Quiz
Preparatoria 4
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Questions in this quiz (169)
1Which cipher encrypts the plain text digit (bit or byte) one by one?
- AClassical cipher
- BBlock cipher
- CModern cipher
- DStream cipher
2Which type of access control is used on a router or firewall to limit network activity?
- AMandatory
- BDiscretionary
- CRule-based
- DRole-based
3If a token and 4-digit personal identification number (PIN) are used to access a computer
system and the token performs off-line checking for the correct PIN, what type of attack is possible?- ABirthday
- BBrute force
- CMan-in-the-middle
- DSmurf
4Which of the following is designed to identify malicious attempts to penetrate systems?
- AIntrusion Detection System
- BFirewall
- CProxy
- DRouter
5Which of the following is assured by the use of a hash?
- AIntegrity
- BConfidentiality
- CAuthentication
- DAvailability
6What is the minimum number of network connections in a multi homed firewall?
- A3
- B5
- C4
- D2
7How does the Address Resolution Protocol (ARP) work?
- AIt sends a request packet to all the network elements, asking for the MAC address from a specific IP.
- BIt sends a reply packet to all the network elements, asking for the MAC address from a specific IP.
- CIt sends a reply packet for a specific IP, asking for the MAC address.
- DIt sends a request packet to all the network elements, asking for the domain name from a specific IP.
8Which security strategy requires using several, varying methods to protect IT systems
against attacks?- ADefense in depth
- BThree-way handshake
- CCovert channels
- DExponential backoff algorithm
9Which of the following techniques does a vulnerability scanner use in order to detect a
vulnerability on a target service?- APort scanning
- BBanner grabbing
- CInjecting arbitrary data
- DAnalyzing service response
10How can you determine if an LM hash you extracted contains a password that is less than 8
characters long?- AThere is no way to tell because a hash cannot be reversed
- BThe right most portion of the hash is always the same
- CThe hash always starts with AB923D
- DThe left most portion of the hash is always the same
- EA portion of the hash will be all 0's
11Which of the following guidelines or standards is associated with the credit card industry?
- AControl Objectives for Information and Related Technology (COBIT)
- BSarbanes-Oxley Act (SOX)
- CHealth Insurance Portability and Accountability Act (HIPAA)
- DPayment Card Industry Data Security Standards (PCI DSS)
12Identify the correct terminology that defines the above statement.
- AVulnerability Scanning
- BPenetration Testing
- CSecurity Policy Implementation
- DDesigning Network Security
13An attacker tries to do banner grabbing on a remote web server and executes the following
command.
Service
detection performed. Please report any incorrect results at http://nmap.org/submit/.
Nmap done: 1 IP address (1 host up) scanned in 6.42 seconds
What did the hacker accomplish?
- Anmap can't retrieve the version number of any running remote service.
- BThe hacker successfully completed the banner grabbing.
- CThe hacker should've used nmap -O host.domain.com.
- DThe hacker failed to do banner grabbing as he didn't get the version of the Apache web server.
14What is the main difference between a "Normal" SQL Injection and a "Blind" SQL Injection
vulnerability?- AThe request to the web server is not visible to the administrator of the vulnerable application.
- BThe attack is called "Blind" because, although the application properly filters user input, it is still vulnerable to code injection.
- CThe successful attack does not show an error message to the administrator of the affected application.
- DThe vulnerable application does not display errors with information about the injection results to the attacker.
15Fingerprinting an Operating System helps a cracker because:
- AIt defines exactly what software you have installed
- BIt opens a security-delayed window based on the port being scanned
- CIt doesn't depend on the patches that have been applied to fix existing security holes
- DIt informs the cracker of which vulnerabilities he may be able to exploit on your system
16You are attempting to man-in-the-middle a session. Which protocol will allow you to guess a
sequence number?- ATCP
- BUPD
- CICMP
- DUPX
17First thing you do every office day is to check your email inbox. One morning, you received
an email from your best friend and the subject line is quite strange. What should you do?- ADelete the email and pretend nothing happened.
- BForward the message to your supervisor and ask for her opinion on how to handle the situation.
- CForward the message to your company's security response team and permanently delete the messagefrom your computer.
- DReply to the sender and ask them for more information about the message contents.
18During a blackbox pen test you attempt to pass IRC traffic over port 80/TCP from a
compromised web enabled host. The traffic gets blocked; however, outbound HTTP traffic is
unimpeded.
What type of firewall is inspecting outbound traffic?- AApplication
- BCircuit
- CStateful
- DPacket Filtering
19Neil notices that a single address is generating traffic from its port 500 to port 500 of several
other machines on the network. This scan is eating up most of the network bandwidth and Neil is
concerned. As a security professional, what would you infer from this scan?- AIt is a network fault and the originating machine is in a network loop
- BIt is a worm that is malfunctioning or hardcoded to scan on port 500
- CThe attacker is trying to detect machines on the network which have SSL enabled
- DThe attacker is trying to determine the type of VPN implementation and checking for IPSec
20Take a look at the following attack on a Web Server using obstructed URL:
How would you protect from these attacks?
- AConfigure the Web Server to deny requests involving "hex encoded" characters
- BCreate rules in IDS to alert on strange Unicode requests
- CUse SSL authentication on Web Servers
- DEnable Active Scripts Detection at the firewall and routers
21Which of the following does proper basic configuration of snort as a network intrusion
detection system require?- ALimit the packets captured to the snort configuration file.
- BCapture every packet on the network segment.
- CLimit the packets captured to a single segment.
- DLimit the packets captured to the /var/log/snort directory.
22Defining rules, collaborating human workforce, creating a backup plan, and testing the plans
are within what phase of the Incident Handling Process?- APreparation phase
- BContainment phase
- CRecovery phase
- DIdentification phase
23Which of the following BEST describes how Address Resolution Protocol (ARP) works?
- AIt sends a reply packet for a specific IP, asking for the MAC address
- BIt sends a reply packet to all the network elements, asking for the MAC address from a specific IP
- CIt sends a request packet to all the network elements, asking for the domain name from a specific IP
- DIt sends a request packet to all the network elements, asking for the MAC address from a specific IP
24It is a short-range wireless communication technology that allows mobile phones,
computers and other devices to connect and communicate. This technology intends to replace cables
connecting portable devices with high regards to security.- ABluetooth
- BWLAN
- CInfraRed
- DRadio-Frequency Identification
25What is the benefit of performing an unannounced Penetration Testing?
- AThe tester will have an actual security posture visibility of the target network.
- BNetwork security would be in a "best state" posture.
