Security + 401 Flashcards
An achievement in providing worldwide Internet security was the signing of certificates associated with which of the following protocol
SSL
A Chief Information Security Officer (CISO) wants to implement two-factor authentication within the company. Which of the following would fulfill the CISO’s requirements
USB token and PIN
Which of the following can a security administrator implement on mobile devices that will help prevent unwanted people from viewing the data if the device is left unattended
Screen lock
would a security administrator implement in order to identify a problem between two systems that are not communicating properly
Protocol analyzer
can result in significant administrative overhead from incorrect reporting?
False positives
A security administrator wants to perform routine tests on the network during working hours when certain applications are being accessed by the most people. Which of the following would allow the security administrator to test the lack of security controls for those applications with the least impact to the system?
Vulnerability scan
Which of the following risk concepts requires an organization to determine the number of failures per year?
ALE
A system security analyst using an enterprise monitoring tool notices an unknown internal host exfiltrating files to several foreign IP addresses. Which of the following would be an appropriate mitigation technique?
Rogue machine detection
Three of the primary security control types that can be implemented are.
Operational, technical, and management
The helpdesk reports increased calls from clients reporting spikes in malware infections on their systems. Which of the following phases of incident response is MOST appropriate as a FIRST response
Identification
Which of the following protocols operates at the HIGHEST level of the OSI model
SCP
Joe, the system administrator, has been asked to calculate the Annual Loss Expectancy (ALE) for a $5,000 server, which often crashes. In the past year, the server has crashed 10 times, requiring a system reboot to recover with only 10% loss of data or function. Which of the following is the ALE of this server?
$5,000
Which of the following should an administrator implement to research current attack methodologies
Honeypot
Which of the following can be implemented in hardware or software to protect a web server from cross-site scripting attacks?
Web Application Firewall
Which of the following means of wireless authentication is easily vulnerable to spoofing
MAC Filtering
The BEST methods for a web developer to prevent the website application code from being vulnerable to crosssite request forgery (XSRF) are to: (Select TWO)
validate and filter input on the server side and client side.
restrict and sanitize use of special characters in input and URLs.
Jane, a security administrator, needs to implement a secure wireless authentication method that uses a remote RADIUS server for authentication.
Which of the following is an authentication method Jane should use?
LEAP
Computer evidence at a crime scene is documented with a tag stating who had possession of the evidence at a given time. Which of the following does this illustrate?
Chain of custody
A network administrator is configuring access control for the sales department which has high employee turnover. Which of the following is BEST suited when assigning user rights to individuals in the sales department
Group based privileges
Which of the following is being tested when a company’s payroll server is powered off for eight hours
Continuity of operations plan
A security analyst, Ann, is reviewing an IRC channel and notices that a malicious exploit has been created for a frequently used application. She notifies the software vendor and asks them for remediation steps, but is alarmed to find that no patches are available to mitigate this vulnerability.
Which of the following BEST describes this exploit?
Zero-day
A security administrator has concerns about new types of media which allow for the mass distribution of personal comments to a select group of people. To mitigate the risks involved with this media, employees should receive training on which of the following?
Social networking
A network administrator is responsible for securing applications against external attacks. Every month, the underlying operating system is updated. There is no process in place for other software updates.
Which of the following processes could MOST effectively mitigate these risks
Application patch management
A software developer is responsible for writing the code on an accounting application. Another software developer is responsible for developing code on a system in human resources. Once a year they have to switch roles for several weeks.
Which of the following practices is being implemented?
Job rotation
A network engineer is designing a secure tunneled VPN. Which of the following protocols would be the MOST secure?
IPsec
Which of the following implementation steps would be appropriate for a public wireless hot-spo
Open system authentication
Which of the following is a step in deploying a WPA2-Enterprise wireless network
Install a digital certificate on the authentication server
Which of the following controls would allow a company to reduce the exposure of sensitive systems from unmanaged devices on internal networks?
802.1x
Which of the following preventative controls would be appropriate for responding to a directive to reduce the attack surface of a specific host?
Disabling unnecessary services
A security manager must remain aware of the security posture of each system. Which of the following supports this requirement
Establishing baseline reporting
Deploying a wildcard certificate is one strategy to:
Deploying a wildcard certificate is one strategy to:
The security administrator needs to manage traffic on a layer 3 device to support FTP from a new remote site. Which of the following would need to be implemented?
Access control lists
Which of the following ports is used for SSH, by default?
22
A network administrator has been tasked with securing the WLAN. Which of the following cryptographic products would be used to provide the MOST secure environment for the WLAN?
WPA2 CCMP
A server with the IP address of 10.10.2.4 has been having intermittent connection issues. The logs show repeated connection attempts from the following IPs:
10.10.3.16
10.10.3.23
212.178.24.26
217.24.94.83
These attempts are overloading the server to the point that it cannot respond to traffic. Which of the following attacks is occurring?
DDoS
Which of the following ciphers would be BEST used to encrypt streaming video?
