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COMPTIA Sec+ 501
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Questions in this quiz (155)
1A high-security defense installation recently began utilizing large guard dogs that bark very loudly and excitedly at the slightest provocation. Which of the following types of controls does this BEST describe?
- ADeterrent
- BPreventive
- CDetective
- DCompensating
2An incident responder receives a call from a user who reports a computer is exhibiting symptoms consistent with a malware infection. Which of the following steps should the responder perform NEXT?
- ACapture and document necessary information to assist in the response.
- BRequest the user capture and provide a screenshot or recording of the symptoms.
- CUse a remote desktop client to collect and analyze the malware m real time.
- DAsk the user to back up files for later recovery.
3Multiple organizations operating in the same vertical want to provide seamless wireless access for their employees as they visit the other organizations. Which of the following should be implemented if all the organizations use the native 802.1x client on their mobile devices?
- AShibboleth
- BRADIUS federation
- CSAML
- DOAuth
- EOpenlD connect
4An analyst wants to implement a more secure wifeless authentication for office access points. Which of the following technologies allows for encrypted authentication of wireless clients over TLS?
- APEAP
- BEAP
- CWPA2
- DRADIUS
5A security analyst is hardening an authentication server. One of the primary requirements is to ensure there is mutual authentication and delegation. Given these requirements, which of the following technologies should the analyst recommend and configure?
- ALDAP services
- BKerberos services
- CNTLM services
- DCHAP services
6An organization wishes to provide better security for its name resolution services. Which of the following technologies BEST supports the deployment DNSSEC at the organization?
- ALDAP
- BTPM
- CTLS
- DSSL
- EPW
7Ann, an employee in the payroll department, has contacted the help desk citing multiple issues with her device, including:
– Slow performance.
– Word documents, PDFs, and images no longer opening.
– A pop-up.
Ann states the issues began after she opened an invoice that a vendor emailed to her. Upon opening the invoice, she had to click several security warnings to view it in her word processor. With which of the following is the device MOST likely infected?- ASpyware
- BCrypto-malware
- CRootkit
- DBackdoor
8A department head at a university resigned on the first day of the spring semester. It was subsequently determined that the department head deleted numerous files and directories from the server-based home directory while the campus was closed. Which of the following policies or procedures co have prevented this from occurring?
- ABYOD
- BVDI
- CCOPE
- DCYOD
9A security administrator is developing controls for creating audit trails and tracking if a PHI data breach is to occur. The administrator has been given the following requirements:
– All access must be correlated to a user account.
– All user accounts must be assigned to a single individual.
– User access to the PHI data must be recorded.
– Anomalies in PHI data access must be reported.
– Logs and records cannot be deleted or modified.
Which of the following should the administrator implement to meet the above requirements? (Select THREE.)- AEliminate shared accounts.
- BCreate a standard naming convention for accounts.
- CImplement usage auditing and review.
- DEnable account lockout thresholds.
- ECopy logs in real time to a secured WORM drive.
- FImplement time-of-day restrictions.
- GPerform regular permission audits and reviews.
10Which of the following can be provided to an AAA system for the identification phase?
- AUsername
- BPermissions
- COne-time token
- DPrivate certificate
11A company is using a mobile device deployment model in which employees use their personal devices for work at their own discretion. Some of the problems the company is encountering include the following:
– There is no standardization.
– Employees ask for reimbursement for their devices.
– Employees do not replace their devices often enough to keep them running efficiently.
– The company does not have enough control over the devices.
Which of the following is a deployment model that would help the company overcome these problems?- ABYOD
- BVDI
- CCOPE
- DCYOD
12Despite having implemented password policies, users continue to set the same weak passwords and reuse old passwords. Which of the following technical controls would help prevent these policy violations? (Select TWO.)
- APassword expiration
- BPassword length
- CPassword complexity
- DPassword history
- EPassword lockout
13A security analyst is reviewing the following output from an IPS:
Given this output, which of the following can be concluded? (Select TWO.)
- AThe source IP of the attack is coming from 250.19 18.22.
- BThe source IP of the attack is coming from 250 19.18.71.
- CThe attacker sent a malformed IGAP packet, triggering the alert.
- DThe attacker sent a malformed TCP packet, triggering the alert.
- EThe TTL value is outside of the expected range, triggering the alert.
14An organization finds that most help desk calls ate regarding account lockout due to a variety of applications running on different systems. Manager is looking for a solution to reduce the number of account lockouts while improving security. Which of the following is the BEST solution for this organization?
- ACreate multiple application accounts for each user.
- BProvide secure tokens.
- CImplement SSO.
- DUtilize role-based access control.
15Which of the following threat actors is MOST likely to steal a company’s proprietary information to gain a market edge and reduce time to market?
- ACompetitor
- BHacktivist
- CInsider
- DOrganized crime
16When trying to log onto a company’s new ticketing system, some employees receive the following message:
Access denied: too many concurrent sessions.
The ticketing system was recently installed on a small VM with only the recommended hardware specifications. Which of the following is the MOST likely cause for this error message?- ANetwork resources have been exceeded.
- BThe software is out of licenses.
- CThe VM does not have enough processing power.
- DThe firewall is misconfigured.
17A network administrator at a small office wants to simplify the configuration of mobile clients connecting to an encrypted wireless network. Which of the following should be implemented if the administrator does not want to provide the wireless password or certificate to the employees?
- AWPS
- B802.1x
- CWPA2-PSK
- DTKIP
18A company is developing a new secure technology and requires computers being used for development to be isolated. Which of the following should be implemented to provide the MOST secure environment?
- AA perimeter firewall and IDS
- BAn air gapped compiler network
- CA honeypot residing in a DMZ
- DAn ad hoc network with NAT
- EA bastion host
19Which of the following explains why vendors publish MD5 values when they provide software patches for their customers to download over the Internet?
- AThe recipient can verify integrity of the software patch.
- BThe recipient can verify the authenticity of the site used to download the patch.
- CThe recipient can request future updates to the software using the published MD5 value.
- DThe recipient can successfully activate the new software patch.
20Refer to the following code:
Which of the following vulnerabilities would occur if this is executed?
