Bài tập IP

1. You are creating a DHCP scope for your 192.168.1.32/28 subnet. The subnet
consists of Windows 2000, Windows 98, and Windows 95 computers. You have two
UNIX computers on this subnet that will be assigned the two highest available static
IP addresses. The subnet's default gateway will be assigned the lowest available IP
address on the subnet. Which scope should you create on your DHCP server?
a. 192.168.1.34 - 192.168.1.46
b. 192.168.1.34 - 192.168.1.44
c. 192.168.1.33 - 192.168.1.45
d. 192.168.1.34 - 192.168.1.61
e. 192.168.1.33 - 192.168.1.60
2. Your network uses an address of 172.30.0.0/16. Your projected growth for the
network indicates a need for at least 25 subnets with a minimum of 1,000 hosts per
subnet. What subnet mask should you configure to meet these needs?
a. 255.255.252.0
b.255.255.248.0
c.255.255.240.0
d.255.255.255.252
3. Your network has 1,900 hosts, and requires Internet connectivity. Your network is
not routed, except for the connection to the Internet. You have been assigned the
following eight network addresses from your ISP:
192.24.32.0/24
192.24.33.0/24
192.24.34.0/24
192.24.35.0/24
192.24.36.0/24
192.24.37.0/24
192.24.38.0/24
192.24.39.0/24
Your goal is to minimize the complexity of the routing tables, while maintaining
Internet connectivity for all hosts. What subnet mask should you use?
a.255.255.252.0

b.255.255.248.0
c.255.255.255.248
d.255.255.240.0
4. You are planning to migrate your 100 network computers from IPX/SPX to
TCP/IP and establish connectivity with the Internet. Your ISP assigns the address
192.168.16.0/24 to your network. You require 10 subnets with at least 10 hosts per
subnet. What subnet mask should you use?
a. 255.255.255.224
b. 255.255.240.0
c. 255.255.254.240
d. 255.255.255.248
6. You are the administrator for your company network. Your company has been
assigned Class C addressing. Projected growth for the company over the next 3 years
indicates a need for as many network nodes as possible. What subnet mask should
you use to maximize the amount of network nodes available on the network?
a. 255.255.255.0
b. 255.255.255.240
c. 255.255.255.248
d. 255.255.255.252
e. 255.255.255.254
8. Your network uses an address of 172.30.0.0/16. Your initially will need 31 subnets
with a minimum of 1,200 hosts per subnet.. The projected growth for next year
though, indicates a need for at least 58 subnets. What subnet mask should you
configure to meet these needs?
a/ 255.255.240.0
b/ 255.255.248.0
c/ 255.255.252.0
d/ 255.255.254.0
e/ 255.255.255.0
9. Your network uses an address of 190.24.0.0/16. Your projected growth for the

network indicates a need for at least 27 subnets with a minimum of 1,100 hosts per
subnet. What subnet mask should you configure to meet these needs?
a/ 255.255.252.0
b/ 255.255.252.10
c/ 255.255.255.0
d/ 255.255.255.10
11. Your network has been assigned the IP address 163.23.0.0/16. During the next
month, an additional 26 subnets each with a maximum of 1050 hosts will be added to
the network. What subnet mask should you use to meet the future needs of the
network?
a/ 255.255.240.0
b/ 255.255.248.0
c/ 255.255.252.0
d/ 255.255.254.0
e/ 255.255.255.0
12. You are the network administrator at VSIC. You verify the configuration of a
newly installed host by establishing an FTP connection to a remote server. What is the
highest layer of the protocol stack used in this operation?
A. application
B. presentation
C. session
D. transport
E. network
F. data link
G. physical
13. Which of the following network masks would you use to reduce any wastage of IP
addresses in point-to-point WAN links on a network that supports VLSM?
A. /38
B. /30
C. /27

D. /23
E. /18
14. Your company has been assigned the following IP address for its network:
199.141.27.0 Of subnet mask of 255.255.255.240 was selected to make provision for
the LAN design. Which of the following addresses can be assigned to hosts on the
resulting subnets?
A. 199.141.27.126
B. 199.141.27.175
C. 199.141.27.33
D. 199.141.27.119
E. 199.141.27.208
F. 199.141.27.112
15. Which of the following types of packets will be allowed entry when a serial
interface’s inbound access list has been configured to prohibit entry for TCP and
UDP ports 21, 23 and 25? (Select three options.)
A. SMTP
B. STP
C. FTP
D. Telnet
E. HTTP
F. POP3
16. Study the Exhibit below carefully:
A. 01100100.00001010.11101011.00100111
B. 10101100.00010010.10011110.00001111
C. 11000000.10100111.10110010.01000101
Which of the following statements regarding the IP addresses as illustrated in the
exhibit above, are true?(Select three options.)
A. Address C is a public Class C address.
B. Address C is an exclusive Class C address.
C. Address B is a public Class B address.

D. Address A is a public Class A address.
E. Address B is a private Class B address.
F. Address A is an exclusive Class A address.
17. Consider the address 192.168.15.19/28, which of the following addresses are valid
host addresses on this subnet? (Select two options.)
A. 192.168.15.17
B. 192.168.15.0
C. 192.168.15.29
D. 192.168.15.16
E. 192.168.15.31
18. You are a systems administrator and you are about to assign static IP addresses to
various servers on your network. For the network 192.168.20.24/29 the router is
assigned to the first usable host address, while the last usable host address goes to
your Sales server. Which one of the following commands would you enter into the IP
properties box of the sales server?
A. IP address: 192.168.20.14 Subnet Mask: 255.255.255.248 Default Gateway:
192.168.20.9
B. IP address: 192.168.20.254 Subnet Mask: 255.255.255.0 Default Gateway:
192.168.20.1
C. IP address: 192.168.20.30 Subnet Mask 255.255.255.248 Default Gateway:
192.168.20.25
D. IP address: 192.168.20.30 Subnet Mask 255.255.255.240 Default Gateway:
192.168.20.17
E. IP address: 192.168.20.30 Subnet Mask 255.255.255.240 Default Gateway:
192.168.20.25
19. The Testking Texas branch network is displayed in the following diagram:
[IMG]file:///C:/DOCUME%7E1/tuan/LOCALS
%7E1/Temp/msohtml1/01/clip_image002.gif[/IMG]
Of the following choices, which IP address should be assigned to the PC host?
A. 192.168.5.5

B. 192.168.5.32
C. 192.168.5.40
D. 192.168.5.63
E. 192.168.5.75
20. Which two of the addresses below are available for host addresses on the subnet
192.168.15.19/28? (Select two answer choices)
A. 192.168.15.17
B. 192.168.15.14
C. 192.168.15.29
D. 192.168.15.16
E. 192.168.15.31
F. None of the above
21. QUESTION NO: 11
Which of the following is an example of a valid unicast host IP address?
A. 172.31.128.255./18
B. 255.255.255.255
C. 192.168.24.59/30
D. FFFF.FFFF.FFFF
E. 224.1.5.2