RC4
A user attempting to log on to a workstation for the first time is prompted for the following information before being granted access: username, password, and a four-digit security pin that was mailed to him during account registration. This is an example of which of the following
Single factor authentication
After analyzing and correlating activity from multiple sensors, the security administrator has determined that a group of very well organized individuals from an enemy country is responsible for various attempts to breach the company network, through the use of very sophisticated and targeted attacks. Which of the following is this an example of?
Advanced persistent threat
Which of the following is true about input validation in a client-server architecture, when data integrity is critical to the organization?
It should be performed on the server side
A merchant acquirer has the need to store credit card numbers in a transactional database in a high performance environment. Which of the following BEST protects the credit card data?
Database field encryption
A bank has a fleet of aging payment terminals used by merchants for transactional processing. The terminals currently support single DES but require an upgrade in order to be compliant with security standards. Which of the following is likely to be the simplest upgrade to the aging terminals which will improve in-transit protection of transactional data?
3DES
Which of the following is BEST at blocking attacks and providing security at layer 7 of the OSI model?
WAF
Which of the following is BEST used to capture and analyze network traffic between hosts on the same network segment?
Protocol analyzer
After a number of highly publicized and embarrassing customer data leaks as a result of social engineering attacks by phone, the Chief Information Officer (CIO) has decided user training will reduce the risk of another data leak. Which of the following would be MOST effective in reducing data leaks in this situation
Information Security Awareness
Which of the following functions provides an output which cannot be reversed and converts data into a string of characters
Hashing
Which of the following encrypts data a single bit at a time?
Stream cipher
Which of the following is used to verify data integrity
SHA
By default, which of the following uses TCP port 22? (Select THREE).
SCP
SSH
SFTP
Access mechanisms to data on encrypted USB hard drives must be implemented correctly otherwise:
the security controls on the USB drive can be bypassed
Maintenance workers find an active network switch hidden above a dropped-ceiling tile in the CEO’s office with various connected cables from the office. Which of the following describes the type of attack that was occurring?
Packet sniffing
A security administrator is segregating all web-facing server traffic from the internal network and restricting it to a single interface on a firewall. Which of the following BEST describes this new network?
DMZ
Which of the following was based on a previous X.500 specification and allows either unencrypted authentication or encrypted authentication through the use of TLS?
LDAP
The Quality Assurance team is testing a new third party developed application. The Quality team does not have any experience with the application. Which of the following is the team performing?
Black box testing
Which of the following has a storage root key
TPM
A datacenter requires that staff be able to identify whether or not items have been removed from the facility. Which of the following controls will allow the organization to provide automated notification of item removal?
RFID
A malicious person gained access to a datacenter by ripping the proximity badge reader off the wall near the datacenter entrance. This caused the electronic locks on the datacenter door to release because the:
system was designed to fail open for life-safety
The concept of rendering data passing between two points over an IP based network impervious to all but the most sophisticated advanced persistent threats is BEST categorized as which of the following
Transport encryption
On Monday, all company employees report being unable to connect to the corporate wireless network, which uses 802.1x with PEAP. A technician verifies that no configuration changes were made to the wireless network and its supporting infrastructure, and that there are no outages.
Which of the following is the MOST likely cause for this issue?
The Remote Authentication Dial-In User Service server certificate has expired.
Which of the following would BEST deter an attacker trying to brute force 4-digit PIN numbers to access an account at a bank teller machine?
Account lockout settings
An administrator discovers that many users have used their same passwords for years even though the network requires that the passwords be changed every six weeks. Which of the following, when used together, would BEST prevent users from reusing their existing password? (Select TWO)
Password history
Minimum password age
A recent audit has discovered that at the time of password expiration clients are able to recycle the previous credentials for authentication. Which of the following controls should be used together to prevent this from occurring? (Select TWO).
Password age
Password history
A system administrator is configuring UNIX accounts to authenticate against an external server. The configuration file asks for the following information DC=ServerName and DC=COM. Which of the following authentication services is being used?
LDAP
In Kerberos, the Ticket Granting Ticket (TGT) is used for which of the following?
Authentication
Which of the following network design elements allows for many internal devices to share one public IP address
PAT
Which of the following components of an all-in-one security appliance would MOST likely be configured in order to restrict access to peer-to-peer file sharing websites?
URL filter
When considering a vendor-specific vulnerability in critical industrial control systems which of the following techniques supports availability?
Incorporating diversity into redundant design
During the information gathering stage of a deploying role-based access control model, which of the following information is MOST likely required?
Matrix of job titles with required access privilege
The Chief Technical Officer (CTO) has been informed of a potential fraud committed by a database administrator performing several other job functions within the company. Which of the following is the BEST method to prevent such activities in the future?
Separation of duties
Ann would like to forward some Personal Identifiable Information to her HR department by email, but she is worried about the confidentiality of the information. Which of the following will accomplish this task securely?
Encryption
A company is trying to limit the risk associated with the use of unapproved USB devices to copy documents. Which of the following would be the BEST technology control to use in this scenario?
DLP
A company is trying to implement physical deterrent controls to improve the overall security posture of their data center. Which of the following BEST meets their goal?
