Chapter 1

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1. Which of the following statements are true ? a. IPv4 uses 32-bit addressing. b. IPv4 uses 128-bit addressing. c. IPv4 consists of a network ID and MAC address. d. IPv4 consists of a host ID and MAC address.

a

2. Which of the following is the primary reason IPv6 has not completely replaced IPv4? a. Administrators are hesitant and reluctant to change. b. Stopgap technologies such as Network Address Translation (NAT) and classless interdomain routing (CIDR) alleviate the lack of registered IPv4 addresses. c. IPv4 addresses have only been depleted since early 2011. d. IPv6 has already replaced IPv4 on the Internet.

a

5. Which of the following is an example of a valid IPv4 address? a. 192.168.42.1 b. 21cd:0053:0000:0000:e8bb:04f2:003c:c394 c. 192.256.1.42 d. 21cd:53::e8bb:4f2:3c:c394

a

9. Which of the following is the stateless address autoconfiguration process, during a Windows computer start? a. The computer assigns itself an anycast address. b. The computer pings for an DHCP address. c. The computer assigns itself 192.168.0.1. d. The computer assigns itself a link-local unicast address.

a

1. When communicating with a server on another subnet, which of the following settings is used to determine which direction it needs to go to get to its final destination? a. Subnet mask b. Default gateway c. DNS d. IP address

b

10. Which IPv6 transition technology is based on an automatic tunneling technology that functions behind one or multiple IPv4 NATs? a. ISAPI b. Teredo c. 6to4 d. IPsec

b

2. How many bits does a standard IPv6 unicast address use to represent the network ID? a. 32 b. 64 c. 128 d. 10

b

3. Which of the following describes Intra-Site Automatic Tunnel Addressing Protocol (ISATAP)? a. ISATAP converts IPv4 addresses for an IPv6 network just as 6to4 offers. b. ISATAP emulates an IPv6 link for use on an IPv4 network. c. ISATAP is a method of multicasting for IPv6 networks. d. ISATAP translates between IPv4 and IPv6 networks without client configuration.

b

4. Which IPv6 transition technology starts with the FE80:/64 prefix and includes the IPv4 address in hexadecimal form at the end of the IPv6 address? a. 6to4 b. ISATAP c. Teredo d. NAT-T

b

6. Which of the following is an example of a valid IPv6 address? a. 192.168.42.1 b. 21cd:0053:0000:0000:e8bb:04f2:003c:c394 c. 192.256.1.42 d.21cd:53::::e8bb:4f2:3c:c394

b

8. How does classless interdomain routing (CIDR) help reduce waste of IP addresses? a. CIDR uses a subnetting method also called variable length subnet masking. b. CIDR uses a subnetting method that divides between network bits and host bits anywhere, not just between octets. c. CIDR uses Network Address Translation. d. CIDR converts between IPv4 and IPv6.

b

7. Which of the following is (are) the class(es) of IPv4 addresses used to provide support for networks? a. Class A b. Classes A and B c. Classes A, B, and C d. Classes A, B, C, and D

c

1. Specify the correct order of steps necessary to calculating an IPv4 subnet mask. a. Calculate the subnet mask by adding the network and subnet bits in binary form and converting the binary value to decimal. b. Take the least significant subnet bit and the host bits, in binary form, and convert them to a decimal value. c. Determine how many subnet identifier bits you need to create the required number of subnets. d. Subtract the subnet bits you need from the host bits and add them to the network bits. e. Increment the network identifier (including the subnet bits) by the decimal value you calculated to determine the network addresses of your new subnets.

c, d, a, b, e

3. Which of the following is the default CIDR notation for a Class C subnet? a. /8 b. /12 c. /16 d. /24

d

2. Specify the correct order of steps necessary to configuring IP address settings. a. Select the Internet Protocol Version 4 (TCP/IPv4) component and click Properties. The Internet Protocol Version 4 (TCP/IPv4) Properties dialog box opens. b. In the Properties dialog box, click the Ethernet hyperlink. The Network Connections window opens. c. Right-click the Ethernet icon and choose Properties. The Ethernet Properties dialog box opens. d. In the left pane of the Server Manager window, click the Local Server icon. e. Specify the preferred and alternate DNS server address. f. Set the IP address, subnet mask, and default gateway.

d, b, c, a, f, e


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