CompTIA Network+ Ch.7: IP Addressing

Which of the following are private IP addresses? (2) A. 12.0.0.1 B. 168.172.19.39 C. 172.33.194.30 D. 192.168.24.43

-172.20.14.36 -192.168.24.43

What two statements about IPv4 and IPv6 addresses are true?

-An IPv4 address is 32 bits long, represented in decimal -An IPv6 address is 128 bits long, represented in dexadecimal

What two statements about IPv6 addresses are true?

-Two colons (::) are used to represent successive hexadecimal fields of zeros -A single interface will have multiple IPv6 addresses of different types

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

-ping 127.0.0.1 -ping : : 1

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

126.10.0.1

An IPv4 address uses 32 bits. How many bits is an IPv6 address?

128

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

129.1.1.1

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

24 bits

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

169.254.x.x with a mask of 255.255.0.0

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

172.31.12.251

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

192.255.254.0

Which of the following is a valid 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

224.0.0.1

Which statement regarding private IP addresses is most accurate?

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

Which of the following describe a broadcast address?

All host bits are on (1s)

IPv6 unicast routing is running on the Corp router. Which of the following addresses would be used as the EUI-64 address? Corp#sh int f0/0 FastEthernet 0/0 is up, line protocol is up Hardware is AmdFE, address is 000d.bd3b.0d80 (bia 000d.bd3b.0d80) [output cut]

FE80::3c3d:2d:bdff:fe3b:0d80

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

FF.FF.FF.FF.FF.FF

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

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

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

Packets are delivered to all interfaces identified by the address. This is also called a one-to-many 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?

The host received a public address

Which of the following is true when describing an anycast address?

This address identifies multiple interfaces, and the anycast packet is delivered to only one address: the closest one. This address can also be called one-to-nearest