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Duplicate of Block 1, Practice Appraisals (Combined) Flashcards | StudBud
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Duplicate of Block 1, Practice Appraisals (Combined)
Duplicate of Block 1, Practice Appraisals (Combined)
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1
9A. Which of the following statements regarding wireless networks is False?
D) wireless networks are completely immune to hackers
Both A) and D)
B) connecting unsanctioned devices to a wireless network is easier
A) wireless networks have greater speed than wired networks
2
2C. Affected equipment will sometimes work correctly and sometimes not describes what type of ESD damage?
imminent
intermittent
latent
catastrophic
3
6D. Which organization maintains and assigns port numbers for specific usage?
National Institute of Standards and Technology
Internet Assigned Numbers Authority
Commerical vendors of communications-electronics technology
Defense Information Systems Agency
4
5A. Which of the following is a correct representation of 255.255.255.192 in Classless Internet Domain Routing notation?
/23
/26
/25
/24
5
10A. Being the first step in troubleshooting methodology, this where you find what is causing the symptoms to manifest
Identify the problem
Perform root cause analysis
Verify functionality
Establish a theory of probable cause
6
5A. Dotted decimal notation is the format for this type of address ________.
IPv6
station
MAC
IPv4
7
5A. Internet Protocol version 4 (IPv4) subnets are created by borrowing bits from the host portion of the IP address.
False
True
8
2B. Which type of bond which is generally welded or brazed and is expected to remain intact for the life of the system?
potential
latent
indirect
direct permanent
9
5A. Convert 71
(16)
to its binary equivalent
1100(2)
10(2)
11100100(2)
1110001(2)
10
5A. Convert 11001110
(2)
to its hexadecimal equivalent
CE(10)
7F(16)
206(16)
CE(16)
11
2A. Total opposition to current flow within an electrical circuit is called _____________.
impedance
transient voltage
grounding
electrostatic discharge
12
2A. What is a conductive path for reducing the possibility of shock/static buildup between the earth and ground?
grounding
impedance
physical security
direct current
13
10A. The first thing you should be aware of when troubleshooting a problem is that the symptoms are not the problem.
False
True
14
5A. A number that is written in "base 16" has been written in what numbering system?
decimal
hexadecimal
octal
binary
15
4A. Home of the operating system, this layer translates data from application to network format and vice-versa.
Application
Presentation
Session
Data-Link
16
7. Cisco's internetworking model consists of which layers?
core, distribution, virtual
core, distribution, access
core, distribution, application
core, distribution, network
17
2C. Immediate total failure of the affected equipment describes what type of ESD damage?
imminent
intermittent
latent
catastrophic
18
9B. The most common example of a PAN, ________ is a global 2.4 Ghz for short range wireless communication
Bluetooth
Access Point
Ultraviolet
Infared
19
7B. _________ is the communication point between Access Layer & Core Layer in Cisco’s hierarchical internetworking model
Redundant layer
Distribution layer
Data-link layer
Hybrid layer
20
4A. Operating systems such as Microsoft Windows and Linux would lie at Layer 6 Presentation layer of the OSI model.
False
True
21
8A. The Monitor NMS function provides administrators with Ping availability, latency, CPU, and memory status
True
False
22
12B. Which of these is NOT an attribute of fiber-optic cables?
Fiber-optic cables do not emit electomagnetic radiation
only has a range of 100 meters
Two types: Multi-mode and Single Mode
Immune to all types of electromagnetic monitoring
23
2A. What type of hardware is NOT part of the earth electrode subsystem?
fiber optic cables
grounding rods
electrical wiring
metal straps
24
9A. IAW IEEE 802.11 wireless network standard, ______is a collection of wireless networking devices with same parameters
interior gateway
service set
domain
border gateway
25
7C. _________ of Cisco’s hierarchical internetworking model deals with users directly connecting to the network
Presentation Layer
Broadband Layer
Access Layer
Workstation Layer
26
11A. If a technician wanted to test a Wi-Fi’s signal strength on a job site what would they use?
