Computer Network Ch7

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Which of the following is a valid Class A address?

126.10.0.1

How many bits are present in an IPv6 address?

128

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

224.0.0.1

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

24 bits

Which of the following describes a broadcast address?

All host bits are on (1s).

Which two statements about IPv4 and IPv6 addresses are true?

An IPv6 address is 128-bit, represented in hexadecimal & An IPv4 address is 32-bit, represented in decimal.

Which of the following is a valid Class B address?

129.1.1.1

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

169.254.x.x with a mask of 255.255.0.0

Which of the following are private IP addresses?

172.20.14.36 & 192.168.24.43

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

172.31.12.251

Which of the following is a Class C network address?

192.255.254.0

Which statement regarding private IP addresses is most accurate?

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

IPv6 unicast routing is running on the Corp router. Which of the following addresses would be used as the EUI-64 address?

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

Which of the following is a Layer 2 broadcast?

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 the IP address assigned was found to be 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.

What two statements about IPv6 addresses are true?

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

You want to ping the loopback address of your local host. Which two addresses could you type?

ping ::1 & ping 127.0.0.1


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