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CompTIA SY0-401 100 question exam broken down into 2 parts, this is part 1.

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SY0-401 Part 1 (50 questions)

Question 1 of 50

1

An achievement in providing worldwide Internet security was the signing of certificates associated with which of the following protocols?

Select one of the following:

  • TCP/IP

  • SSL

  • SCP

  • SSH

Explanation

Question 2 of 50

1

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?

Select one of the following:

  • Username and password

  • Retina scan and fingerprint scan

  • USB token and PIN

  • Proximity badge and token

Explanation

Question 3 of 50

1

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?

Select one of the following:

  • Screen lock

  • Voice encryption

  • GPS tracking

  • Device encryption

Explanation

Question 4 of 50

1

Which of the following would a security administrator implement in order to identify a problem between two systems that are not communicating properly?

Select one of the following:

  • Protocol analyzer

  • Baseline report

  • Risk assessment

  • Vulnerability scan

Explanation

Question 5 of 50

1

Which of the following can result in significant administrative overhead from incorrect reporting?

Select one of the following:

  • Job rotation

  • Acceptable usage policies

  • False positives

  • Mandatory vacations

Explanation

Question 6 of 50

1

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?

Select one of the following:

  • Penetration test

  • Vulnerability scan

  • Load testing

  • Port scanner

Explanation

Question 7 of 50

1

Which of the following risk concepts requires an organization to determine the number of failures
per year?

Select one of the following:

  • SLE

  • ALE

  • MTBF

  • Quantitative analysis

Explanation

Question 8 of 50

1

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?

Select one of the following:

  • Disabling unnecessary accounts

  • Rogue machine detection

  • Encrypting sensitive files

  • Implementing antivirus

Explanation

Question 9 of 50

1

Three of the primary security control types that can be implemented are.

Select one of the following:

  • Supervisory, subordinate, and peer

  • Personal, procedural, and legal

  • Operational, technical, and mamagement

  • Mandatory, discretionary, and permanent

Explanation

Question 10 of 50

1

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?

Select one of the following:

  • Recovery

  • Follow-up

  • Validation

  • Identification

  • Eradication

  • Containment

Explanation

Question 11 of 50

1

Which of the following protocols operates at the HIGHEST level of the OSI model?

Select one of the following:

  • ICMP

  • IPSec

  • SCP

  • TCP

Explanation

Question 12 of 50

1

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?

Select one of the following:

  • $500

  • $5,000

  • $25,000

  • $50,000

Explanation

Question 13 of 50

1

Which of the following should an administrator implement to research current attack methodologies?

Select one of the following:

  • Design reviews

  • Honeypot

  • Vulnerability scanner

  • Code reviews

Explanation

Question 14 of 50

1

Which of the following can be implemented in hardware or software to protect a web server from cross-site scripting attacks?

Select one of the following:

  • Intrusion Detection System

  • Flood Guard Protection

  • Web Application Firewall

  • URL Content Filter

Explanation

Question 15 of 50

1

Which of the following means of wireless authentication is easily vulnerable to spoofing?

Select one of the following:

  • MAC Filtering

  • WPA - LEAP

  • WPA - PEAP

  • Enabled SSID

Explanation

Question 16 of 50

1

The BEST methods for a web developer to prevent the website application code from being vulnerable to cross-site request forgery (XSRF) are to: (Select TWO).

Select one or more of the following:

  • permit redirection to Internet-facing web URLs

  • ensure all HTML tags are enclosed in angle brackets, e.g. "<" and ">"

  • validate and filter input on the server side and client side

  • use a web proxy to pass website requests between the user and the application

  • restrict and sanitize use of special characters in input and URLs

Explanation

Question 17 of 50

1

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?

Select one of the following:

  • WPA2-PSK

  • WEP-PSK

  • CCMP

  • LEAP

Explanation

Question 18 of 50

1

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?

Select one of the following:

  • System image capture

  • Record time offset

  • Order of volatitility

  • Chain of custody

Explanation

Question 19 of 50

1

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?

Select one of the following:

  • Time of day restrictions

  • Group based privileges

  • User assigned privileges

  • Domain admin restrictions

Explanation

Question 20 of 50

1

Which of the following is being tested when a company’s payroll server is powered off for eight hours?

Select one of the following:

  • Succession plan

  • Business impact document

  • Continuity of operations plan

  • Risk assessment plan

Explanation

Question 21 of 50

1

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?

Select one of the following:

  • Malicious insider threat

  • Zero-day

  • Client-side attack

  • Malicious add-on

Explanation

Question 22 of 50

1

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?

Select one of the following:

  • Peer to Peer

  • Mobile devices

  • Social Networking

  • Personally owned devices

Explanation

Question 23 of 50

1

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?

Select one of the following:

  • Application hardening

  • Application change management

  • Application patch management

  • Application firewall review

Explanation

Question 24 of 50

1

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?

Select one of the following:

  • Mandatory vacations

  • Job roation

  • Least privilege

  • Separation of duties

Explanation

Question 25 of 50

1

A network engineer is designing a secure tunneled VPN. Which of the following protocols would be the MOST secure?

Select one of the following:

  • IPSec

  • SFTP

  • BGP

  • PPTP

Explanation

Question 26 of 50

1

Which of the following implementation steps would be appropriate for a public wireless hot-spot?

