•
Question 1
According to the textbook, data centers are normally not very
1 out of 1 points
expensive to build and maintain, which explains the current trend for
all organizations to create them.
Selected
Answer:
Correct
Answer:
Fals
e
Fals
e
•
Question 2
0
out of 1 points
Using a HomePlug standard Powerline adapter, devices can connect to
the LAN wherever there is an electrical outlet.
Selected
Answer:
Correct
Answer:
Fals
e
Tru
e
•
Question 3
Which devices on a network will hear an ARP request?
Selected
Answer:
All devices in the broadcast
domain
1
out of 1 points
Correct
Answer:
All devices in the broadcast
domain
•
Question 4
Which protocol enables reliable communication between processes
running on separate hosts and has reliable, acknowledged
transmissions.
Selected
Answer:
FTP
Correct
Answer:
TC
P
•
Question 5
According to the textbook, real-time applications require more planning and
dedicated services (relative to other types of data) to ensure priority delivery of
voice and video traffic.
0
out of 1 points
1
out of 1 points
Selected
Answer:
Tru
e
Correct
Answer:
Tru
e
•
Question 6
1 out of 1 points
Which of the following connections runs over a telephone line with the
line split into three channels?
Selected
Answer:
DS
L
Correct
Answer:
DS
L
•
Question 7
0 out of 1 points
IEEE rates UTP cabling according to its performance, thereby placing
cables into categories according to their ability to carry higher-
bandwidth rates. Of the following categories, which one is the
recommended type for data networking in new building installations?
Selected
Answer:
Cat
5e
Correct
Answer:
Cat6
•
Question 8
The need for a single, reserved circuit from end to end exists in a
packet-switched network.
0 out of 1 points
Selected
Answer:
Correct
Answer:
Tru
e
Fals
e
•
Question 9
What is true of Tier 3 ISPs?
Selected
Answer:
All of the above
Correct
0
out of 1 points
Answer:
They act as local providers of service directly
to end users.
•
Question 10
What is the decimal equivalent of the binary number 11111000?
Selected
Answer:
24
8
1
out of 1 points
Correct
Answer:
24
8
•
Question 11
According to the textbook, which of the following is a way in which
network infrastructures can vary?
Selected
Answer:
Number and types of services available
Correct
Answer:
All of the above are ways in which network
infrastructures can vary.
•
Question 12
Which of the following is not one of the three primary collaboration
questions that organizations must ask to achieve effective
collaboration?
Selected
Answer:
All of the above are primary collaboration
questions.
0
out of 1 points
1
out of 1 points
Correct
Answer:
All of the above are primary collaboration
questions.
•
Question 13
Like IPv4, IPv6 uses both the prefix length and the dotted-decimal
subnet mask notation for indicate the network portion of an IPv6
address.
0 out of 1 points
Selected
Answer:
Correct
Answer:
Tru
e
Fals
e
•
Question 14
0 out of 1 points
The
provides communications between the hardware
and software of the computer system as well as manages hardware
resources.
Selected
Answer:
CPU
Correct
Answer:
Kern
el
•
Question 15
Which IPv4 block of addresses is reserved for multi-cast groups?
Selected
Answer:
192.168.0.0 to
192.168.255.255
Correct
Answer:
224.0.0.0 to
239.255.255.255
•
Question 16
What is a fault-tolerant network?
Selected
Answer:
A network that can reroute traffic in case of
device failure
0
out of 1 points
1
out of 1 points
Correct
Answer:
A network that can reroute traffic in case of
device failure
•
Question 17
1 out of 1 points
According to the textbook, switch devices and wireless access points
cannot be separate dedicated devices within a network
implementation.
Selected
Answer:
Correct
Answer:
Fals
e
Fals
e
•
Question 18
What type of physical topology involves end systems connected to
their respective neighbor, forming a circle?
Selected
1 out of 1 points
Answer:
Rin
g
Correct
Answer:
Rin
g
•
Question 19
is the most common type of networking
cable. It is commonly used to interconnect a host to a switch and a
switch to a router.