Port scanner
Wi-Fi Analyzer
Wireshark
Speed tester
27
5A. Which of the following is a Class B IPv4 address?
20f1:0da8:85a3::8f2e:0370:7D34
134.23.45.123
255.255.0.0
127.1.1.1
28
11A. What does a Light meter check for?
Single/Multi mode fiber status
Radio frequency
Proper light propagation in fiber optic cables
Proper voltages in cable
29
2D. Physical security requirements for a particular facility are primarily dependent on several things, including
type and level of the information handled in the facility
ability to survive/operate after a nuclear or electromagnatic pulse attack
funds available for construction of physical barriers
availability of reputable security contractors
30
12A. How many insulated wires are found in Unshielded and Shielded twisted pair cable?
eight
two
six
four
31
6C. User Datagram Protocol is found at the transport layer of the OSI model.
True
False
32
7. There are___ layers in Cisco’s hierarchical internetworking model
four
five
three
seven
33
11A. Wiremaps and Delay skew are two of the possible advanced features you could find on a Connectivity Test Set
True
False
34
5A. Which of the following numbers are written in hexadecimal format?
11(16)
10(2)
17(8)
31(10)
35
2B. Establishment of a low-impedance path between two metal surfaces describes what?
electrostatic discharge
bonding
grounding
corrosion
36
2D. A special access badge and a purpose to be in an area describes what type of area?
Air Defense Identification Zone
restricted area
command and control area
confined space area
37
12C. By superimposing information onto an RF Carrier, ___________increases power and range of the signal.
Multi-mode fiber
Microwave
light transmissions
fixed frequency signals
38
2C. One general precaution is to avoid testing ESDS devices with a multimeter.
False
True
39
7A. The sole purpose of the Core layer of Cisco’s hierarchical internetworking model is:
Provide cloud computing for remote users
reduce administrative costs
Transit of large amounts of traffic both quickly and reliably
Deliver frames to end users
40
4A. The application layer (OSI Layer 7) is farthest away from the end user. (True or False)
True
False
41
4A. What are the Seven Layers of the OSI model?
Application, Presentation, Session, Transport, Network, Data Link, Physical
Application, Presentation, Security, Transport, Network, Data Link, Virtual
Application, Presentation, Security, Transport, Network, DataLink, Terminal
Wire, Data, Satellite, Transport, Synchronizing, Presentation, Application
42
6C. _________ is used when speed is of primary importance.
FTP
HTTP
UDP
virtual ports
43
5A. Which of the following is a valid Internet Protocol version 4 (IPv4) address?
34.245.44.356
2001:0db8:85a3::8a2e:0370:7D34
299.220.44.155
34.243.144.155
44
6B. Which of the following are features of Transmission Control Protocol
resending data that is not received by the destination device
end-to-end transmission of data
all of the above
providing sequencing and acknowledgement of data packet delivery
45
6C. Data that is sent with no guarantees that the data will reach the recipient describes what type of communication?
Consoles-orientated
TCP
Connection-less oriented
Acknowledge-non-acknowledge
46
5A. Written as a subscript, the ____________ identifies the number system and identifies the quantity of Arabic numerals
radix
number of leading zeros
least significant digit
most significant digit
47
11A. __________is a software troubleshooting tool that will display and allow editing of the local system routing table
Nslookup
Route
Pathping
Connectivity Test Set
48
8A. Simple Network Management Protocol (SNMP) is critical for the functionality of Network Monitoring.
False
True
49
2A. Which of the following are methods of electrical noise reduction?
shielding and filtering of local noise sources
All of the above
reducing the voltage potential difference between equipment
Lowering resistance between signal reference subsystem and earth electrodes
50
5A. When you have multiple subnet masks on one network, it is said to be a
virtual subnet mask
classful subnet mask
routable subnet mask
variable length subnet mask
51
11A. When a technician needs to locate a single cable in a large bundle of cables, what would be the appropriate tool?
