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20 Cards in this Set
- Front
- Back
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On a network using TCP/IP, some nodes may use multiple IP addresses.
True False |
True
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In CIDR, conventional network class distinctions do not exist.
True False |
True
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The MIME standard replaces SMTP.
True False |
False
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POP3’s design makes it best suited to users who retrieve their mail from the same workstation all the time.
True False |
True
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IMAP4 servers require less storage space and usually more processing resources than POP servers do.
True False |
False
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A class ____ network class is reserved for special purposes.
a) A b) B c) C d) D |
d) D
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In ____ addressing, the network information portion of an IPv4 address is limited to the first 8 bits in a Class A address.
a) classful b) subnet c) stateful d) limited |
a) Classful
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In classful addressing, the Class B IPv4 address network ID is located in the ____.
a) last 8 bits b) last 16 bits c) first 8 bits d) first 16 bits |
d) first 16 bits
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In classful addressing, Class C IPv4 address host information is located in the ____.
a) last 8 bits b) last 16 bits c) first 8 bits d) first 16 bits |
a) last 8 bits
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Within a classful addressing subnet mask, the ____ bits indicate that corresponding bits in an IPv4 address contain network information.
a) 0 b) 1 c) first eight d) last eight |
c. first eight
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Within a classful addressing, ____ is the default subnet mask for a Class C address.
a. 255.255.255.255 b. 255.255.255.0 c. 255.255.0.0 d. 255.0.0.0 |
b) 255.255.255.0
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The result from ANDing 11001111 with 10010001 is ____.
a. 11001111 b. 10010001 c. 10000001 d. 00000001 |
c) 10000001
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When using classful IPv4 addressing, a network ID always ends with an octet of ____.
a) 0 b) 00000000 c) 1 d) 255 |
a) 0
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Because the octets equal to 0 and 255 are ____, only the numbers 1 through 254 can be used for host information in an IPv4 address.
a) unobtainable b) out-of-range c) reserved d) open for general use |
c) reserved
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CIDR notation takes the form of the network ID followed by a(n) ____, followed by the number of bits that are used for the extended network prefix.
a. dash ( - ) b. underscore ( _ ) c. backward slash ( \ ) d. forward slash ( / ) |
d) forward slash (/)
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The ____ gateway is the gateway that first interprets its outbound requests to other subnets, and then interprets its inbound requests from other subnets.
a. proxy b. core c. Internet d. default |
d) default
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The gateways that make up the Internet backbone are called ____ gateways.
a. proxy b. core c. Internet d. default |
b) core
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The most popular mail server programs are Sendmail and ____.
a. Eudora b. Microsoft Outlook c. AOL mail d. Microsoft Exchange Server |
d) Microsoft Exchange Server
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An example of a popular client email software is ____.
a. MIME b. Microsoft Outlook c. Sendmail d. Microsoft Exchange Server |
d) Microsoft Exchange Server
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SMTP operates from port ____.
a. 25 b. 11 c. 110 d. 250 |
a) 25
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