True/False
Indicate whether the sentence or statement is true
or false.
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1.
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In
classful addressing, only Class A, Class B, and Class C addresses are recognized.
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2.
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The
“0” bits in a subnet mask indicate that corresponding bits in an IP address contain network
information.
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3.
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CIDR
is not exclusive of subnetting; it merely provides additional ways of arranging network and host
information in an IP address.
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4.
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Routers that rely on older routing protocols, such as RIP, are capable of interpreting
classless IP addresses.
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5.
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When
a router is used as a gateway, it must maintain routing tables as well.
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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6.
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Leasing an entire Class C network of addresses gives you ____ usable IP
addresses.
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7.
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A(n)
____ indicates where network information is located in an IP address. a. | CIDR | c. | subnet
mask | b. | gateway | d. | ICS
host | | | | |
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8.
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The
formula for determining how to modify a default subnet mask is ____. a. | 2n -
2 = Y | c. | 2n -
1 = Y | b. | 2n - 4 = Y | d. | 4n - 2 = Y | | | | |
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9.
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Together, the additional bits used for subnet information plus the existing network ID
are known as the ____. a. | network prefix | c. | NAT | b. | extended network prefix | d. | supernet mask | | | | |
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10.
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A
subnet created by moving the subnet boundary to the left is known as a(n) ____. a. | toll
bypass | c. | softphone | b. | supernet mask | d. | supernet | | | | |
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11.
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____
are a combination of software and hardware that enable two different network segments to exchange
data. a. | Intranets | c. | Softphones | b. | Gateways | d. | ICS hosts | | | | |
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12.
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A
network that uses Internet-like services and protocols to exchange information within an organization
and with certain, authorized users outside of that organization is known as a(n)
____. a. | intranet | c. | extranet | b. | supernet | d. | PBX | | | | |
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13.
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____
is the protocol responsible for moving messages from one mail server to another over TCP/IP-based
networks.
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14.
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____
is a standard for encoding and interpreting binary files, images, video, and non-ASCII character sets
within an e-mail message.
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15.
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____
is an Application layer protocol used to retrieve messages from a mail server.
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16.
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____
is a mail retrieval protocol that was developed as a more sophisticated alternative to
POP3.
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17.
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The
netstat ____ command allows you to display the routing table on a given
machine.
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18.
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On
networks that run NetBIOS over TCP/IP, the ____ utility can provide information about NetBIOS
statistics and resolve NetBIOS names to their IP addresses. a. | netstat | c. | tracert | b. | nbtstat | d. | nslookup | | | | |
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19.
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The
____ utility allows you to query the DNS database from any computer on the network and find the host
name of a device by specifying its IP address, or vice versa. a. | nbtstat | c. | tracert | b. | netstat | d. | nslookup | | | | |
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20.
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The
utility that allows you to query the DNS registration database and obtain information about a domain
is called ____. a. | whois | c. | ifconfig | b. | netstat | d. | dig | | | | |
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21.
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The
____ utility uses ICMP to trace the path from one networked node to another, identifying all
intermediate hops between the two nodes. a. | dig | c. | nslookup | b. | netstat | d. | traceroute | | | | |
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22.
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____
is a command-line utility that provides information about a network adapter’s IP address, subnet
mask, and default gateway. a. | winipcfg | c. | dig | b. | Ipconfig | d. | ifconfig | | | | |
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23.
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The
____ utility performs the same TCP/IP configuration and management as the ipconfig utility, but
applies to Windows 9x and Me operating systems. a. | netstat | c. | whois | b. | dig | d. | winipcfg | | | | |
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24.
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____
is the TCP/IP configuration and management utility used on UNIX-type of systems. a. | winipcfg | c. | nbstat | b. | Ifconfig | d. | dig | | | | |
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25.
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In
classful addressing, the network information portion of an IP address (the network ID) is limited to
the first ____ bits in a Class A address.
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26.
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When
working on a UNIX-type of system, you can limit the maximum number of router hops the traceroute
command allows by typing the ____ switch.
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