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Q281. A small company has recently purchased cell phones for managers to use while working outside if the office.
The company does not currently have a budget for mobile device management and is primarily concerned with deterring leaks if sensitive information obtained by unauthorized access to unattended phones. Which of the following would provide the solution BEST meets the company’s requirements?
A. Screen-lock
B. Disable removable storage
C. Full device encryption
D. Remote wiping
Answer: A
Explanation: 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.
Q282. An organization is implementing a password management application which requires that all local administrator passwords be stored and automatically managed. Auditors will be responsible for monitoring activities in the application by reviewing the logs. Which of the following security controls is the BEST option to prevent auditors from accessing or modifying passwords in the application?
A. Time of day restrictions
B. Create user accounts for the auditors and assign read-only access
C. Mandatory access control
D. Role-based access with read-only
Answer: D
Explanation:
Q283. Which of the following practices reduces the management burden of access management?
A. Password complexity policies
B. User account audit
C. Log analysis and review
D. Group based privileges
Answer: D
Explanation: Granting permissions to all members of a group is quicker than individually assigning them to each user. This means an administrator will spend less time on assigning permissions to users who require the same access privileges.
Q284. End-user awareness training for handling sensitive personally identifiable information would include secure storage and transmission of customer:
A. Date of birth.
B. First and last name.
C. Phone number.
D. Employer name.
Answer: A
Explanation:
Personally identifiable information (PII) is a catchall for any data that can be used to uniquely identify an individual. This data can be anything from the person’s name to a fingerprint (think biometrics), credit card number, or patient record. Date of birth is personally identifiable information.
Q285. A distributed denial of service attack can BEST be described as:
A. Invalid characters being entered into a field in a database application.
B. Users attempting to input random or invalid data into fields within a web browser application.
C. Multiple computers attacking a single target in an organized attempt to deplete its resources.
D. Multiple attackers attempting to gain elevated privileges on a target system.
Answer: C
Explanation:
A Distributed Denial of Service (DDoS) attack is an attack from several different computers targeting a single computer. One common method of attack involves saturating the target machine with external communications requests, so much so that it cannot respond to legitimate traffic, or responds so slowly as to be rendered essentially unavailable. Such attacks usually lead to a server overload.
A distributed denial-of-service (DDoS) attack occurs when multiple systems flood the bandwidth or resources of a targeted system, usually one or more web servers. Such an attack is often the result of multiple compromised systems (for example a botnet) flooding the targeted system with traffic. When a server is overloaded with connections, new connections can no longer be accepted. The major advantages to an attacker of using a distributed denial-of-service attack are that multiple machines can generate more attack traffic than one machine, multiple attack machines are harder to turn off than one attack machine, and that the behavior of each attack machine can be stealthier, making it harder to track and shut down. These attacker advantages cause challenges for defense mechanisms. For example, merely purchasing more incoming bandwidth than the current volume of the attack might not help, because the attacker might be able to simply add more attack machines. This after all will end up completely crashing a website for periods of time. Malware can carry DDoS attack mechanisms; one of the better-known examples of this was MyDoom. Its DoS mechanism was triggered on a specific date and time. This type of DDoS involved hardcoding the target IP address prior to release of the malware and no further interaction was necessary to launch the attack.
Q286. Joe, an employee, was escorted from the company premises due to suspicion of revealing trade secrets to a competitor. Joe had already been working for two hours before leaving the premises.
A security technician was asked to prepare a report of files that had changed since last night’s integrity scan.
Which of the following could the technician use to prepare the report? (Select TWO).
A. PGP
B. MD5
C. ECC
D. AES
E. Blowfish
F. HMAC
Answer: B,F
Explanation:
B: MD5 can be used to locate the data which has changed.
The Message Digest Algorithm (MD) creates a hash value and uses a one-way hash. The hash
value is used to help maintain integrity. There are several versions of MD; the most common are
MD5, MD4, and MD2.
F: A common method of verifying integrity involves adding a message authentication code (MAC)
to the message.
HMAC (Hash-Based Message Authentication Code) uses a hashing algorithm along with a
symmetric key.
Q287. When designing a new network infrastructure, a security administrator requests that the intranet web server be placed in an isolated area of the network for security purposes. Which of the following design elements would be implemented to comply with the security administrator’s request?
A. DMZ
B. Cloud services
C. Virtualization
D. Sandboxing
Answer: A
Explanation:
A demilitarized zone (DMZ) is an area of a network that is designed specifically for public users to access. The DMZ is a buffer network between the public untrusted Internet and the private trusted LAN. Often a DMZ is deployed through the use of a multihomed firewall.
Q288. 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?
A. VLAN
B. Subnet
C. VPN
D. DMZ
Answer: D
Explanation:
A DMZ or demilitarized zone (sometimes referred to as a perimeter network) is a physical or logical subnetwork that contains and exposes an organization's external-facing services to a larger and untrusted network, usually the Internet. The purpose of a DMZ is to add an additional layer of security to an organization's local area network (LAN); an external network node only has direct access to equipment in the DMZ, rather than any other part of the network. The name is derived from the term "demilitarized zone", an area between nation states in which military operation is not permitted.
Q289. A security manager requires fencing around the perimeter, and cipher locks on all entrances. The manager is concerned with which of the following security controls?
A. Integrity
B. Availability
C. Confidentiality
D. Safety
Answer: D
Explanation:
Fencing is used to increase physical security and safety. Locks are used to keep those who are unauthorized out.
Q290. When confidentiality is the primary concern, and a secure channel for key exchange is not available, which of the following should be used for transmitting company documents?
A. Digital Signature
B. Symmetric
C. Asymmetric
D. Hashing
Answer: C
Explanation:
