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NEW QUESTION # 193
Alex is administrating the firewall in the organization's network. What command will he use to check the ports applications open?
- A. Netstat -a
- B. Netstat -o
- C. Netstat -ao
- D. Netstat -an
Answer: D
Explanation:
The netstat -an command is used to display all active connections and the TCP and UDP ports on which the computer is listening, without resolving the hostnames. This command provides a list that includes both listening ports and established connections, making it a suitable choice for an administrator like Alex to check the ports that applications have opened on a firewall.
NEW QUESTION # 194
Which of the following IEEE standards defines the token passing ring topology?
- A. 802.5
- B. 802.7
- C. 802.4
- D. 802.3
Answer: A
NEW QUESTION # 195
Fred is a network technician working for Johnson Services, a temporary employment agency in Boston. Johnson Services has three remote offices in New England and the headquarters in Boston where Fred works.
The company relies on a number of customized applications to perform daily tasks and unfortunately these applications require users to be local administrators. Because of this, Fred's supervisor wants to implement tighter security measures in other areas to compensate for the inherent risks in making those users local admins. Fred's boss wants a solution that will be placed on all computers throughout the company and monitored by Fred. This solution will gather information on all network traffic to and from the local computers without actually affecting the traffic. What type of solution does Fred's boss want to implement?
- A. Fred's boss wants to implement a HIDS solution.
- B. Fred's boss wants to implement a HIPS solution.
- C. Fred's boss wants Fred to monitor a NIPS system.
- D. Fred's boss wants a NIDS implementation.
Answer: D
Explanation:
The solution described is a Network Intrusion Detection System (NIDS). A NIDS is designed to monitor and analyze network traffic for all computers on a network without affecting the traffic flow. It gathers information on potential security threats and alerts the network administrator-in this case, Fred-without taking direct action to block the traffic. This aligns with the requirement of Fred's boss for a solution that monitors network traffic and gathers information without impacting it. Unlike a Network Intrusion Prevention System (NIPS), which actively blocks potential threats, or Host-based Intrusion Detection/Prevention Systems (HIDS/HIPS), which are installed on individual hosts, a NIDS operates at the network level to monitor traffic across all systems.
NEW QUESTION # 196
Which of the following is a network that supports mobile communications across an arbitrary number of wireless LANs and satellite coverage areas?
- A. HAN
- B. GAN
- C. WAN
- D. LAN
Answer: B
Explanation:
A global area network (GAN) is a network that is used for supporting mobile communications across an arbitrary number of wireless LANs, satellite coverage areas, etc. The key challenge in mobile communications is handing off the user communications from one local coverage area to the next. Answer option B is incorrect. A wide area network (WAN) is a geographically dispersed telecommunications network. The term distinguishes a broader telecommunication structure from a local area network (LAN). A wide area network may be privately owned or rented, but the term usually connotes the inclusion of public (shared user) networks. An intermediate form of network in terms of geography is a metropolitan area network (MAN). A wide area network is also defined as a network of networks, as it interconnects LANs over a wide geographical area. Answer option D is incorrect. A home area network (HAN) is a residential LAN that is used for communication between digital devices typically deployed in the home, usually a small number of personal computers and accessories, such as printers and mobile computing devices. Answer option A is incorrect. The Local Area Network (LAN) is a group of computers connected within a restricted geographic area, such as residence, educational institute, research lab, and various other organizations. It allows the users to share files and services, and is commonly used for intra-office communication. The LAN has connections with other LANs via leased lines, leased services, or by tunneling across the Internet using the virtual private network technologies.
NEW QUESTION # 197
Which Internet access policy starts with all services blocked and the administrator enables safe and necessary services individually, which provides maximum security and logs everything, such as system and network activities?
- A. Prudent policy
- B. Internet access policy
- C. Permissive policy
- D. Paranoid policy
Answer: A
NEW QUESTION # 198
Which of the following are the six different phases of the Incident handling process? Each correct answer represents a complete solution. Choose all that apply.
- A. Containment
- B. Preparation
- C. Identification
- D. Recovery
- E. Eradication
- F. Post mortem review
- G. Lessons learned
Answer: A,B,C,D,E,G
Explanation:
Following are the six different phases of the Incident handling process:
1.Preparation: Preparation is the first step in the incident handling process. It includes processes like backing up copies of all key data on a regular basis, monitoring and updating software on a regular basis, and creating and implementing a documented security policy. To apply this step a documented security policy is formulated that outlines the responses to various incidents, as a reliable set of instructions during the time of an incident.