Select one of the following:

  • Reduce power level

  • Disable SSID broadcast

  • Open system authentication

  • MAC filter

Explanation

Question 27 of 50

1

Which of the following is a step in deploying a WPA2-Enterprise wireless network?

Select one of the following:

  • Install a token on the authentication server

  • Install a DHCP server on the authentication server

  • Install an encryption key on the authentication server

  • Install a digital certificate on the authentication server

Explanation

Question 28 of 50

1

Which of the following controls would allow a company to reduce the exposure of sensitive systems from unmanaged devices on internal networks?

Select one of the following:

  • 802.1x

  • Data encryption

  • Password strength

  • BGP

Explanation

Question 29 of 50

1

Which of the following preventative controls would be appropriate for responding to a directive to reduce the attack surface of a specific host?

Select one of the following:

  • Installing anti-malware

  • Implementing an IDS

  • Taking a baseline configuration

  • Disabling unnecessary services

Explanation

Question 30 of 50

1

A security manager must remain aware of the security posture of each system. Which of the following supports this requirement?

Select one of the following:

  • Training staff on security policies

  • Establishing baseline reporting

  • Installing anti-malware software

  • Disabling unnecessary accounts/services

Explanation

Question 31 of 50

1

Deploying a wildcard certificate is one strategy to:

Select one of the following:

  • Secure the certificates's private key

  • Increase the certificate's encryption key length

  • Extend the renewal date of the certificate

  • Reduce the certificate management burden

Explanation

Question 32 of 50

1

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?

Select one of the following:

  • Implicit deny

  • VLAN management

  • Port security

  • Access control lists

Explanation

Question 33 of 50

1

Which of the following ports is used for SSH, by default?

Select one of the following:

  • 23

  • 32

  • 12

  • 22

Explanation

Question 34 of 50

1

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?

Select one of the following:

  • WPA2 CCMP

  • WPA

  • WPA with MAC filtering

  • WPA2 TKIP

Explanation

Question 35 of 50

1

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, 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?

Select one of the following:

  • XSS

  • DDoS

  • DoS

  • XMAS

Explanation

Question 36 of 50

1

Which of the following ciphers would be BEST used to encrypt streaming video?

Select one of the following:

  • RSA

  • RC4

  • SHA1

  • 3DES

Explanation

Question 37 of 50

1

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?

Select one of the following:

  • Dual-factor authentication

  • Multifactor authentication

  • Single factor authentication

  • Biometric authentication

Explanation

Question 38 of 50

1

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?

Select one of the following:

  • Privilege escalation

  • Advanced persistent threat

  • Malicious insider threat

  • Spear phishing

Explanation

Question 39 of 50

1

Which of the following is true about input validation in a client-server architecture, when data integrity is critical to the organization?

Select one of the following:

  • It should be enforced on the client side only

  • It must be protected by SSL encryption

  • It must rely on the user's knowledge of the application

  • It should be performed on the server side

Explanation

Question 40 of 50

1

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?

Select one of the following:

  • Database field encryption

  • File-level encryption

  • Data loss prevention system

  • Full disk encryption

Explanation

Question 41 of 50

1

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?

Select one of the following:

  • AES

  • 3DES

  • RC4

  • WPA2

Explanation

Question 42 of 50

1

Which of the following is BEST at blocking attacks and providing security at layer 7 of the OSI model?

Select one of the following:

  • WAF

  • NIDS

  • Routers

  • Switches

Explanation

Question 43 of 50

1

Which of the following is BEST used to capture and analyze network traffic between hosts on the same network segment?

Select one of the following:

  • Protocol analyzer

  • Router

  • Firewall

  • HIPS

Explanation

Question 44 of 50

1

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?

Select one of the following:

  • Information Security Awareness

  • Social Media and BYOD

  • Data Handling and Disposal

  • Acceptable Use of IT Systems

Explanation

Question 45 of 50

1

Which of the following functions provides an output which cannot be reversed and converts data into a string of characters?

Select one of the following:

  • Hasing

  • Stream ciphers

  • Steganography

  • Block ciphers

Explanation

Question 46 of 50

1

Which of the following encrypts data a single bit at a time?

Select one of the following:

  • Stream cipher

  • Steganography

  • 3DES

  • Hasing

Explanation

Question 47 of 50

1

Which of the following is used to verify data integrity?

Select one of the following:

  • SHA

  • 3DES

  • AES

  • RSA

Explanation

Question 48 of 50

1

By default, which of the following uses TCP port 22?

Select one or more of the following:

  • FTPS

  • STELNET

  • TLS

  • SCP

  • SSL

  • HTTPS

  • SSH

  • SFTP

Explanation

Question 49 of 50

1

Access mechanisms to data on encrypted USB hard drives must be implemented correctly otherwise:

Select one of the following:

  • user accounts may be inadvertently locked out

  • data on the USB drive could be corrupted

  • data on the hard drive will be vulnerable to log analysis

  • the security controls on the USB drive can be bypassed

Explanation

Question 50 of 50

1

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?

Select one of the following:

  • Spear phishing

  • Packet sniffing

  • Impersonation

  • MAC flooding

Explanation

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