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CREST CPSA Exam Questions With Complete Solution

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CREST CPSA Exam Questions With Complete Solution • %SYSTEMDRIVE% - Answer-Contains the boot options for computers with BIOS firmware running NT-based operating system prior to Windows Vista /.%SYSTEMROOT%repairSAM %SYSTEMROOT%System32configRegBackSAM - Answer-Stores Windows users' p...

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  • September 14, 2024
  • 28
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • CREST CPSA
  • CREST CPSA
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CREST CPSA Exam Questions With Complete Solution


%SYSTEMDRIVE%\boot.ini - Answer-Contains the boot options for computers with
BIOS firmware running NT-based operating system prior to Windows Vista

/.%SYSTEMROOT%\repair\SAM

%SYSTEMROOT%\System32\config\RegBack\SAM - Answer-Stores Windows users'
passwords in a hashed format (in LM hash and NTLM hash). These are backups of
C:\windows\system32\config\SAM

/.1.3.6.1.2.1.25.1.6.0
System Processes
1.3.6.1.2.1.25.4.2.1.2
Running Programs
1.3.6.1.2.1.25.4.2.1.4
Processes Path
1.3.6.1.2.1.25.2.3.1.4
Storage Units
1.3.6.1.2.1.25.6.3.1.2
Software Name
1.3.6.1.2.1.77.1.2.25
User Accounts
1.3.6.1.2.1.6.13.1.3
TCP Local Ports - Answer-Microsoft SNMP

/.1000BaseT - Answer-Gigabit Ethernet
1 GB

/.100BaseT - Answer-"Fast Ethernet"
100 Mbps

/.10BaseT - Answer-LAN (Ethernet)
10 Mbps

/.3DES - Answer-168 bit key encryption (48 cycles)

/.A / AAAA Record - Answer-IP Address

/.Active OS Fingerprinting - Answer-Sends specially crafted packets to the remote OS
and analyzes the received response.

NMap is awesome at this

,/.AES (Advanced Encryption Standard) - Answer-A block cypher created in the late
1990s that uses a 128-bit block size and a 128-, 129-, or 256-bit key size.

/.Apache / Tomcat - Answer-Apache Web Servers

/.APIPA - Answer-Automatic Private Internet Protocol Addressing

/.ARP - Answer-Address Resolution Protocol

/.Asymmetric Encryption - Answer-RSA
El Gamal
ECC Eliptic Curve
Diffie-Helman (Key Exchange)
Paillier
Merkle-Helman
Cramer-Shoup

/.Base64 Encoding - Answer-An encoding scheme which represents any binary data
using only printable ASCII characters. Usually used for encoding email attachments
over SMTP

/.Basel Accord - Answer-an agreement that required that banks hold as capital at least
8% of their risk-weighted assets

/.BGP - Answer-Border Gateway Protocol

/.Border Gateway Protocol (BGP) - Answer-A standardized exterior gateway protocol
designed to exchange routing and reach-ability information among autonomous
systems on the Internet. The protocol is classified as a path vector protocol.

/.Cat 5 - Answer-Category 5 wire, a TIA/EIA standard for UTP wiring that can operate at
up to 100 Mbps.

/.CAT5 - Answer-type of cable that has the ability to transfer information from one
computer to another

/.CDMA - Answer-Code Division Multiple Access (GSM competitor)

/.CDP - Answer-Cisco Discovery Protocol

/.Cisco Discovery Protocol (CDP) - Answer-a Cisco proprietary Layer 2 protocol to
gather information about neighboring Cisco devices

/.Cisco Password Encryption - Answer-secret 4 : Crappy SHA256
secret 5 : Salted MD5
secret 7: Crappy Cisco encryption to prevent cleartext in the config

, secret 8 : PBKDF2 (Password-Based Key Derivation Function 2) *bruteforce target*
secret 9 : scrypt (BINGO)

/.Classful IP Range : Class A - Answer-128 Networks (2^7), 16,777,216 Addresses per
network (2^24)

Range : 0.0.0.0-127.0.0.0
Default Subnet Mask : 255.0.0.0
CIDR Notation : /8

/.Classful IP Range : Class B - Answer-16,384 Networks (2^14), 65,536 Addresses per
network (2^16)

Range : 128.0.0.0-191.255.0.0
Default Subnet Mask : 255.255.0.0
CIDR Notation : /16

/.Classful IP Range : Class C - Answer-2,097,152 Networks (2^21), 256 Addresses per
network (2^8)

Range : 192.0.0.0-223.255.255.0
Default Subnet Mask : 255.255.255.0
CIDR Notation : /24

/.Classful IP Range Calculation - Answer-If the first bit is a "0", it's a class A address
(Half the address space has a "0" for the first bit, so this is why class A takes up half the
address space.)

If the second bit is a "0", it's a class B address (Half of the remaining non-class-A
addresses, or one quarter of the total.)

If the third bit is a "0", it's a class C address (Half again of what's left, or one eighth of
the total.)

If the fourth bit is a "0", it's a class D address. (Half the remainder, or one sixteenth of
the address space.) If it's a "1", it's a class E address. (The other half, one sixteenth.)

/.Classless Subnets / CIDR - Answer-Class C - 255.255.255.0 , /24 (254 Hosts)
Class B - 255.255.0.0 , /16 (65,534 Hosts)
Class A - 255.0.0.0 , /8 (16,777,214 Hosts)

/.CNAME (Canonical name record) - Answer-A type of DNS data record that holds
alternative names for a host.

/.COBIT - Answer-Control Objectives for Information and Related Technology

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