The following list contains items that the incident handler should maintain in the preparation phase i.e. before an incident occurs:
Establish applicable policies
Build relationships with key players
Build response kit
Create incident checklists
Establish communication plan
Perform threat modeling
Build an incident response team
Practice the demo incidents
2.Identification: The Identification phase of the Incident handling process is the stage at which the Incident handler evaluates the critical level of an incident for an enterprise or system. It is an important stage where the distinction between an event and an incident is determined, measured and tested.
3.Containment: The Containment phase of the Incident handling process supports and builds up the incident combating process. It helps in ensuring the stability of the system and also confirms that the incident does not get any worse.
4.Eradication: The Eradication phase of the Incident handling process involves the cleaning-up of the identified harmful incidents from the system. It includes the analyzing of the information that has been gathered for determining how the attack was committed. To prevent the incident from happening again, it is vital to recognize how it was conceded out so that a prevention technique is applied.
5.Recovery: Recovery is the fifth step of the incident handling process. In this phase, the Incident Handler places the system back into the working environment. In the recovery phase the Incident Handler also works with the questions to validate that the system recovery is successful. This involves testing the system to make sure that all the processes and functions are working normal. The Incident Handler also monitors the system to make sure that the systems are not compromised again. It looks for additional signs of attack.
6.Lessons learned: Lessons learned is the sixth and the final step of incident handling process. The Incident Handler utilizes the knowledge and experience he learned during the handling of the incident to enhance and improve the incident-handling process. This is the most ignorant step of all incident handling processes. Many times the Incident Handlers are relieved to have systems back to normal and get busy trying to catch up other unfinished work. The Incident Handler should make documents related to the incident or look for ways to improve the process.
Answer option C is incorrect. The post mortem review is one of the phases of the Incident response process.
NEW QUESTION # 199
Which of the following is a type of computer security that deals with protection against spurious signals emitted by electrical equipment in the system?
- A. Emanation Security
- B. Communication Security
- C. Hardware security
- D. Physical security
Answer: A
Explanation:
Explanation
Explanation:
Emanation security is one of the types of computer security that deals with protection against spurious signals emitted by electrical equipment in the system, such as electromagnetic emission (from displays), visible emission (displays may be visible through windows), and audio emission (sounds from printers, etc). Answer option D is incorrect. Hardware security helps in dealing with the vulnerabilities in the handling of hardware.
Answer option B is incorrect. Physical security helps in dealing with protection of computer hardware and associated equipment.
Answer option A is incorrect. Communication security helps in dealing with the protection of data and information during transmission.
NEW QUESTION # 200
Which of the following is a Unix and Windows tool capable of intercepting traffic on a network segment and capturing username and password?
- A. BackTrack
- B. Ettercap
- C. Aircrack
- D. AirSnort
Answer: B
Explanation:
Ettercap is a Unix and Windows tool for computer network protocol analysis and security auditing. It is capable of intercepting traffic on a network segment, capturing passwords, and conducting active eavesdropping against a number of common protocols. It is a free open source software. Ettercap supports active and passive dissection of many protocols (including ciphered ones) and provides many features for network and host analysis. Answer option C is incorrect. BackTrack is a Linux distribution distributed as a Live CD, which is used for penetration testing. It allows users to include customizable scripts, additional tools and configurable kernels in personalized distributions. It contains various tools, such as Metasploit integration, RFMON injection capable wireless drivers, kismet, autoscan-network (network discovering and managing application), nmap, ettercap, wireshark (formerly known as Ethereal). Answer option A is incorrect. AirSnort is a Linux-based WLAN WEP cracking tool that recovers encryption keys. AirSnort operates by passively monitoring transmissions. It uses Ciphertext Only Attack and captures approximately 5 to 10 million packets to decrypt the WEP keys. Answer option D is incorrect. Aircrack is the fastest WEP/WPA cracking tool used for 802.11a/b/g WEP and WPA cracking.
NEW QUESTION # 201
A CCTV camera, which can be accessed on the smartphone from a remote location, is an example of _____
- A. Device-to-Gateway communication model
- B. Device-to-Device communication model
- C. Device-to-Cloud communication model
- D. Back-End Data-Sharing communication model
Answer: C
Explanation:
A CCTV camera that can be accessed on a smartphone from a remote location typically uses the Device-to-Cloud communication model. This model involves devices that connect directly to the cloud where data is stored and processed. Users can access this data through an application on their smartphones, allowing for remote monitoring and control. This setup is common for IP cameras that transmit data over the internet, enabling users to view live footage or recordings from anywhere with an internet connection123.
NEW QUESTION # 202
Paul is a network security technician working on a contract for a laptop manufacturing company in Chicago. He has focused primarily on securing network devices, firewalls, and traffic traversing in and out of the network. He just finished setting up a server a gateway between the internal private network and the outside public network. This server will act as a proxy, limited amount of services, and will filter packets. What is this type of server called?
