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Networking Fundamentals Final Exam Review (Fall 2019) Flashcards | StudBud
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Networking Fundamentals Final Exam Review (Fall 2019)
Networking Fundamentals Final Exam Review (Fall 2019)
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1
Packets that are smaller than a medium's minimum packet size are known as
runts
.
False
True
2
The TCP and UDP protocols both exist at the Application layer of the OSI model.
False
True
3
A group of LANs that spread over a
wide geographical area.
WAN
SAN
MAN
PAN
4
What is
NOT
one of the three characteristics of TCP in its role as a reliable delivery protocol?
Sequencing and checksums
Framing
Three-way handshake
Connection oriented
5
Payload
is data that is passed between applications or utility programs and the OS.
False
True
6
Your supervisor has asked you to configure a new prototype network with a
dual stack configuration
. What does this mean?
The router serving the network will have a redundant spare.
TCP/IP and UDP/IP will be used to send and receive data.
The network will exist on two separate segments, separated by a proxy.
Both IPv4 and IPv6 protocols will be used on the network.
7
SQUID
is an example of
proxy server software
.
False
True
8
The OSI Model has
7 layers
. They are Application, MAC Address, Presentation, Physical, Session, Logical, and Transport.
False
True
9
What type of door access control is a physical or electronic lock that
requires a code
in order to open the door?
cipher lock
encrypted lock
biometric lock
key lock
10
This topology connects all devices to one central device (usually a switch).
Star-Bus
Bus
Star
Mesh
11
Amazon and Rackspace both utilize what virtualization software below to create their cloud environments?
VMX XSphere
Citrix Xen
Virtual Box
Symantec VMWare
12
How can you determine the manufacturer of a NIC card based on the MAC address?
The last 16 bits
The first 24 bits
The last 24 bits
The first 16 bits
13
Which of the following
IPv6
addresses represents a
global unicast address
?
FE80::10
No correct answer given
FC00::/7
2000::/3
14
When terminating an Ethernet cable, about how far should the cable sheath extend into the plug?
3/8 inch
7/8 inch
4/5 inch
1/2 inch
15
This topology has to do with
software
and describes how access to the network is controlled.
Logical topology
Initial topology
Physical topolgy
Server topology
16
A cable bend radius is the radius of the maximum arc into which you can loop the cable without impairing data.
True
False
17
To minimize the potential for collisions, the 802.11 standard specifies the use of what technique?
Carrier Sense Multiple Access with Collision Migration (CSMA/CM)
Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)
Carrier Sense Multiple Access with Collision Detection (CSMA/CD)
Carrier Sense Multiple Access with Collision Adaptation (CSMA/CA)
18
What is what near-end crosstalk (NEXT)?
crosstalk that occurs between wire pairs near the source of a signal.
crosstalk that occurs only when a cable segment exceeds the bend radius.
crosstalk that occurs near the opposite end of a signal source.
crosstalk that occurs when an EMI source is near the data signal source.
19
Utilizing time slots that are adjusted according to priority and need is an example of what type of multiplexing?
wavelength division multiplexing
Statistical time division multiplexing
Time division multiplexing
frequency division multiplexing
20
What is the purpose of the Layer 2 LLC sublayer?
It performs management of the physical layer's modulation techniques.
It is used to handle multiplexing, flow and error control, and reliability.
It is used to manage low-level encryption on a network.
It is used to manage low-level encryption on a network.
21
How does a line conditioning UPS
protect
network equipment?
It protects against electrical surges.
It protects against lightning strikes.
It adds power to network equipment to protect power outages.
No correct answer given.
22
On a
Linux-based system
, what command can be used to display TCP/IP info associated with
every interface on the system
?
ifconfig -a
ipconfig -a
ifconfig -s
ipconfig -s
23
What type of diagram is a
graphical
representation of a network's wired infrastructure?
Wiring schematic
Network diagram
System diagram
topology map
24
A network TAP monitors network throughput at a specific point in the network.
False
True
25
A
Request For Proposal
is a request sent to vendors for a product or service that your company wants to buy.
False
True
26
Usually, the demarc location in a building is located between the MDF and the IDF.
True
False
27
The concept of giving employees and contractors only enough access and privileges to do their jobs is known as.....?
Limited liability access
Principle of least privilege
Low risk access
Minimal access/minimal exposure
28
This UPS uses AC power to
continuously charge its battery
, while
also providing power
to devices through the battery.
