Network Security Exam Questions
Course Introduction
Network Security is a comprehensive course that explores the principles, technologies, and practices used to protect data, devices, and networks from cyber threats. Students will learn about fundamental security concepts such as authentication, encryption, firewalls, intrusion detection and prevention systems, as well as network vulnerabilities and attack types. The course covers methods for securing both wired and wireless networks, discusses security protocols and best practices, and examines risk assessment and mitigation strategies. Through hands-on labs and case studies, students will gain practical skills in configuring security devices and responding to cyber incidents, preparing them for careers in cybersecurity and network administration.
Recommended Textbook Guide to Firewalls and VPNs 3rd Edition by
Michael E. Whitman
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10 Chapters
496 Verified Questions
496 Flashcards
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Chapter 1: Introduction to Information Security
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Sample Questions
Q1) A ____ is an e-mail attack in which the attacker routes large quantities of e-mail to the target system hoping to overwhelm the target with so much irrelevant email that legitimate email cannot be used.
A) spam attack
B) mail bomb
C) sniffer
D) cracker
Answer: B
Q2) A ____ attempts to protect internal systems from outside threats.
A) security perimeter
B) botnet
C) risk management strategy
D) buffer overflow
Answer: A
Q3) An organization will often create a network security ____________________, which defines the boundary between the outer limit of an organization's security and the beginning of the outside network.
Answer: perimeter
Q4) The most common Intellectual Property breach is ____________________.
Answer: software piracy
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Chapter 2: Security Policies and Standards
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Sample Questions
Q1) Created by management to guide the implementation and configuration of a specific technology so as to direct the way a technology is to be used to control the behavior of people in the organization.
A)managerial guidance SysSP document
B)security training
C)incident response
D)business continuity plan
E)information security policy
F)de jure
G)de facto
H)security blueprint
I)business impact analysis
Answer: A
Q2) What criteria must a policy meet to be considered effective and legally enforceable? Answer: Dissemination (distribution)
Review (reading)
Comprehension (understanding)
Compliance (agreement)
Uniform enforcement
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Page 4
Chapter 3: Authenticating Users
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Sample Questions
Q1) Implemented at the discretion of the data user.
A)authentication
B)least privilege
C)discretionary access controls
D)authorization
E)separation of duties
F)identification
G)need to know
H)nondiscretionary access controls
I)accountability
Answer: C
Q2) RADIUS works with Network Address Translation (NAT).
A)True
B)False
Answer: False
Q3) With ____________________ authentication, the firewall enables the authenticated user to access the desired resources for a specific period of time.
Answer: client
Q4) ____________________ is the act of confirming the identity of a potential user.
Answer: Authentication
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Chapter 4: Introduction to Firewalls
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Sample Questions
Q1) When the ____ architectural approach is used, the bastion host contains two NICs (network interface cards) rather than one, as in the bastion host configuration.
A) screened subnet
B) screened host
C) packet-filtering router\
D) dual-homed host
Q2) In the OSI model, level 1 is the ____ layer.
A) physical
B) data link
C) transport
D) application
Q3) Third-generation, stateful inspection firewalls monitor network connections between internal and external systems using ____.
A) rules sets
B) stateless protocols
C) state tables
D) SQL databases
Q4) Describe each generation of firewalls.
Q5) What components are commonly found in a firewall?
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Chapter 5: Packet Filtering
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Sample Questions
Q1) ____ packet filters are useful for completely blocking traffic from a subnet or other network.
A) Stateless
B) Stateful
C) Personal
D) IP
Q2) A stateful filter has a ____, which is a list of current connections.
A) state table
B) rule base
C) rule list
D) state packet list
Q3) A(n) ____________________ is hardware or software that blocks or allows transmission of information packets based on criteria such as port, IP address, and protocol.
Q4) It is good practice to block ____ access to all internal servers from the public networks.
A) HTTP
B) Telnet
C) Simple Mail Transport Protocol
D) DNS
Page 7
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Chapter 6: Firewall Configuration and Administration
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Sample Questions
Q1) In 2003, GASSP was succeeded by ____.
A) GAAP
B) CISSP
C) GAISP
D) GASSPv2
Q2) If a proxy server is in service, ____ should be disabled on routers and other devices that lie between the networks.
A) PAT
B) NAT
C) DNS
D) IP forwarding
Q3) What is an intrusion detection and prevention system?
Q4) SSL supports firewall-based ____.
A) IP forwarding
B) encryption
C) VPN
D) application proxy
Q5) Describe the Content Vectoring Protocol (CVP).
Q6) How should a firewall administrator guard against new risks?
Q7) Describe best practices for adding software updates and patches.
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Chapter 7: Working With Proxy Servers and
Application-Level Firewalls
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Sample Questions
Q1) Microsoft ____________________ is a complex, full-featured firewall that includes stateful packet filtering as well as proxy services, NAT, and intrusion detection.
Q2) Blocking URLs is unreliable, mainly because URLs are typically blocked by proxy servers as full-text URLs.
A)True
B)False
Q3) Also called explicit proxies.
A)dual-homed host
B)URL redirection
C)nontransparent proxies
D)log files
E)parameters
F)SOCKS
G)WinGate
H)proxy servers
I)transparent proxies
Q4) What is the most important benefit of a proxy server?
Q5) How can a proxy server be used for e-mail protection?
Q6) How do proxy server log files help protect the network?
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Chapter 8: Implementing the Bastion Host
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Sample Questions
Q1) What tools are available for Windows-based bastion hosts?
Q2) The first step in securing a bastion host is:.
A) Obtain a mcahine with sufficient memory and processor speed.
B) Run a security audit
C) Install the services to provide or modify existing services
D) back up the system and all data on it, including log files
Q3) A ____ is a level of performance that you consider acceptable and against which the system can be compared.
a.log file
b.system audit
c.quality assurance test
d.baseline
Q4) Once you have configured and deployed a bastion host, there is no need for further maintenance.
A)True
B)False
Q5) The ____________________ location is defined as the exact building and room in which the device is located.
Q6) Why is it a good idea to disable user accounts on the bastion host?
Q7) What type of fees do hosting service charge?
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Chapter 9: Encryption - The Foundation for the Virtual
Private
Network
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Sample Questions
Q1) One of the most popular public key cryptosystems is a proprietary model named
A) Triple DES
B) Rijndael
C) Rivest-Shamir-Aldeman (RSA)
D) certificate authority (CA)
Q2) The set of transformations necessary to convert an unencrypted message into an encrypted message.
A)cipher
B)keyspace
C)encipher
D)cryptosystem
E)ciphertext
F)work factor
G)decipher
H)algorithm
I)cryptovariable
Q3) Describe asymmetric encryption.
Q4) Define encryption.
Q5) What is a Vernam cipher?
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Chapter 10: Setting up a Virtual Private Network
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Sample Questions
Q1) Each end of the VPN represents an extension of your organizational network to a new location; you are creating a(n) ____.
A) Internet
B) private domain
C) intranet
D) extranet
Q2) ____________________ is a computer networking philosophy and a related set of protocols that are together used to evaluate the trustworthiness of a client wishing to join a network.
Q3) Some VPNs use the term encryption ____ to describe everything in the protected network and behind the gateway.
A) network
B) trust
C) sector
D) domain
Q4) A VPN connection occurs within the context of a HTTP tunnel.
A)True
B)False
Q5) Describe the mesh configuration for a VPN.
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