- A. SOCKS hsot
- B. Session layer firewall
- C. Edge transport server
- D. Bastion host
Answer: D
Explanation:
The server described in the question is known as a Bastion host. A Bastion host is a special-purpose computer on a network specifically designed and configured to withstand attacks. It is typically placed in a network's demilitarized zone (DMZ) and acts as a proxy server, offering limited services and filtering packets to protect the internal private network from the public network. It is hardened due to its exposure to potential attacks and usually hosts a single application, like a proxy server, while all other services are removed or limited to reduce the threat surface1.
NEW QUESTION # 203
Which of the following is a tool that runs on the Windows OS and analyzes iptables log messages to detect port scans and other suspicious traffic?
- A. Nmap
- B. NetRanger
- C. Hping
- D. PSAD
Answer: D
Explanation:
PSAD is a tool that runs on the Windows OS and analyzes iptables log messages to detect port scans and other suspicious traffic. It includes many signatures from the IDS to detect probes for various backdoor programs such as EvilFTP, GirlFriend, SubSeven, DDoS tools (mstream, shaft), and advanced port scans (FIN, NULL, XMAS). If it is combined with fwsnort and the Netfilter string match extension, it detects most of the attacks described in the Snort rule set that involve application layer data. Answer option C is incorrect. NetRanger is the complete network configuration and information toolkit that includes the following tools: a Ping tool, Trace Route tool, Host Lookup tool, Internet time synchronizer, Whois tool, Finger Unix hosts tool, Host and port scanning tool, check multiple POP3 mail accounts tool, manage dialup connections tool, Quote of the day tool, and monitor Network Settings tool. These tools are integrated in order to use an application interface with full online help. NetRanger is designed for both new and experienced users. This tool is used to help diagnose network problems and to get information about users, hosts, and networks on the Internet or on a user computer network. NetRanger uses multi-threaded and multi-connection technologies in order to be very fast and efficient. Answer option D is incorrect. Nmap is a free open-source utility for network exploration and security auditing. It is used to discover computers and services on a computer network, thus creating a "map" of the network. Just like many simple port scanners, Nmap is capable of discovering passive services. In addition, Nmap may be able to determine various details about the remote computers. These include operating system, device type, uptime, software product used to run a service, exact version number of that product, presence of some firewall techniques and, on a local area network, even vendor of the remote network card. Nmap runs on Linux, Microsoft Windows, etc.
NEW QUESTION # 204
FILL BLANK
Fill in the blank with the appropriate term.
A ______________ is a physical or logical subnetwork that contains and exposes external services of an
organization to a larger network.
Answer:
Explanation:
demilitarized zone
Explanation:
A demilitarized zone (DMZ) is a physical or logical subnetwork that contains and exposes external services of
an organization to a larger 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 attacker only has access to equipment in
the DMZ, rather than the whole of the network. Hosts in the DMZ have limited connectivity to specific hosts in
the internal network, though communication with other hosts in the DMZ and to the external network is allowed.
This allows hosts in the DMZ to provide services to both the internal and external networks, while an
intervening firewall controls the traffic between the DMZ servers and the internal network clients. In a DMZ
configuration, most computers on the LAN run behind a firewall connected to a public network such as the
Internet.
NEW QUESTION # 205
Which of the following acts as a verifier for the certificate authority?
- A. Registration authority
- B. Certificate authority
- C. Directory management system
- D. Certificate Management system
Answer: A
NEW QUESTION # 206
Who is responsible for conveying company details after an incident?
- A. PR specialist
- B. IR manager
- C. IR officer
- D. IR custodians
Answer: A
NEW QUESTION # 207
The IP addresses reserved for experimental purposes belong to which of the following classes?
- A. Class C
- B. Class D
- C. Class E
- D. Class A
Answer: C
NEW QUESTION # 208
Which of the following is a type of computer security that deals with protection against spurious signals emitted by electrical equipment in the system?
- A. Emanation Security
- B. Communication Security
- C. Hardware security
- D. Physical security
Answer: A
NEW QUESTION # 209
Which of the following steps will NOT make a server fault tolerant? Each correct answer represents a complete solution. Choose two.
- A. Implementing cluster servers facility
- B. Performing regular backup of the server
- C. Encrypting confidential data stored on the server
- D. Adding one more same sized disk as mirror on the server
- E. Adding a second power supply unit
Answer: B,C
Explanation:
Encrypting confidential data stored on the server and performing regular backup will not make the server fault tolerant. Fault tolerance is the ability to continue work when a hardware failure occurs on a system. A fault-tolerant system is designed from the ground up for reliability by building multiples of all critical components, such as CPUs, memories, disks and power supplies into the same computer. In the event one component fails, another takes over without skipping a beat. Answer options A, C, and D are incorrect. The following steps will make the server fault tolerant: Adding a second power supply unit Adding one more same sized disk as a mirror on the serverImplementing cluster servers facility
NEW QUESTION # 210
You are monitoring your network traffic with the Wireshark utility and noticed that your network is experiencing a large amount of traffic from certain region. You suspect a DoS incident on the network.