- APage exception
- BPointer dereference
- CNullPointerException
- DMissing null check
21A database backup schedule consists of weekly full backups performed on Saturday at 12:00 A.M. and daily differential backups also performed at 12:00 A.M. If the database is restored on Tuesday afternoon, which of the following is the number of individual backups that would need to be applied to complete the database recovery?
- A1
- B2
- C3
- D4
22 Which of the following technologies employ the use of SAML? (Select TWO.)
- ASingle sign-on
- BFederation
- CLDAP
- DSecure token
- ERADIUS
23An organization is using a tool to perform a source code review. Which of the following describes the case in which the tool incorrectly identifies the vulnerability?
- AElasticity
- BScalability
- CHigh availability
- DRedundancy
24A security analyst is diagnosing an incident in which a system was compromised from an external IP address. The socket identified on the firewall was traced to 207.46.130.66:66. Which of the following should the security analyst do to determine if the compromised system still has an active connection?
- Atracert
- Bnetstat
- Cping
- Dnslookup
25 Which of the following BEST describes an important security advantage yielded by implementing vendor diversity?
- ASustainability
- BHomogeneity
- CResiliency
- DConfigurability
26 Which of the following encryption methods does PKI typically use to securely protect keys?
- AElliptic curve
- BDigital signatures
- CAsymmetric
- DObfuscation
27 Which of the following characteristics differentiate a rainbow table attack from a brute force attack? (Select TWO.)
- ARainbow table attacks greatly reduce compute cycles at attack time.
- BRainbow tables must include precompiled hashes.
- CRainbow table attacks do not require access to hashed passwords.
- DRainbow table attacks must be performed on the network.
- ERainbow table attacks bypass maximum failed login restrictions.
28Which of the following BEST describes a routine in which semicolons, dashes, quotes, and commas are removed from a string?
- AError handling to protect against program exploitation.
- BException handling to protect against XSRF attacks.
- CInput validation to protect against SQL injection.
- DPadding to protect against string buffer overflows.
29Which of the following is an important step to take BEFORE moving any installation packages from a test environment to production?
- ARoll back changes in the test environment.
- BVerify the hashes of files.
- CArchive and compress the files.
- DUpdate the secure baseline.
30Which of the following cryptographic attacks would salting of passwords render ineffective?
- ABrute force
- BDictionary
- CRainbow tables
- DBirthday
31A network administrator wants to implement a method of securing internal routing. Which of the following should the administrator implement?
- ADMZ
- BNAT
- CVPN
- DPAT
32 Which of the following types of keys is found in a key escrow?
- APublic
- BPrivate
- CShared
- DSession
33A senior incident response manager receives a call about some external IPs communicating with internal computers during off hours. Which of the following types of malware is MOST likely causing this issue?
- ABotnet
- BRansomware
- CPolymorphic malware
- DArmored virus
34A company is currently using the following configuration:
– IAS server with certificate-based EAP-PEAP and MSCHAP.
– Unencrypted authentication via PAP.
A security administrator needs to configure a new wireless setup with the following configurations:
– PAP authentication method.
– PEAP and EAP provide two-factor authentication.
Which of the following forms of authentication are being used? (Select TWO.)- APAP
- BPEAP
- CMSCHAP
- DPEAP-MSCHAP
- EEAP
- FEAP-PEAP
35A security administrator is trying to encrypt communication. For which of the following reasons should administrator take advantage of the Subject Alternative Name (SAM) attribute of a certificate?
- AIt can protect multiple domains.
- BIt provides extended site validation.
- CIt does not require a trusted certificate authority.
- DIt protects unlimited subdomains.
36After a merger between two companies a security analyst has been asked to ensure that the organization’s systems are secured against infiltration by any former employees that were terminated during the transition. Which of the following actions are MOST appropriate to harden applications against infiltration by former employees? (Select TWO.)
- AMonitor VPN client access
- BReduce failed login out settings
- CDevelop and implement updated access control policies
- DReview and address invalid login attempts
- EIncrease password complexity requirements
- FAssess and eliminate inactive accounts
37A new mobile application is being developed in-house. Security reviews did not pick up any major flaws, however vulnerability scanning results show fundamental issues at the very end of the project cycle. Which of the following security activities should also have been performed to discover vulnerabilities earlier in the lifecycle?
- AArchitecture review
- BRisk assessment
- CProtocol analysis
- DCode review
38A security administrator is creating a subnet on one of the corporate firewall interfaces to use as a DMZ which is expected to accommodate at most 14 physical hosts. Which of the following subnets would BEST meet the requirements?
- A192.168.0.16
255.25.255.248 - B192.168.0.16/28
- C192.168.1.50
255.255.25.240 - D192.168.2.32/27
- A192.168.0.16
39A company has a security policy that specifies all endpoint computing devices should be assigned a unique identifier that can be tracked via an inventory management system. Recent changes to airline security regulations have cause many executives in the company to travel with mini tablet devices instead of laptops. These tablet devices are difficult to tag and track. An RDP application is used from the tablet to connect into the company network. Which of the following should be implemented in order to meet the security policy requirements?
- AVirtual desktop infrastructure (IDI)
- BWS-security and geo-fencing
- CA hardware security module (HSM)
- DRFID tagging system
- EMDM software
- FSecurity Requirements Traceability Matrix (SRTM)
40The security administrator receives an email on a non-company account from a coworker stating that some reports are not exporting correctly. Attached to the email was an example report file with several customers’ names and credit card numbers with the PIN. Which of the following is the BEST technical controls that will help mitigate this risk of disclosing sensitive data?
- AConfigure the mail server to require TLS connections for every email to ensure all transport data is encrypted.
- BCreate a user training program to identify the correct use of email and perform regular audits to ensure compliance.
- CImplement a DLP solution on the email gateway to scan email and remove sensitive data or files.
- DClassify all data according to its sensitivity and inform the users of data that is prohibited to share.
41A technician is configuring a wireless guest network. After applying the most recent changes the technician finds the new devices can no longer find the wireless network by name but existing devices are still able to use the wireless network. Which of the following security measures did the technician MOST likely implement to cause this Scenario?
