CompTIA Networking+ Chapter 7

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Which of the following is a valid Class A address?

126.10.0.1 255.0.0.0

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

169.254.x.x with a mask of 255.255.0.0

Which of the following is a Class C IPv4 address?

201.150.176.1

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 is the default subnet mask for a Class B IPv4 address?

255.255.0.0

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 describes a broadcast address?

All host bits are on (1s).

Which of the following is a Class A IPv4 address?

120.176.150.1

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

128

Which of the following is a valid Class B address?

129.1.1.1 255.255.0.0

Which of the following is a valid IP address that can be used on the Internet (meaning the public addressing scheme)?

168.16.1.1

Which of the following is classified as an APIPA address?

169.254.10.125

Which of the following is classified as Class B private IP address?

172.16.169.254

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

172.31.12.251

Which of the following is a layer 2 broadcast?

FF.FF.FF.FF.FF.FF

There are two components of an IPv4 address. Which of the following is one of them?

Host ID

Which of the following statements is true in reference to the following IP address? 10.10.10.1

It is a Private Class A address.

When networked computers boot up, they are configured with a 169.254.x.x IP address. They cannot access Internet resources. What is the problem?

The DHCP server is down.

You are not able to access the Internet using your laptop. Your laptop has the following configuration: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Dell Wireless WLAN 1350 WLAN Mini-PC I Card Physical Address. . . . . . . . . : 00-0B-7D-11-54-3C Dhcp Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IP Address. . . . . . . . . . . . : 10.0.0.256 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 10.0.0.225 DHCP Server . . . . . . . . . . . : 10.0.0.225 DNS Servers . . . . . . . . . . . : 10.0.0.100 10.0.0.101 Lease Obtained. . . . . . . . . . : Thursday, August 01, 2007 11:47:10 AM Lease Expires . . . . . . . . . . : Friday, August 02, 2007 11:47:10 AM Why can't you access the Internet?

The IP address is misconfigured.

You are not able to access the Internet using your laptop. Your laptop has the following configuration: IP Address. . . . . . . . . . . . : 10.0.0.230 Subnet Mask . . . . . . . . . . . : 255.255.255.255 Default Gateway . . . . . . . . . : 10.0.0.225 Why can't you access the Internet?

The subnet mask is misconfigured.

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

ping 127.0.0.1


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