What will be your first reaction as a first responder?
- A. Make an initial assessment
- B. Communicate the incident
- C. Avoid Fear, Uncertainty and Doubt
- D. Disable Virus Protection
Answer: A
Explanation:
As a first responder to a suspected DoS incident, the initial step is to make an assessment of the situation. This involves analyzing the network traffic using tools like Wireshark to confirm the nature of the traffic and determine if it is indeed a DoS attack. The assessment will help in understanding the scope and impact of the incident and is crucial for deciding the subsequent steps in the response process123.
NEW QUESTION # 211
What is the range for registered ports?
- A. 49152 through 65535
- B. 1024 through 49151
- C. 0 through 1023
- D. Above 65535
Answer: B
NEW QUESTION # 212
Which of the following is a term to describe the use of inert gases and chemical agents to extinguish a fire?
- A. Fire alarm system
- B. Gaseous fire suppression
- C. Fire suppression system
- D. Fire sprinkler
Answer: B
NEW QUESTION # 213
Management wants to calculate the risk factor for their organization. Kevin, a network administrator in the organization knows how to calculate the risk factor. Certain parameters are required before calculating risk factor. What are they? (Select all that apply) Risk factor =.............X...............X...........
- A. Attack
- B. Threat
- C. Vulnerability
- D. Impact
Answer: B,C,D
NEW QUESTION # 214
Which of the following is a management process that provides a framework for promoting quick recovery and the capability for an effective response to protect the interests of its brand, reputation, and stakeholders?
- A. Incident handling
- B. Business Continuity Management
- C. Log analysis
- D. Patch management
Answer: B
Explanation:
Business Continuity Management is a management process that determines potential impacts that are likely to threaten an organization. It provides a framework for promoting quick recovery and the capability for an effective response to protect the interests of its brand, reputation, and stakeholders. Business continuity management includes disaster recovery, business recovery, crisis management, incident management, emergency management, product recall, contingency planning, etc.
Answer option B is incorrect. Patch management is an area of systems management that involves acquiring, testing, and installing multiple patches (code changes) to an administered computer system. Patch management includes the following tasks:
Maintaining current knowledge of available patches
Deciding what patches are appropriate for particular systems
Ensuring that patches are installed properly
Testing systems after installation, and documenting all associated procedures, such as specific configurations required A number of products are available to automate patch management tasks, including Ring Master's Automated Patch Management, Patch Link Update, and Gibraltar's Ever guard.
Answer option A is incorrect. This option is invalid.
Answer option C is incorrect. Incident handling is the process of managing incidents in an Enterprise, Business, or an Organization. It involves the thinking of the prospective suitable to the enterprise and then the implementation of the prospective in a clean and manageable manner.
It involves completing the incident report and presenting the conclusion to the management and providing ways to improve the process both from a technical and administrative aspect. Incident handling ensures that the overall process of an enterprise runs in an uninterrupted continuity.
NEW QUESTION # 215
Which of the following is a firewall that keeps track of the state of network connections traveling across it?
- A. Stateless packet filter firewall
- B. Application gateway firewall
- C. Stateful firewall
- D. Circuit-level proxy firewall
Answer: C
NEW QUESTION # 216
Fred is a network technician working for Johnson Services, a temporary employment agency in Boston.
Johnson Services has three remote offices in New England and the headquarters in Boston where Fred works.
The company relies on a number of customized applications to perform daily tasks and unfortunately these applications require users to be local administrators. Because of this, Fred's supervisor wants to implement tighter security measures in other areas to compensate for the inherent risks in making those users local admins. Fred's boss wants a solution that will be placed on all computers throughout the company and monitored by Fred. This solution will gather information on all network traffic to and from the local computers without actually affecting the traffic. What type of solution does Fred's boss want to implement?
- A. Fred's boss wants to implement a HIDS solution.
- B. Fred's boss wants to implement a HIPS solution.
- C. Fred's boss wants a NIDS implementation.
- D. Fred's boss wants Fred to monitor a NIPS system.
Answer: A
NEW QUESTION # 217
Which of the following is a mechanism that helps to ensure that only the intended and authorized recipients are able to read the data?
- A. confidence
- B. none
- C. integrity
- D. authentication
- E. access to information
Answer: A
NEW QUESTION # 218
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