Security+ Questions that i need to work on

security-questions-that-i-need-to-work-on

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You want to be able to identify the services running on a set of servers on your network. Which tool would best give you the information you need?

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Use a vulnerability scanner to gather information about systems, such as the applications or services running on the system. The vulnerability scanner often combines functions found in other tools and can perform additional functions, such as identifying open firewall ports, missing patches, and default or blank passwords. A port scanner is a tool that probes systems for open ports. The port scanner will tell you which ports are opened in the firewall, but it cannot identify services running on a server if the firewall port has been closed. A network mapper is a tool that can discover devices on the network and shows those devices in a graphical representation. Network mappers typically use a ping scan to discover devices and a port scanner to identify open ports on those devices. Use a protocol analyzer to identify traffic that is sent on the network medium and traffic sources. Services could still be running on a server that do not generate network traffic a protocol analyzer can catch.

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Drag each penetration test characteristic on the left to the appropriate penetration test name on the right.

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Penetration testing is classified by the knowledge that the attacker and system personnel have prior to the attack. • In a black box test, the tester has no prior knowledge of the target system. • In a white box test, the tester has detailed information prior to starting the test. • In a grey box test, the tester has the same amount of information that would be available to a typical insider in the organization. • A single blind test is one in which one side has advanced knowledge. For example, either the attacker has prior knowledge about the target system, or the defender has knowledge about the impending attack. • A double blind test is one in which the penetration tester does not have prior information about the system and the network administrator has no knowledge that the test is being performed. The double blind test provides more accurate information about the security of the system.

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White box test
Grey box test
Black box test
Single blind test
Double blind test

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The tester has the same amount of information that would be available to a typical insider in the organization.
The tester does not have prior information about the system and the administrator has no knowledge that the test is being performed.
The tester has detailed information about the target system prior to starting the test.
The tester has no prior knowledge of the target system.
Either the attacker has prior knowledge about the target system, or the administrator knows that the test is being performed.

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Your organization recently purchased 18 iPad tablets for use by the organization's management team. These devices have iOS pre-installed on them. To increase the security of these devices, you want to apply a default set of security-related configuration settings. What is the best approach to take to accomplish this? (Select two. Each option is a part of a complete solution.)

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A mobile device management (MDM) solution can be implemented that pushes security policies directly to each tablet device over a network connection. This option enables policies to be remotely enforced and updated without any action by the end user. The tablet devices must be enrolled in the MDM system before the policy settings can be applied. One of the key problems associated with managing mobile devices is the fact that they can't be joined to a Windows domain. This means Group Policy can't be used to automatically push security settings to mobile devices. For devices running Apple's iOS operating system, security settings can be distributed in a configuration profile. The profile can be defined so that only an administrator can delete the profile, or you can lock the profile to the device so that it cannot be removed without completely erasing the device. However, this option relies on the end user to install the profile, which can be problematic. It's also not a dynamic strategy; making even the smallest change to your mobile device security policies requires a great deal of effort.

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Which remote access authentication protocol allows for the use of smart cards for authentication?

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Extensible authentication protocol (EAP) is a set of interface standards that allows you to use various authentication methods, including smartcards, biometrics, and digital certificates. Password authentication protocol (PAP) transmits login credentials in cleartext. Challenge handshake authentication protocol (CHAP) protects login credentials using a hash and allows for periodic re-authentication. Point-to-point protocol (PPP) and serial line interface protocol (SLIP) are not remote access authentication protocols; they are used to establish the connection, but do not provide authentication.

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You've just finished installing a wireless access point for a client. What should you do to prevent unauthorized users from using the access point (AP) configuration utility?

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Explicación

You should change the administrative password used by the AP. Many AP manufacturers use a default administrative user name and password that are well known. If you don't change these parameters, anyone connecting to the AP can easily guess the password required to access the AP's configuration utility.

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You want to increase the security of your network by allowing only authenticated users to access network devices through a switch. Which of the following should you implement?

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Explicación

802.1x authentication is an authentication method used on a LAN to allow or deny access based on a port or connection to the network. 802.1x is used for port authentication on switches and authentication to wireless access points. 802.1x requires an authentication server for validating user credentials. This server is typically a RADIUS server. Authenticated users are allowed full access to the network; unauthenticated users only have access to the RADIUS server. Port security uses the MAC address to allow or deny connections based on the MAC address of the device, not user authentication. Spanning tree is a protocol for identifying multiple paths through a switched network. IPsec is a tunneling protocol that adds encryption to packets.

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In which of the following situations would you use port security?

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Explicación

Use port security on a switch to restrict the devices that can connect to a switch. Port security uses the MAC address to identify allowed and denied devices. When an incoming frame is received, the switch examines the source MAC address to decide whether to forward or drop the frame. Port security cannot prevent sniffing or MAC address spoofing attacks. Use an access list on a router to control sent and received packets.

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You decide to use a packet sniffer to identify the type of traffic sent to a router. You run the packet sniffing software on a device that is connected to a hub with three other computers. The hub is connected to the same switch that is connected to the router. When you run the software, you see frames addressed to the four workstations, but not to the router. Which feature should you configure?

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Explicación

A switch will only forward packets to the switch port that holds a destination device. This means that when your packet sniffer is connected to a switch port, it will not see traffic sent to other switch ports. To configure the switch to send all frames to the packet sniffing device, configure port mirroring on the switch. With port mirroring, all frames sent to all other switch ports will be forwarded on the mirrored port. Promiscuous mode configures a network adapter to process every frame it sees, not just the frames addressed to that network adapter. In this scenario, you know that the packet sniffer is running in promiscuous mode because it can already see frames sent to other devices. Bonding logically groups two or more network adapters to be used at the same time for a single logical network connection. Spanning tree runs on a switch and ensures that there is only one active path between switches, allowing for backup redundant paths.

