Chapter 9 Quiz Flashcards
In classful addressing, Class C IPv4 address host information is located in the ____.
last 8 bits
last 16 bits
first 8 bits
first 16 bits
last 8 bits
On a network using TCP/IP, some nodes may use multiple IP addresses. T/F
True
A program similar to mtr, ____, is available as a command-line utility in Windows operating systems.
nbstat
pathping
dig
route
pathping
A class ____ network class is reserved for special purposes.
A
B
C
D
D
The result from ANDing 11001111 with 10010001 is ____.
11001111
10010001
10000001
00000001
10000001
An administrator can discover the host name assigned to a client by using the ____ utility.
host
nbstat
hostname
nslookup
hostname
POP3 (Post Office Protocol, version 3) relies on TCP and operates over port ____.
25
11
110
250
110
The most popular mail server programs are Sendmail and ____.
Eudora
Microsoft Outlook
AOL mail
Microsoft Exchange Server
Microsoft Exchange Server
Within a classful addressing, ____ is the default subnet mask for a Class C address.
255.255.255.255
255.255.255.0 (C)
255.255.0.0 (B)
255.0.0.0 (A)
255.255.255.0
The ____ gateway is the gateway that first interprets its outbound requests to other subnets, and then interprets its inbound requests from other subnets.
proxy
core
Internet
default
default
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.
dash ( - )
underscore ( _ )
backward slash ( \ )
forward slash ( / )
forward slash ( / )
The gateways that make up the Internet backbone are called ____ gateways.
proxy
core
Internet
default
core
When using classful IPv4 addressing, a network ID always ends with an octet of ____.
0
00000000
1
255
0
In classful addressing, the Class B IPv4 address network ID is located in the ____.
last 8 bits
last 16 bits
first 8 bits
first 16 bits
first 16 bits
In CIDR, conventional network class distinctions do not exist. T/F
True
The MIME standard replaces SMTP. T/F
False
POP3’s design makes it best suited to users who retrieve their mail from the same workstation all the time. T/F
True
IMAP4 servers require less storage space and usually more processing resources than POP servers do. T/F
False
An example of a popular client email software is ____.
MIME
Microsoft Outlook
Sendmail
Microsoft Exchange Server
Microsoft Outlook
SMTP operates from port ____.
25
11
110
250
25
IMAP (Internet Message Access Protocol) is a mail retrieval protocol that was developed as a more sophisticated alternative to ____.
POP3
POP
SMTP
MIME
POP3
Within a classful addressing subnet mask, the ____ bits indicate that corresponding bits in an IPv4 address contain network information.
0
1
first eight
last eight
1
The standard message format specified by SMTP allows for lines that contain no more than ____ ASCII characters.
100
1000
10,000
1,000,000
1000
In ____ addressing, the network information portion of an IPv4 address is limited to the first 8 bits in a Class A address.
classful
subnet
stateful
limited
classful
The ____ utility allows you to view a host’s routing table.
nbstat
pathping
dig
route
route
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.
unobtainable
out-of-range
reserved
open for general use
reserved