- CIt is best to catch critical infrastructure unpatched.
- DThe tester could not provide an honest analysis.
26A hacker was able to easily gain access to a website. He was able to log in via the frontend
user login form of the website using default or commonly used credentials. This exploitation is an
example of what Software design flaw?- AInsufficient security management
- BInsufficient database hardening
- CInsufficient input validation
- DInsufficient exception handling
27When an alert rule is matched in a network-based IDS like snort, the IDS does which of the
following?- ADrops the packet and moves on to the next one
- BContinues to evaluate the packet until all rules are checked
- CStops checking rules, sends an alert, and lets the packet continue
- DBlocks the connection with the source IP address in the packet
28If there is an Intrusion Detection System (IDS) in intranet, which port scanning technique
cannot be used?- ASpoof Scan
- BTCP Connect scan
- CTCP SYN
- DIdle Scan
29You are performing information gathering for an important penetration test. You have
found pdf, doc, and images in your objective. You decide to extract metadata from these files and
analyze it.
What tool will help you with the task?- AMetagoofil
- BArmitage
- CDimitry
- Dcdpsnarf
30The network administrator contacts you and tells you that she noticed the temperature on
the internal wireless router increases by more than 20% during weekend hours when the office was
closed. She asks you to investigate the issue because she is busy dealing with a big conference and
she doesn't have time to perform the task.
What tool can you use to view the network traffic being sent and received by the wireless router?- AWireshark
- BNessus
- CNetcat
- DNetstat
31This tool is an 802.11 WEP and WPA-PSK keys cracking program that can recover keys once
enough data packets have been captured. It implements the standard FMS attack along with some
optimizations like KoreK attacks, as well as the PTW attack, thus making the attack much faster
compared to other WEP cracking tools.
Which of the following tools is being described?- AAircrack-ng
- BAirguard
- CWLAN-crack
- Dwificracker
32An attacker has installed a RAT on a host. The attacker wants to ensure that when a user
attempts to go to
"www.MyPersonalBank.com", that the user is directed to a phishing site.
Which file does the attacker need to modify?- AHosts
- BSudoers
- CBoot.ini
- DNetworks
33Bob is going to perform an active session hijack against Brownies Inc. He has found a target
that allows session oriented connections (Telnet) and performs the sequence prediction on the target
operating system. He manages to find an active session due to the high level of traffic on the
network. What is Bob supposed to do next?- ATake over the session
- BReverse sequence prediction
- CGuess the sequence numbers
- DTake one of the parties offline
34The security concept of "separation of duties" is most similar to the operation of which type
of security device?- AFirewall
- BBastion host
- CIntrusion Detection System
- DHoneypot
35From the following table, identify the wrong answer in terms of Range (ft).
- A802.11b
- B802.11g
- C802.16(WiMax)
- D802.11a
36You've just been hired to perform a pen test on an organization that has been subjected to a
large-scale attack.
The CIO is concerned with mitigating threats and vulnerabilities to totally eliminate risk. What is one of the first things you should do when given the job?- AExplain to the CIO that you cannot eliminate all risk, but you will be able to reduce risk to
acceptable levels. - BInterview all employees in the company to rule out possible insider threats.
- CEstablish attribution to suspected attackers.
- DStart the wireshark application to start sniffing network traffic.
- AExplain to the CIO that you cannot eliminate all risk, but you will be able to reduce risk to
37Why containers are less secure that virtual machines?
- AHost OS on containers has a larger surface attack.
- BContainers may full fill disk space of the host.
- CA compromise container may cause a CPU starvation of the host.
- DContainers are attached to the same virtual network.
38To maintain compliance with regulatory requirements, a security audit of the systems on a
network must be performed to determine their compliance with security policies. Which one of the
following tools would most likely be used in such an audit?- AVulnerability scanner
- BProtocol analyzer
- CPort scanner
- DIntrusion Detection System
39You have retrieved the raw hash values from a Windows 2000 Domain Controller. Using
social engineering, you come to know that they are enforcing strong passwords. You understand that
all users are required to use passwords that are at least 8 characters in length. All passwords must
also use 3 of the 4 following categories:
lower case letters, capital letters, numbers and special characters. With your existing knowledge of
users, likely user account names and the possibility that they will choose the easiest passwords
possible, what would be the fastest type of password cracking attack you can run against these hash
values and still get results?- AOnline Attack
- BDictionary Attack
- CBrute Force Attack
- DHybrid Attack
40When you are collecting information to perform a data analysis, Google commands are very
useful to find sensitive information and files. These files may contain information about passwords,
system functions, or documentation.
What command will help you to search files using Google as a search engine?- Asite: target.com filetype:xls username password email
- Binurl: target.com filename:xls username password email
- Cdomain: target.com archive:xls username password email
- Dsite: target.com file:xls username password email
41Which Metasploit Framework tool can help penetration tester for evading Anti-virus
Systems?- Amsfpayload
- Bmsfcli
- Cmsfencode
- Dmsfd
42Sandra has been actively scanning the client network on which she is doing a vulnerability
assessment test.
While conducting a port scan she notices open ports in the range of 135 to 139.
What protocol is most likely to be listening on those ports?- AFinger
- BFTP
- CSamba
- DSMB
43At a Windows Server command prompt, which command could be used to list the running
services?- ASc query type= running
- BSc query \\servername
- CSc query
- DSc config
44The fundamental difference between symmetric and asymmetric key cryptographic systems
is that symmetric key cryptography uses which of the following?- AMultiple keys for non-repudiation of bulk data
- BDifferent keys on both ends of the transport medium
- CBulk encryption for data transmission over fiber
- DThe same key on each end of the transmission medium
45What mechanism in Windows prevents a user from accidentally executing a potentially
malicious batch (.bat) or PowerShell (.ps1) script?- AUser Access Control (UAC)
- BData Execution Prevention (DEP)
- CAddress Space Layout Randomization (ASLR)
- DWindows firewall
46Knowing the nature of backup tapes, which of the following is the MOST RECOMMENDED
way of storing backup tapes?- AIn a cool dry environment
- BInside the data center for faster retrieval in a fireproof safe
- CIn a climate controlled facility offsite
- DOn a different floor in the same building
47Which of the following tools would MOST LIKELY be used to perform security audit on
various of forms of network systems?- AIntrusion Detection System
- BVulnerability scanner
- CPort scanner
- DProtocol analyzer
48A company firewall engineer has configured a new DMZ to allow public systems to be
located away from the internal network. The engineer has three security zones set:
The engineer wants to configure remote desktop access from a fixed IP on the remote network to a
remote desktop server in the DMZ. Which rule would best fit this requirement?