- ADeactivation of SSID broadcast
- BReduction of WAP signal output power
- CActivation of 802.1X with RADIUS
- DImplementation of MAC filtering
- EBeacon interval was decreased
42A security administrator has been assigned to review the security posture of the standard corporate system image for virtual machines. The security administrator conducts a thorough review of the system logs, installation procedures, and network configuration of the VM image. Upon reviewing the access logs and user accounts, the security administrator determines that several accounts will not be used in production. Which of the following would correct the deficiencies?
- AMandatory access controls
- BDisable remote login
- CHost hardening
- DDisabling services
43Although a web enabled application appears to only allow letters in the comment field of a web form, malicious user was able to carry a SQL injection attack by sending special characters through the web comment field. Which of the following has the application programmer failed to implement?
- ARevision control system
- BClient side exception handling
- CServer side validation
- DServer hardening
44An attacker discovers a new vulnerability in an enterprise application. The attacker takes advantage of the vulnerability by developing new malware. After installing the malware the attacker is provided with access to the infected machine. Which of the following is being described?
- AZero-day exploit
- BRemote code execution
- CSession hijacking
- DCommand injection
45A security administrator returning from a short vacation receives an account lock-out message when attempting to log into the computer. After getting the account unlocked the security administrator immediately notices a large amount of emails alerts pertaining to several different user accounts being locked out during the past three days. The security administrator uses system logs to determine that the lock-outs were due to a brute force attack on all accounts that has been previously logged into that machine. Which of the following can be implemented to reduce the likelihood of this attack going undetected?
- APassword complexity rules
- BContinuous monitoring
- CUser access reviews
- DAccount lockout policies
46A bank requires tellers to get manager approval when a customer wants to open a new account. A recent audit shows that there have been four cases in the previous year where tellers opened accounts without management approval. The bank president thought separation of duties would prevent this from happening. In order to implement a true separation of duties approach the bank could do what?
- ARequire the use of two different passwords held by two different individuals to open an account.
- BAdminister account creation on a role based access control approach.
- CRequire all new accounts to be handled by someone else other than a teller since they have different duties.
- DAdminister account creation on a rule based access control approach.
47A security administrator has been tasked with improving the overall security posture related to desktop machines on the network. An auditor has recently that several machines with confidential customer information displayed in the screens are left unattended during the course of the day. Which of the following could the security administrator implement to reduce the risk associated with the finding?
- AImplement a clean desk policy
- BSecurity training to prevent shoulder surfing
- CEnable group policy based screensaver timeouts
- DInstall privacy screens on monitors
48Company policy requires the use if passphrases instead if passwords. Which of the following technical controls MUST be in place in order to promote the use of passphrases?
- AReuse
- BLength
- CHistory
- DComplexity
49During a routine audit, it is discovered that someone has been using a stale administrator account to log into a seldom used server. The person has been using the server to view inappropriate websites that are prohibited to end users. Which of the following could best prevent this from occurring again?
- ACredential management
- BGroup policy management
- CAcceptable use policy
- DAccount expiration policy
50 Which of the following should identify critical systems and components?
- AMOU
- BBPA
- CITCP
- DBCP
51Which of the following works by implanting software on systems but delays execution until a specific set of conditions is met?
- ALogic bomb
- BTrojan
- CScareware
- DRansomware
52A web application is configured to target browsers and allow access to bank accounts to siphon money to a foreign account. This is an example of which of the following attacks?
- ASQL injection
- BHeader manipulation
- CCross-site scripting
- DFlash cookie exploitation
53Technicians working with servers hosted at the company’s datacenter are increasingly complaining of electric shocks when touching metal items which have been linked to hard drive failures. Which of the following should be implemented to correct this issue?
- ADecrease the room temperature
- BIncrease humidity in the room
- CUtilize better hot/cold aisle configurations
- DImplement EMI shielding
54A portable data storage device has been determined to have malicious firmware. Which of the following is the BEST course of action to ensure data confidentiality?
- AFormat the device
- BRe-image the device
- CPerform virus scan in the device
- DPhysically destroy the device
55A security administrator must implement a system to ensure that invalid certificates are not used by a custom developed application. The system must be able to check the validity of certificates even when internet access is unavailable. Which of the following MUST be implemented to support this requirement?
- ACSR
- BOCSP
- CCRL
- DSSH
56A technician has installed new vulnerability scanner software on a server that is joined to the company domain. The vulnerability scanner is able to provide visibility over the patch posture of all company’s clients. Which of the following is being used?
- AGray box vulnerability testing
- BPassive scan
- CCredentialed scan
- DBypassing security controls
57The Chief Security Officer (CSO) at a multinational banking corporation is reviewing a plan to upgrade the entire corporate IT infrastructure. The architecture consists of a centralized cloud environment hosting the majority of data, small server clusters at each corporate location to handle the majority of customer transaction processing, ATMs, and a new mobile banking application accessible from smartphones, tablets, and the Internet via HTTP. The corporation does business having varying data retention and privacy laws. Which of the following technical modifications to the architecture and corresponding security controls should be implemented to provide the MOST complete protection of data?
- ARevoke exiting root certificates, re-issue new customer certificates, and ensure all transactions are digitally signed to minimize fraud, implement encryption for data in-transit between data centers.
- BEnsure all data is encryption according to the most stringent regulatory guidance applicable, implement encryption for data in-transit between data centers, increase data availability by replicating all data, transaction data, logs between each corporate location.
- CStore customer data based on national borders, ensure end-to end encryption between ATMs, end users, and servers, test redundancy and COOP plans to ensure data is not inadvertently shifted from one legal jurisdiction to another with more stringent regulations.
- DInstall redundant servers to handle corporate customer processing, encrypt all customer data to ease the transfer from one country to another, implement end-to-end encryption between mobile applications and the cloud.
58While reviewing the monthly internet usage it is noted that there is a large spike in traffic classified as “unknown” and does not appear to be within the bounds of the organizations Acceptable Use Policy. Which of the following tool or technology would work BEST for obtaining more information on this traffic?
- AFirewall logs
- BIDS logs
- CIncreased spam filtering
- DProtocol analyzer
59A network administrator wants to ensure that users do not connect any unauthorized devices to the company network. Each desk needs to connect a VoIP phone and computer. Which of the following is the BEST way to accomplish this?
- AEnforce authentication for network devices.
