IT Infrastructure
Test Preparation
Course Introduction
This course provides an in-depth exploration of the foundational components and concepts that make up modern IT infrastructure. Students will learn about physical and virtual hardware, networking technologies, storage solutions, data centers, and cloud computing architectures. The course covers key topics such as server management, networking protocols, system security, virtualization, and maintenance best practices. Through a combination of theoretical knowledge and hands-on labs, students will gain the practical skills needed to design, implement, and manage resilient, efficient, and scalable IT environments within organizations.
Recommended Textbook
Business Data Networks and Security 10th Edition by Raymond R. Panko
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15 Chapters
838 Verified Questions
838 Flashcards
Source URL: https://quizplus.com/study-set/1485
Page 2
Chapter 1: Welcome to the Cloud
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95 Verified Questions
95 Flashcards
Source URL: https://quizplus.com/quiz/29502
Sample Questions
Q1) At what layer would you find EUI-48 addresses?
A)1
B)2
C)3
D)4
Answer: B
Q2) Data link layer standards govern ________. A)connectors
B)frame organization
C)both A and B
D)neither A nor B
Answer: B
Q3) If two hosts are separated by seven networks,how many packets will there be along the way when a host transmits a packet to another host?
A)1
B)2
C)7
D)14
Answer: A
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Page 3
Chapter 2: Network Standards
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69 Verified Questions
69 Flashcards
Source URL: https://quizplus.com/quiz/29509
Sample Questions
Q1) Which of the following is inside the header of messages?
A)address field
B)IP address field
C)data field
D)trailer
Answer: A
Q2) EUI-48 addresses are ________.
A)32 bits long
B)48 bits long
C)128 bits long
D)Address length varies.
Answer: B
Q3) How many bytes will it take to transmit "Brain Dead" without the quotation marks?
A)2
B)3
C)9
D)none of the above
Answer: D
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Page 4
Chapter 3: Network Security
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88 Verified Questions
88 Flashcards
Source URL: https://quizplus.com/quiz/29510
Sample Questions
Q1) The general name for a security flaw in a program is a ________.
A)virus
B)malware
C)security fault
D)vulnerability
Answer: D
Q2) Stateful firewalls are attractive because of their ________.
A)high filtering sophistication
B)ability to filter complex application content
C)QoS guarantees
D)low cost
Answer: D
Q3) The Target attackers probably first broke into Target using the credentials of a(n)________.
A)low-level Target employee
B)Target IT employee
C)Target security employee
D)employee in a firm outside Target
Answer: D
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Page 5
Chapter 4: Network and Security Management
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64 Verified Questions
64 Flashcards
Source URL: https://quizplus.com/quiz/29511
Sample Questions
Q1) An SLA for latency should specify a ________.
A)maximum latency
B)minimum latency
C)both A and B
D)neither A nor B
Q2) If throughput falls substantially below a QoS guaranteed speed,the ISP ________.
A)always pays a penalty
B)may pay a penalty
C)does not pay a penalty
D)may renegotiate the QoS guarantee for speed
Q3) There is a single countermeasure in ________.
A)weakest links
B)defense in depth
C)both A and B
D)neither A nor B
Q4) Which of the following would receive the highest priority?
A)video packets
B)e-mail packets
C)World Wide Web packets
D)network management packets
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Chapter 5: Ethernet 8023switched Lans
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70 Verified Questions
70 Flashcards
Source URL: https://quizplus.com/quiz/29512
Sample Questions
Q1) When the light energies of two pulses arrive at overlapping times,this is ________.
A)multimode transmission
B)modal bandwidth
C)modal dispersion
D)modal interference
Q2) Creating effective backup links in RSTP is ________.
A)completely automatic
B)simple and largely automatic
C)difficult and time consuming
D)impossible
Q3) In this book,we use the terms Ethernet and 802.3 interchangeably.
A)True
B)False
Q4) UTP categories rate the ________ of UTP cabling.
A)quality
B)speed
C)quality-of-service performance
D)error performance
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Chapter 6: Wireless Lans I
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69 Verified Questions
69 Flashcards
Source URL: https://quizplus.com/quiz/29513
Sample Questions
Q1) The 802.11 standard for mesh networking is ________.
A)802.11m
B)802.11r
C)802.11ac
D)802.11s
Q2) Mesh networking in 802.11 is likely to use ________.
A)only wireless devices
B)wireless devices and the site's wired LAN
C)both A and B
Q3) If an 802.11n client tries to use an 802.11ac access point,________.
A)they will not be able to communicate
B)they will communicate using 802.11n
C)they will communicate using 802.11ac
D)either B or C
Q4) If more users move to an access point,this decreases ________.
A)individual throughput
B)aggregate throughput
C)both A and B
D)neither A nor B
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Chapter 7: Wireless Lans 2
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56 Verified Questions
56 Flashcards
Source URL: https://quizplus.com/quiz/29514
Sample Questions
Q1) An unauthorized internal access point is a(n)________ access point.
A)evil twin
B)rogue
C)shadow
D)counterfeit
Q2) A power ratio of 8/1 decrease in power corresponds to approximately ________ decibels.
A)3
B)6
C)9
D)none of the above
Q3) Which form of Bluetooth has a typical transmission speed of about 24 Mbps?
A)classic Bluetooth
B)high-speed Bluetooth
C)enterprise Bluetooth
D)none of the above
Q4) I wish to have a wireless LAN to serve my house.I will use ________.