- APermit 217.77.88.0/24 11.12.13.0/24 RDP 3389
- BPermit 217.77.88.12 11.12.13.50 RDP 3389
- CPermit 217.77.88.12 11.12.13.0/24 RDP 3389
- DPermit 217.77.88.0/24 11.12.13.50 RDP 3389
49A consultant has been hired by the V.P. of a large financial organization to assess the
company's security posture. During the security testing, the consultant comes across child
pornography on the V.P.'s computer.
What is the consultant's obligation to the financial organization?- ASay nothing and continue with the security testing.
- BStop work immediately and contact the authorities.
- CDelete the pornography, say nothing, and continue security testing.
- DBring the discovery to the financial organization's human resource department.
50Tess King is using the nslookup command to craft queries to list all DNS information (such as
Name Servers, host names, MX records, CNAME records, glue records (delegation for child Domains),
zone serial number, TimeToLive (TTL) records, etc) for a Domain.
What do you think Tess King is trying to accomplish? Select the best answer.- AA zone harvesting
- BA zone transfer
- CA zone update
- DA zone estimate
51Which of the following is a protocol specifically designed for transporting event messages?
- ASYSLOG
- BSMS
- CSNMP
- DICMP
52Alice encrypts her data using her public key PK and stores the encrypted data in the cloud.
Which of the following attack scenarios will compromise the privacy of her data?- ANone of these scenarios compromise the privacy of Alice's data
- BAgent Andrew subpoenas Alice, forcing her to reveal her private key. However, the cloud server successfully resists Andrew's attempt to access the stored data
- CHacker Harry breaks into the cloud server and steals the encrypted data
- DAlice also stores her private key in the cloud, and Harry breaks into the cloud server as before
53The network administrator at Spears Technology, Inc has configured the default gateway
Cisco router's access-list as below:
You are hired to conduct security testing on their network.
You successfully brute-force the SNMP community string using a SNMP crack tool.
The access-list configured at the router prevents you from establishing a successful connection.
You want to retrieve the Cisco configuration from the router. How would you proceed?- AUse the Cisco's TFTP default password to connect and download the configuration file
- BRun a network sniffer and capture the returned traffic with the configuration file from the router
- CRun Generic Routing Encapsulation (GRE) tunneling protocol from your computer to the router masking your IP address
- DSend a customized SNMP set request with a spoofed source IP address in the range -192.168.1.0
54In order to prevent particular ports and applications from getting packets into an
organization, what does a firewall check?- ANetwork layer headers and the session layer port numbers
- BPresentation layer headers and the session layer port numbers
- CApplication layer port numbers and the transport layer headers
- DTransport layer port numbers and application layer headers
55You have successfully gained access to your client's internal network and successfully
comprised a Linux server which is part of the internal IP network. You want to know which Microsoft
Windows workstations have file sharing enabled.
Which port would you see listening on these Windows machines in the network?- A445
- B3389
- C161
- D1433
56The following are types of Bluetooth attack EXCEPT_____?
- ABluejacking
- BBluesmaking
- CBluesnarfing
- DBluedriving
57Destination unreachable administratively prohibited messages can inform the hacker to
what?- AThat a circuit level proxy has been installed and is filtering traffic
- BThat his/her scans are being blocked by a honeypot or jail
- CThat the packets are being malformed by the scanning software
- DThat a router or other packet-filtering device is blocking traffic
- EThat the network is functioning normally
58A possibly malicious sequence of packets that were sent to a web server has been captured
by an Intrusion Detection System (IDS) and was saved to a PCAP file. As a network administrator, you
need to determine whether this packets are indeed malicious. What tool are you going to use?- AIntrusion Prevention System (IPS)
- BVulnerability scanner
- CProtocol analyzer
- DNetwork sniffer
59A penetration tester is conducting a port scan on a specific host. The tester found several
ports opened that were confusing in concluding the Operating System (OS) version installed.
Considering the NMAP result below, which of the following is likely to be installed on the target
machine by the OS?
- AThe host is likely a Windows machine.
- BThe host is likely a Linux machine.
- CThe host is likely a router.
- DThe host is likely a printer.
60Which results will be returned with the following Google search query?
site:target.com -site:Marketing.target.com accounting- AResults matching all words in the query
- BResults matching "accounting" in domain target.com but not on the site Marketing.target.com
- CResults from matches on the site marketing.target.com that are in the domain target.com but do not include the word accounting
- DResults for matches on target.com and Marketing.target.com that include the word "accounting"
61What is the most common method to exploit the "Bash Bug" or "ShellShock" vulnerability?
- AThrough Web servers utilizing CGI (Common Gateway Interface) to send a malformed
environment variable to a vulnerable Web server - BManipulate format strings in text fields
- CSSH
- DSYN Flood
- AThrough Web servers utilizing CGI (Common Gateway Interface) to send a malformed
62It is an entity or event with the potential to adversely impact a system through unauthorized
access, destruction, disclosure, denial of service or modification of data.
Which of the following terms best matches the definition?- AThreat
- BAttack
- CVulnerability
- DRisk
63Which of the following cryptography attack methods is usually performed without the use
of a computer?- ACiphertext-only attack
- BChosen key attack
- CRubber hose attack
- DRainbow table attack
64Which statement best describes a server type under an N-tier architecture?
- AA group of servers at a specific layer
- BA single server with a specific role
- CA group of servers with a unique role
- DA single server at a specific layer
65When utilizing technical assessment methods to assess the security posture of a network,
which of the following techniques would be most effective in determining whether end-user security
training would be beneficial?- AVulnerability scanning
- BSocial engineering
- CApplication security testing
- DNetwork sniffing
66Which statement is TRUE regarding network firewalls preventing Web Application attacks?
- ANetwork firewalls can prevent attacks because they can detect malicious HTTP traffic.
- BNetwork firewalls cannot prevent attacks because ports 80 and 443 must be opened.
- CNetwork firewalls can prevent attacks if they are properly configured.
- DNetwork firewalls cannot prevent attacks because they are too complex to configure.
67You work as a Security Analyst for a retail organization. In securing the company's network,
you set up a firewall and an IDS. However, hackers are able to attack the network. After investigating,
you discover that your IDS is not configured properly and therefore is unable to trigger alarms when
needed. What type of alert is the IDS giving?- AFalse Negative
- BFalse Positive
- CTrue Negative
- DTrue Positive
68The intrusion detection system at a software development company suddenly generates
multiple alerts regarding attacks against the company's external webserver, VPN concentrator, and
DNS servers. What should the security team do to determine which alerts to check first?- AInvestigate based on the maintenance schedule of the affected systems.
- BInvestigate based on the service level agreements of the systems.
- CInvestigate based on the potential effect of the incident.
- DInvestigate based on the order that the alerts arrived in.
69What type of OS fingerprinting technique sends specially crafted packets to the remote OS
and analyzes the received response?- APassive
- BReflective
- CActive
- DDistributive
70During a penetration test, a tester finds a target that is running MS SQL 2000 with default
credentials. The tester assumes that the service is running with Local System account. How can this
weakness be exploited to access the system?- AUsing the Metasploit psexec module setting the SA / Admin credential
- BInvoking the stored procedure xp_shell to spawn a Windows command shell
- CInvoking the stored procedure cmd_shell to spawn a Windows command shell
- DInvoking the stored procedure xp_cmdshell to spawn a Windows command shell
71What is the primary drawback to using advanced encryption standard (AES) algorithm with a
256 bit key to share sensitive data?- ADue to the key size, the time it will take to encrypt and decrypt the message hinders efficient communication.
- BTo get messaging programs to function with this algorithm requires complex configurations.
- CIt has been proven to be a weak cipher; therefore, should not be trusted to protect sensitive data.
- DIt is a symmetric key algorithm, meaning each recipient must receive the key through a different channel than the message.
72Nathan is testing some of his network devices. Nathan is using Macof to try and flood the ARP cache of these switches.
If these switches' ARP cache is successfully flooded, what will be the result?- AThe switches will drop into hub mode if the ARP cache is successfully flooded.
- BIf the ARP cache is flooded, the switches will drop into pix mode making it less susceptible to attacks.
- CDepending on the switch manufacturer, the device will either delete every entry in its ARP cache or reroute packets to the nearest switch.
- DThe switches will route all traffic to the broadcast address created collisions.
73This is an attack that takes advantage of a web site vulnerability in which the site displays
content that includes un-sanitized user-provided data.
What is this attack?
- ACross-site-scripting attack
- BSQL Injection
- CURL Traversal attack
- DBuffer Overflow attack
74When setting up a wireless network, an administrator enters a pre-shared key for security.
Which of the following is true?- AThe key entered is a symmetric key used to encrypt the wireless data.
- BThe key entered is a hash that is used to prove the integrity of the wireless data.
- CThe key entered is based on the Diffie-Hellman method.
- DThe key is an RSA key used to encrypt the wireless data.
75For messages sent through an insecure channel, a properly implemented digital signature gives the receiver reason to believe the message was sent by the claimed sender. While using a digital signature, the message digest is encrypted with which key?
- ASender's public key
- BReceiver's private key
- CReceiver's public key
- DSender's private key
76One advantage of an application-level firewall is the ability to
- Afilter packets at the network level.
- Bfilter specific commands, such as http:post.
- Cretain state information for each packet.
- Dmonitor tcp handshaking.
77Jesse receives an email with an attachment labeled "Court_Notice_21206.zip". Inside the zip file is a file named "Court_Notice_21206.docx.exe" disguised as a word document. Upon execution, a window appears stating, "This word document is corrupt." In the background, the file copies itself to Jesse APPDATA\local directory and begins to beacon to a C2 server to download additional malicious binaries.
What type of malware has Jesse encountered?- ATrojan
- BWorm
- CMacro Virus
- DKey-Logger
78Rebecca commonly sees an error on her Windows system that states that a Data Execution Prevention (DEP) error has taken place. Which of the following is most likely taking place?
- AA race condition is being exploited, and the operating system is containing the malicious process.
- BA page fault is occurring, which forces the operating system to write data from the hard drive.
- CMalware is executing in either ROM or a cache memory area.
- DMalicious code is attempting to execute instruction in a non-executable memory region.
79Insecure direct object reference is a type of vulnerability where the application does not verify if the user is authorized to access the internal object via its name or key. Suppose a malicious user Rob tries to get access to the account of a benign user Ned.
Which of the following requests best illustrates an attempt to exploit an insecure direct object reference vulnerability?- A"GET/restricted/goldtransfer?to=Rob&from=1 or 1=1' HTTP/1.1Host: westbank.com"
- B"GET/restricted/accounts/?name=Ned HTTP/1.1 Host: westbank.com"
- C"GET/restricted/bank.getaccount('Ned') HTTP/1.1 Host: westbank.com"
- D"GET/restricted/\r\n\%00account%00Ned%00access HTTP/1.1 Host: westbank.com"
80Based on the below log, which of the following sentences are true?
Mar 1, 2016, 7:33:28 AM 10.240.250.23 - 54373 10.249.253.15 - 22 tcp_ip- ASSH communications are encrypted it's impossible to know who is the client or the server
- BApplication is FTP and 10.240.250.23 is the client and 10.249.253.15 is the server
- CApplication is SSH and 10.240.250.23 is the client and 10.249.253.15 is the server
- DApplication is SSH and 10.240.250.23 is the server and 10.249.253.15 is the server
81Which of the statements concerning proxy firewalls is correct?
- AProxy firewalls increase the speed and functionality of a network.
- BFirewall proxy servers decentralize all activity for an application.
- CProxy firewalls block network packets from passing to and from a protected network.
- DComputers establish a connection with a proxy firewall which initiates a new network connection for the client.
82A new wireless client is configured to join a 802.11 network. This client uses the same
hardware and software as many of the other clients on the network. The client can see the network,
but cannot connect. A wireless packet sniffer shows that the Wireless Access Point (WAP) is not
responding to the association requests being sent by the wireless client.
What is a possible source of this problem?- AThe WAP does not recognize the client's MAC address
- BThe client cannot see the SSID of the wireless network
- CClient is configured for the wrong channel
- DThe wireless client is not configured to use DHCP
83Which method of password cracking takes the most time and effort?
- ABrute force
- BRainbow tables
- CDictionary attack
- DShoulder surfing
84How can rainbow tables be defeated?
- APassword salting
- BUse of non-dictionary words
- CAll uppercase character passwords
- DLockout accounts under brute force password cracking attempts
85When creating a security program, which approach would be used if senior management is
supporting and enforcing the security policy?- AA bottom-up approach
- BA top-down approach
- CA senior creation approach
- DAn IT assurance approach
86The "white box testing" methodology enforces what kind of restriction?
- AThe internal operation of a system is completely known to the tester.
- BOnly the external operation of a system is accessible to the tester.
- COnly the internal operation of a system is known to the tester.