- BConfigure the phones on one VLAN, and computers on another.
- CEnable and configure port channels.
- DMake users sign an Acceptable use Agreement.
60An administrator has concerns regarding the traveling sales team who works primarily from smart phones. Given the sensitive nature of their work, which of the following would BEST prevent access to the data in case of loss or theft?
- AEnable screensaver locks when the phones are not in use to prevent unauthorized access.
- BConfigure the smart phones so that the stored data can be destroyed from a centralized location.
- CConfigure the smart phones so that all data is saved to removable media and kept separate from the device.
- DEnable GPS tracking on all smart phones so that they can be quickly located and recovered.
61A user of the wireless network is unable to gain access to the network. The symptoms are:
– Unable to connect to both internal and Internet resources.
– The wireless icon shows connectivity but has no network access.
The wireless network is WPA2 Enterprise and users must be a member of the wireless security group to authenticate. Which of the following is the MOST likely cause of the connectivity issues?- AThe wireless signal is not strong enough.
- BA remote DDoS attack against the RADIUS server is taking place.
- CThe user’s laptop only supports WPA and WEP.
- DThe DHCP scope is full.
- EThe dynamic encryption key did not update while the user was offline.
62A Chief Financial Officer (CFO) has asked the Chief Information Officer (CIO) to provide responses to a recent audit report detailing deficiencies in the organization security controls. The CFO would like to know ways in which the organization can improve its authorization controls. Given the request by the CFO, which of the following controls should the CIO focus on in the report? (Select THREE.)
- APassword complexity policies
- BHardware tokens
- CBiometric systems
- DRole-based permissions
- EOne time passwords
- FSeparation of duties
- GMultifactor authentication
- HSingle sign-on
- ILease privilege
63A mobile device user is concerned about geographic positioning information being included in messages sent between users on a popular social network platform. The user turns off the functionality in the application, but wants to ensure the application cannot re-enable the setting without the knowledge of the user. Which of the following mobile device capabilities should the user disable to achieve the stated goal?
- ACPU cache, paging/swap files, RAM, remote logging data
- BRAM, CPU cache, Remote logging data, paging/swap files
- CPaging/swap files, CPU cache, RAM, remote logging data
- DCPU cache, RAM, paging/swap files, remote logging data
64An organization has hired a penetration tester to test the security of its ten web servers. The penetration tester is able to gain root/administrative access in several servers by exploiting vulnerabilities associated with the implementation of SMTP, POP, DNS, FTP, Telnet, and IMAP. Which of the following recommendations should the penetration tester provide to the organization to better protect their web servers in the future?
- AUse a honeypot
- BDisable unnecessary services
- CImplement transport layer security
- DIncrease application event logging
65A security engineer is faced with competing requirements from the networking group and database administrators. The database administrators would like ten application servers on the same subnet for ease of administration, whereas the networking group would like to segment all applications from one another. Which of the following should the security administrator do to rectify this issue?
- ARecommend performing a security assessment on each application, and only segment the applications with the most vulnerability.
- BRecommend classifying each application into like security groups and segmenting the groups from one another.
- CRecommend segmenting each application, as it is the most secure approach.
- DRecommend that only applications with minimal security features should be segmented to protect them.
66A security analyst has been asked to perform a review of an organization’s software development lifecycle. The analyst reports that the lifecycle does not contain a phase in which team members evaluate and provide critical feedback of another developer’s code. Which of the following assessment techniques is BEST described in the analyst’s report?
- AArchitecture evaluation
- BBaseline reporting
- CWhitebox testing
- DPeer review
67An attacker wearing a building maintenance uniform approached a company’s receptionist asking for access to a secure area. The receptionist asks for identification, a building access badge and checks the company’s list approved maintenance personnel prior to granting physical access to the secure are. The controls used by the receptionist are in place to prevent which of the following types of attacks?
- ATailgating
- BShoulder surfing
- CImpersonation
- DHoax
68A security administrator is tasked with conducting an assessment made to establish the baseline security posture of the corporate IT infrastructure. The assessment must report actual flaws and weaknesses in the infrastructure. Due to the expense of hiring outside consultants, the testing must be performed using in-house or cheaply available resource. There cannot be a possibility of any requirement being damaged in the test. Which of the following has the administrator been tasked to perform?
- ARisk transference
- BPenetration test
- CThreat assessment
- DVulnerability assessment
69A network administrator is attempting to troubleshoot an issue regarding certificates on a secure website. During the troubleshooting process, the network administrator notices that the web gateway proxy on the local network has signed all of the certificates on the local machine. Which of the following describes the type of attack the proxy has been legitimately programmed to perform?
- ATransitive access
- BSpoofing
- CMan-in-the-middle
- DReplay
70Which of the following use the SSH protocol?
- AStelnet
- BSCP
- CSNMP
- DFTPS
- ESSL
- FSFTP
71Which of the following is the GREATEST risk to a company by allowing employees to physically bring their personal smartphones to work?
- ATaking pictures of proprietary information and equipment in restricted areas.
- BInstalling soft token software to connect to the company’s wireless network.
- CCompany cannot automate patch management on personally-owned devices.
- DIncreases the attack surface by having more target devices on the company’s campus.
72Which of the following is the summary of loss for a given year?
- AMTBF
- BALE
- CSLA
- DARO
73A Security Officer on a military base needs to encrypt several smart phones that will be going into the field. Which of the following encryption solutions should be deployed in this situation?
- AElliptic curve
- BOne-time pad
- C3DES
- DAES-256
74An organization relies heavily on an application that has a high frequency of security updates. At present, the security team only updates the application on the first Monday of each month, even though the security updates are released as often as twice a week. Which of the following would be the BEST method of updating this application?
- AConfigure testing and automate patch management for the application.
- BConfigure security control testing for the application.
- CManually apply updates for the application when they are released.
- DConfigure a sandbox for testing patches before the scheduled monthly update.
75A technician must configure a firewall to block external DNS traffic from entering a network. Which of the following ports should they block on the firewall?
- A53
- B110
- C143
- D443
76A software development company needs to share information between two remote servers, using encryption to protect it. A programmer suggests developing a new encryption protocol, arguing that using an unknown protocol with secure, existing cryptographic algorithm libraries will provide strong encryption without being susceptible to attacks on other known protocols. Which of the following summarizes the BEST response to the programmer’s proposal?
- AThe newly developed protocol will only be as secure as the underlying cryptographic algorithms used.
- BNew protocols often introduce unexpected vulnerabilities, even when developed with otherwise secure and tested algorithm libraries.
- CA programmer should have specialized training in protocol development before attempting to design a new encryption protocol.
- DThe obscurity value of unproven protocols against attacks often outweighs the potential for introducing new vulnerabilities.
77A security technician would like to obscure sensitive data within a file so that it can be transferred without causing suspicion. Which of the following technologies would BEST be suited to accomplish this?
- ATransport Encryption
- BStream Encryption
- CDigital Signature
- DSteganography
78A supervisor in your organization was demoted on Friday afternoon. The supervisor had the ability to modify the contents of a confidential database, as well as other managerial permissions. On Monday morning, the database administrator reported that log files indicated that several records were missing from the database. Which of the following risk mitigation strategies should have been implemented when the supervisor was demoted?
- AIncident management
- BRoutine auditing
- CIT governance
- DMonthly user rights reviews
79Which of the following attack types is being carried out where a target is being sent unsolicited messages via Bluetooth?
- AWar chalking
- BBluejacking
- CBluesnarfing
- DRogue tethering
80Joe is exchanging encrypted email with another party. Joe encrypts the initial email with a key. When Joe receives a response, he is unable to decrypt the response with the same key he used initially. Which of the following would explain the situation?
- AAn ephemeral key was used for one of the messages.
- BA stream cipher was used for the initial email; a block cipher was used for the reply.
- COut-of-band key exchange has taken place.
- DAsymmetric encryption is being used.
81Recently several employees were victims of a phishing email that appeared to originate from the company president. The email claimed the employees would be disciplined if they did not click on a malicious link in the message. Which of the following principles of social engineering made this attack successful?
- AAuthority
- BSpamming
- CSocial proof
- DScarcity
82Which of the following is the LEAST secure hashing algorithm?
- ASHA1
- BRIPEMD
- CMD5
- DDES
83An employee uses RDP to connect back to the office network. If RDP is misconfigured, which of the following security exposures would this lead to?
- AA virus on the administrator’s desktop would be able to sniff the administrator’s username and password.
- BResult in an attacker being able to phish the employee’s username and password.
- CA social engineering attack could occur, resulting in the employee’s password being extracted.
- DA man in the middle attack could occur, resulting the employee’s username and password being captured.
84Joe, the security administrator, sees this in a vulnerability scan report:
“The server 10.1.2.232 is running Apache 2.2.20 which may be vulnerable to a mod_cgi exploit.”
Joe verifies that the mod_cgi module is not enabled on 10.1.2.232. This message is an example of what?- Aa threat
- Ba risk
- Ca false negative
- Da false positive
85A security analyst wishes to increase the security of an FTP server. Currently, all trails to the FTP server is unencrypted. Users connecting to the FTP server use a variety of modem FTP client software. The security analyst wants to keep the same port and protocol, while also still allowing unencrypted connections. Which of the following would BEST accomplish these goals?
- ARequire the SFTP protocol to connect to the file server.
- BUse implicit TLS on the FTP server.
- CUse explicit FTPS for the connections.
- DUse SSH tunneling to encrypt the FTP traffic.
86A company has three divisions, each with its own networks and services. The company decides to make its secure web portal accessible to all employees utilizing their existing usernames and passwords, The security administrator has elected to use SAML to support authentication. In this scenario, which of the following will occur when users try to authenticate to the portal? (Select TWO.)
- AThe portal will function as an identity provider and issue an authentication assertion.
- BThe portal will request an authentication ticket from each network that is transitively trusted.
- CThe back-end networks will function as an identity provider and issue an authentication assertion.
- DThe back-end networks will request authentication tickets from the portal, which will act as the third-party service provider authentication store.
- EThe back-end networks will verify the assertion token issued by the portal functioning as the identity provider.
87Which of the following would a security specialist be able to determine upon examination of a server’s certificate?
- ACA public key
- BServer private key
- CCSR
- DOID
88A user suspects someone has been accessing a home network without permission by spoofing the MAC address of an authorized system. While attempting to determine if an unauthorized user is togged into the home network, the user reviews the wireless router, which shows the following table for systems that are currently on the home network.
Which of the following should be the NEXT step to determine if there is an unauthorized user on the network?
- AApply MAC filtering and see if the router drops any of the systems.
- BPhysically check each of the authorized systems to determine if they are togged onto the network.
- CDeny the “unknown” host because the hostname is not known and MAC filtering is not applied to this host.
- DConduct a ping sweep of each of the authorized systems and see if an echo response is received.
89A security consultant discovers that an organization is using the PCL protocol to print documents, utilizing the default driver and print settings. Which of the following is the MOST likely risk in this situation?
- AAn attacker can access and change the printer configuration.
- BSNMP data leaving the printer will not be properly encrypted.
- CAn MITM attack can reveal sensitive information.
- DAn attacker can easily inject malicious code into the printer firmware.
- EAttackers can use the PCL protocol to bypass the firewall of client computers.
90A security analyst is hardening a server with the directory services role installed. The analyst must ensure LDAP traffic cannot be monitored or sniffed and maintains compatibility with LDAP clients. Which of the following should the analyst implement to meet these requirements? (Select TWO.)
- AGenerate an X.509-complaint certificate that is signed by a trusted CA.
- BInstall and configure an SSH tunnel on the LDAP server.
- CEnsure port 389 is open between the clients and the servers using the communication.
- DEnsure port 636 is open between the clients and the servers using the communication.
- ERemove the LDAP directory service role from the server.
91A botnet has hit a popular website with a massive number of GRE-encapsulated packets to perform a DDoS attack News outlets discover a certain type of refrigerator was exploited and used to send outbound packets to the website that crashed. To which of the following categories does the refrigerator belong?
- ASoC
- BICS
- CIoT
- DMFD
92Ann, the Chief Technology Officer (CTO) of a company, is putting together a hardware budget for the next 10 years. She is asking for the average lifespan of each hardware device so that she is able to calculate when she will have to replace each device. Which of the following categories BEST describes what she is looking for?
- AALE
- BMTTR
- CMTBF
- DMTTF
93A software developer wants to ensure that the application is verifying that a key is valid before establishing SSL connections with random remote hosts on the Internet. Which of the following should be used in the code? (Select TWO.)
- AEscrowed keys
- BSSL symmetric encryption key
- CSoftware code private key
- DRemote server public key
- EOCSP
94A security guard has informed the Chief Information Security Officer that a person with a tablet has been walking around the building. The guard also noticed strange white markings in different areas of the parking lot. The person is attempting which of the following types of attacks?
- AJamming
- BWar chalking
- CPacket sniffing
- DNear field communication
95A system administrator is configuring a site-to-site VPN tunnel. Which of the following should be configured on the VPN concentrator during the IKE phase?
- ARIPEMD
- BECDHE
- CDiffie-Hellman
- DHTTPS
96A network operations manager has added a second row of server racks in the datacenter. These racks face the opposite direction of the first row of racks. Which of the following is the reason the manager installed the racks this way?
- ATo lower energy consumption by sharing power outlets.
- BTo create environmental hot and cold isles.
- CTo eliminate the potential for electromagnetic interference.
- DTo maximize fire suppression capabilities.
97Phishing emails frequently take advantage of high-profile catastrophes reported in the news. Which of the following principles BEST describes the weakness being exploited?
- AIntimidation
- BScarcity
- CAuthority
- DSocial proof
98Users report the following message appears when browsing to the company’s secure site:
“This website cannot be trusted.”
Which of the following actions should a security analyst take to resolve these messages? (Select TWO.)- AVerify the certificate has not expired on the server.
- BEnsure the certificate has a .pfx extension on the server.
- CUpdate the root certificate into the client computer certificate store.
- DInstall the updated private key on the web server.
- EHave users clear their browsing history and relaunch the session.
99New magnetic locks were ordered for an entire building. In accordance with company policy, employee safety is the top priority. In case of a fire where electricity is cut, which of the following should be taken into consideration when installing the new locks?
- AFail safe
- BFault tolerance
- CFail secure
- DRedundancy
100A company hires a consulting firm to crawl its Active Directory network with a non-domain account looking for unpatched systems. Actively taking control of systems is out of scope, as is the creation of new administrator accounts. For which of the following is the company hiring the consulting firm?
- AVulnerability scanning
- BPenetration testing
- CApplication fuzzing
- DUser permission
101Two users need to send each other emails over unsecured channels. The system should support the principle of non-repudiation. Which of the following should be used to sign the users’ certificates?
- ARA
- BCA
- CCRL
- DCSR
102Multiple employees receive an email with a malicious attachment that begins to encrypt their hard drives and mapped shares on their devices when it is opened. The network and security teams perform the following actions:
– Shut down all network shares.
– Run an email search identifying all employees who received the malicious message.
– Reimage all devices belonging to users who opened the attachment.
Next, the teams want to re-enable the network shares. Which of the following BEST describes this phase of the incident response process?- AEradication
- BContainment
- CRecovery
- DLessons learned
103Which of the following specifically describes the exploitation of an interactive process to access otherwise restricted areas of the OS?
- APrivilege escalation
- BPivoting
- CProcess affinity
- DBuffer overflow
104Anne, the Chief Executive Officer (CEO), has reported that she is getting multiple telephone calls from someone claiming to be from the helpdesk. The caller is asking to verify her network authentication credentials because her computer is broadcasting across the network. This is MOST likely which of the following types of attacks?
- AVishing
- BImpersonation
- CSpim
- DScareware
105An administrator discovers the following log entry on a server:
Nov 12 2013 00:23:45 httpd[2342]: GET /app2/prod/proc/process.php?input=change;cd%20../../../etc;cat%20shadow
Which of the following attacks is being attempted?- ACommand injection
- BPassword attack
- CBuffer overflow
- DCross-site scripting
106A security team wants to establish an Incident Response plan. The team has never experienced an incident. Which of the following would BEST help them establish plans and procedures?
- ATable top exercises
- BLessons learned
- CEscalation procedures
- DRecovery procedures
107Which of the following would verify that a threat does exist and security controls can easily be bypassed without actively testing an application?
- AProtocol analyzer
- BVulnerability scan
- CPenetration test
- DPort scanner
108Which of the following technologies would be MOST appropriate to utilize when testing a new software patch before a company-wide deployment?
- ACloud computing
- BVirtualization
- CRedundancy
- DApplication control
109A system administrator needs to implement 802.1x whereby when a user logs into the network, the authentication server communicates to the network switch and assigns the user to the proper VLAN. Which of the following protocols should be used?
- ARADIUS
- BKerberos
- CLDAP
- DMSCHAP
110Which of the following types of cloud Infrastructures would allow several organizations with similar structures and interests to realize shared storage and resources?
- APrivate
- BHybrid
- CPublic
- DCommunity
111Which of the following implements two-factor authentication?
- AA phone system requiring a PIN to make a call.
- BAn ATM requiring a credit card and PIN..
- CA computer requiring username and password.
- DA datacenter mantrap requiring fingerprint and iris scan.
112A company is terminating an employee for misbehavior. Which of the following steps is MOST important in the process of disengagement from this employee?
- AObtain a list of passwords used by the employee.
- BGenerate a report on outstanding projects the employee handled.
- CHave the employee surrender company identification.
- DHave the employee sign an NDA before departing.
113A systems administrator is attempting to recover from a catastrophic failure in the datacenter. To recover the domain controller, the systems administrator needs to provide the domain administrator credentials. Which of the following account types is the systems administrator using?
- AShared account
- BGuest account
- CService account
- DUser account
114A penetration tester is crawling a target website that is available to the public. Which of the following represents the actions the penetration tester is performing?
- AURL hijacking
- BReconnaissance
- CWhite box testing
- DEscalation of privilege
115When systems, hardware, or software are not supported by the original vendor, it is a vulnerability known as what?
- Asystem sprawl
- Bend-of-life systems
- Cresource exhaustion
- Da default configuration
116As part of a new industry regulation, companies are required to utilize secure, standardized OS settings. A technician must ensure the OS settings are hardened. Which of the following is the BEST way to do this?