Selected
Answer:
Ethernet straight-
through
1 out of 1 points
Correct
Answer:
Ethernet straight-
through
•
Question 20
are pages that are easy to update and edit and give
0 out of 1 points
anyone a means to communicate their thoughts to a global audience
without technical knowledge of web design. They are like an
individual, personal journal.
Selected
Answer:
Wikis
Correct
Answer:
Weblo
gs
•
Question 21
What are two types of network security concerns that must be
addressed with respect to security?
Selected
Answer:
Availability and accuracy of
data
Correct
Answer:
Network infrastructure and
information
•
Question 22
0 out of 1 points
0 out of 1 points
What is the result of the binary number 00000000 ANDed with
00101010?
Selected
Answer:
001010
10
Correct
Answer:
000000
00
•
Question 23
In the textbook, which of the following is not listed among the most
common external threats to networks?
Selected
Answer:
All of the above are external
threats
0 out of 1 points
Correct
Answer:
Stolen devices
•
Question 24
The seven OSI model layers are more often referred to by number
0
out of 1 points
rather than by name. Which layer number is the session layer in the
OSI model?
Selected
Answer:
Six
Correct
Answer:
Fiv
e
•
Question 25
UDP is a reliable protocol, whereas TCP does not provide reliability.
1
out of 1 points
Selected
Answer:
Correct
Answer:
Fals
e
Fals
e
•
Question 26
Which type of traffic must receive the highest priority from QoS?
Selected
Answer:
VoIP
Correct
1 out of 1 points
Answer:
VoIP
•
Question 27
To identify a target application in a data stream, the transport layer
assigns each application an identifier known as a(n)
.
Selected
Answer:
IP
Address
0 out of 1 points
Correct
Answer:
Port
number
•
Question 28
According to the textbook, a
network is one
0 out of 1 points
that limits the impact of a failure so that the fewest number of devices
are affected by it.
Selected
Answer:
Secure
Correct
Answer:
Fault
tolerant
•
Question 29
A scalable network can expand quickly to support new users and
1 out of 1 points
applications without impacting the performance of the service being
delivered to existing users.
Selected
Answer:
Correct
Answer:
Tru
e
Tru
e
•
Question 30
is the name given to the clock signal that occurs
evenly spaced time durations during which data signals are sent in
synchronous transmissions.
Selected
Answer:
Bandwid
th
0 out of 1 points
Correct
Answer:
Bit time
•
Question 31
What is the IPv6 DHCP message that corresponds to the IPv4
DHCPACK message?
Selected
Answer:
DHCPV6AC
K
0 out of 1 points
Correct
Answer:
REPLY
•
Question 32
Which of the following is not a characteristic of single-mode fiber?
Selected
Answer:
Uses lasers as light source
Correct
Answer:
Shorter distance: generally up
to 2 km
•
Question 33
0
out of 1 points
1
out of 1 points
Which of the following is not a factor that needs to be considered when designing a
small network?
Selected
Answer:
All of the above are factors to
consider
Correct
Answer:
All of the above are factors to
consider
•
Question 34
Just above the physical layer is the
layer.
Selected
Answer:
None of the
above
0 out of 1 points
Correct
Answer:
Data Link
•
Question 35
What is the hexadecimal equivalent of the decimal number 68?
Selected
Answer:
8
0 out of 1 points
6
Correct
Answer:
4
4
•
Question 36
Which field in an Ethernet frame is used for error detection?
Selected
Answer:
Destination MAC
Address
0
out of 1 points
Correct
Answer:
Frame Check
Sequence
•
Question 37
1
out of 1 points
When a host sends messages using a one-to-many delivery option, it
is known as a
.
Selected
Answer:
Multica
st
Correct
Answer:
Multica
st
•
Question 38
0 out of 1 points
Global configuration mode and interface configuration modes can only
be reached from the User EXEC mode.
Selected
Answer:
Correct
Answer:
Tru
e
Fals
e
•
Question 39
What is the binary equivalent of the decimal number 128?
Selected
Answer:
011111
11
0
out of 1 points
Correct
Answer:
100000
00
•
Question 40
Which protocol enables clients to retrieve email from a mail server
and downloads email from the mail server to the desktop?