- DThe internal operation of a system is only partly accessible to the tester.
87You are attempting to crack LM Manager hashed from Windows 2000 SAM file. You will be using LM Brute force hacking tool for decryption. What encryption algorithm will you be decrypting?
- AMD4
- BDES
- CSHA
- DSSL
88Which of the following business challenges could be solved by using a vulnerability scanner?
- AAuditors want to discover if all systems are following a standard naming convention.
- BA web server was compromised and management needs to know if any further systems were compromised.
- CThere is an emergency need to remove administrator access from multiple machines for an employee that quit.
- DThere is a monthly requirement to test corporate compliance with host application usage and security policies.
89What is the main advantage that a network-based IDS/IPS system has over a host-based solution?
- AThey do not use host system resources.
- BThey are placed at the boundary, allowing them to inspect all traffic.
- CThey are easier to install and configure.
- DThey will not interfere with user interfaces.
90An attacker sniffs encrypted traffic from the network and is subsequently able to decrypt it. The attacker can now use which cryptanalytic technique to attempt to discover the encryption key?
- ABirthday attack
- BPlaintext attack
- CMeet in the middle attack
- DChosen ciphertext attack
91One of the Forbes 500 companies has been subjected to a large scale attack. You are one of the shortlisted pen testers that they may hire. During the interview with the CIO, he emphasized that he wants to totally eliminate all risks. What is one of the first things you should do when hired?
- AInterview all employees in the company to rule out possible insider threats.
- BEstablish attribution to suspected attackers.
- CExplain to the CIO that you cannot eliminate all risk, but you will be able to reduce risk to
acceptable levels. - DStart the Wireshark application to start sniffing network traffic.
92Which of the following types of firewall inspects only header information in network traffic?
- APacket filter
- BStateful inspection
- CCircuit-level gateway
- DApplication-level gateway
93In which of the following password protection technique, random strings of characters are
added to the password before calculating their hashes?- AKeyed Hashing
- BKey Stretching
- CSalting
- DDouble Hashing
94Analyst is investigating proxy logs and found out that one of the internal user visited website storing suspicious Java scripts. After opening one of them, he noticed that it is very hard to understand the code and that all codes differ from the typical Java script. What is the name of this technique to hide the code and extend analysis time?
- AEncryption
- BCode encoding
- CObfuscation
- DSteganography
95You've just gained root access to a Centos 6 server after days of trying. What tool should you use to maintain access?
- ADisable Key Services
- BCreate User Account
- CDownload and Install Netcat
- DDisable IPTables
96E-mail scams and mail fraud are regulated by which of the following?
- A18 U.S.C. par. 1030 Fraud and Related activity in connection with Computers
- B18 U.S.C. par. 1029 Fraud and Related activity in connection with Access Devices
- C18 U.S.C. par. 1362 Communication Lines, Stations, or Systems
- D18 U.S.C. par. 2510 Wire and Electronic Communications Interception and Interception of Oral Communication
97The chance of a hard drive failure is known to be once every four years. The cost of a new hard drive is $500.
EF (Exposure Factor) is about 0.5. Calculate for the Annualized Loss Expectancy (ALE).- A$62.5
- B$250
- C$125
- D$65.2
98A user on your Windows 2000 network has discovered that he can use L0phtcrack to sniff the SMB exchanges which carry user logons. The user is plugged into a hub with 23 other systems. However, he is unable to capture any logons though he knows that other users are logging in. What do you think is the most likely reason behind this?
- AThere is a NIDS present on that segment.
- BKerberos is preventing it.
- CWindows logons cannot be sniffed.
- DL0phtcrack only sniffs logons to web servers.
99In the software security development life cycle process, threat modeling occurs in which phase?
- ADesign
- BRequirements
- CVerification
- DImplementation
100Your team has won a contract to infiltrate an organization. The company wants to have the attack be as realistic as possible; therefore, they did not provide any information besides the company name.
What should be the first step in security testing the client?- AReconnaissance
- BEnumeration
- CScanning
- DEscalation
101Eve is spending her day scanning the library computers. She notices that Alice is using a computer whose port
445 is active and listening. Eve uses the ENUM tool to enumerate Alice machine. From the command prompt, she types the following command.
What is Eve trying to do?
- AEve is trying to connect as a user with Administrator privileges
- BEve is trying to enumerate all users with Administrative privileges
- CEve is trying to carry out a password crack for user Administrator
- DEve is trying to escalate privilege of the null user to that of Administrator
102You are the Systems Administrator for a large corporate organization. You need to monitor all network traffic on your local network for suspicious activities and receive notifications when an attack is occurring. Which tool would allow you to accomplish this goal?
- ANetwork-based IDS
- BFirewall
- CProxy
- DHost-based IDS
103An attacker uses a communication channel within an operating system that is neither designed nor intended to transfer information. What is the name of the communications channel?
- AClassified
- BOvert
- CEncrypted
- DCovert
104What does the -oX flag do in an Nmap scan?
- APerform an express scan
- BOutput the results in truncated format to the screen
- CPerform an Xmas scan
- DOutput the results in XML format to a file
105In many states sending spam is illegal. Thus, the spammers have techniques to try and ensure that no one knows they sent the spam out to thousands of users at a time. Which of the following best describes what spammers use to hide the origin of these types of e-mails?
- AA blacklist of companies that have their mail server relays configured to allow traffic only to their specific domain name.
- BMail relaying, which is a technique of bouncing e-mail from internal to external mails servers continuously.
- CA blacklist of companies that have their mail server relays configured to be wide open.
- DTools that will reconfigure a mail server's relay component to send the e-mail back to the
spammers occasionally.
106What is correct about digital signatures?
- AA digital signature cannot be moved from one signed document to another because it is the hash of the original document encrypted with the private key of the signing party.
- BDigital signatures may be used in different documents of the same type.
- CA digital signature cannot be moved from one signed document to another because it is a plain hash of the document content.
- DDigital signatures are issued once for each user and can be used everywhere until they expire.
107Null sessions are un-authenticated connections (not using a username or password.) to an NT or 2000 system.
Which TCP and UDP ports must you filter to check null sessions on your network?- A137 and 139
- B137 and 443
- C139 and 443
- D139 and 445
108Backing up data is a security must. However, it also has certain level of risks when mishandled. Which of the following is the greatest threat posed by backups?
- AA backup is the source of Malware or illicit information
- BA backup is incomplete because no verification was performed
- CA backup is unavailable during disaster recovery
- DAn unencrypted backup can be misplaced or stolen
109What is the best description of SQL Injection?