- AUse a vulnerability scanner.
- BUse a configuration compliance scanner.
- CUse a passive, in-line scanner.
- DUse a protocol analyzer.
117Joe, an employee, wants to show his colleagues how much he knows about smartphones. Joe demonstrates a free movie application that he installed from a third party on his corporate smartphone. Joe’s colleagues were unable to find the application in the app stores. Which of the following allowed Joe to install the application? (Select TWO.)
- ANear-field communication
- BRooting/jailbreaking
- CAd-hoc connections
- DTethering
- ESideloading
118A company’s user lockout policy is enabled after five unsuccessful login attempts. The help desk notices a user is repeatedly locked out over the course of a workweek. Upon contacting the user, the help desk discovers the user is on vacation and does not have network access. Which of the following types of attacks are MOST likely occurring? (Select TWO.)
- AReplay
- BRainbow tables
- CBrute force
- DPass the hash
- EDictionary
119A user has attempted to access data at a higher classification level than the user’s account is currency authorized to access. Which of the following access control models has been applied to this user’s account?
- AMAC
- BDAC
- CRBAC
- DABAC
120A company determines that it is prohibitively expensive to become compliant with new credit card regulations. Instead, the company decides to purchase insurance to cover the cost of any potential loss. Which of the following is the company doing?
- ATransferring the risk
- BAccepting the risk
- CAvoiding the risk
- DMitigating the risk
121An organization has determined it can tolerate a maximum of three hours of downtime. Which of the following has been specified?
- ARTO
- BRPO
- CMTBF
- DMTTR
122An attacker compromises a public CA and issues unauthorized X.509 certificates for Company.com. In the future, impact of similar incidents. Which of the following would assist Company.com with its goal?
- ACertificate pinning
- BCertificate stapling
- CCertificate chaining
- DCertificate with extended validation
123After a user reports stow computer performance, a systems administrator detects a suspicious file, which was installed as part of a freeware software package. The systems administrator reviews the output below:
(See image)
Based on the above information, which of the following types of malware was installed on the user’s computer?
- ARAT
- BKeylogger
- CSpyware
- DWorm
- EBot
124A forensic analyst is asked to respond to an ongoing network attack on a server. Place the items in the list below in the correct order in which the forensic analyst should preserve them.
- A1. RAM
2. CPU Cache
3. Swap
4. Hard Drive - B1. CPU Cache
2. RAM
3. Swap
4. Hard Drive - C1. Swap
2. CPU Cache
3. RAM
4. Hard Drive - D1. Hard Drive
2. RAM
3. Swap
4. CPU Cache
- A1. RAM
125Malicious traffic from an internal network has been detected on an unauthorized port on an application server. Which of the following network-based security controls should the engineer consider implementing?
- AACLs
- BHIPS
- CNAT
- DMAC filtering
126A company wants to host a publicly available server that performs the following functions:
– Evaluates MX record lookup.
– Can perform authenticated requests for A and AAA records.
– Uses RRSIG.
Which of the following should the company use to fulfill the above requirements?- ADNSSEC
- BSFTP
- Cnslookup
- Ddig
127Which of the following attack types BEST describes a client-side attack that is used to mandate an HTML iframe with JavaScript code via web browser?
- ABuffer overflow
- BMITM
- CXSS
- DSQLi
128A company has a data classification system with definitions for “Private” and “Public”. The company’s security policy outlines how data should be protected based on type. The company recently added the data type “Proprietary”. Which of the following is the MOST likely reason the company added this data type?
- AReduced cost
- BMore searchable data
- CBetter data classification
- DExpanded authority of the privacy officer
129A security administrator is developing training for corporate users on basic security principles for personal email accounts. Which of the following should be mentioned as the MOST secure way for password recovery?
- AUtilizing a single Qfor password recovery
- BSending a PIN to a smartphone through text message
- CUtilizing CAPTCHA to avoid brute force attacks
- DUse a different e-mail address to recover password
130A company researched the root cause of a recent vulnerability in its software. It was determined that the vulnerability was the result of two updates made in the last release. Each update alone would not have resulted in the vulnerability. In order to prevent similar situations in the future, the company should improve which of the following?
- AChange management procedures.
- BJob rotation policies.
- CIncident response management.
- DLeast privilege access controls.
131A computer on a company network was infected with a zero-day exploit after an employee accidently opened an email that contained malicious content. The employee recognized the email as malicious and was attempting to delete it, but accidently opened it. Which of the following should be done to prevent this scenario from occurring again in the future?
- AInstall host-based firewalls on all computers that have an email client installed.
- BSet the email program default to open messages in plain text.
- CInstall end-point protection on all computers that access web email.
- DCreate new email spam filters to delete all messages from that sender.
132A company wants to ensure that the validity of publicly trusted certificates used by its web server can be determined even during an extended internet outage. Which of the following should be implemented?
- ARecovery agent
- BOCSP
- CCRL
- DKey escrow
133An administrator intends to configure an IPSec solution that provides ESP with integrity protection, but not confidentiality protection. Which of the following AES modes of operation would meet this integrity-only requirement?
- AHMAC
- BPCBC
- CCBC
- DGCM
- ECFB
134The Chief Security Officer (CSO) has issued a new policy that requires that all internal websites be configured for HTTPS traffic only. The network administrator has been tasked to update all internal sites without incurring additional costs. Which of the following is the best solution for the network administrator to secure each internal website?
- AUse certificates signed by the company CA.
- BUse a signing certificate as a wild card certificate.
- CUse certificates signed by a public CA.
- DUse a self-signed certificate on each internal server.
135A security program manager wants to actively test the security posture of a system. The system is not yet in production and has no uptime requirement or active user base. Which of the following methods will produce a report which shows vulnerabilities that were actually exploited?
- APeer review
- BComponent testing
- CPenetration testing
- DVulnerability testing
136A new intern in the purchasing department requires read access to shared documents. Permissions are normally controlled through a group called “purchasing”, however, the purchasing group permissions allow write access. Which of the following would be the BEST course of action?
- AModify all the shared files with read only permissions for the intern.
- BCreate a new group that has only read permissions for the files.
- CRemove all permissions for the shared files.