Selected
Answer:
POP
3
1
out of 1 points
Correct
Answer:
POP
3
•
Question 41
What is the binary equivalent of the decimal number 119?
Selected
Answer:
111011
10
0 out of 1 points
Correct
Answer:
011101
11
•
Question 42
How many hosts per network can you have with a subnet mask of
255.255.224.0?
Selected
Answer:
224
Correct
Answer:
819
0
•
Question 43
Which of the following is not a way of ensuring confidentiality in a
network?
Selected
Answer:
Requiring users to change their passwords
frequently.
0 out of 1 points
0 out of 1 points
Correct
Answer:
Installing antivirus software on desktop
devices
•
Question 44
0 out of 1 points
The local routing table of a host typically contains a route to the
loopback interface (127.0.0.1). This address is known as a
.
Selected
Answer:
Local default
route
Correct
Answer:
Direct
connection
•
Question 45
0 out of 1 points
The further a device is from a wireless access point, the stronger the
wireless signal it receives.
Selected
Answer:
Correct
Answer:
Tru
e
Fals
e
•
Question 46
0 out of 1 points
The function of the
layer is to facilitate the transport of data
from one network to another.
Selected
Answer:
Physic
al
Correct
Answer:
Netwo
rk
•
Question 47
Which of the following is a characteristic of Cat7 cable?
Selected
Answer:
Is recommended for new building installations.
Correct
Answer:
Includes individual pairs wrapped in a shield with the
entire four pairs wrapped in another shield.
•
Question 48
0
out of 1 points
1
out of 1 points
is technology that is integrated into everyday
appliances, allowing them to interconnect with other devices, making
them more automated.
Selected
Answer:
Smart home
technology
Correct
Answer:
Smart home
technology
•
Question 49
According to the textbook, throughput usually does not match the
specified bandwidth in physical layer implementations.
0 out of 1 points
Selected
Answer:
Correct
Answer:
Fals
e
Tru
e
•
Question 50
0 out of 1 points
According to the textbook, when a banner is used on an IOS device, it
should always welcome someone to the device as its first statement.
Selected
Answer:
Correct
Answer:
Tru
e
Fals
e
•
Question 51
You are given an IPv4 network address of 192.168.10.0/24 by your
0
out of 1 points
ISP. You need to subnet this network. You know that the subnet mask
will be 255.255.255.252. What is the last usable host address of the
first subnet (i.e. subnet[0])?
Selected
Answer:
192.168.10.
255
Correct
Answer:
192.168.10.
2
•
Question 52
The
command is used to verify the internal IP
configuration on a local host.
Selected
Answer:
pin
g
1
out of 1 points
Correct
Answer:
pin
g
•
Question 53
Which Wi-Fi standard operates in the 2.4-GHz frequency band and
offers speeds of up to 11 Mbps?
Selected
Answer:
IEEE
802.11b
1 out of 1 points
Correct
Answer:
IEEE
802.11b
•
Question 54
Which of the following data communications standards apply to
wireless media?
I.
IEEE 802.11
II.
IEEE 802.15
III.
IEEE 802.16
Selected
Answer:
I, II, and
III
1 out of 1 points
Correct
Answer:
I, II, and
III
•
Question 55
1 out of 1 points
What command(s) is(are) used to take a device from privileged EXEC
mode to the global configuration mode?
Selected
Answer:
Either C or D will put a device in global
configuration mode
Correct
Answer:
Either C or D will put a device in global
configuration mode
•
Question 56
0 out of 1 points
You have been assigned an IP address for your network of 192.168.1.0
/
24. Each subnet needs to accommodate 12 hosts. What is the
subnet mask?
Selected
Answer:
192.168.1.25
5
Correct
Answer:
255.255.255.
240
•
Question 57
0
out of 1 points
The term
refers to a private connection of LANs and
WANs that belongs to an organization and is designed to be accessible
only by the organization’s members, employees, or others with
authorization.
