Information Technology Infrastructure
Exam Materials
Course Introduction
Information Technology Infrastructure provides an in-depth introduction to the foundational technologies and organizational concepts that support modern digital enterprises. The course covers core components such as hardware, software, networking, data storage, and cloud computing, emphasizing their roles in delivering reliable, scalable, and secure information services. Students will explore best practices in infrastructure management, virtualization, disaster recovery, business continuity, and emerging trends like the Internet of Things and green IT. This course prepares students to understand, assess, and manage the complex infrastructure environments critical to todays organizations.
Recommended Textbook
Business Data Networks and Security 10th Edition by
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15 Chapters
838 Verified Questions
838 Flashcards
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Page 2
Raymond R. Panko
Chapter 1: Welcome to the Cloud
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95 Verified Questions
95 Flashcards
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Sample Questions
Q1) Packets are ________.
A)switched
B)routed
C)both A and B
D)neither A nor B.
Answer: B
Q2) Which layer's standards govern signaling?
A)1
B)2
C)3
D)4
Answer: A
Q3) Netflix uses AWS for its ________.
A)recommendation system
B)content delivery appliances
C)both A and B
D)neither A nor B
Answer: A
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Page 3
Chapter 2: Network Standards
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69 Verified Questions
69 Flashcards
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Sample Questions
Q1) To represent 65 alternatives,your alternatives field would have to be at least ________ bits long.
A)5
B)6
C)7
D)8
Answer: C
Q2) How long are IPv4 addresses?
A)4 bits
B)32 bits
C)48 bits
D)128 bits
Answer: B
Q3) Converting application messages into bits is called ________.
A)encapsulation
B)encryption
C)encoding
D)exchange
Answer: C
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Page 4
Chapter 3: Network Security
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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) How will a stateful packet inspection (SPI)firewall handle a packet containing a TCP segment which is an acknowledgement?
A)process it through the Access Control List (ACL)
B)pass it if it is part of an approved connection
C)both A and B
D)neither A nor B
Answer: B
Q3) A ________ is a flaw in a program that permits a specific attack or set of attacks against this problem.
A)malware
B)security error
C)vulnerability
D)security fault
Answer: C
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Chapter 4: Network and Security Management
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Sample Questions
Q1) Attacking your own firm occurs in ________.
A)vulnerability testing
B)auditing
C)both A and B
D)neither A nor B
Q2) Errors may substantially reduce throughput in ________.(Pick the standard most affected.)
A)IP
B)TCP
C)UDP
D)HTTP
Q3) Vulnerabilities are occasionally found in even the best security products.Consequently,companies must ________.
A)have comprehensive security
B)have defense in depth
C)do risk analysis
D)only give minimum permissions
Q4) In SNMP,the manager communicates directly with the managed device.
A)True
B)False
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Chapter 5: Ethernet 8023switched Lans
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Sample Questions
Q1) Which UTP quality levels can send signals at 10 gigabits per second?
A)category 6
B)category 6A
C)both A and B
D)neither A nor B
Q2) The ________ standard was created to prevent attackers from walking in and simply plugging a computer into a wall jack and therefore accessing the network.
A)Ethernet firewall
B)802.1AE
C)802.3X
D)802.1X
Q3) The Ethernet length field gives the length of the ________.
A)frame
B)frame, less the frame check field's size
C)data field
D)data field plus PAD
Q4) In this book,we use the terms Ethernet and 802.3 interchangeably.
A)True
B)False
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Chapter 6: Wireless Lans I
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Sample Questions
Q1) What happens if two nearby access points use the same channel?
A)They will interfere with each other.
B)They will be bonded for joint operation automatically.
C)They will be bonded for joint operation automatically if they are on the same ESS.
D)They will be bonded for joint operation automatically if they have the same SSID.
Q2) Spread spectrum transmission is used in WLANs for ________.
A)higher transmission speed
B)more reliable transmission
C)greater security
D)more efficient transmission
Q3) In the 5 GHz band,how many channels can you have with 802.11ac with 80 GHz channels?
