Name: 
 

Chapter4


True/False
Indicate whether the statement is true or false.
 

 1. 
All protocols are routable.
 

 2. 
ICMP (Internet Control Message Protocol) reports on the success or failure of data delivery.
 

 3. 
The format of ARP tables is the same from one operating system to another.
 

 4. 
The command used to view IP information on a Windows workstation is ipconfig.
 

 5. 
If your network does not need or use APIPA, it must be uninstalled to avoid conflicts.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 
TCP is a(n) ____ subprotocol.
a.
open-ended
c.
connection-oriented
b.
indiscriminating
d.
connectionless
 

 2. 
A(n) ____ number is the address on a host where an application makes itself available to incoming or outgoing data.
a.
port
c.
destination
b.
source
d.
application
 

 3. 
____ is more efficient than TCP for carrying messages that fit within one data packet.
a.
IP
c.
ICMP
b.
UDP
d.
IGMP
 

 4. 
A UDP header contains ____fields.
a.
four
c.
eight
b.
six
d.
ten
 

 5. 
The subprotocol that enables TCP/IP to internetwork - that is, to traverse more than one LAN segment and more than one type of network through a router is ____.
a.
TCP
c.
UDP
b.
ICMP
d.
IP
 

 6. 
____ operates at the Network layer and manages multicasting.
a.
IGMP
c.
UDP
b.
ICMP
d.
IP
 

 7. 
____ ARP table entries are created when a client makes an ARP request that cannot be satisfied by data already in the ARP table.
a.
Static
c.
Temporary
b.
Dynamic
d.
On-demand
 

 8. 
In the TCP/IP protocol suite, ____ is the core protocol responsible for logical addressing.
a.
TCP
c.
IP
b.
UDP
d.
ARP
 

 9. 
In IPv4 addressing, each IP address is a unique ____ number.
a.
12-bit
c.
64-bit
b.
32-bit
d.
128-bit
 

 10. 
In IPv4 addressing, a node with an IP address of 168.34.88.29 belongs to a Class ____ network.
a.
A
c.
C
b.
B
d.
D
 

 11. 
In IPv4 addressing, an IP address whose first octet is in the range of 192–223 belongs to a Class ____ network.
a.
A
c.
C
b.
B
d.
D
 

 12. 
In dotted decimal notation, a(n) ____ separates each decimal.
a.
dash
c.
colon
b.
slash
d.
period
 

 13. 
The default subnet mask for a Class B network is ____.
a.
255.0.0.0
c.
255.255.255.0
b.
255.255.0.0
d.
255.255.255.255
 

 14. 
In most cases, BOOTP has been surpassed by the more sophisticated IP addressing utility, ____.
a.
DNS
c.
DHCP
b.
RARP
d.
APIPA
 

 15. 
A(n) ____ address represents any one interface from a group of interfaces, any one of which can accept a transmission.
a.
anycast
c.
multicast
b.
unicast
d.
singlecast
 

 16. 
In IPv6, each address contains a(n) ____, or a variable-length field at the beginning of the address that indicates what type of address it is.
a.
Variable Prefix
c.
Format Prefix
b.
Address Prefix
d.
Field Prefix
 

 17. 
If the standard port number for the Telnet service is 23, a host whose IPv4 address is 10.43.3.87 has a socket address for Telnet of ____.
a.
10.43.3.87/23
c.
10.43.3.87-23
b.
10.43.3.87:23
d.
23:10.43.3.87
 

 18. 
In the domain name www.google.com, ____ is the top-level domain (TLD).
a.
http
c.
google
b.
www
d.
com
 

 19. 
____ is a terminal emulation protocol used to log on to remote hosts using the TCP/IP protocol suite.
a.
NNTP
c.
Telnet
b.
NTP
d.
FTP
 

 20. 
____ is a simple Application layer protocol used to synchronize the clocks of computers on a network.
a.
NNTP
c.
PING
b.
NTP
d.
ARP
 

 21. 
____ is a utility that can verify that TCP/IP is installed, bound to the NIC, configured correctly, and communicating with the network.
a.
ARP
c.
Telnet
b.
PING
d.
FTP
 

Completion
Complete each statement.
 

 1. 
Protocols that can span more than one LAN (or LAN segment) are ____________________, because they carry Network layer addressing information that can be interpreted by a router.
 

 

 2. 
TCP ensures reliable data delivery through sequencing and ____________________.
 

 

 3. 
A(n) ____________________ is a special 32-bit number that, when combined with a device’s IP address, informs the rest of the network about the segment or network to which the device is attached.
 

 

 4. 
____________________ is a process of subdividing a single class of networks into multiple, smaller logical networks, or segments.
 

 

 5. 
Whether connecting to the Internet or to another computer within a LAN, every node on a network must have a unique ____________________.
 

 

Matching
 
 
Match each item with a statement below:
a.
Well Known Ports
f.
dotted decimal notation
b.
Registered Ports
g.
namespace
c.
fully qualified host name
h.
host file
d.
resolvers
i.
Dynamic Ports
e.
DNS
 

 1. 

 The most common way of expressing IP addresses.
 

 2. 

 Ports ranging from 49152 through 65535; open for use without restriction.
 

 3. 

 The local host name plus its domain name.
 

 4. 

 The ASCII text file called HOSTS.TXT that associates host names with IP addresses.
 

 5. 

 The database of Internet IP addresses and their associated names.
 

 6. 

 A hierarchical way of associating domain names with IP addresses.
 

 7. 

 Ports ranging from 0 to 1023; assigned to processes that only the operating system or an administrator of the system can access.
 

 8. 

 Ports ranging from 1024 to 49151; accessible to network users and processes that do not have special administrative privileges.
 

 9. 

 Any hosts on the Internet that need to look up domain name information.
 

Short Answer
 

 1. 
Describe the Time to Live (TTL) field in an IP datagram.
 

 2. 
Describe multicasting.
 

 3. 
Describe how ARP improves efficiency of MAC-to-IP address mappings.
 

 4. 
In IPv4 addressing, eight bits have 256 possible combinations.Only the numbers 1 through 254 can be used to identify networks and hosts in an IP address. Explain what the number 0 and the number 255 are used for in IPv4 addressing.
 

 5. 
In IPv4 addressing, explain what is special about an address containing 127 in the first octet and how this address is used in troubleshooting.
 

 6. 
Describe the subnet mask and how they are assigned.
 

 7. 
Describe the size differences in IPv4 and IPv6 IP addresses.
 

 8. 
Describe the DHCP leasing process.
 

 9. 
Define and describe Zeroconf (Zero Configuration).
 

 10. 
Define and describe DDNS (Dynamic DNS).
 



 
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