IT Support and Networking
Textbook Exam Questions
Course Introduction
This course provides students with foundational knowledge and practical skills in IT support and computer networking. Topics include troubleshooting hardware and software issues, managing operating systems, and providing technical support to users. Students learn about network architectures, protocols, and devices, including routers and switches, and gain hands-on experience setting up, securing, and maintaining local area networks (LANs) and wide area networks (WANs). Emphasis is placed on effective communication, problem-solving, and security best practices, preparing students for roles in help desk and network support environments.
Recommended Textbook Hands On Networking Fundamentals 2nd Edition by Michael Palmer
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Chapter 1: Networking: an Overview
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Q1) A ____ consists of interconnected computers,printers,and other computer equipment in close physical proximity.
A)WAN
B)MAN
C)SAN
D)LAN
Answer: D
Q2) requires an Internet connection to a computer running Windows 7.
A)Internet Connection Sharing (ICS)
B)packet
C)cable plant
D)metropolitan area network (MAN)
E)Institute of Electrical and Electronic Engineers (IEEE)
F)communications media
G)peer-to-peer network
H)network interface card (NIC)
I)star-bus hybrid technology
Answer: A
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Chapter 2: How Lan and Wan Communications Work
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Q1) The ____ field in an Ethernet frame synchronizes frame transmission and consists of an alternating pattern of zeroes and ones.
A)data and pad
B)frame check sequence (FCS)
C)start of frame delimiter (SOF)
D)preamble
Answer: D
Q2) The term ____ refers to wrapping the information in one layer inside the information within the next layer.
A)encase
B)enclose
C)encapsulate
D)envelope
Answer: C
Q3) The ____________________ layer of the OSI model controls the passage of packets along routes on the network.
Answer: Network
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Chapter 3: Using Network Communication Protocols
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Sample Questions
Q1) IP addresses that begin with ____ in the first octet are used for network testing.
A)1
B)126
C)127
D)128
Answer: C
Q2) What is IP addressing and why is it important?
Answer: IP addressing is used to identify a specific node and the network on which it resides.For accurate delivery of a packet,it is vital that each IP address be unique.If there are two or more nodes that attempt to access the same network using the same IP addresses,most operating systems display an error message and prevent those nodes from communicating on the network.Understanding IP addressing is important to learning how network communications work.
Q3) Computers can fully communicate with one another as long as they are on the same LAN,regardless of the protocol they are running.
A)True
B)False
Answer: False
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5
Chapter 4: Connecting Through a Cabled Network
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Q1) What is driver signing and why is it used?
Q2) ____ is the total amount of opposition to the flow of current and is measured in ohms.
A)Impedance
B)Inductance
C)Capacitance
D)Conductance
Q3) Describe baseband versus broadband transmission.
Q4) Which of the following are components needed to make a network connection?
(Choose all that apply.)
A)Transport layer protocol
B)connector for the medium
C)transceiver
D)network application
Q5) ______________________________ cable consists of pairs of insulated solid wire surrounded by a braided or corrugated shielding.
Q6) What are the two purposes intended for 40/100 Gigabit Ethernet?
Q7) ______________ is the amount of signal that is lost as the signal travels through the communications medium.
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Chapter 5: Devices for Connecting Networks
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Q1) Identify six functions performed by a hub.
Q2) Which of the following are functions performed by a bridge? (Choose all that apply.)
A)filtering
B)scanning
C)forwarding
D)learning
Q3) regeneration,amplification,and movement of a packet from one network onto another network.
A)hop
B)dynamic routing
C)data terminal equipment (DTE)
D)multistation access unit (MAU)
E)data service unit (DSU)
F)concentrator
G)modem
H)cut-through switching
I)translational bridge
Q4) Describe an access server that is designed for small to mid-sized applications.
Q5) What four Physical layer functions can a repeater perform?
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Chapter 6: Connecting Through a Wireless Network
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Q1) device that can optionally attach to a cabled network and that services wireless communications between WNICs and the cabled network.
A)Wi-Fi Alliance
B)controlled port
C)access point
D)satellite microwave
E)frequency hopping
F)terminal node controller (TNC)
G)automatic repeat request (ARQ)
H)pulse position modulation (PPM)
I)spread spectrum technology
Q2) Which of the following is a wireless topology that employs two or more access points to form a multiple-cell wireless LAN?
A)IBSS
B)star
C)IAPP
D)ESS
Q3) How does CSMA/CA work in a wireless network?
