
D. 172.31.12.251 (The Class B private address range is 172.16.0.0 through 172.31.255.255. The given address is in the private range, and thus not publically accessible.)

07.02
A host automatically configured with an address from which of the following ranges indicates
an inability to contact a DHCP server?
A. 169.254.0.X with a mask of 255.255.255.0
B. 169.254.X.X with a mask of 255.255.0.0
C. 169.254.X.X with a mask of 255.255.255.0
D. 169.255.X.X with a mask of 255.255.0.0

A host automatically configured with an address from which of the following ranges indicates
an inability to contact a DHCP server?
A. 169.254.0.X with a mask of 255.255.255.0
B. 169.254.X.X with a mask of 255.255.0.0 (Given address in the APIPA range: 169.254.0.0 through 169.254.255.255.)
C. 169.254.X.X with a mask of 255.255.255.0
D. 169.255.X.X with a mask of 255.255.0.0

07.03

Which statement regarding private IP addresses is most accurate?
A. Private addresses cannot be used in intranets that require routing.
B. Private addresses must be assigned by a registrar or ISP.
C. A remote host across the Internet cannot ping your host if it has a private address.
D. Private addresses can only be used by a single administrative domain.

Which statement regarding private IP addresses is most accurate?
A. Private addresses cannot be used in intranets that require routing.
B. Private addresses must be assigned by a registrar or ISP.
C. A remote host across the Internet cannot ping your host if it has a private address.
D. Private addresses can only be used by a single administrative domain.

07.04
Which of the following is a valid Class A address?
A. 191.10.0.1 255.0.0.0
B. 127.10.0.1 255.0.0.0
C. 128.10.0.1 255.0.0.0
D. 126.10.0.1 255.0.0.0

Which of the following is a valid Class A address?
A. 191.10.0.1 255.0.0.0
B. 127.10.0.1 255.0.0.0
C. 128.10.0.1 255.0.0.0
D. 126.10.0.1 255.0.0.0

07.05
Which of the following is a valid Class B address?
A. 10.1.1.1 255.255.0.0
B. 126.1.1.1 255.255.0.0
C. 129.1.1.1 255.255.0.0
D. 192.168.1.1 255.255.0.0

Which of the following is a valid Class B address?
A. 10.1.1.1 255.255.0.0
B. 126.1.1.1 255.255.0.0
C. 129.1.1.1 255.255.0.0
D. 192.168.1.1 255.255.0.0

07.06
Which of the following describes a broadcast address?
A. All network bits are on (1s).
B. All host bits are on (1s).
C. All network bits are off (0s).
D. All host bits are off (0s).

Which of the following describes a broadcast address?
A. All network bits are on (1s).
B. All host bits are on (1s).
C. All network bits are off (0s).
D. All host bits are off (0s).

07.07
Which of the following is a Layer 2 broadcast?
A. FF:FF:FF:EE:EE:EE
B. FF:FF:FF:FF:FF:FF
C. 255.255.255.255
D. 255.0.0.0

Which of the following is a Layer 2 broadcast?
A. FF:FF:FF:EE:EE:EE
B. FF:FF:FF:FF:FF:FF
C. 255.255.255.255
D. 255.0.0.0

07.08
In a class C IP address, how long is the network address?
A. 8 bits
B. 16 bits
C. 24 bits
D. 32 bits

In a class C IP address, how long is the network address?
A. 8 bits
B. 16 bits
C. 24 bits
D. 32 bits

07.09
Which of the following is true when describing a unicast address?
A. Packets addressed to a unicast address are delivered to a single interface.
B. These are your typical publicly routable addresses, just like regular publicly routable
addresses in IPv4.
C. These are like private addresses in IPv4 in that they are not meant to be routed.
D. These addresses are meant for nonrouting purposes, but they are almost globally
unique so it is unlikely they will have an address overlap.

Which of the following is true when describing a unicast address?
A. Packets addressed to a unicast address are delivered to a single interface.
B. These are your typical publicly routable addresses, just like regular publicly routable
addresses in IPv4.
C. These are like private addresses in IPv4 in that they are not meant to be routed.
D. These addresses are meant for nonrouting purposes, but they are almost globally
unique so it is unlikely they will have an address overlap.

07.10
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?
A. The host received an APIPA address
B. The host received a multicast address
C. The host received a public address
D. The host received a private address

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?
A. The host received an APIPA address
B. The host received a multicast address
C. The host received a public address (Remember that APIPA, the other possibility, is 169.254.X.X.)
D. The host received a private address

07.11
An IPv4 addresses uses 32 bits. How many bits is an IPv6 address?
A. 64
B. 128
C. 192
D. 255

An IPv4 addresses uses 32 bits. How many bits is an IPv6 address?
A. 64
B. 128
C. 192
D. 255

07.12
12. Which of the following is true when describing a multicast address?
A. Packets addressed to a unicast address from a multicast address are delivered to a
single interface.
B. Packets are delivered to all interfaces identified by the address. This is also called a
one-to-many address.
C. It identifies multiple interfaces and is delivered to only one address. This address can
also be called one-to-one-of-many.
D. These addresses are meant for nonrouting purposes, but they are almost globally
unique so it is unlikely they will have an address overlap.

12. Which of the following is true when describing a multicast address?
A. Packets addressed to a unicast address from a multicast address are delivered to a
single interface.
B. Packets are delivered to all interfaces identified by the address. This is also called a
one-to-many address.
C. It identifies multiple interfaces and is delivered to only one address. This address can
also be called one-to-one-of-many.
D. These addresses are meant for nonrouting purposes, but they are almost globally
unique so it is unlikely they will have an address overlap.