- AIt is an attack used to gain unauthorized access to a database.
- BIt is an attack used to modify code in an application.
- CIt is a Man-in-the-Middle attack between your SQL Server and Web App Server.
- DIt is a Denial of Service Attack.
110A company has five different subnets: 192.168.1.0, 192.168.2.0, 192.168.3.0, 192.168.4.0 and 192.168.5.0. How can NMAP be used to scan these adjacent Class C networks?
- ANMAP -P 192.168.1-5.
- BNMAP -P 192.168.0.0/16
- CNMAP -P 192.168.1.0,2.0,3.0,4.0,5.0
- DNMAP -P 192.168.1/17
111Which of the following will perform an Xmas scan using NMAP?
- Anmap -sA 192.168.1.254
- Bnmap -sP 192.168.1.254
- Cnmap -sX 192.168.1.254
- Dnmap -sV 192.168.1.254
112_________ is a set of extensions to DNS that provide to DNS clients (resolvers) origin authentication of DNS data to reduce the threat of DNS poisoning, spoofing, and similar attacks types.
- ADNSSEC
- BZone transfer
- CResource transfer
- DResource records
113Which definition among those given below best describes a covert channel?
- AA server program using a port that is not well known.
- BMaking use of a protocol in a way it is not intended to be used.
- CIt is the multiplexing taking place on a communication link.
- DIt is one of the weak channels used by WEP which makes it insecure
114Which of the following is a restriction being enforced in "white box testing?"
- AOnly the internal operation of a system is known to the tester
- BThe internal operation of a system is completely known to the tester
- CThe internal operation of a system is only partly accessible to the tester
- DOnly the external operation of a system is accessible to the tester
115An unauthorized individual enters a building following an employee through the employee entrance after the lunch rush. What type of breach has the individual just performed?
- AReverse Social Engineering
- BTailgating
- CPiggybacking
- DAnnounced
116A company has hired a security administrator to maintain and administer Linux and Windows-based systems.
Written in the nightly report file is the following:
Firewall log files are at the expected value of 4 MB. The current time is 12am. Exactly two hours later the size has decreased considerably. Another hour goes by and the log files have shrunk in size again.
Which of the following actions should the security administrator take?- ALog the event as suspicious activity and report this behavior to the incident response team immediately.
- BLog the event as suspicious activity, call a manager, and report this as soon as possible.
- CRun an anti-virus scan because it is likely the system is infected by malware.
- DLog the event as suspicious activity, continue to investigate, and act according to the site's security policy.
117Which of the following identifies the three modes in which Snort can be configured to run?
- ASniffer, Packet Logger, and Network Intrusion Detection System
- BSniffer, Network Intrusion Detection System, and Host Intrusion Detection System
- CSniffer, Host Intrusion Prevention System, and Network Intrusion Prevention System
- DSniffer, Packet Logger, and Host Intrusion Prevention System
118Which of the following statements about a zone transfer is correct? (Choose three.)
- AA zone transfer is accomplished with the DNS
- BA zone transfer is accomplished with the nslookup service
- CA zone transfer passes all zone information that a DNS server maintains
- DA zone transfer passes all zone information that a nslookup server maintains
- EA zone transfer can be prevented by blocking all inbound TCP port 53 connections
- FZone transfers cannot occur on the Internet
119A well-intentioned researcher discovers a vulnerability on the web site of a major corporation. What should he do?
- AIgnore it.
- BTry to sell the information to a well-paying party on the dark web.
- CNotify the web site owner so that corrective action be taken as soon as possible to patch the vulnerability.
- DExploit the vulnerability without harming the web site owner so that attention be drawn to the problem.
120You are an Ethical Hacker who is auditing the ABC company. When you verify the NOC one of the machines has 2 connections, one wired and the other wireless. When you verify the configuration of this Windows system you find two static routes.
route add 10.0.0.0 mask 255.0.0.0 10.0.0.1
route add 0.0.0.0 mask 255.0.0.0 199.168.0.1
What is the main purpose of those static routes?- ABoth static routes indicate that the traffic is external with different gateway.
- BThe first static route indicates that the internal traffic will use an external gateway and the second static route indicates that the traffic will be rerouted.
- CBoth static routes indicate that the traffic is internal with different gateway.
- DThe first static route indicates that the internal addresses are using the internal gateway and the second static route indicates that all the traffic that is not internal must go to an external gateway.
121Which of the following statements regarding ethical hacking is incorrect?
- AEthical hackers should never use tools or methods that have the potential of exploiting
vulnerabilities in an organization's systems. - BTesting should be remotely performed offsite.
- CAn organization should use ethical hackers who do not sell vendor hardware/software or other consulting services.
- DEthical hacking should not involve writing to or modifying the target systems.
- AEthical hackers should never use tools or methods that have the potential of exploiting
122Low humidity in a data center can cause which of the following problems?
- AHeat
- BCorrosion
- CStatic electricity
- DAirborne contamination
123Seth is starting a penetration test from inside the network. He hasn't been given any information about the network. What type of test is he conducting?
- AInternal Whitebox
- BExternal, Whitebox
- CInternal, Blackbox
- DExternal, Blackbox
124Which type of scan measures a person's external features through a digital video camera?
- AIris scan
- BRetinal scan
- CFacial recognition scan
- DSignature kinetics scan
125A security policy will be more accepted by employees if it is consistent and has the support of
- Acoworkers.
- Bexecutive management.
- Cthe security officer.
- Da supervisor.
126This international organization regulates billions of transactions daily and provides security guidelines to protect personally identifiable information (PII). These security controls provide a baseline and prevent low-level hackers sometimes known as script kiddies from causing a data breach.
Which of the following organizations is being described?- APayment Card Industry (PCI)
- BCenter for Disease Control (CDC)
- CInstitute of Electrical and Electronics Engineers (IEEE)
- DInternational Security Industry Organization (ISIO)
127When purchasing a biometric system, one of the considerations that should be reviewed is the processing speed. Which of the following best describes what it is meant by processing?
- AThe amount of time it takes to convert biometric data into a template on a smart card.
- BThe amount of time and resources that are necessary to maintain a biometric system.
- CThe amount of time it takes to be either accepted or rejected form when an individual provides Identification and authentication information.
- DHow long it takes to setup individual user accounts.
128While performing online banking using a Web browser, a user receives an email that contains a link to an interesting Web site. When the user clicks on the link, another Web browser session starts and displays a video of cats playing a piano. The next business day, the user receives what looks like an email from his bank, indicating that his bank account has been accessed from a foreign country. The email asks the user to call his bank and verify the authorization of a funds transfer that took place.
