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CMPS4251 Exam Multiple Choice Flashcards | StudBud
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CMPS4251 Exam Multiple Choice
CMPS4251 Exam Multiple Choice
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1
Which one is not a benefit of security awareness, training, and education?
minimized legal and contractual compliance
increased employee accountability
improved employee behavior
mitigated liability for employee behavior
2
Which the following is NOT an example of a DoS attack that is popular among hackers?
UDP flood
Virus that initiates a ping flood
IP flood
Flood a Web server with requests
3
Unauthorized logins and privilege abuse are what kind of trespasses?
Software Trespass
User Trespass
4
The firewall topology typically used for large businesses and government organizations is:
single bastion T
single bastion inline
double bastion inline
double bastion T
5
Among the most difficult to detect and prevent cyber-attacks are?
Outsider Attacks
Insider Attacks
Software Trespass
User Trespass
6
Which one is not a reason for partitioning complex programs into smaller modules of least privilege?
components are easier to test and verify
elevated privileges reserved for larger components
component security breach consequence reduced
greater degree of component isolation
7
Which of the following is not a buffer overflow defense?
safe standard library variants
stack protection
replacement stack frames
guard pages
8
Which is not a phase a typical virus goes through?
triggering
scanning
dormant
execution
9
Which one is not a key software security concern associated writing safe program?
focus on general development lifecycle
correct algorithm implementation
correct machine instructions for algorithm
valid manipulation of data
10
Which are the three basic elements of Access Control? (choose one)
owner, subject, access right
access right, subject, object
object, subject, owner
object, owner, subject
11
When a system resource becomes leaky it means there is
loss of information
loss of confidentiality
loss of integrity
loss of availability
12
In addition to the three concepts that form the CIA Triad, one of the following is a commonly mentioned concept.
Accountability
Confidentiality
Integrity
Availability
13
How does an IPS differ from a firewall?
uses signature and anomaly detection techniques
can block traffic
provides a location for monitoring security events
may be host or network based
14
E-mail and Internet use policies are not due to concerns regarding:
signicant employee work time lost
underutilization of current technologies by employees
harassment by one employee against another
inappropriate employee online conduct
15
Virus, Worm, and Trojan Horses are what kind of trespasses?
User Trespass
Software Trespass
16
The firewall Topologywherea singlerewall is between internal and ext. routers, and has thirdnetworkinterface to a DMZ is
double bastion T
single bastion T
single bastion inline
double bastion inline
17
Which type of rewall creates a directory of outbound TCP connections?
Packet Filtering
Stateful inspection
Application-level gateway
Circuit-level gateway
18
Security Awareness is:
Teaches what people should do and how they doit to securely perform IStasks
Most in-depth program of the learning continuum
Targeted at security professionals whose jobs require expertise in security
Seeks to inform and focus an employee's attention on security issues
19
Which is not an essential ingredient of a symmetric cipher? (choose one)
secret key
authentication code
decryption algorithm
plaintext
20
Which programming language is least vulnerable to buffer overflows? (choose one)
Java
PHP
Perl
C++
21
Which is not true about Defensive Programming? (choose one)
Focus is on solving the task
Is also called secure programming
Checks all potential errors
All assumptions are validated
22
In order for a DoS/DDoS attack to be effective, which one of the following elements needs to be used?
IP spoofing
TCP hijacking
Flood of packets
Deny authentication between servers
23
Which is not true about fuzzing?
Free of assumptions
Utilizes templates
Cost of testing is low
Powerful but complex
24
Which of the following is not a threat consequence?
deception
unauthorized disclosure
interception
usurpation
25
A ________ occurs any time a program writes more information into the temporary space it has allocated in the memory
memory overflow
RAM overflow
buffer overflow
systems overload
26
Which malware is a program fragment that needs a host program? (choose one)
worm
virus
bot
rootkit
27
Personnel Security practices and policies does not include: (choose one)
Handling departure
Employee benefits
Training
Hiring
28
What can help counter Hackers? (More than One)
IDS
IPS
VPNs
IOT
29
Which one of the following is NOT a characteristic of a firewall?