07.13
Which of the following is true when describing an anycast address?
A. Packets addressed to a unicast address from an anycast address are delivered to a single
interface.
B. Packets are delivered to all interfaces identified by the address. This is also called a
one-to-many address.
C. This address identifies multiple interfaces, and the anycast packet is delivered to only
one address. This address can also be called one-to-one-of-many.
D. These addresses are meant for nonrouting purposes, but they are almost globally
unique so it is unlikely they will have an address overlap.

Which of the following is true when describing an anycast address?
A. Packets addressed to a unicast address from an anycast address are delivered to a single
interface.
B. Packets are delivered to all interfaces identified by the address. This is also called a
one-to-many address.
C. This address identifies multiple interfaces, and the anycast packet is delivered to only
one address. This address can also be called one-to-one-of-many.
D. These addresses are meant for nonrouting purposes, but they are almost globally
unique so it is unlikely they will have an address overlap.

07.14
You want to ping the loopback address of your local host. Which two addresses could
you type?
A. ping 127.0.0.1
B. ping 0.0.0.0
C. ping ::1
D. trace 0.0.::1

You want to ping the loopback address of your local host. Which two addresses could
you type?
A. ping 127.0.0.1
B. ping 0.0.0.0
C. ping ::1
D. trace 0.0.::1

07.15
What two statements about IPv6 addresses are true?
A. Leading zeros are required.
B. Two colons (::) are used to represent successive hexadecimal fields of zeros.
C. Two colons (::) are used to separate fields.
D. A single interface will have multiple IPv6 addresses of different types.

What two statements about IPv6 addresses are true?
A. Leading zeros are required.
B. Two colons (::) are used to represent successive hexadecimal fields of zeros.
C. Two colons (::) are used to separate fields.
D. A single interface will have multiple IPv6 addresses of different types.

07.16
What two statements about IPv4 and IPv6 addresses are true?
A. An IPv6 address is 32 bits long, represented in hexadecimal.
B. An IPv6 address is 128 bits long, represented in decimal.
C. An IPv4 address is 32 bits long, represented in decimal.
D. An IPv6 address is 128 bits long, represented in hexadecimal.

What two statements about IPv4 and IPv6 addresses are true?
A. An IPv6 address is 32 bits long, represented in hexadecimal.
B. An IPv6 address is 128 bits long, represented in decimal.
C. An IPv4 address is 32 bits long, represented in decimal.
D. An IPv6 address is 128 bits long, represented in hexadecimal.

07.17
Which of the following is a Class C network address?
A. 10.10.10.0 255.255.255.0
B. 127.0.0.1 255.255.255.0
C. 128.0.0.0 255.255.0.0
D. 192.255.254.0 255.255.255.0

Which of the following is a Class C network address?
A. 10.10.10.0 255.255.255.0
B. 127.0.0.1 255.255.255.0
C. 128.0.0.0 255.255.0.0
D. 192.255.254.0 255.255.255.0

07.18
Which two of the following are private IP addresses? (Choose two.)
A. 12.0.0.1
B. 168.172.19.39
C. 172.20.14.36
D. 172.33.194.30
E. 192.168.24.43

Which two of the following are private IP addresses? (Choose two.)
A. 12.0.0.1
B. 168.172.19.39
C. 172.20.14.36
D. 172.33.194.30
E. 192.168.24.43

07.19
Which of the following is a valid IP address that can be used on the Internet (meaning the
public addressing scheme)?
A. 10.10.1.1
B. 168.16.1.1
C. 234.1.1.1
D. 172.30.1.1

Which of the following is a valid IP address that can be used on the Internet (meaning the
public addressing scheme)?
A. 10.10.1.1
B. 168.16.1.1
C. 234.1.1.1
D. 172.30.1.1

07.20
Which of the following is an invalid IP address for a host?
A. 10.0.0.1
B. 128.0.0.1
C. 224.0.0.1
D. 172.0.0.1

Which of the following is an invalid IP address for a host?
A. 10.0.0.1
B. 128.0.0.1
C. 224.0.0.1 (This is a Class D multicast address, and thus not a vaild host address.)
D. 172.0.0.1

07.21
Class A valid address range?

First Valid Host Address: 1.0.0.1
Last Valid Host Address: 126.255.255.254

07.22
Class A private address range?

First Valid Address: 10.0.0.1
Last Valid Address: 10.255.255.254

07.24
Class B valid address range?

First Valid Host Address: 128.0.0.1
Last Valid Host Address: 191.255.255.254

07.25
Class B private address range?

First Valid Address: 172.16.0.1
Last Valid Address: 172.31.255.254

07.26
Class C valid address range?

First Valid Host Address: 192.0.0.1
Last Valid Host Address: 223.255.255.254

07.27
Class C private address range?

First Valid Address: 192.168.0.1
Last Valid Address: 192.168.255.254

07.28
APIPA address range?

First Valid Address: 169.254.0.0
Last Valid Address: 169.254.255.255
(or. 169.254.X.Y)

07.29
Class D (multicast) address range?

First Valid Network: 224.0.0.1
Last Valid Network: 239.255.255.254

07.30
Class E (reserved) address?

First Valid Network: 240.0.0.1
Last Valid Network: 255.255.255.254

What is an invalid IP address for a host?

What is an example of an invalid IP address?

Is 127.0 0.1 a valid IP address for a host?

Is 0.0 0.0 is a valid IP?