Spectrum analyzer
Digital multimeter
OTDR
Tone generator
52
9A. Some devices on a Wireless network may also be connected using Ethernet cables? (True or False)
False
True
53
11A. If a technician wanted to observe the frames on the network, what should they use?
Wi-Fi Analyzer
Tracert
Netstat
Protocol Analyzer
54
2B. With the exception of high-vibration environments, which of the following is preferred for indirect bonds?
separation of compontents by a non-conductive material
solid metal straps
fine-braid metal straps
welded
55
2D. Your main role in facility security requirements is knowing the requirements for your unit of assignment and _______
memorize location of all No-Lone Zones
applying common sense security practices
overseeing installation of active security measures
overseeing installation of passive security measures
56
2A. Shutting down the affected circuit whan a dangerous electrical current is detected is performed by what equipment?
Fuses and circuit breakers
Lightning rods
Power sources
Equipment racks
57
9A. What does a Wireless Local Area Network (WLAN) utilize to join two or more devices onto a network?
Solid State drives
Quantum computing
Magnetic Tape Drives
Radio Waves
58
5A. A subnet is a logical division of a network of connected devices based on _____________.
Media Access Control (MAC) address
Internet Protocol (IP) addresses
physical location of each network device
network topology
59
8A. The _____ function in a Network Monitoring System is used to visualize the network?
Manage
Map
Find
Authenticate
60
12A. What is NOT one of the configurations found in the T-568A/B pin out standard?
Roll over
Fiber optic
Cross over
Straight through
61
5A. Which of the following is a valid Internet Protocol version 6 address?
2001:0zz8:85a3:0000:0000:8a2e:0370:7d34
2001:0gk8:85a3:0000:0000:8a2e:0370:7d34
2001:0db8:85a3:0000:0000:8a2e:0370:7d34
2001:0u912:85a3:0000:0000:8a2e:0370:7d34
62
12C. _________ are more difficult to jam than fixed frequency signals and transmit across a broad frequency bandwidth
spread spectrum signals
microwave signals
wavelength signals
phased-array directed signals
63
5A. Which of the following represents a Class A network?
Network.Network.Network.Host
Network.Network.Network.Network.Host.Host
Network.Network.Host.Host
Network.Host.Host.Host
64
10A. What is based on idea that effective management should solve the underlying problem instead of treating symptoms
Identify the problems
Root cause analysis
Verify functionality
Establish a plan of action
65
6B. Guaranteed delivery of information would best describe what type of protocol?
Connection-oriented
Sender-acknowledged
Collection-enabled
UDP
66
9C. This type of access point does not make forwarding decisions, but passes data to the Wireless LAN Controller (WLC)
multifunction access point
distribution access point
lightweight access point
rogue access point
67
5A. Convert 471
(10)
to its hexadecimal equivalent
1B4(16)
3C2(16)
1D7(16)
3D1(16)
68
2D. Which of the following is an example that would be require a No-Lone Zone?
burn or shred area for classified information
any DoD facility non-compliant with Occupational Safety & Health Standards
areas containing unexploded ordnance
industrial areas containing equipment subject to lock-out/tag-out program
69
9A. This piece of equipment connects to a wired router or switch and is critical to a wireless network
Access Point
DNS server
Power Point
DHCP server
70
9C. Which type of access point is installed without authorization on a secure company network?
lightweight access point
rogue access point
multifunction access point
autonomous access point
71
11A. If a technician needed to secure or resecure cable ends on a copper cable what should they use?
Multi-function tool
Crimper
OTDR
Spectrum Analyzer
72
8A. Which of the following is NOT one of the basic functions of Network Monitoring Systems?