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You want to ensure that all users in the Development OU have a common set of network communication security settings applied. Which action should you take?

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Explicación

Network communication security settings are configured in the Computer Policies section of a GPO. Built-in containers (such as the Computers container) and folders cannot be linked to a GPO.

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SFTP uses which mechanism to provide security for authentication and data transfer?

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Explicación

SSH File Transfer Protocol uses Secure Shell (SSH) to provide security for authentication and data transfer. FTPS uses SSL to secure FTP traffic. You can also secure FTP traffic by establishing an IPsec tunnel between the client and the server, but IPsec is established independently of FTP.

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You are interested in identifying the source of potential attacks that have recently been directed against your network but which have been successfully blocked. Which log would you check?

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Explicación

A firewall log identifies traffic that has been allowed or denied through a firewall. You can detect attempted attacks by examining firewall logs and looking for traffic allowed or blocked by the firewall. A security log records information related to logons, such as incorrect passwords being used, and the use of user rights. An application log records actions performed by an application. A performance log records information about the use of system resources.

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You are concerned that an attacker can gain access to your Web server, make modifications to the system, and alter the log files to hide his actions. Which of the following actions would best protect the log files?

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Explicación

The best protection is to save log files to a remote server. In this way, compromise of a system does not provide access to the log files for that system. Configuring permissions on the log files would allow access for only the specified user accounts. However, if an attacker has gained access to the system, he might also have access to the user accounts that have been given access to the log files. Encrypting the log files protects the contents from being read, but does not prevent the files from being deleted. Hashing of log files ensures integrity for the files to prove that the files have not been altered since they were created.

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You decide to use syslog to send log entries from multiple servers to a central logging server. Which of the following are the most important considerations for your implementation? (Select two.)

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Explicación

A best practice to secure log files is to save the archived logs to a remote log server. Archived log server considerations include: • The amount of disk space required to save the files on the server. • Backup requirements on the server. • Time stamping to ensure that the computer generating the event and the computer where the logs are saved have common system clocks. • Integrity of the logs to ensure logs have not been modified. Retention policies and disk space available for saving files is a consideration on the syslog server, not on the individual syslog clients. A fast network connection is not a requirement for using a remote logging solution.

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You have worked as the network administrator for a company for seven months. One day, all picture files on the server become corrupted. You discover that a user downloaded a virus from the internet onto his workstation that propagated to the server. You successfully restore all files from backup, but your boss is adamant that this situation does not reoccur. What should you do?

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Explicación

Virus detection software can almost eliminate the threat of viruses on your network. Versions exist that automatically update virus databases every time you connect to the internet. A network solution is preferable because it is less expensive and easier to administer than individual workstation software.

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As a security precaution, you have implemented IPsec that is used between any two devices on your network. IPsec provides encryption for traffic between devices. You would like to implement a solution that can scan the contents of the encrypted traffic to prevent any malicious attacks. Which solution should you implement?

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Explicación

A host-based IDS is installed on a single host and monitors all traffic coming in to the host. A host-based IDS can analyze encrypted traffic because the host operating system decrypts that traffic as it is received. A network-based IDS is a dedicated device installed on the network. It analyzes all traffic on the network. It cannot analyze encrypted traffic because the packet contents are encrypted so that only the recipient can read the packet contents. A protocol analyzer examines packets on the network, but cannot look at the contents of encrypted packets. A port scanner probes a device to identify open protocol ports. A VPN concentrator is a device used to establish remote access VPN connections.

Security+ Questions that i need to work on

Pregunta 1 of 1

Tiempo Restante

You want to be able to identify the services running on a set of servers on your network. Which tool would best give you the information you need?

Seleccione las respuestas correctas

(0/0)

Explicación

Drag each penetration test characteristic on the left to the appropriate penetration test name on the right.

Haga coincidir el texto (haga clic y arrastre)

(0/0)

Explicación

White box test

Grey box test

Black box test

Single blind test

Double blind test

The tester has the same amount of information that would be available to a typical insider in the organization.

The tester does not have prior information about the system and the administrator has no knowledge that the test is being performed.

The tester has detailed information about the target system prior to starting the test.

The tester has no prior knowledge of the target system.

Either the attacker has prior knowledge about the target system, or the administrator knows that the test is being performed.

Seleccione las respuestas correctas

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Explicación

Which remote access authentication protocol allows for the use of smart cards for authentication?

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Explicación

You've just finished installing a wireless access point for a client. What should you do to prevent unauthorized users from using the access point (AP) configuration utility?

Seleccione las respuestas correctas

(0/0)

Explicación

You want to increase the security of your network by allowing only authenticated users to access network devices through a switch. Which of the following should you implement?

Seleccione las respuestas correctas

(0/0)

Explicación

In which of the following situations would you use port security?

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Explicación

Seleccione las respuestas correctas

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Explicación

You want to ensure that all users in the Development OU have a common set of network communication security settings applied. Which action should you take?

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(0/0)

Explicación

SFTP uses which mechanism to provide security for authentication and data transfer?

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Explicación

You are interested in identifying the source of potential attacks that have recently been directed against your network but which have been successfully blocked. Which log would you check?

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(0/0)

Explicación

You are concerned that an attacker can gain access to your Web server, make modifications to the system, and alter the log files to hide his actions. Which of the following actions would best protect the log files?

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(0/0)

Explicación

You decide to use syslog to send log entries from multiple servers to a central logging server. Which of the following are the most important considerations for your implementation? (Select two.)

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Explicación

Seleccione las respuestas correctas

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Explicación

Seleccione las respuestas correctas

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