Q4) How does Direct Sequence Spread Spectrum (DSSS)work?
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Chapter 7: Sharing Resources on a Network
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Q1) In Windows 7,you cannot set permissions on a shared printer,although you can do so on Windows Server 2008.
A)True
B)False
Q2) Which of the following is NOT a printer component used by Berkeley Software Distribution (BSD)?
A)lpr
B)lpset
C)lpd
D)/etc/printcap
Q3) Which of the following commands will create a new user account in Fedora Linux?
A)newuser
B)useradd
C)account -user
D)user -new
Q4) Samba software runs on Linux operating systems and supports SMB protocol.
A)True
B)False
Q5) Describe a virtual private network (VPN)and its purpose.
Q6) Describe how NTFS and share permissions work together.
Page 9
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Chapter 8: Using a Server
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Q1) a tool that you can customize by adding modules called "snap-ins" to manage different server functions.
A)Microsoft Management Console (MMC)
B)thread
C)Active Directory
D)finger utility
E)virtual machine
F)virtual CPU
G)server virtualization
H)du utility
I)network virtualization
Q2) If a user forgets his or her password when trying to logon to a Windows domain,what should you do to help?
A)look up their password in Active Directory
B)tell them to run the password reset wizard on their workstation
C)reset their password
D)delete and recreate their account
Q3) What is Active Directory and what services does it provide?
Q4) Define virtualization with respect to how it is used with computer operating systems.
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Chapter 9: Understanding Wan Connection Choices
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Q1) Provide a high-level description of ATM.
Q2) The bottom layer of SONET is called which of the following?
A)Photonic
B)Electronic
C)Optical
D)Magnetic
Q3) Compare and contrast a DSL adapter with a cable modem.
Q4) Like some other WAN technologies,such as frame relay,ATM uses virtual circuits that are called ____.
A)channels
B)streams
C)connections
D)bands
Q5) A frame relay ____________ virtual circuit requires the establishment of a transmission session.
Q6) Both switched and permanent virtual circuits are examples of packet switching.
A)True
B)False
Q7) Describe five useful applications for SONET technology.
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Q8) ATM uses virtual circuits called ______________,which can be up to 40 Gbps.
Chapter 10: Basic Network Design
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Q1) SNMP capable information-gathering switches dispersed on each floor to provide the network management station with continuous information about all parts of the network.
A)Inter-Access Point Protocol (IAPP)
B)EIA/TIA-607 standard.
C)single-mode fiber-optic cable
D)uninterruptible power source (UPS)
E)network agents
F)tcpdump utility
G)plenum cable
H)router
I)riser cable
Q2) Using the ring topology between building floors follows the EIA/TIA 568-B and EIA/TIA-568-C specifications.
A)True
B)False
Q3) Replace older cable with Cat 5 or better,
A)True
B)False
Q4) When planning to replace cable,what seven factors should you take into account?
Page 12
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Chapter 11: Securing Your Network
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Q1) A(n)____________________ is a computer that is located between a computer on an internal network and a computer on an external network with which the internal computer is communicating.
Q2) Provide a general description for how routers are used in border security.
Q3) A(n)____ is information that a Web server stores on a client computer,such as the client's preferences when accessing a particular Web site,or where the client has been on the Web site.
A)applet
B)cookie
C)scanner
D)listener
Q4) _________________________ packet filtering tracks information about a communication session such as which ports are in use.
Q5) Identify four network hardening techniques.
Q6) _________________________ is the part of IPSec that encrypts data.
Q7) Identify five border points that the strongest border security is designed to protect.
Q8) Identify four tasks that can be fulfilled by a proxy server.
Page 13
Q9) What are the advantages of using Network Address Translation (NAT)?
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Chapter 12: Maintaining and Troubleshooting Your Network
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Q1) The _________________________ service provides administrators with a way of centrally managing workstations,servers,hubs,and routers from a single computer running management software.
Q2) If a network printing problem is related to the server or workstation,what are four areas you should check?
Q3) Which of the following actions can you perform using the nslookup utility? (Choose all that apply.)
A)lookup a computer's MAC address
B)verify connectivity to another host
C)determine the primary DNS server
D)determine a host's IP address
Q4) Which of the following is a property of a file or folder that shows whether or not a file or folder has been backed up since it was last modified?
A)read-only attribute
B)archive attribute
C)modified attribute
D)differential attribute
Q5) A(n)___________ circuit is one where the cable connection is severed.
Q6) Identify four actions that you can perform using nslookup.
Page 14
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