- DAdd the intern to the “purchasing” group.
137A business has recently deployed laptops to all sales employees. The laptops will be used primarily from home offices and while traveling, and a high amount of wireless mobile use is expected. To protect the laptops while connected to untrusted wireless networks, which of the following would be the BEST method for reducing the risk of having the laptops compromised?
- AMAC filtering
- BVirtualization
- COS hardening
- DApplication white-listing
138A security engineer is configuring a system that requires the X.509 certificate information to be pasted into a form field in Base64 encoded format to import it into the system. Which of the following certificate formats should the engineer use to obtain the information in the required format?
- APFX
- BPEM
- CDER
- DCER
139When performing data acquisition on a workstation, which of the following should be captured based on memory volatility? (Select TWO.)
- AUSB-attached hard disk
- BSwap/pagefile
- CMounted network storage
- DROM
- ERAM
140When configuring settings in a mandatory access control environment, which of the following specifies the subjects that can access specific data objects?
- AOwner
- BSystem
- CAdministrator
- DUser
141A systems administrator is reviewing the following information from a compromised server:
(see image)
Given the above information, which of the following processes was MOST likely exploited via a remote buffer overflow attack?- AAPACHE
- BLSASS
- CMySQL
- DTFTP
142A Chief Executive Officer (CEO) suspects someone in the lab testing environment is stealing confidential information after working hours when no one else is around. Which of the following actions can help to prevent this specific threat?
- AImplement time-of-day restrictions.
- BAudit file access times.
- CSecretly install a hidden surveillance camera.
- DRequire swipe-card access to enter the lab.
143A company hires a third-party firm to conduct an assessment of vulnerabilities exposed to the Internet. The firm informs the company that an exploit exists for an FTP server that had a version installed from eight years ago. The company has decided to keep the system online anyway, as no upgrade exists form the vendor. Which of the following BEST describes the reason why the vulnerability exists?
- ADefault configuration
- BEnd-of-life system
- CWeak cipher suite
- DZero-day threats
144An organization uses SSO authentication for employee access to network resources. When an employee resigns, as per the organization’s security policy, the employee’s access to all network resources is terminated immediately. Two weeks later, the former employee sends an email to the help desk for a password reset to access payroll information from the human resources server. Which of the following represents the BEST course of action?
- AApprove the former employee’s request, as a password reset would give the former employee access to only the human resources server.
- BDeny the former employee’s request, since the password reset request came from an external email address.
- CDeny the former employee’s request, as a password reset would give the employee access to all network resources.
- DApprove the former employee’s request, as there would not be a security issue with the former employee gaining access to network.
145Joe, a user, wants to send Ann, another user, a confidential document electronically. Which of the following should Joe do to ensure the document is protected from eavesdropping?
- AEncrypt it with Joe’s private key.
- BEncrypt it with Joe’s public key.
- CEncrypt it with Ann’s private key.
- DEncrypt it with Ann’s public key.
146A director of IR is reviewing a report regarding several recent breaches. The director compiles the following statistic’s:
– Initial IR engagement time frame
– Length of time before an executive management notice went out
– Average IR phase completion
The director wants to use the data to shorten the response time. Which of the following would accomplish this?- ACSIRT
- BContainment phase
- CEscalation notifications
- DTabletop exercise
147To reduce disk consumption, an organization’s legal department has recently approved a new policy setting the data retention period for sent email at six months. Which of the following is the BEST way to ensure this goal is met?
- ACreate a daily encrypted backup of the relevant emails.
- BConfigure the email server to delete the relevant emails.
- CMigrate the relevant emails into an “Archived” folder.
- DImplement automatic disk compression on email servers.
148A security administrator is configuring a new network segment, which contains devices that will be accessed by external users, such as web and FTP server. Which of the following represents the MOST secure way to configure the new network segment?
- AThe segment should be placed on a separate VLAN, and the firewall rules should be configured to allow external traffic.
- BThe segment should be placed in the existing internal VLAN to allow internal traffic only.
- CThe segment should be placed on an intranet, and the firewall rules should be configured to allow external traffic.
- DThe segment should be placed on an extranet, and the firewall rules should be configured to allow both internal and external traffic.
149Which of the following types of attacks precedes the installation of a rootkit on a server?
- APharming
- BDDoS
- CPrivilege escalation
- DDoS
150Which of the following cryptographic algorithms is irreversible?
- ARC4
- BSHA-256
- CDES
- DAES
151A security analyst receives an alert from a WAF with the following payload:
var data= “<test test test>” ++ <../../../../../../etc/passwd>”
Which of the following types of attacks is this?- ACross-site request forgery
- BBuffer overflow
- CSQL injection
- DJavaScript data insertion
- EFirewall evasion scipt
152A workstation puts out a network request to locate another system. Joe, a hacker on the network, responds before the real system does, and he tricks the workstation into communicating with him. Which of the following BEST describes what occurred?
- AThe hacker used a race condition.
- BThe hacker used a pass-the-hash attack.
- CThe hacker-exploited importer key management.
- DThe hacker-exploited weak switch configuration.
153A development team has adopted a new approach to projects in which feedback is iterative and multiple iterations of deployments are provided within an application’s full life cycle. Which of the following software development methodologies is the development team using?
- AWaterfall
- BAgile
- CRapid
- DExtreme
154A security analyst wants to harden the company’s VoIP PBX. The analyst is worried that credentials may be intercepted and compromised when IP phones authenticate with the BPX. Which of the following would best prevent this from occurring?
- AImplement SRTP between the phones and the PBX.
- BPlace the phones and PBX in their own VLAN.
- CRestrict the phone connections to the PBX.
- DRequire SIPS on connections to the PBX.
155An organization is comparing and contrasting migration from its standard desktop configuration to the newest version of the platform. Before this can happen, the Chief Information Security Officer (CISO) voices the need to evaluate the functionality of the newer desktop platform to ensure interoperability with existing software in use by the organization. In which of the following principles of architecture and design is the CISO engaging?
- ADynamic analysis
- BChange management
- CBaselining
- DWaterfalling
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- SEC+ Digital Technologies Quiz on COMPTIA Sec+ 501, created by Kevin S on 30/06/2018.
- Author
- Kevin S
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- English
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