Can protect fully against internal threats
One of its techniques is packet filtering
It can consist of hardware, software, or both.
It is a barrier between your network and the rest of the Internet
30
Which is not an element of information systems security?
Premises security
Logical security
Systems security
Physical security
31
Which two malware replicate?
virus
Worm
bot
logic bomb
32
Which DoS attack is not an attack on network bandwidth? (choose one)
Amplification
reflection
classic DoS
SYN spoofing
33
Which of these does NOT describe Snort?
Can be configured as a passive or inline sensor
Heavy IDS
Open-source
Highly configurable/portable, host/network-based
34
Which one is not a firewall topology?
Distributed firewall conguration
Circuit-level proxy
Host-resident rewall
Screening router
35
Which is not a virus classification by concealment?
metamorphic
stealth
file infector
polymorphic
36
Which is not an Access Control category? (choose one)
. Discretionary
. Military
. Role-based
Mandatory
37
Which DoS attack is not an attack on network bandwidth?
SYN spoofing
source address spoong
reflection
classic DoS
38
Which is a public key algorithm? (choose one)
AES
SHA
ECC
DES
39
Which is not an Access Control category? (choose one)
Mandatory
Role-based
Military
Discretionary
40
Which buffer location is not affected by buffer overflow attacks?
kernel data
global data
stack
heap
41
an outsider not authorized to use the computer whopenetrates a system's controls to exploit a legitimate user acc
. trespasser
masquerader
. clandestine user
misfeasor
42
An Organizational Security Policy does not define
responsibilities
executive decisions
acceptable behavior
expected practices
43
Which concept is not a part of the CIA triad? (choose one)
Inegrity
Availability
Confidentiality
Authenticity
44
Which is the most widely used encryption scheme? (choose one)
RSA
. DES
SHA
AES
45
Which is not an essential ingredient of a symmetric cipher? (choose one)
plaintext
authentication code
decryption algorithm
secret key
46
In a reflection attack, the attacker sends network packets: (choose one)
with a spoofed source address to a service running on some network server
to create large volumes of backscatter traffic
to intermediaries with a spoofed source address for the target system
to overflow tables used to manage TCP connections
47
Which of the following steps is not typically includedindeveloping a planfor threat Prevention, mitigation and recovery?
Identify challenges
Determine cascading costs
Prioritize activities
Assess internal and external resources
48
The diagram below is an example of which type of flood attack? (choose one)
Spoofed IP flood attack
SYN flood attack
Packet flood attack
TCP flood attack
49
In a reflection attack, the attacker sends network packets:
with a spoofed source address to a service running on some network server
to create large volumes of backscatter trafc
to overflow tables used to manage TCP connections
to intermediaries with a spoofed source address for the target system
50
Which of the following is not defined by the OSI security architecture? (choose one)
attacks
services
mechanisms
systems
51
Validation of input syntax does not:
involve “escaping” meta-characters
compare to what is acceptable values
use regular expressions
compare to known dangerous values
52
The primary defense against many DoS attacks is to: (choose one)
impose rate controls in ISPs upstream distribution nets
prevent source address spoofing
use SYN cookies when TCP connections table full
use mirrored and replicated servers
53
Compile time defenses:
detect and abort attacks on existing programs
harden programs to resist attacks
manipulate the location of key data structures
make regions of memory non-executable
54
Security training that involves risk management goals, measurement, and leadership is provided for:
Executives
Managers
General users
Programmers, Developers, Maintainers
55
Which one is not a threat related to electrical power
noise
greyouts
brownouts
electromagnetic interference
56
Which of the following is a line of defense after a DoS attack?
attack source traceback and identification
attack validation and verification
attack prevention and preemption
attack detection and Filtering
57
Which element of IS Security protects computer-based data from software-based and communications-based threats?
Logical security
Infrastructure security
Premises security
Physical security