Selected
Answer:
Intern
et
Correct
Answer:
Intran
et
•
Question 58
1
out of 1 points
A(n)
firewall consists of a firewall application that runs on a network operating
system such as UNIX or Windows.
Selected
Answer:
Server-
based
Correct
Answer:
Server-
based
•
Question 59
What is the decimal equivalent of the hexadecimal number AA?
Selected
Answer:
11
Correct
Answer:
17
0
•
Question 60
0
out of 1 points
1
out of 1 points
A(n)
transmission exists when data signals are
transmitted without an associated clock signal.
Selected
Answer:
Asynchron
ous
Correct
Answer:
Asynchron
ous
•
Question 61
1 out of 1 points
is a protocol that governs the way that a web server
and a web client interact.
Selected
Answer:
HTT
P
Correct
Answer:
HTT
P
•
Question 62
What is the decimal equivalent of the hexadecimal number EA?
Selected
Answer:
15
Correct
Answer:
23
4
•
Question 63
Controlled access is also known as
.
Selected
Answer:
All of the
above
0
out of 1 points
1
out of 1 points
Correct
Answer:
All of the
above
•
Question 64
1 out of 1 points
When data travels from a source node to a destination node, the user
data is first segmented by the
layer, placed into packets by
the
layer, and further encapsulated as frames by the
layer.
Selected
Answer:
Transport, Network,
Data Link
Correct
Answer:
Transport, Network,
Data Link
•
Question 65
Which of the following firewall techniques blocks unsolicited packets unless
permitted specifically?
Selected
Answer:
URL filtering
Correct
Answer:
Stateful packet
inspections
•
Question 66
0
out of 1 points
1
out of 1 points
Shining a bright flashlight into one end of a fiber cable while observing
the visible light at the other end of the fiber ensures the performance
of the fiber.
Selected
Answer:
Correct
Answer:
Fals
e
Fals
e
•
Question 67
When a sender does not receive an acknowledgement from a TCP
transmission within a certain period of time, what happens?
Selected
Answer:
The sending host assumes that the segments were lost
and retransmits only the portion of the message that is
lost.
1 out of 1 points
Correct
Answer:
The sending host assumes that the segments were lost
and retransmits only the portion of the message that is
lost.
•
Question 68
Which IPv4 block of addresses is reserved for future use and is
currently being used for research and experimentation purposes?
Selected
Answer:
192.168.0.0 to
0 out of 1 points
Correct
192.168.255.255
Answer:
240.0.0.0 to
255.255.255.254
•
Question 69
0 out of 1 points
occurs
in fiber-optic media when the media do
not completely touch at the splice or connection.
Selected
Answer:
Crossed
cables
Correct
Answer:
End gap
•
Question 70
Which of the following organizations developed standard ISO 8877,
0 out of 1 points
which
o
ffi
ci
a
ll
y
a
d
o
p
te
d
the
R
J
co
nne
cti
o
ns
s
uch
a
s
R
J
-
11
and
R
J
-
45
?
Selected
Answer:
IEE
E
Correct
Answer:
ISO
•
Question 71
communication relies on unidirectional data
0 out of 1 points
flow, where sending and receiving data are not performed at the same
time.
Selected
Answer:
Uni-
duplex
Correct
Answer:
Half-
duplex
•
Question 72
enables the automatic assignment of addressing
information such as IP address, subnet mask, default gateway, and
other configuration information.
Selected
Answer:
All of the
0 out of 1 points
Correct
above
Answer:
DHCP
•
Question 73
What is the IPv6 DHCP message that corresponds to the IPv4
DHCPOFFER message?
Selected
Answer:
DHCPV6OFFE
R
0
out of 1 points
Correct
Answer:
ADVERTISE
•
Question 74
In Ethernet technology, IP addresses are used to identify the frame
source and destination.
1
out of 1 points
Selected
Answer:
Correct
Answer:
Fals
e
Fals
e
•
Question 75
When an incoming data frame is received by a switch and the
destination MAC address is not found in the MAC address table, the
1 out of 1 points
switch forwards the frame out all ports, except for the port on which it
was received.
Selected
Answer:
Correct
Answer:
Tru
e
Tru
e
