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Principles of Information Security Flashcards | StudBud
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Principles of Information Security
Principles of Information Security
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#RonFord 30 Questions for Mr. Ford.
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30 cards
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Questions
30
Answers
1
On linux what displays all users logged onto a system.
who
users
me
new
2
What type of attack is typically used on unsalted passwords by hackers?
Brute Force
Dictionary
Rainbow Tables
3
What uses port 123?
RTP
NTP
RCS
time
4
What does the Physical layer send to the Data- Link layer?
Information about you to the NSA
Bits
Nothng
Bytes
5
What port does QOTD run on?
12
7
17
19
6
What layer of the OSI model is Jpeg on?
Application
Tansport
Physical
Presentation
7
POP3 over TLS/SSL (was spop3) uses what port?
743
995
1000
843
8
Hashes are secure?
True
False
9
With encryption, the data is reversible to the right users.
True
False
10
What layer of the OSI model does TCP and UDP operate on?
Presentation
Transport
Physical
Application
11
____ is always a one -way function.
Encoding
Encryption
Salting
Hashing
12
A text based utility used to manage disk partition?
Disk
Pdisk
Vi
Fdisk
13
TCP: the _____ flag is used by the client to request communication with the server.
SYN-ACK
SACK
ACK
SYN
14
Which transport layer feature is used to guarantee session establishment?
TCP
Data-link
LLC
TCP 3-way handshake
15
What protocol translates names into IP addresses?
DHCP
DNS
NONE
WISP
16
The ____ directory contains the configuration files for the system.
/etc/configs
/etc
/configs
/tmp
17
What is the number (in linux) for write?
3
4
1
2
18
With which port(s) of a SFTP server must your PC interacted when obtaining data?
21 and 22
21 and a random port
21
21 and 20 or 21 and a random port.
19
How often should you change your password?
Every 30 days
Every 60 days
Every 31 days
Every 10 Days
20
What port is 389?
HTTPS
DHCP
SFTP
LDAP
21
What command is used to look at scheduled jobs?
man
cron
crontab
later
22
What is the three-way handshake sequence used to initiate TCP connections?
ACK-RST
SYN, SYN/ACK, ACK
ECE
ACK, SYN, FIN
23
What does “alt +4” do in Linux?
It takes over the world
It ends a task running in console.
It closes the currently used window.
It kills everyone
24
With _ passwords, if the attacker manages to crack the hash it will not match in the database.
Hashed
Bashed
Salted
Bad
25
What is the complete range of TCP and UDP well-known ports?
1023-33633
0-1000
0 to 1023
10-2101
26
How to look up network configuration?
nslookup
ifconfig
ipconfig
config
27
What layer has LLC?
Application
Transport
Physical
Data link
28
What port does the protocol SMTP use?
25
13
24
89
29
What port is being used to access http://amazon.com?
123
81
440
80
30
What port uses the XNS time protocol?
136
10
52
53 and 54