What Web browser-based security vulnerability was exploited to compromise the user?- ACross-Site Request Forgery
- BCross-Site Scripting
- CClickjacking
- DWeb form input validation
129A big company, who wanted to test their security infrastructure, wants to hire elite pen testers like you. During the interview, they asked you to show sample reports from previous penetration tests. What should you do?
- AShare reports, after NDA is signed
- BShare full reports, not redacted
- CDecline but, provide references
- DShare full reports with redactions
130Eve stole a file named secret.txt, transferred it to her computer and she just entered these
commands:
What is she trying to achieve?
- AShe is encrypting the file.
- BShe is using John the Ripper to view the contents of the file.
- CShe is using ftp to transfer the file to another hacker named John.
- DShe is using John the Ripper to crack the passwords in the secret.txt file.
131Let's imagine three companies (A, B and C), all competing in a challenging global environment. Company A and B are working together in developing a product that will generate a major competitive advantage for them.
Company A has a secure DNS server while company B has a DNS server vulnerable to spoofing. With a spoofing attack on the DNS server of company B, company C gains access to outgoing e-mails from company
How do you prevent DNS spoofing?- AInstall DNS logger and track vulnerable packets
- BDisable DNS timeouts
- CInstall DNS Anti-spoofing
- DDisable DNS Zone Transfer
132Which of the following is considered an exploit framework and has the ability to perform automated attacks on services, ports, applications and unpatched security flaws in a computer system?
- AWireshark
- BMaltego
- CMetasploit
- DNessus
133Which of the following viruses tries to hide from anti-virus programs by actively altering and corrupting the chosen service call interruptions when they are being run?
- ACavity virus
- BPolymorphic virus
- CTunneling virus
- DStealth virus
134There are several ways to gain insight on how a cryptosystem works with the goal of reverse engineering the process. A term describes when two pieces of data result in the same value is?
- ACollision
- BCollusion
- CPolymorphism
- DEscrow
135The network in ABC company is using the network address 192.168.1.64 with mask 255.255.255.192. In the network the servers are in the addresses 192.168.1.122, 192.168.1.123 and 192.168.1.124.
An attacker is trying to find those servers but he cannot see them in his scanning. The command he is
using is:
nmap 192.168.1.64/28.
Why he cannot see the servers?- AThe network must be down and the nmap command and IP address are ok.
- BHe needs to add the command ''''ip address'''' just before the IP address.
- CHe is scanning from 192.168.1.64 to 192.168.1.78 because of the mask /28 and the servers are not in that range.
- DHe needs to change the address to 192.168.1.0 with the same mask.
136When using Wireshark to acquire packet capture on a network, which device would enable the capture of all traffic on the wire?
- ANetwork tap
- BLayer 3 switch
- CNetwork bridge
- DApplication firewall
137An attacker gains access to a Web server's database and displays the contents of the table that holds all of the names, passwords, and other user information. The attacker did this by entering information into the Web site's user login page that the software's designers did not expect to be entered. This is an example of what kind of software design problem?
- AInsufficient input validation
- BInsufficient exception handling
- CInsufficient database hardening
- DInsufficient security management
138What type of malware is it that restricts access to a computer system that it infects and demands that the user pay a certain amount of money, cryptocurrency, etc. to the operators of the malware to remove the restriction?
- ARansomware
- BRiskware
- CAdware
- DSpyware
139Scenario:
What is the name of the attack which is mentioned in the scenario?- AHTTP Parameter Pollution
- BHTML Injection
- CSession Fixation
- DClickJacking Attack
140You are a Penetration Tester and are assigned to scan a server. You need to use a scanning technique wherein the TCP Header is split into many packets so that it becomes difficult to detect what the packets are meant for.
Which of the below scanning technique will you use?- AACK flag scanning
- BTCP Scanning
- CIP Fragment Scanning
- DInverse TCP flag scanning
141You've just discovered a server that is currently active within the same network with the machine you recently compromised. You ping it but it did not respond. What could be the case?
- ATCP/IP doesn't support ICMP
- BARP is disabled on the target server
- CICMP could be disabled on the target server
- DYou need to run the ping command with root privileges
142How can a rootkit bypass Windows 7 operating system's kernel mode, code signing policy?
- ADefeating the scanner from detecting any code change at the kernel
- BReplacing patch system calls with its own version that hides the rootkit (attacker's) actions
- CPerforming common services for the application process and replacing real applications with fake ones
- DAttaching itself to the master boot record in a hard drive and changing the machine's boot
sequence/options
143An incident investigator asks to receive a copy of the event logs from all firewalls, proxy servers, and Intrusion Detection Systems (IDS) on the network of an organization that has experienced a possible breach of security. When the investigator attempts to correlate the information in all of the logs, the sequence of many of the logged events do not match up.
What is the most likely cause?- AThe network devices are not all synchronized.
- BProper chain of custody was not observed while collecting the logs.
- CThe attacker altered or erased events from the logs.
- DThe security breach was a false positive.
144John the Ripper is a technical assessment tool used to test the weakness of which of the following?
- AUsernames
- BFile permissions
- CFirewall rulesets
- DPasswords
145You are using NMAP to resolve domain names into IP addresses for a ping sweep later. Which of the following commands looks for IP addresses?
- A>host -t a hackeddomain.com
- B>host -t soa hackeddomain.com
- C>host -t ns hackeddomain.com
- D>host -t AXFR hackeddomain.com
146A penetration tester is hired to do a risk assessment of a company's DMZ. The rules of engagement states that the penetration test be done from an external IP address with no prior knowledge of the internal IT systems.
What kind of test is being performed?- Awhite box
- Bgrey box
- Cred box
- Dblack box
147Which of the following is a strong post designed to stop a car?
- AGate
- BFence
- CBollard
- DReinforced rebar
148Which of the following describes a component of Public Key Infrastructure (PKI) where a copy of a private key is stored to provide third-party access and to facilitate recovery operations?
- AKey registry
- BRecovery agent
- CDirectory
- DKey escrow
149A hacker named Jack is trying to compromise a bank's computer system. He needs to know the operating system of that computer to launch further attacks. What process would help him?
- ABanner Grabbing
- BIDLE/IPID Scanning
- CSSDP Scanning
- DUDP Scanning
150Which of the following network attacks takes advantage of weaknesses in the fragment reassembly functionality of the TCP/IP protocol stack?
