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Q381. Which of the following firewall rules only denies DNS zone transfers?
A. deny udp any any port 53
B. deny ip any any
C. deny tcp any any port 53
D. deny all dns packets
Answer: C
Explanation:
DNS operates over TCP and UDP port 53. TCP port 53 is used for zone transfers.
Q382. An employee recently lost a USB drive containing confidential customer data. Which of the following controls could be utilized to minimize the risk involved with the use of USB drives?
A. DLP
B. Asset tracking
C. HSM
D. Access control
Answer: A
Explanation:
Data loss prevention (DLP) systems monitor the contents of systems (workstations, servers, and networks) to make sure that key content is not deleted or removed. They also monitor who is using the data (looking for unauthorized access) and transmitting the data.
Q383. Jane, an IT security technician, needs to create a way to secure company mobile devices. Which of the following BEST meets this need?
A. Implement voice encryption, pop-up blockers, and host-based firewalls.
B. Implement firewalls, network access control, and strong passwords.
C. Implement screen locks, device encryption, and remote wipe capabilities.
D. Implement application patch management, antivirus, and locking cabinets.
Answer: C
Explanation: Screen-lock is a security feature that requires the user to enter a password after a short period of inactivity before they can access the system again. This feature ensures that if your device is left unattended or is lost or stolen, it will be difficult for anyone else to access your data or applications. Device encryption encrypts the data on the device. This feature ensures that the data on the device cannot be accessed in a useable form should the device be stolen. Remote wipe is the process of deleting data on a device in the event that the device is stolen. This is performed over remote connections such as the mobile phone service or the internet connection and helps ensure that sensitive data is not accessed by unauthorized people.
Q384. Which of the following disaster recovery strategies has the highest cost and shortest recovery time?
A. Warm site
B. Hot site
C. Cold site
D. Co-location site
Answer: B
Explanation:
A hot site is a location that can provide operations within hours of a failure. This type of site would have servers, networks, and telecommunications equipment in place to reestablish service in a short time. Hot sites provide network connectivity, systems, and preconfigured software to meet the needs of an organization. Databases can be kept up-to-date using network connections. These types of facilities are expensive, and they’re primarily suitable for short-term situations.
Q385. 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?
A. Time of day restrictions
B. Group based privileges
C. User assigned privileges
D. Domain admin restrictions
Answer: B
Explanation:
The question states that the sales department has a high employee turnover. You can assign permissions to access resources either to a user or a group. The most efficient way is to assign permissions to a group (group based privileges). Then when a new employee starts, you simply add the new user account to the appropriate groups. The user then inherits all the permissions assigned to the groups.
Up to date SY0-401 simulations:
Q386. Which of the following devices is BEST suited to protect an HTTP-based application that is susceptible to injection attacks?
A. Protocol filter
B. Load balancer
C. NIDS
D. Layer 7 firewall
Answer: D
Explanation:
An application-level gateway firewall filters traffic based on user access, group membership, the application or service used, or even the type of resources being transmitted. This type of firewall operates at the Application layer (Layer 7) of the OSI model.
Q387. Which of the following is characterized by an attack against a mobile device?
A. Evil twin
B. Header manipulation
C. Blue jacking
D. Rogue AP
Answer: C
Explanation:
A bluejacking attack is where unsolicited messages are sent to mobile devices using Bluetooth. Bluejacking is the sending of unsolicited messages over Bluetooth to Bluetooth-enabled devices such as mobile phones, PDAs or laptop computers, sending a vCard which typically contains a message in the name field (i.e., for bluedating or bluechat) to another Bluetooth-enabled device via the OBEX protocol. Bluetooth has a very limited range, usually around 10 metres (32.8 ft) on mobile phones, but laptops can reach up to 100 metres (328 ft) with powerful (Class 1) transmitters. Bluejacking is usually harmless, but because bluejacked people generally don't know what has happened, they may think that their phone is malfunctioning. Usually, a bluejacker will only send a text message, but with modern phones it's possible to send images or sounds as well. Bluejacking has been used in guerrilla marketing campaigns to promote advergames.
Q388. The finance department works with a bank which has recently had a number of cyber attacks. The finance department is concerned that the banking website certificates have been compromised. Which of the following can the finance department check to see if any of the bank’s certificates are still valid?
A. Bank’s CRL
B. Bank’s private key
C. Bank’s key escrow
D. Bank’s recovery agent
Answer: A
Explanation:
The finance department can check if any of the bank's certificates are in the CRL or not. If a certificate is not in the CRL then it is still valid. The CRL (Certificate revocation list) is exactly what its name implies: a list of subscribers paired with digital certificate status. The list enumerates revoked certificates along with the reason(s) for revocation. The dates of certificate issue, and the entities that issued them, are also included. In addition, each list contains a proposed date for the next release.
Q389. 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?
A. Peer to Peer
B. Mobile devices
C. Social networking
D. Personally owned devices
Answer: C
Explanation:
There many companies that allow full use of social media in the workplace, believing that the marketing opportunities it holds outweigh any loss in productivity. What they are unknowingly minimizing are the threats that exist. Rather than being all new threats, the social networking/media threats tend to fall in the categories of the same old tricks used elsewhere but in a new format. A tweet can be sent with a shortened URL so that it does not exceed the 140-character limit set by Twitter; unfortunately, the user has no idea what the shortened URL leads to. This makes training your employees regarding the risks social networking entails essential.
Q390. An internal audit has detected that a number of archived tapes are missing from secured storage. There was no recent need for restoration of data from the missing tapes. The location is monitored by access control and CCTV systems. Review of the CCTV system indicates that it has not been recording for three months. The access control system shows numerous valid entries into the storage location during that time. The last audit was six months ago and the tapes were accounted for at that time. Which of the following could have aided the investigation?
A. Testing controls
B. Risk assessment
C. Signed AUP
D. Routine audits
Answer: A
Explanation: