Name
Period
CCNA 2
Chapter 4 Study Guide
Section
1
2
3
4
5
6
7
8
9
Question/Topic
4.1.1 Review of
IP Addresses
In an 8 bit binary number, what is the total
number of combinations of the eight bits?
4.1.1 Review of Convert the decimal number 250 into its binary
IP Addresses
equivalent. Select the correct answer from the list
below.
4.1.1 Review of How many usable hosts are available given a
IP Addresses
Class B IP address with the default subnet
5.2.1 IP
mask?
Address
Classes and
Default Subnet
Masks
4.1.4 VLSM
and Classless
Inter-Domain
Routing (CIDR)
4.1.3 Custom
Subnet Masks
What is the network broadcast address for a
Class A address of 10.31.0.0 with the default
subnet mask?
Company ABC uses a network address of
192.168.4.0. It uses the mask of
255.255.255.224 to create subnets. What is the
maximum number of usable hosts in each
subnet?
4.1.1 Review of Which IPv4 class provides the highest number of
IP Addresses
host addresses per network?
4.1.1 Review of Which IPv4 class of addresses provides the most
IP Addresses
networks?
4.1.2
Which statement accurately describes public IP
Subnetting a
addresses?
Network
4.1.3 Custom
Subnet Masks
4.1.5
Communicating
Between
Subnets
Refer to the exhibit. Host A is connected to the
LAN, but it cannot get access to any resources
on the Internet. The configuration of the host is
shown in the exhibit. What could be the cause of
the problem?
Answer
10 4.2.1 Basic
11
What are two reasons that NAT was developed?
Network
Address
Translation
(NAT)
4.2.5 IP NAT
Issues
IPv6 increases the IP address size from 32 bits to
how many bits?
12 4.1.1 Review of What is the range of the first octet in a Class B
IP Addresses
address?
4.1.1
Review
of
13
Which two statements describe classful IP
IP Addresses
addresses?
4.2.4
Port14
Which statement describes NAT overload or
based Network PAT?
15
Address
Translation
(PAT)
4.2.2 IP NAT
Terms
16 4.2.5 IP NAT
Issues
17 4.1.3 Custom
Subnet Masks
What must happen for a privately addressed host
on an inside local network to be able to
communicate with an outside destination host on
the Internet?
Which option shows the proper notation for an
IPv6 address?
Refer to the exhibit. Which range of IP addresses
would allow hosts that are connected to the
Router1 Fa0/0 interface to access outside
networks?
18 4.2.3 Static and Static NAT works by mapping a specific inside
Dynamic NAT
local IP address to what other specific address
type?
19 4.2.4 PortA system administrator must provide Internet
based Network connectivity for ten hosts in a small remote office.
Address
The ISP has assigned two public IP addresses to
Translation
this remote office. How can the system
(PAT)
administrator configure the router to provide
Internet access to all ten users at the same time?
20 4.2.2 IP NAT
Refer to the exhibit. R1 is performing NAT for the
Terms
10.1.1.0/24 inside network. HostA has sent a
request to the web server. What is the destination
IP address of the return packet from the web
server?


21 4.1.2
Subnetting a
Network
22 4.1.3 Custom
Subnet Masks
23 4.1.1 Review of
IP Addresses
24 4.1.5
Communicating
Between
Subnets
25 4.1.1 Review of
IP Addresses
26 4.1.1 Review of
IP Addresses
27 4.1.2
Subnetting a
Network
28 4.1.3 Custom
Subnet Masks
Which three addresses are valid subnetwork
addresses when 172.25.15.0/24 is further
subnetted by borrowing an additional four bits?
a. 172.25.15.0
b. 172.25.15.8
c. 172.25.15.16
d. 172.25.15.40
e. 172.25.15.96
f. 172.25.15.248
What is the default subnet mask for the address
172.31.18.222?
What are the high order binary numbers that
begin a Class C address?
Host A is configured with IP address
192.168.75.34 and Host B is configured with IP
address 192.168.75.50. Each are using the same
subnet mask of 255.255.255.240 but are not able
to ping each other. What networking device is
needed for these two hosts to communicate?
What information can be derived from the IP

address 192.168.42.135/24?
What subnet mask is indicated by the network
address 172.16.4.8/18?
When a network administrator applies the subnet
mask 255.255.255.248 to a Class B address, for
any given subnet, how many IP addresses are
available to be assigned to devices?
An ISP customer has obtained a Class C network
address. The network technician needs to create
five usable subnets, with each subnet capable of
containing at least 20 host addresses. What is
the appropriate subnet mask to use?