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CompTIA Network plus Certification Study Guide

Glen Clarke

Chapter 12

Network Security - all with Video Answers

Educators

Chapter Questions

Problem 1

What type of attack involves the hacker altering the source address of a packet?
A. Buffer overflow
B. Dictionary attack
C. Social engineering attack
D. Spoof attack

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Problem 2

. What type of password attack involves using dictionary words and appending numbers to the end of those words?
A. Brute-force
B. Dictionary
C. Hybrid
D. Buffer

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Problem 3

What portion of the Windows security subsystem handles both local security policies and user authentication, and generates audit log messages?
A. Local Security Authority (LSA)
B. Security Accounts Manager (SAM)
C. Security Reference Monitor
D. None of the above

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Problem 4

What portion of the Windows security architectures maintains the database used for storing user and group account information on a local Windows XP system?
A. Local Security Authority (LSA)
B. Logon Process
C. Security Reference Monitor
D. Security Accounts Manager (SAM)

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Problem 5

What access control list object determines which users and groups have permissions to an object?
A. System access control list (SACL)
B. Discretionary access control list (DACL)
C. Owner
D. User

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Problem 6

Which of the following allows a user to modify the contents of a file?
A. Read and Execute
B. Read
C. List Folder Contents
D. Modify

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Problem 7

A user's credentials are checked against a database of accounts that are allowed to access the network. This process is known as ?
A. Authorization
B. Authentication
C. Rights
D. Permissions


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Problem 8

What type of device analyzes packets that attempt to enter the network and then either allows or denies the traffic, based on rules?
A. Encryption
B. Firewall
C. Router
D. None of the above

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Problem 9

. What kind of firewall provides a single computer with two physical network interfaces?
A. A dual-homed host firewall
B. A screened-host firewall
C. A screening router
D. A screened subnet firewall

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Problem 10

. Which component(s) is/are included in a screened subnet firewall configuration?
A. Single screening router
B. Host firewall server
C. Circuit application
D. Two screening routers

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Problem 11

Which type of firewall is used to provide security based on rules governing the network or transport layers?
A. Packet level
B. Application level
C. Circuit level
D. None of the above


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Problem 12

Which encryption scheme uses the same encryption key to decrypt the data as the one that encrypted the data?
A. Asymmetric
B. RSA standard
C. Symmetric
D. Public-key algorithm

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01:37

Problem 13

Which of the following is classified as an encryption method? (Choose all that apply.)
A. Stream cipher
B. Data cipher
C. Byte cipher
D. Block cipher

Samriddhi Singh
Samriddhi Singh
Numerade Educator
01:37

Problem 14

4. Which block cipher mode encrypts each block individually during the encryption process?
A. Electronic Codebook (ECB)
B. Cipher Block Chaining (CBC)
C. Cipher Feedback Mode (CFB)
D. None of the above

Samriddhi Singh
Samriddhi Singh
Numerade Educator

Problem 15

. What encryption standard is based on a fixed 56-bit symmetric key encryption algorithm?
A. RSA
B. DES
C. CPA
D. DSE

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Problem 16

What technology uses certificate authorities to verify that a message has not been tampered with?
A. RSA encryption
B. Local Security Authority

James Kiss
James Kiss
Numerade Educator

Problem 17

Which disaster recovery site provides only the facility, but no equipment or copy of the original data?
A. Hot site
B. Warm site
C. Blue site
D. Cold site

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Problem 18

8. Which disaster recovery site provides the facility and ensures that the site has an up-to-date copy of the data needed to have a fully functional site?
A. Hot site
B. Warm site
C. Blue site
D. Cold site

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Problem 19

What type of spare component has power supplied to it and is ready to take over if the original component fails?
A. Cold spare
B. Network spare
C. Warm spare
D. Hot spare

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Problem 20

. Which of the following pieces of software provide a vulnerability scan of the network? (Select all that apply.)
A. Languard
B. Norton AntiVirus
C. Microsoft Baseline Security Analyzer
D. Microsoft AntiSpyware
E. Spybot

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Problem 21

After installing a network operating system, what should you do before placing the machine on the network to help secure it?
A. Harden the operating system
B. Install a firewall
C. Configure e-mail
D. Build user accounts

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Problem 22

After hardening the operating system, what should you do to ensure that your server has all security fixes applied to it?
A. Install antivirus software
B. Install antispyware software
C. Patch the server
D. None of the above

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