Deck 10: In-Depth TCP/IP Networking

Question 1

On a network using TCP/IP,some nodes may use multiple IP addresses.

Answer 1

True

Question 2

IMAP4 servers require less storage space and usually more processing resources than POP servers do.

Answer 2

False

Question 3

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

Answer 3

C

Question 4

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

Question 5

An example of a popular client email software is ____.

A) MIME
B) Microsoft Outlook
C) Sendmail
D) Microsoft Exchange Server

Question 6

When using classful IPv4 addressing,a network ID always ends with an octet of ____.

A) 0
B) 00000000
C) 1
D) 255

Question 7

In CIDR,conventional network class distinctions do not exist.

Question 8

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

Question 9

In ____ addressing,only Class A,Class B,and Class C addresses are recognized.

A) classful
B) subnet
C) stateful
D) limited

Question 10

An example of a popular mail server is ____.

A) Eudora
B) Microsoft Outlook
C) AOL mail
D) Microsoft Exchange Server

Question 11

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

Question 12

The gateways that make up the Internet backbone are called ____ gateways.

A) proxy
B) core
C) Internet
D) default

Question 13

POP3's design makes it best suited to users who retrieve their mail from the same workstation all the time.

Question 14

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

Question 15

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 ( / )

Question 16

The result from ANDing 11001111 with 10010001 is ____.

A) 11001111
B) 10010001
C) 10000001
D) 00000001

Question 17

The MIME standard replaces SMTP.

Question 18

A class ____ network class is reserved for special purposes.

A) A
B) B
C) C
D) D

Question 19

SMTP operates from port ____.

A) 25
B) 11
C) 110
D) 250

Question 20

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

Question 21

The standard message format specified by SMTP allows for lines that contain no more than ____ ASCII characters.

A) 100
B) 1000
C) 10,000
D) 1,000,000

Question 22

POP3 (Post Office Protocol,version 3)relies on TCP and operates over port ____.

A) 25
B) 11
C) 110
D) 250

Question 23

MATCHING
Match each item with a statement below:
a.ipconfig utility
f.dig utility
b.ifconfig utility
g.nslookup utility
c.netstat utility
h.whois utility
d.nbstat utility
i.traceroute utility
e.host utility
Allows an administrator to query a DNS database and find the host name associated with a specific IP address or vice versa.

Question 24

_____________________________________________ is a standard for encoding and interpreting binary files,images,video,and non-ASCII character sets within an e-mail message.

Question 25

IMAP (Internet Message Access Protocol)is a mail retrieval protocol that was developed as a more sophisticated alternative to ____.

A) POP3
B) POP
C) SMTP
D) MIME

Question 26

The combination of additional bits used for subnet information plus the existing network ID is known as the _________________________.

Question 27

MATCHING
Match each item with a statement below:
a.ipconfig utility
f.dig utility
b.ifconfig utility
g.nslookup utility
c.netstat utility
h.whois utility
d.nbstat utility
i.traceroute utility
e.host utility
Allows an administrator 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.

Question 28

MATCHING
Match each item with a statement below:
a.ipconfig utility
f.dig utility
b.ifconfig utility
g.nslookup utility
c.netstat utility
h.whois utility
d.nbstat utility
i.traceroute utility
e.host utility
Useful only on networks that run Windows-based operating systems and NetBIOS.

Question 29

The ____ utility allows you to view a host's routing table.

A) nbstat
B) pathping
C) dig
D) route

Question 30

________________________________________ is the protocol responsible for moving messages from one mail server to another over TCP/IP-based networks.

Question 31

____________________ separates a network into multiple logically defined segments,or subnets.

Question 32

MATCHING
Match each item with a statement below:
a.ipconfig utility
f.dig utility
b.ifconfig utility
g.nslookup utility
c.netstat utility
h.whois utility
d.nbstat utility
i.traceroute utility
e.host utility
Displays TCP/IP statistics and details about TCP/IP components and connections on a host.

Question 33

An administrator can discover the host name assigned to a client by using the ____ utility.

A) host
B) nbstat
C) hostname
D) nslookup

Question 34

MATCHING
Match each item with a statement below:
a.ipconfig utility
f.dig utility
b.ifconfig utility
g.nslookup utility
c.netstat utility
h.whois utility
d.nbstat utility
i.traceroute utility
e.host utility
The TCP/IP configuration and management utility used on UNIX and Linux systems.

Question 35

MATCHING
Match each item with a statement below:
a.ipconfig utility
f.dig utility
b.ifconfig utility
g.nslookup utility
c.netstat utility
h.whois utility
d.nbstat utility
i.traceroute utility
e.host utility
The TCP/IP administration utility for use with Windows NT,2000,XP,Vista,Server 2003,and Server 2008 operating systems.

Question 36

MATCHING
Match each item with a statement below:
a.ipconfig utility
f.dig utility
b.ifconfig utility
g.nslookup utility
c.netstat utility
h.whois utility
d.nbstat utility
i.traceroute utility
e.host utility
Queries a DNS registration database and obtain information about a domain.

Question 37

MATCHING
Match each item with a statement below:
a.ipconfig utility
f.dig utility
b.ifconfig utility
g.nslookup utility
c.netstat utility
h.whois utility
d.nbstat utility
i.traceroute utility
e.host utility
Uses ICMP ECHO requests to trace the path from one networked node to another,identifying all intermediate hops between the two nodes.

Question 38

MATCHING
Match each item with a statement below:
a.ipconfig utility
f.dig utility
b.ifconfig utility
g.nslookup utility
c.netstat utility
h.whois utility
d.nbstat utility
i.traceroute utility
e.host utility
Used if an administrator already know a host's name and wants to learn its IP address.

Question 39

The gateways that make up the Internet backbone are called ____________________.

Question 40

A program similar to mtr,____,is available as a command-line utility in Windows XP,Vista,Server 2003,and Server 2008.

A) nbstat
B) pathping
C) dig
D) route

Question 41

Explain how the traceroute utility uses ICMP ECHO requests to trace the path from one networked node to another,identifying all intermediate hops between the two nodes.

Question 42

Describe what PAT is and how it works.

Question 43

Explain how hiding IP addresses on private networks allows network managers more flexibility in assigning addresses.

Question 44

Explain why SNAT is considered static and describe why it useful.

Question 45

Describe four features of IMAP4.

Question 46

Explain what happens when an administrator issues the mtr command.

Question 47

Describe the formula determining how to modify a default subnet mask to create subnets.

Question 48

Explain how to calculate a host's network ID given its IPv4 address and subnet mask.

Question 49

Describe the function of the route utility and provide examples of how it is entered on a UNIX or Linux system,a Windows-based system,and a Cisco-brand router.

Question 50

If subnetting is used on a LAN,explain how devices interpret subnetting information.