Map
Discover
Alert
Warn
73
9A. Also known as a name, what IEEE 802.11 wireless network standard tells you what network to join?
network address
broadcast address
domain name system identifier
service set identifier
74
8A. ________ looks for signatures of known attacks or deviations from normal activity
Intrusion Detection System
ActiveX controls
SNMP
Proxy
75
2A. In multipoint signal reference subsystems, equipment cabinets are commonly bonded to a common interior sheet or grid
False
True
76
8A. The Alert Network Monitoring System function
none of these
issues alerts for excessive CPU usage
can be configured with blackout periods
can be configured with blackout periods AND alert for excessive CPU usage
77
11A. If a technician wanted to check for a break in a fiber line, what would they use?
Tone generator
Optical Time Domain Reflectometer (OTDR)
Packet sniffer
Port scanner
78
2C. What is the sudden electric flow between two electrically charged surfaces?
induction
voltage
ESD (electrostatic discharge)
capacitance
79
2A. Earth electrode, equipment fault protective, and signal reference are all subsystems to what?
facility ground system
building zone
signal processing subsystem
high voltage subsystem
80
4A. On the network layer of the OSI Model utilizing ARP, IP addresses are translated into ________ addresses.
Media Access Control
Network
Transmission
Application
81
2B. Bonding straps must be mechanically strong and
shield electronic transmissions from interception
be made of non-conductive materials
resist deterioration through corrosion, looseness, and stress
regulate voltage
82
12C. Which of the following is FALSE regarding wireless transmissions?
Atmospheric conditions can impair wireless transmission
Lack of physical cabling enables network to be much more flexible
data speeds are fastest on wireless networks
They have no physical constraints confining the signal to a set path
83
2A. The ____________ refers to a conductive sheet or grids that places all points on the network at the same potential.
ground fault circuit interrupter
faraday cage
electrial isolation grid
equipotential plane
84
2C. Which of the following is NOT a category of failure caused by ESD damage?
reactionary
catastrophic
latent
intermittent
85
4A. Which layer of the OSI Model sets up, coordinates, and terminates connections between the applications on each host
address
session
operation
network
86
8A. What NMS function provides real-time and historical network status reporting?
Report
Map
Alert
Account
87
4A. The router, which is known as a "layer 3 device", resides on which layer of the OSI model?
Session
Data-Link
Network
Switched
88
5A. Convert 1110
(2)
to its decimal equivalent
12(10)
13(10)
11(10)
14(10)
89
10A. In which step of troubleshooting methodology do you record problem findings and solutions for future use?
Implement the solution
Establish a plan of action
Document the solution
Test the theory
90
5A. Convert CF1
(16)
to its binary equivalent
111111110101(2)
110011110001(2)
101011100001(2)
111010101110(2)
91
2B. Bonds between unlike metals are highly susceptible to _______.
Electrostatic Discharge
combustion
corrosion
induction
92
2C. Which of the following is NOT a proper handling precaution for Electrostatic Discharge Sensitive items (PICK ONE)
Place all ESDS packaged items on the workstation prior to opening
avoid handling ESDS items by their electrical leads
avoid wearing clothing consisting primarily of nylon
handle ESD items by their leads
93
4A. Electrical impulses, light and radio signals are used to convey data on the _________ layer
Network
Presentation
Computer
Physical
94
4A. Web browsers such as Chrome, Firefox, and Edge are found at which layer of the OSI Model?
application
data link
transport
user
95
9C. Autonomous access points have all software required to manage WLANs with no need for controllers or switches.
False
True
96
2A. The primary functions of Grounding are: equipment protection, personnel safety, and electrical noise reduction.
True
False
97
6D. Well-Known ports, also known as system ports, range from
any port greater than 65535
0 - 1023
49152 - 65535
1024 - 49151
98
12A. Which is NOT a benefit of using Shielded Twisted Pair (STP) cable
protects from signal degradation
reduces electric noise
protects from excessive temperatures
all of these are a benefit of using STP cable
99
6D. Registered virtual ports are in a range of 1024 to 49151 and are assigned by Internet Assigned Numbers Authority.
False
True
100
12C. ________ are easier to jam than spread spectrum signals and transmit on one set frequency
Electromagnetic radiation signals
Wireless signals
Multiplex signals
Fixed frequency signals