- ATeardrop
- BSYN flood
- CSmurf attack
- DPing of death
151What are the three types of compliance that the Open Source Security Testing Methodology
Manual (OSSTMM) recognizes?- ALegal, performance, audit
- BAudit, standards based, regulatory
- CContractual, regulatory, industry
- DLegislative, contractual, standards based
152In which of the following cryptography attack methods, the attacker makes a series of interactive queries, choosing subsequent plaintexts based on the information from the previous encryptions?
- AChosen-plaintext attack
- BCiphertext-only attack
- CAdaptive chosen-plaintext attack
- DKnown-plaintext attack
153Which of the following DoS tools is used to attack target web applications by starvation of available sessions on the web server?
The tool keeps sessions at halt using never-ending POST transmissions and sending an arbitrarily large content-length header value.- AMy Doom
- BAstacheldraht
- CR-U-Dead-Yet?(RUDY)
- DLOIC
154You are trying to break into a highly classified top-secret mainframe computer with highest security system in place at Merclyn Barley Bank located in Los Angeles.
You know that conventional hacking doesn't work in this case, because organizations such as banks are generally tight and secure when it comes to protecting their systems. In other words, you are trying to penetrate an otherwise impenetrable system.
How would you proceed?- ALook for "zero-day" exploits at various underground hacker websites in Russia and China and buy the necessary exploits from these hackers and target the bank's network
- BTry to hang around the local pubs or restaurants near the bank, get talking to a poorly-paid or disgruntled employee, and offer them money if they'll abuse their access privileges by providing you with sensitive information
- CLaunch DDOS attacks against Merclyn Barley Bank's routers and firewall systems using 100, 000 ormore "zombies" and "bots"
- DTry to conduct Man-in-the-Middle (MiTM) attack and divert the network traffic going to the Merclyn Barley Bank's Webserver to that of your machine using DNS Cache Poisoning techniques
155What is the algorithm used by LM for Windows2000 SAM?
- AMD4
- BDES
- CSHA
- DSSL
156A Certificate Authority (CA) generates a key pair that will be used for encryption and decryption of email. The integrity of the encrypted email is dependent on the security of which of the following?
- APublic key
- BPrivate key
- CModulus length
- DEmail server certificate
157Which command lets a tester enumerate alive systems in a class C network via ICMP using native Windows tools?
- Aping 192.168.2.
- Bping 192.168.2.255
- Cfor %V in (1 1 255) do PING 192.168.2.%V
- Dfor /L %V in (1 1 254) do PING -n 1 192.168.2.%V | FIND /I "Reply"
158How do employers protect assets with security policies pertaining to employee surveillance activities?
- AEmployers promote monitoring activities of employees as long as the employees demonstrate trustworthiness.
- BEmployers use informal verbal communication channels to explain employee monitoring activities to employees.
- CEmployers use network surveillance to monitor employee email traffic, network access, and to record employee keystrokes.
- DEmployers provide employees written statements that clearly discuss the boundaries of
monitoring activities and consequences.
159Which type of Nmap scan is the most reliable, but also the most visible, and likely to be picked up by and IDS?
- ASYN scan
- BACK scan
- CRST scan
- DConnect scan
- EFIN scan
160> NMAP -sn 192.168.11.200-215
The NMAP command above performs which of the following?- AA ping scan
- BA trace sweep
- CAn operating system detect
- DA port scan
161If the final set of security controls does not eliminate all risk in a system, what could be done next?
- AContinue to apply controls until there is zero risk.
- BIgnore any remaining risk.
- CIf the residual risk is low enough, it can be accepted.
- DRemove current controls since they are not completely effective.
162(Note: the student is being tested on concepts learnt during passive OS fingerprinting, basic TCP/IP connection concepts and the ability to read packet signatures from a sniff dump.). Snort has been used to capture packets on the network. On studying the packets, the penetration tester finds it to be abnormal. If you were the penetration tester, why would you find this abnormal?
What is odd about this attack? Choose the best answer.
- AThis is not a spoofed packet as the IP stack has increasing numbers for the three flags.
- BThis is back orifice activity as the scan comes from port 31337.
- CThe attacker wants to avoid creating a sub-carries connection that is not normally valid.
- DThese packets were crafted by a tool, they were not created by a standard IP stack.
163DNS cache snooping is a process of determining if the specified resource address is present in the DNS cache records. It may be useful during the examination of the network to determine what software update resources are used, thus discovering what software is installed.
What command is used to determine if the entry is present in DNS cache?- Anslookup -fullrecursive update.antivirus.com
- Bdnsnooping -rt update.antivirus.com
- Cnslookup -norecursive update.antivirus.com
- Ddns --snoop update.antivirus.com
164It has been reported to you that someone has caused an information spillage on their computer. You go to the computer, disconnect it from the network, remove the keyboard and mouse, and power it down. What step in incident handling did you just complete?
- AContainment
- BEradication
- CRecovery
- DDiscovery
165Which of the following tools is used by pen testers and analysts specifically to analyze links between data using link analysis and graphs?
- AMetasploit
- BWireshark
- CMaltego
- DCain & Abel
166You have gained physical access to a Windows 2008 R2 server which has an accessible disc drive. When you attempt to boot the server and log in, you are unable to guess the password. In your toolkit, you have an Ubuntu 9.10 Linux LiveCD.
Which Linux-based tool can change any user's password or activate disabled Windows accounts?- AJohn the Ripper
- BSET
- CCHNTPW
- DCain & Abel
167Bob, your senior colleague, has sent you a mail regarding aa deal with one of the clients. You are requested to accept the offer and you oblige. After 2 days, Bob denies that he had ever sent a mail.
What do you want to "know" to prove yourself that it was Bob who had send a mail?- AConfidentiality
- BIntegrity
- CNon-Repudiation
- DAuthentication
168When does the Payment Card Industry Data Security Standard (PCI-DSS) require organizations to perform external and internal penetration testing?
- AAt least twice a year or after any significant upgrade or modification
- BAt least once a year and after any significant upgrade or modification
- CAt least once every two years and after any significant upgrade or modification
- DAt least once every three years or after any significant upgrade or modification
169You have successfully comprised a server having an IP address of 10.10.0.5. You would like
to enumerate all machines in the same network quickly.
What is the best nmap command you will use?- Anmap -T4 -q 10.10.0.0/24
- Bnmap -T4 -F 10.10.0.0/24
- Cnmap -T4 -r 10.10.1.0/24
- Dnmap -T4 -O 10.10.0.0/24
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- CEH CEH Quiz on Preparatoria 4, created by David Martinez Lora on 01/11/2020.
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- David Martinez Lora
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