Hardware locks
A company’s employees were victims of a spear phishing campaign impersonating the CEO. The company would now like to implement a solution to improve the overall security posture by assuring their employees that email originated from the CEO. Which of the following controls could they implement to BEST meet this goal?
Digital signatures
A security technician is attempting to improve the overall security posture of an internal mail server. Which of the following actions would BEST accomplish this goal?
Disabling unnecessary services
A bank has recently deployed mobile tablets to all loan officers for use at customer sites. Which of the following would BEST prevent the disclosure of customer data in the event that a tablet is lost
or stolen?
Remote wiping
Which of the following is the primary security concern when deploying a mobile device on a network
Data security
Which of the following technical controls is BEST used to define which applications a user can install and run on a company issued mobile device?
Whitelisting
After a company has standardized to a single operating system, not all servers are immune to a well-known OS vulnerability. Which of the following solutions would mitigate this issue?
Patch management system
A security administrator discovers an image file that has several plain text documents hidden in the file. Which of the following security goals is met by camouflaging data inside of other files?
Confidentiality
A company determines a need for additional protection from rogue devices plugging into physical ports around the building. Which of the following provides the highest degree of protection from unauthorized wired network access?
802.1x
A company is preparing to decommission an offline, non-networked root certificate server. Before sending the server’s drives to be destroyed by a contracted company, the Chief Security Officer (CSO) wants to be certain that the data will not be accessed. Which of the following, if implemented, would BEST reassure the CSO? (Select TWO).
Full disk encryption
Disk wiping procedures
During the analysis of a PCAP file, a security analyst noticed several communications with a remote server on port 53. Which of the following protocol types is observed in this traffic?
DNS
A compromised workstation utilized in a Distributed Denial of Service (DDOS) attack has been removed from the network and an image of the hard drive has been created. However, the system administrator stated that the system was left unattended for several hours before the image was created. In the event of a court case, which of the following is likely to be an issue with this incident
Chain of custody
During which of the following phases of the Incident Response process should a security administrator define and implement general defense against malware
Preparation
Due to hardware limitation, a technician must implement a wireless encryption algorithm that uses the RC4 protocol. Which of the following is a wireless encryption solution that the technician should implement while ensuring the STRONGEST level of security?
WPA-TKIP
Joe, a user, wants to send an encrypted email to Ann. Which of the following will Ann need to use to verify that the email came from Joe and decrypt it? (Select TWO).
Ann’s private key
Joe’s public key
Joe, a user, wants to send an encrypted email to Ann. Which of the following will Ann need to use to verify the validity’s of Joe’s certificate? (Select TWO).
The CA’s public key
Joe’s public key
A technician wants to implement a dual factor authentication system that will enable the organization to authorize access to sensitive systems on a need-to-know basis. Which of the following should be implemented
during the authorization stage
Biometrics
A security researcher wants to reverse engineer an executable file to determine if it is malicious.
The file was found on an underused server and appears to contain a zero-day exploit. Which of the following can the researcher do to determine if the file is malicious in nature
OS Baseline comparison
A recent spike in virus detections has been attributed to end-users visiting www.compnay.com. The business has an established relationship with an organization using the URL of www.company.com but not with the site that has been causing the infections. Which of the following would BEST describe this type of attack?
Typo squatting
A company has proprietary mission critical devices connected to their network which are configured remotely by both employees and approved customers. The administrator wants to monitor device security without changing their baseline configuration. Which of the following should be implemented to secure the devices without risking availability?
IDS
An administrator has a network subnet dedicated to a group of users. Due to concerns regarding data and network security, the administrator desires to provide network access for this group only. Which of the following would BEST address this desire?
Configure the switch to allow only traffic from computers based upon their physical address
Which of the following is a security concern regarding users bringing personally-owned devices that they connect to the corporate network?
Lack of controls in place to ensure that the devices have the latest system patches and signature files
Due to issues with building keys being duplicated and distributed, a security administrator wishes to change to a different security control regarding a restricted area. The goal is to provide access based upon facial recognition. Which of the following will address this requirement
Place a guard at the entrance to approve access.
A security administrator has concerns regarding employees saving data on company provided mobile devices. Which of the following would BEST address the administrator’s concerns?
Configure the devices so that removable media use is disabled
Identifying residual risk is MOST important to which of the following concepts?
Risk acceptance
The information security technician wants to ensure security controls are deployed and functioning as intended to be able to maintain an appropriate security posture. Which of the following security techniques is MOST appropriate to do this?
Continuous security monitoring
A small company can only afford to buy an all-in-one wireless router/switch. The company has 3 wireless BYOD users and 2 web servers without wireless access. Which of the following should the company configure to protect the servers from the user devices? (Select TWO).
Create a server VLAN
Create an ACL to access the server
Users can authenticate to a company’s web applications using their credentials from a popular social media site. Which of the following poses the greatest risk with this integration?
Password breaches to the social media site affect the company application as well
A security team has established a security awareness program. Which of the following would BEST prove the success of the program?
Metrics
A company needs to receive data that contains personally identifiable information. The company requires both the transmission and data at rest to be encrypted. Which of the following achieves this goal? (Select TWO).
SSH
PGP/GPG
