Information Technology Infrastructure
Exam Bank
Course Introduction
Information Technology Infrastructure provides a comprehensive overview of the foundational components that support organizational IT environments. The course covers essential topics including hardware systems, networking concepts, data storage solutions, operating systems, and cloud-based services. Students will explore the design, implementation, and management of both physical and virtual infrastructures, emphasizing reliability, scalability, and security. Practical case studies and hands-on activities equip students with the skills to assess infrastructure needs, troubleshoot common issues, and adopt emerging technologies to meet business objectives effectively.
Recommended Textbook Network+ Guide to Networks 7th Edition by Jill West
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Page 2
Chapter 1: Introduction to Networking
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Q1) Using the same network to deliver multiple types of communications services,such as video,voice,and fax,is known as:
A)multi-faceted networking
B)convergence
C)multiplexing
D)unified networking
Answer: B
Q2) What mail protocol is used to send mail messages to a server?
A)POP3
B)IMAP4
C)SMTP
D)HTTPS
Answer: C
Q3) The process of adding a header to the data inherited from the layer above is called what option below?
A)segmenting
B)encapsulation
C)fragmenting
D)appending
Answer: B
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Chapter 2: How Computers Find Each Other on Networks
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Q1) Explain the three different tunneling protocols developed for transmission of IPv6 packets over or through an IPv4 network.
Answer: Three tunneling protocols developed for IPv6 packets to travel over or through anIPv4 network are:
6to4is the most common tunneling protocol.IPv6 addresses intended to be used bythis protocol always begin with the same 16-bit prefix (called fixed bits),which is 2002and the prefix is written as 2002::/16.The next 32 bits of the IPv6 address are the 32bits of the IPv4 address of the sending host.ISATAP (pronounced " eye-sa-tap" )stands for Intra-Site Automatic Tunnel AddressingProtocol .This protocol works only on a single organization' s intranet.By default,ISATAPis enabled in Windows 7 and Windows 8.1.Teredo (pronounced " ter-EE-do" )is named after the Teredo worm,which bores holes inwood.IPv6 addresses intended to be used by this protocol always begin with 2001 andthe prefix is written as 2001::/32.Teredo is enabled by default in Windows 7,but notWindows 8.1.On UNIX and Linux systems that don' t have Teredo installed by default,you can install third-party software such as Miredo to provide the Teredo service.
Q2) ________________ are not used to find noes on networks other than the local network.
Answer: MAC addresses
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Chapter 3: How Data Is Transported Over Networks
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Sample Questions
Q1) Describe the difference between dynamic ARP table entries and static ARP table entries.
Answer: An ARP table can contain two types of entries: dynamic and static.Dynamic ARP table entries are created when a client makes an ARP request that could not be satisfied by dataalready in the ARP table.Static ARP table entries are those that someone has entered manually using the ARP utility.
Q2) What protocol replaces ARP,IGMP,and ICMPv4 on IPv6 based networks?
A)ARPng
B)BGPv6
C)IGMPv6
D)ICMPv6
Answer: D
Q3) What two fields below are used by IPv4 and IPv6 respectively to limit the number of times that a packet can be forwarded on a network?
A)hop limit
B)TTL
C)max path count
D)total time routing
Answer: A,B
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Chapter 4: Structured Cabling and Networking Elements
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Q1) To ensure that any _____________ are detected,frames are made large enough to fill the entire cable during transmission.
Q2) A _____________ allows for an MTU as high as 9198 bytes.
Q3) A specialized storagedevice or group of storage devices that provides centralizedfault-tolerant data storage for a network.
A)airflow
B)alternating current (AC)
C)collision domain
D)direct current (DC)
E)FCS (frame check sequence)
F)inverter
G)NAS (Network attached storage)
H)power converter
I)rack unit (RU)
J)voltage regulator
Q4) A power fluctuation that results in a temporary dimming of lights is known as a blackout.
A)True
B)False
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Chapter 5: Network Cabling
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Q1) Define how phase affects an analog signal.
Q2) How many cable pairs are needed for 1000Base-T transmission over CAT5e cable?
A)2
B)4
C)6
D)8
Q3) What Ethernet standard below is also referred to as "thinnet"?
A)100Base2
B)10Base2
C)100BaseT
D)10BaseT
Q4) What is the maximum distance for 10GBase-ER and 10GBase-EW on a segment of single mode fiber?
A)550m
B)300m
C)10km
D)40km
Q5) Describe two ways in which analog and digital signals are boosted.
Q6) A _____________ cable reverses all of the wires without regard to how they are paired.
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Chapter 6: Wireless Networking
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Q1) What signal propagation phenomena causes the diffusion,or the reflection in multiple different directions,of a signal?
A)reflection
B)bounce
C)diffraction
D)scattering
Q2) All wireless signals are carried through the air by electromagnetic waves.
A)True
B)False
Q3) Unlike wired signals,wireless signals originate from electrical current traveling along a capacitor.