Online UPS
Standby UPS
Line-conditioning UPS
Surge UPS
29
The
SONET OC Level 3
is a popular choice for large businesses, and is
equivalent to 100 T1's
.
True
False
30
The
NOS
does all of the following, except:
Supplies application to clients
Restricts user network access and dictates computer communication rules
Ensures authorized user access and controls user file access
Encrypt data and secures its delivery
31
At the Transport layer of the OSI, what is used to find and communicate with a
particular application running on a host
?
IP Addresses
Domain names
MAC addresses
Port numbers
32
What type of door access control is a physical or electronic lock that requires a code in order to open the door?
Key Fob
Encrypted
Biometric
Cipher
33
The Data Link Layer utilizes what name for its protocol data unit (PDU)?
Frame
Bit
Data
Packet
34
A differential backup covers what data on a system?
It includes data that has changed since the last full backup.
It includes data that has changed since the last incremental backup.
It includes all data since its last backup.
It includes only data that has changed since the last backup.
35
A packet can be considered a
"giant"
when __________ .
it exceeds 1500 bytes.
a VLAN tag is added.
fragmented pieces are reassembled and the packet size is too large.
it exceeds the medium's maximum packet size.
36
What document addresses the specific concerns related to special access given to admins and certain support staff?
Acceptable use policy
Non-disclosure agreement
Privileged user agreement
Password Policy
37
The technical name for a group of bits as it moves from one layer to the next and from one LAN to the next.
Sequential Data Unit (SDU)
Protocol Data Unit (PDU)
Service Voltage Unit (SVU)
Descending Data Unit (DDU)
38
In planning for disaster recovery, what is the ultimate goal?
Continuation of business.
Security of sensitive data.
Management of damages.
Protection of infrastructure.
39
A network with a CIDR notation of
/26
would have what subnet mask?
255.255.255.255
255.255.255.252
255.255.255.224
255.255.255.192
40
A group of
connected LANs
in the
same geographical area
.
SAN
MAN
RAN
PAN
41
Where the OS of
each computer
on the network is responsible for controlling access to its resources, is called ______.
Network Model
Client Server Model
Peer to Peer Model
Server Model
42
Packets that are
smaller than a medium's minimum packet size
are known as _________ .
Runts
Giants
Jabbers
Ghosts
43
When creating network diagrams, what icon description typically represents a network switch?
An icon that resembles a brick wall.
An icon that is rectangular, which contains four arrows.
An icon that is rectangular in shape, with squiggly lines on the front.
An icon that hasis circular, with two arrows pointing in and out.
44
The DTE, or
endpoint device
, for a leased line is known as ________.
CSU/DSU
Modem Router
ISDN modem
Cable Modem
45
In an 802.11 data frame, what is the maximum amount of data that can be sent?
2312 bytes
4582 bytes
5000 bytes
9000 bytes
46
Which adaptation of EAP utilizes EAP-MSCHAPv2
inside of an encrypted TLS tunnel
?
EAP-TLS
LEAP
EAP-FAST
Protected EAP (PEAP)
47
VMware's AirWatch and Cisco's Meraki Systems Manager are both examples of mobile device management software.
True
False
48
A highly available server is available what percentage of the time?
90.9999%
95.9999%
99.99%
99.9999%
49
When a device handles electrical signals improperly, usually resulting from a bad NIC, it is referred to as
blabber
.
False
True
50
In IEEE terminology, a group of stations that
share an access point
are said to be the
basic service set
.
True
False
51
A fire suppression system in the data center should include __________.
All answers given
Portable fire extinguishers and Suppression agent
Emergency power-off switch
Emergency alert system
52
What term is known for the enforcing of a virtual security perimeter using a client's geographic location?
geolocating
geohashing
geosecurity
geofencing
53
Cat 6 is the minimum category of UTP cable required in order to support Gigabit speeds.
True
False
54
The grouping of multiple servers so that they appear as a single device to the rest of the network is known as ______.
striping
RAID 1-0
load balancing
clustering
55
What is the
main difference
between a router and a switch?
A switch can be used as a router as well; a router cannot be a switch
A router only provides access to a LAN
A switch belongs to its local network, a router joins two or more networks
No correct answer given
56
This topology mostly applies to hardware.
Server topology
Service topology
Physical topology
Virtual topology
57
The minimum category of UTP cable required in order to support Gigabit speeds is
Cat 5
.
True
False
58
A network port used to attach a device to a network is called a
NIC (Network Interface Card)
.
False
True
59
What statement regarding
denial-of-service (DoS) attacks
is accurate?
