CCNA Chapter 9 Revision Guide
Question 1
A device on a network that wishes to communicate with another device must first have what two things?
Learn what devices require for a successful connection!!
Question 2
What are some disadvantages when using BOOTP rather than DHCP? (Choose 2)
a) Inability to provide dynamic address assignment
b) Inability to maintain MAC Address tables consistently
c) It is necessary for users to be highly mobile
d) The administrator must add hosts and maintain the BOOTP database
e) Hosts must maintain multiple IP addresses simultaneously
Learn the differences between BOOTP and DHCP protocols!!!
Question 3
Which of the following items may be included in a DHCP packet? (Choose 3)
a) Boot file name
b) Client IP address
c) Hardware address length
d) WAN IP server number
e) Administrator assigned unique code
Learn the makeup and content of both BOOTP and DHCP packets!!!
Question 4
What should an administrator consider when assigning an IP address to a network server? (Choose 2)
a) Servers should have addresses assigned dynamically through a DHCP
b) Servers with a dynamically assigned IP address would be difficult to locate on a network
c) Servers with periodically changed IP addresses have little effect on the network
d) Servers should have IP addresses assigned statically by a network administrator
Learn about dynamic and static IP addressing and when it would be appropriate to use which one!!!
Question 5
Name three solution developed to expand the number of IP addresses available for public use
Learn about public IP addressing and the problems associated with it
Question 6
Which criteria identify a Class A IP address? (Choose 2)
a) Decimal number in the first octet between 1-127
b) Decimal number in the first octet between 128-191
c) First bits of binary IP address are 110
d) Decimal number in the first octet between 1-126
e) First bit of binary IP address is 0
f) First Bits of binary IP addresses are 10
Learn you IP addressing schemes and how to easily recognise them!!!
Question 7
Using the above diagram, state which addresses are likely to be public addresses and which are likely
to be private. Explain your answer.
Learn the difference between a public and a private IP addressing scheme and where we would
appropriate to use either!!!
Question 8
Which of the following are differences between the OSI and TCP/IP model? (Choose 3)
a) Packet-switched, not circuit-switched, technology is assumed
b) TCP/IP appears simpler because it has fewer layers
c) They have different transport and network layers
d) TCP/IP combines the OSI data link and physical layers into one layer
e)
TCP/IP transport layer using
UDP does not always guarantee reliable delivery of packets as
the transport layer in the OSI model does
f) OSI model has the same number of layers but with different names
Learn the similarities and differences between the two models!!!
Question 9
Within a companys TCP/IP network, failure to access email on a remote server has been diagnosed as a
network access problem. Which of the following could be the cause? (Choose 2)
a) DNS
b) PPP
c) ATM
d) TCP
e) SMTP
f) Ethernet
Learn what processes operate at which layers and what they all do!!!
Question 10
Name three operations performed by IP.
Learn the function of TCP and IP, what they do in relation to the TCP/IP model!!!
Question 11
Name the protocols that operate at the Application layer of the TCP/IP model (Choose 3)
a) SMTP
b) NDS
c) HTTP
d) Telnet
e) FTP
f) UDP
Learn the protocols for each layer of the TCP/IP model and what their functions are!!!
Question 12
Which functions does the Transport layer of the TCP/IP model handle? (Choose 3)
a) Provides transport services from the source host to the destination host
b) Flow control provided by sliding windows
c) Handles high-level protocols, issues of representation, encoding, and dialog control
d) Transfers data between the Internet layer and network access layers
e) Segmenting upper-layer application data
Learn which functions are handled at which layers!!!
Question 13
Which is the current standard of TCP/IP and when was its inception? (Choose 2)
a) IPv6
b) IPv3
c) IPv4
d) 1981
e) 1992
f) 1985
Learn about when the standards were introduced and what the differences are!!!
Question 14
The data link and physical layers of the OSI model relate to which layer in the TCP/IP model?
a) Application
b) Transport
c) Physical
d) Network Access
e) Internet
f) Session
Learn about the comparisons of the two models!!!
Question 15
Name the device table maintained by devices on a network that would contain the IP and MAC
addresses of other devices on the LAN.
Learn how devices register and maintain the location of other devices on the network!!!
Question 16
What is the function of the Address Resolution Protocol (ARP) on a local area network? (Choose 2)
a) To obtain the Physical MAC address of a device when the IP address is already known
b) To maintain tables of IP and MAC addresses on the LAN
c) To obtain the IP address of a device when the physical MAC address is already known
d) To obtain the URL of a web browser to allow internet access
e) To obtain the default gateway IP address on the network
Learn the functions of ARP and RARP!!!
Question 17
What sort of request could be issued to prevent duplicate IP addresses being used on a LAN?
a) ARP
b) RARP
c) DHCP
d) NDSE
e) Commit to IP request
Learn how IP addresses are dynamically assigned!!!
Question 18
What purpose could the OSI model serve to a networking professional? (Choose 3)
a) Enable better understanding of the data communications process
b) Help to remember where routers are on his LAN
c) Assist in the easier learning of new networking technologies
d) Assist with the allocation of private IP addressing schemes
e) Allow changes in one part of his network to always work with existing network infrastructure
Bit of revision on the purposes of the OSI model!!!
Question 19
Which layer is considered to be the host-to-host network layer of the TCP/IP model?
a) Application
b) Presentation
c) Transport
d) Network Access
e) Data Link
f) Internet
Learn about the individual layer functions of all the TCP/IP layers!!!
Question 20
Explain the function of ICMP
Question 21
Which TCP/IP model provides services that support a logical connection between the sending and receiving hosts?
a) Application
b) Network
c) IP
d) Transport
e) Presentation
f) Session
Question 22
Name two things necessary for one network device to communicate with another device in that first it
must locate the other device
Good luck with the test!!!