Network Security Basics Exam Practice Tests
Course Introduction
Network Security Basics introduces students to the foundational principles and practices that protect digital networks and information systems from unauthorized access, misuse, and threats. The course covers essential concepts such as types of security threats, cryptographic methods, authentication protocols, and basic firewall management. Students will learn about various network vulnerabilities, common attack techniques, and the tools used to secure network infrastructures. Through practical exercises and real-world scenarios, participants will develop the skills needed to assess network risks and implement effective security measures to safeguard data and maintain the integrity, confidentiality, and availability of information within an organization.
Recommended Textbook
Network+ Guide to Networks 7th Edition by Jill West
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Chapter 1: Introduction to Networking
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Sample Questions
Q1) Which two protocols can be used to gain remote access specifically to a server's command line interface,securely and unsecurely?
A)Telnet
B)SSH
C)Remote Desktop
D)VNC
Answer: A,B
Q2) Explain the differences between a physical topology and a logical topology.
Answer: The term physical topology,or network topology,mostly applies to hardware anddescribes how computers,other devices,and cables fit together to form the physical network.The term logical topology has to do with software and describes how access to thenetwork is controlled,including how users and programs initially gain access to thenetwork and how specific resources,such as applications and databases,are shared onthe network.
Q3) Static electricity is an electrical charge in motion.
A)True
B)False
Answer: False
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3
Chapter 2: How Computers Find Each Other on Networks
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Sample Questions
Q1) Which protocol below is used to make an initial connection between hosts for transferring multimedia data,relying on other protocols once a connection is established?
A)SMB
B)SIP
C)H.323
D)NTP
Answer: B
Q2) What do the first 24 bits of a MAC address represent?
A)Organizationally Unique Identifier
B)device ID
C)extension ID
D)network ID
Answer: A
Q3) A ___________ is a DNS client that requests information from DNS name servers. Answer: resolver
Q4) The MAC address,which is also known as the ______________ address,is embedded on every NIC and is assumed to be unique. Answer: physical
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Chapter 3: How Data Is Transported Over Networks
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Sample Questions
Q1) A _______ joins two or more networks and passes packets from one network to another.
Answer: router
Q2) What is the difference between static and dynamic routing?
Answer: Static routing is a technique in which a network administrator configures a routing table to direct messages along specific paths between networks.Static routes are appropriatein certain situations,such as the static route between a small business and its ISP.However,static routes used to traverse several networks don't account for occasional network congestion,failed connections,or device moves,and they require human intervention.Dynamic routing,on the other hand,automatically calculates the best path between two networksand accumulates this information in the routing table.If congestion or failures affectthe network,a router using dynamic routing can detect the problems and reroute messagesthrough a different path.By default,when a router is added to a network,dynamic routingensures that the new router's routing tables are updated.
Q3) IP is an unreliable,connectionless protocol.
A)True
B)False
Answer: True
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Page 5
Chapter 4: Structured Cabling and Networking Elements
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Sample Questions
Q1) A NIC card cannot determine whether the frames it transmits and receives are using IP packets or a different layer 3 protocol,because the NIC does not operate higher than Layer 2 of the OSI model.
A)True
B)False
Q2) What is the maximum allowable distance for horizontal wiring?
A)100 ft
B)100 m
C)90 m
D)90 ft
Q3) Explain how equipment should be configured in a rack to best optimize airflow and temperature.
Q4) To ensure that any _____________ are detected,frames are made large enough to fill the entire cable during transmission.
Q5) Ethernet exists at what layer of the OSI model?
A)Layer 1
B)Layer 2
C)Layer 3
D)Layer 4
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Chapter 5: Network Cabling
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Sample Questions
Q1) An unwanted connection,such as when exposedwires touch each other.
A)1000Base-LX
B)1000Base-TX
C)ASCII
D)Cat (category)
E)DWDM (Dense Wavelength Division Multiplexing)
F)far end cross-talk (FEXT)
G)multiplexing
H)short circuit
I)throughput
J)wavelength
Q2) A measure of a signal's strength at any given time is known as which term below?
A)amplitude
B)frequency
C)phase
D)wavelength
Q3) Define how phase affects an analog signal.
Q4) How does a digital signal compare to an analog signal?
Q5) A _____________ is a device that retransmits a digital signal in its original form,extending the length of a segment.
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Chapter 6: Wireless Networking
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Sample Questions
Q1) Which of the following are two different types of attacks against Bluetooth connections that can be used to send unsolicited data,or download data without permission?
A)bluesniffing
B)bluejacking
C)bluespoofing
D)bluesnarfing
Q2) Elaborate on the three different types of wireless network topologies.
Q3) The act of driving around an area while runninga laptop configured to detect and capture wireless datatransmissions.
A)active scanning
B)bluesnarfing
C)data frame
D)diffraction
E)goodput
F)omnidirectional antenna
G)unidirectional antenna
H)war chalking
I)war driving
J)WPS attack
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Chapter 7: Cloud Computing and Remote Access
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Q1) Windows,UNIX,Linux,and Mac OS clients are all capable of connecting to a VPN usingPPTP.
A)True
B)False
Q2) What encryption protocol was designed as more of an integrity check for WEP transmissions rather than a sophisticated encryption protocol?
A)Kerberos
B)TKIP
C)AES
D)EAP
Q3) The combination of a public key and a private key are known by what term below?
A)key set
B)key team
C)key pair
D)key tie
Q4) What two options below are AAA services?
A)OpenSSH
B)OpenVPN
C)RADIUS
D)TACACS+
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Chapter 8: Network Risk Management
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Sample Questions
Q1) Which two viruses below are examples of boot sector viruses?
A)Michelangelo
B)Stoned
C)Natas
D)Klez
Q2) A SOHO wireless router typically acts as a firewall and may include packet filtering options.
A)True
B)False
Q3) Describe a boot sector virus.
Q4) Which virus below combines polymorphism and stealth techniques to create a very destructive virus?
A)Natas
B)Macro
C)Michelangelo
D)Stoned
Q5) Different types of organizations have similar levels of network security risks.
A)True
B)False
Q6) Define what a file-infector virus is.
Page 10
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Chapter 9: Unified Communications and Network Performance Management
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Sample Questions
Q1) A dropped packet is often referred to as a _____________.
Q2) What security standard below was created to protect credit card data and transactions,requiring network segmentation as part of security controls?
A)CALEA
B)HIPAA
C)PCI DSS
D)CAARA
Q3) A broadcast that is delayed by a fewminutes to allow for editing processes and licensing concerns.
A)AF (Assured Forwarding)
B)CALEA (Communications Assistance for Law Enforcement Act)
C)network monitor
D)EF (Expedited Forwarding)
E)load balancing
F)NIC teaming
G)PSTN (Public Switched Telephone Network)
H)SS7 (Signaling System 7)
I)time-shifted video
J)Webcast
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Chapter 10: Network Segmentation and Virtualization
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Q1) An untagged VLAN on a switch that will automaticallyreceive all untagged frames.Options for nativeVLANs vary according to the switch manufacturer andmodel.
A)access port
B)BPDU filter
C)CIDR block
D)HSRP (Hot Standby Routing Protocol)
E)native VLAN
F)software defined networking (SDN)
G)trunk port
H)virtual server
I)VLAN hopping attack
J)VRRP (Virtual Router Redundancy Protocol)
Q2) A switch is typically preconfigured with one _______________ that includes all its ports.
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.
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Page 12
Chapter 11: Wide Area Networks
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Q1) If the line between the carrier and the customer experiences significant errors on a T-1,a ____________ will report this fact to the carrier.
Q2) A WAN technology that sends Ethernettraffic across MAN connections.
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
Q3) When copper cabling is used to carry T-1 traffic,what kind of connector is used?
A)RJ-11
B)RJ-25
C)RJ-45
D)RJ-48
Q4) What are some of the features of the WiMAX standard?
Q5) Outline the differences between a LAN and a WAN connection.
Page 13
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Chapter 12: Industrial and Enterprise Networking
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Sample Questions
Q1) ________________ is a process of investigating deeper data on a computerand will essentially autopsy the computer to discover hidden data,such asdeleted files and file fragments,and who has accessed that data and when.
Q2) A supervisory computer orserver in an ICS or SCADA system that controls thephysical system.Also called the control server or theSCADA server.
A)acquisitions server
B)biorecognition access
C)degausser
D)Faraday cage
E)human-machine interfaces (HMI)
F)master terminal unit (MTU)
G)prox card
H)smart card
I)SOW (statement of work)
J)telemetry
Q3) What are three different changes that you might be required to perform on existing software?
Q4) Explain what a memorandum of understanding (MOU)is.
Q5) What should be in a disaster recovery plan that relates to computers?
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