A)802.11
B)Bluetooth
C)either A or B
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Chapter 8: Tcp-Ip Internet Working I
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61 Verified Questions
61 Flashcards
Source URL: https://quizplus.com/quiz/29515
Sample Questions
Q1) A TCP ________ segment is a request to close a connection.
A)FIN
B)ACK
C)Close
D)Disconnect
Q2) For human reading,IPv6 address is written in ________ notation.
A)decimal
B)hexadecimal
C)binary
D)runic
Q3) The main benefit of IPv6 over IPv4 is ________.
A)two more bits in the IP address
B)two more bytes in the IP address
C)the ability to have quality-of-service guarantees
D)the ability to support more possible hosts
Q4) Express the mask /24 in dotted decimal notation.
A)255.0.0.0
B)255.255.0.0
C)255.255.255.0
D)none of the above
Page 10
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Chapter 9: Tcp-Ip Internet Working 2
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56 Verified Questions
56 Flashcards
Source URL: https://quizplus.com/quiz/29516
Sample Questions
Q1) Today,it can be problematic to have only a single IPv6 stack because ________.
A)a single IPv4 stack is out of date
B)a single IPv6 stack could not communicate with a single IPv4 stack
C)a dual stack has become a common solution
D)all of the above
Q2) ________ is used for supervisory messages at the internet layer.
A)TCP
B)DNS
C)DHCP
D)ICMP
Q3) In SNMP,the manager communicates directly with a(n)________.
A)managed device
B)agent
C)object
D)access point
Q4) If the subnet ID in an IPv6 address is 32 bits,how long is the routing prefix?
A)16 bits
B)32 bits
C)64 bits
D)none of the above
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Chapter 10: Carrier Wide Area Networks Wans
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74 Verified Questions
74 Flashcards
Source URL: https://quizplus.com/quiz/29503
Sample Questions
Q1) What speed does the LTE Advanced standard require downstream?
A)3 Mbps
B)30 Mbps
C)3 Gbps
D)30 Gbps
Q2) Which of the following DSL services tends to be symmetric in speed?
A)residential
B)business
C)both A and B
D)neither A nor B
Q3) LANs are ________.
A)single networks
B)local internets
C)either A or B
D)neither A nor B
Q4) Which lines run from one customer premise to another?
A)leased lines
B)access lines
C)both A and B
D)neither A nor B
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Chapter 11: Networked Applications
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62 Verified Questions
62 Flashcards
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Sample Questions
Q1) For the transport layer,VoIP uses ________ for transport transmission.
A)TCP
B)UDP
C)SIP
D)IP
Q2) What is the almost universal standard for end-to-end encryption?
A)SSL/TLS
B)IPsec
C)PGP
D)There is no almost universal standard for end-to-end encryption.
Q3) In SQL injection attacks,the attacker sends ________.
A)a legitimate SQL query
B)a malformed SQL query
C)user input that is used in an SQL query
D)an SQL query in malware that is delivered to the target computer
Q4) Which of the following offers more reliable antivirus protection?
A)antivirus software on user PCs
B)antivirus software on the mail server
C)Both A and B are about equally reliable.
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Chapter 12: Module a More on Tcp
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4 Verified Questions
4 Flashcards
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Sample Questions
Q1) A TCP segment begins with octet 8,658 and ends with octet 12,783.What number does the sending host put in the sequence number field?
A)8,658
B)8,659
C)12,783
D)12,784
Q2) Flow control in TCP depends on the ________ field.
A)acknowledgement number
B)window size
C)both A and B
D)neither A nor B
Q3) A TCP segment begins with octet 8,658 and ends with octet 12,783.What number does the receiving host put in the acknowledgment number field of the TCP segment that acknowledges this TCP segment?
A)8,658
B)8,659
C)12,783
D)12,784
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Chapter 13: Module B More on Modulation
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12 Verified Questions
12 Flashcards
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Sample Questions
Q1) In QAM,if you have eight possible amplitudes,how many bits can you send per clock cycle?
A)3
B)6
C)8
D)16
Q2) BPSK uses ________ phase levels.
A)2
B)4
C)8
D)15
Q3) Phase modulation uses two ________ levels.
A)loudness
B)frequency
C)wave
D)none of the above
Q4) Frequency modulation uses two loudness levels.
A)True
B)False
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Chapter 14: Module C More on Telecommunications
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47 Verified Questions
47 Flashcards
Source URL: https://quizplus.com/quiz/29507
Sample Questions
Q1) Message units are a time and distance pricing method that can be used to charge for local calls.
A)True
B)False
Q2) Plenum wiring is needed for ________.
A)heavy traffic loads
B)safety
C)both A and B
D)neither A nor B
Q3) A ________ provides telephone service to customers.
A)PTT
B)Ministry of Telecommunications
C)both A and B
D)neither A nor B
Q4) In the United States,IXCs provide telephone transmission service ________.
A)within a LATA
B)between LATAs
C)between the United States and another country
D)all of the above
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Chapter 15: Module D Directory Servers
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11 Verified Questions
11 Flashcards
Source URL: https://quizplus.com/quiz/29508
Sample Questions
Q1) Directory servers organize information in a ________.
A)mesh
B)hierarchy
C)relational database
D)all of the above
Q2) A company may have many AD domains.
A)True
B)False
Q3) An Active Directory domain ________.
A)has only a single domain controller
B)makes all servers domain controllers
C)must have its servers organized as a tree
D)none of the above
Q4) Which device holds authentication data?
A)authenticator
B)authentication server
C)both A and B
D)neither A nor B
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