A)True
B)False
Q4) What signal propagation phenomena causes a wireless signal to split into secondary waves when it encounters an obstruction?
A)reflection
B)bounce
C)diffraction
D)scattering
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Chapter 7: Cloud Computing and Remote Access
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Q1) What two protocols below are Data Link Layer protocols designed to connect WAN endpoints in a direct connection,such as when a client computer connects to a server at an ISP using a dial-up or DSL connectionand modem?
A)OpenVPN
B)SLIP
C)PPTP
D)PPP
Q2) A service model in whichhardware services are provided virtually,including networkinfrastructure devices such as virtual servers.
A)IaaS (Infrastructure as a Service)
B)PaaS (Platform as a Service)
C)SaaS (Software as a Service)
D)PPP (Point to Point Protocol)
E)IKE (Internet Key Exchange)
F)AH (Authentication Header)
G)ESP (Encapsulating Security Payload)
H)CHAP (Challenge Handshake Authentication Protocol)
I)TKIP (Temporal Key Integrity Protocol)
J)KDC (Key Distribution Center)KDC)
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Chapter 8: Network Risk Management
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Q1) Define what a file-infector virus is.
Q2) In ACL statements,the any keyword is equivalent to using which wildcard mask?
A)255.255.255.255
B)0.0.0.0
C)0.0.255.255
D)255.255.0.0
Q3) Which two viruses below are examples of boot sector viruses?
A)Michelangelo
B)Stoned
C)Natas
D)Klez
Q4) A _________________ form is a document that is used to ensure that employees are aware of the fact that their use of company equipment and accounts will be monitored and reviewed as needed for security purposes.
Q5) Networks that use ________________,such as T-1 or DSL connections to the Internet,are vulnerable to eavesdropping at a building' s demarc (demarcation point),at aremote switching facility,or in a central office.
Q6) The ________________ utility is a Windows console that is used to control what users do and how the system can be used.
Page 10
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Chapter 9: Unified Communications and Network Performance Management
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Q1) What is the Health Insurance Portability and Accountability Act (HIPAA)?
Q2) What component of SIP is a server that responds to user agent clients' requests for session initiation and termination?
A)proxy server
B)registrar server
C)user agent server
D)redirect server
Q3) When using DiffServ,what type of forwarding utilizes a minimum departure rate from a given node,which is then assigned to each data stream?
A)assured forwarding
B)prioritized forwarding
C)scaled forwarding
D)expedited forwarding
Q4) TCP is preferred over UDP for real time services.
A)True
B)False
Q5) One aspect of the __________________ regulation addresses the security and privacy of medical records,including those stored or transmitted electronically.
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Chapter 10: Network Segmentation and Virtualization
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Q1) With VTP,the VLAN database is stored on a switch known as which option below?
A)root bridge
B)stack master
C)trunk root
D)vlan server
Q2) A single switch can manage traffic belonging to several VLANs on a single interface,by configuring which option on the interface?
A)A router
B)A trunk port
C)An access port
D)A VLAN port
Q3) How can VLAN hopping attacks be prevented on a network?
A)Install an additional switch to isolate traffic.
B)Disable auto trunking and move native VLANs to unused VLANs.
C)Install a router to process the untagged traffic on the VLAN.
D)Use MAC address filtering.
Q4) What are some reasons to use VLANs?
Q5) Provide three reasons why a network administrator might separate traffic.
Q6) A centrally managed DHCP server can provide DHCP to multiple VLANs by configuring a _________________.
Page 12
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Chapter 11: Wide Area Networks
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Q1) A special case of geosynchronous orbitin which the satellite stays directly above the equator andappears stationary from Earth.Thesesatellitesare the type used to provide satellite Internet access.
A)ATM (Asynchronous Transfer Mode)
B)BRI (Basic Rate Interface)
C)CIR (committed information rate)
D)DSLAM (DSL access multiplexer)
E)geostationary orbit
F)LTE (Long Term Evolution)
G)Metro Ethernet
H)ring topology WAN
I)smart jack
J)transponder
Q2) At what two layers of the OSI model are LAN and WAN protocols likely to differ?
A)Layer 4
B)Layer 2
C)Layer 1
D)Layer 3
Q3) The customer's endpoint device on the WAN is called the
Q4) What are some of the features of the WiMAX standard?
Page 13
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Chapter 12: Industrial and Enterprise Networking
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Q1) What should be in a disaster recovery plan that relates to computers?
Q2) In order to provide access to a historian by personnel working on the corporate network that are not authorized to work on the ICS network,where should the historian be placed?
A)DMZ
B)corporate network
C)Internet
D)private network
Q3) What team member role,if necessary,learns about the situation and the response and then acts as official spokesperson for the organization to the public or other interested parties?
A)dispatcher
B)manager
C)technical support specialist
D)public relations specialist
Q4) What two methods might be used by an ICS to control a physical system?
A)cyclical control system
B)actuating loop system
C)open loop system
D)closed loop system
Page 14
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