A DOS attack is no longer a threat with due to new anti-tampering software.
A DOS attack is generally a result of a disgruntled employee.
A DOS attack prevents legitimate users from accessing normal
A DOS attack prevents network administators from accessing Active Directory
60
A user can sign on to the network from any computer on the network and gain access to the resources that AD allows.
False
True
61
The resources a network makes available to its users are called
Network Resources
.
True
False
62
In an 802.11 data frame,
the size of the frame check sequence field
is said to be
8 bytes
.
True
False
63
The IP connectionless protocol relies on the UDP protocol to guarantee delivery of data.
False
True
64
In a coaxial cabling, what does the
RG
rating measure?
No correct answer given.
The overall thickness of the cable.
The maximum distance the cable is rated for, in kilometers.
The number of twists in the copper core.
65
This explains how to properly handle substances such as chemical solvents and how to dispose of them.
Disposal Safety Data Sheet (DSDS)
Material Safety Data Sheet (MSDS)
Solvent Disposal Data Sheet (SDDS)
Technoogy Disposal Data Sheet (TDDS)
66
An
IDF
provides an
intermediate connection
between the MDF and end-user equipment on each floor and in each building.
False
True
67
A typical fiber termination kit should include what tool for cutting a clean slice through fiber strands?
Fiber snipper
Fiber slicer
Fiber stripper
FIber saw
68
The process to configure all Cisco network switches to allow only acceptable MAC addresses through switch access ports.
Use mac-limit command to prevent more than one MAC from being accepted.
Use the allowed-mac command to filter by MAC address.
Use switchport port-security command to enable MAC filtering.
Use secure port mac-address command to limit the port to learned addresses.
69
A
wireless node
that is in active scanning mode transmits a
probe
frame
in order to find available access points.
False
True
70
What range of network addresses is considered a Class B?
1.x.y.z to 126.x.y.z
192.0.0.x to 223.255.255.x
128.0.x.y to 191.255.x.y
224.x.y.z to 255.x.y.z
71
A network with a CIDR notation of
/26
would have what subnet mask?
255.255.255.240
255.255.255.224
255.255.255.192
255.255.255.0
72
An IP address of 192.168.18.73
/28
has what network ID?
192.168.16.1
192.168.18.64
192.168.18.32
192.168.18.0
73
Bidirectional transceivers utilizes frequency division multiplexing to separate the data in each direction.
True
False
74
How often should you require users to change their passwords?
Every 30 days
Every 90 days
Every 120 days
Every 60 days
75
A vSwitch (virtual switch) or bridge is a logically defined device that operates
Layer 2
of the OSI model.
False
True
76
What is the purpose of the
Layer 2 LLC
sublayer?
Used to manage low-level encryption on a network
No correct answer given.
Used to handle multiplexing, flow and error control, and reliability
Used to manage MAC addresses in message frames.
77
Signals that can travel in only one direction on a medium are referred to
duplex
.
True
False
78
The
centralized database
that contains user account information and security for the entire group of computer.
Power Shell
Domain Controller
Windows MMC Snap-In
Active Directory
79
A "logic bomb" virus remains dormant until a specific condition is met, such as the changing of a file.
False
True
80
When troubleshooting network problems, one should:
1.
Indentify the problem,
2.
Establish probable cause, and _______.
Test theory to determine cause
All of the answers
Establish an action plan,
Verify full functionality and document findings, actions, and outcomes
81
What statement describes a transmission flaw that is occurring due to
attenuation
?
A network switch interface is dropping due to a powerful radio transmitter.
A customer modem is continuously losing signal due to large distance.
A video conferencing app is experiencing delay in audio that comes and goes
No correct answer given.
82
This 802.11 standard specifies the use of what technique in order to minimize the
potential for collisions
?
Carrier Sense Single Access with Collision Adaptation (CSSA/CA)
arrier Sense Multiple Access with Collision Detection (CSMA/CD)
Carrier Sense Multiple Access with Collision Mitigation (CMSA/CM)
Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)
83
In North America, what ISDN connection type used two B channels and one D channel?
Carrier Rate Interface (CRI)
Primary Rate Interface (PRI)
Dedicated Rate Interface (DRI)
Basic Rate Interface (BRI)
84
The IP
connectionless protocol
relies on what other protocol to
guarantee delivery
of data?
POP
UDP
TCP
ICMP
85
The
"Backbone"
is defined as the
central conduit that connects the segments (pieces) of a network together.
False
True