A)1
B)6
C)12
D)24
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Chapter 7: Wireless Lans 2
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Sample Questions
Q1) What is the strongest security protocol for 802.11 today?
A)802.11i
B)802.11s
C)802.11X
D)WPA
Q2) Managed access points should ________.
A)identify rogue access points
B)be able to push updates out to access points
C)both A and B
D)neither A nor B
Q3) Which offers stronger security?
A)WPA
B)802.11i
C)Both A and B offer equally strong security.
Q4) Which of the following has a dangerous vulnerability that is causing problems today?
A)PEAP
B)802.11i
C)WPA
D)WPS
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Chapter 8: Tcp-Ip Internet Working I
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Sample Questions
Q1) After selecting a row on a routing table,a router will send packets out to the
A)port
B)socket
C)interface
D)plug
Q2) Which of the following can handle an application message that is one megabyte in size?
A)TCP
B)UDP
C)both A and B
D)neither A nor B
Q3) For human reading,IPv6 fields are separated by ________.
A)dashes
B)slashes
C)colons
D)none of the above
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10
Chapter 9: Tcp-Ip Internet Working 2
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Sample Questions
Q1) SNMPv3 uses ________ for authentication.
A)community names
B)digital certificates and digital signatures
C)a different password for each manager-agent pair
D)all of the above
Q2) In SNMP,companies are often reluctant to use ________ commands because of security dangers.
A)Get
B)Set
C)trap
D)request
Q3) Which of the following is true about NAT?
A)It can enhance security.
B)It presents problems for some protocols.
C)both A and B
D)neither A nor B
Q4) Which has stronger security?
A)SSL/TLS
B)IPsec
C)Both have about equal security.
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Chapter 10: Carrier Wide Area Networks Wans
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Sample Questions
Q1) Which of the following is a common use for carrier WANs?
A)to connect corporate sites
B)to connect a corporate site to the Internet
C)both A and B
D)neither A nor B
Q2) The PSTN core is organized as a ________.
A)mesh
B)hierarchy
C)modified hierarchy
D)loop
Q3) OpenFlow can be used to standardize ________.
A)northbound APIs
B)southbound APIs
C)both A and B
D)neither A nor B
Q4) In ADSL,the residential customer needs a(n)________.
A)DSLAM
B)ADSL modem
C)both A and B
D)neither A nor B
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Chapter 11: Networked Applications
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Sample Questions
Q1) VoIP users have ________ in their phones or on their computers.
A)media gateways
B)codecs
C)both A and B
D)neither A nor B
Q2) Which of the following is a processor-sharing application?
A)BitTorrent
B)SETI@home
C)SIP
D)Skype
Q3) Having all privileges on a computer is known as having ________.
A)access
B)omniscience
C)root privileges
D)mojo
Q4) Which of the following is used to retrieve Web pages?
A)HTTP
B)HTML
C)RTP
D)SQL
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Chapter 12: Module a More on Tcp
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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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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) Phase modulation uses two ________ levels.
A)loudness
B)frequency
C)wave
D)none of the above
Q3) In QAM,if you have four possible amplitudes,you have ________ possible states.
A)4
B)8
C)16
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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Sample Questions
Q1) For PBXs,call detail reporting is ________.
A)a user service
B)an attendant service
C)a management service
Q2) SONET/SDH uses a ________ topology.
A)point-to-point
B)hierarchy
C)mesh
D)ring
Q3) Which of the following have an altitude of a few thousand kilometers (a few thousand miles)?
A)GEOs
B)LEOs
C)MEOs
D)none of the above
Q4) A ring topology is attractive because it brings ________.
A)higher speed
B)lower cost
C)greater reliability
D)all of the above
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Chapter 15: Module D Directory Servers
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Sample Questions
Q1) A group of Active Directory domains organized in a hierarchy is a ________.
A)network
B)tree
C)forest
D)none of the above
Q2) A group of Active Directory trees organized in a hierarchy is a forest.
A)True
B)False
Q3) If a company has multiple authentication servers,which devices are likely to hold the authentication data?
A)authenticators
B)authentication servers individually
C)authentication servers doing replication
D)directory servers
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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