Chapter 4

Which of the following describes a configuration baseline?

A list of common security settings that a group or all devices share

Which of the following is the strongest form of multi-factor authentication?

A password, a biometric scan, and a token device

You have hired 10 new temporary workers who will be with the company for three months. You want to make sure that the user accounts cannot be used for login after that time period. What should you do?

Configure account expiration in the user accounts.

You want to close all ports associated with NetBIOS on your network's firewalls to prevent attacks directed against NetBIOS. Which ports should you close?

135, 137-139

To transfer files to your company's internal network from home, you use FTP. The administrator has recently implemented a firewall at the network perimeter and disabled as many ports as possible. Now, you can no longer make the FTP connection. You suspect the firewall is causing the issue. Which ports need to remain open so you can still transfer the files? (Select two.)

20

To increase security on your company's internal network, the administrator has disabled as many ports as possible. However, now you can browse the internet, but you are unable to perform secure credit card transactions. Which port needs to be enabled to allow secure transactions?

443

You have a shared folder named Reports. Members of the Managers group have been given Write access to the shared folder. Mark Mangum is a member of the Managers group. He needs access to the files in the Reports folder, but he should not have any access to the Confidential.xls file. What should you do?

Add Mark Mangum to the ACL for the Confidential.xls file with Deny permissions.

What does the netstat -a command show?

All listening and non-listening sockets

You have configured the following rules. What is the effect? sudo iptables -A INPUT -p tcp --dport 25 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPTsudo iptables -A OUTPUT -p tcp --sport 25 -m conntrack --ctstate ESTABLISHED -j ACCEPT

Allow SMTP traffic

You have just purchased a new network device and are getting ready to connect it to your network. Which of the following actions should you take to increase its security? (Select two.)

Apply all patches and updates

You want to give all managers the ability to view and edit a certain file. To do so, you need to edit the discretionary access control list (DACL) associated with the file. You want to be able to easily add and remove managers as their job positions change. What is the BEST way to accomplish this?

Create a security group for the managers. Add all users as members of the group. Add the group to the file's DACL.

As you go through the process of making your network more manageable, you discover that employees in the sales department are on the same network segment as the human resources department. Which of the following steps can be used to isolate these departments?

Create a separate VLAN for each department

Which type of update should be prioritized even outside of a normal patching window?

Critical updates

Which of the following do security templates allow you to do? (Select two.)

Quickly apply settings to multiple computers, Configure consistent security settings between devices

Which type of packet would the sender receive if they sent a connection request to TCP port 25 on a server with the following command applied? sudo iptables -A OUTPUT -p tcp --dport 25 -j REJECT

RST

If Mark has a read-write permission to the share \\fileserver\securefiles and a read-only permission to the file coolstuff.docx on the NTFS file system shared by the file share, he is able to perform which action?

Read the file

Which of the following file transfer protocols use SSH to provide confidentiality during the transfer? (Select two.)

SCP, SFTP

For Milestone 4 (Reach Your Network), which of the following would be considered a secure protocol to use to reach your network?

SSH

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

SSL

Which of the following is defined as an operating system that comes hardened and validated to a specific security level as defined in the Common Criteria for Information Technology Security Evaluation (CC)?

TOS

You have recently experienced a security incident with one of your servers. After some research, you determine that a new hotfix has recently been released, which would have protected the server. Which of the following recommendations should you follow when applying the hotfix?

Test the hotfix and then apply it to all servers

Which command should you use to display both listening and non-listening sockets on your Linux system? (Tip: enter the command as if in Command Prompt.)

netstat -a

You need to increase the security of your Linux system by finding and closing open ports. Which of the following commands should you use to locate open ports?

nmap

Which command should you use to scan for open TCP ports on your Linux system? (Tip: enter the command as if in Command Prompt.)

nmap -sT

Which command would you use to list all of the currently defined iptables rules?

sudo iptables -L

You want to make sure no unneeded software packages are running on your Linux server. Select the command from the drop-down list that you can use to see all installed RPM packages.

yum list installed

In which milestone should you use a network scanner and then confirm the scan manually with a room-by-room walkthrough?

Map your network

Which Microsoft tool can be used to review a system's security configuration against recommended settings?

Microsoft Baseline Security Analyzer

You have a file server named Srv3 that holds files used by the development department. You want to allow users to access the files over the network and control access to files accessed through the network or through a local logon. Which solution should you implement?

NTFS and share permissions

You have placed a File Transfer Protocol (FTP) server in your DMZ behind your firewall. The FTP server is to be used to distribute software updates and demonstration versions of your products. However, users report that they are unable to access the FTP server. What should you do to enable access?

Open ports 20 and 21 for inbound and outbound connections

Windows Server Update Services (WSUS) is used to accomplish which part of a manageable network?

Patch Management

You have recently been hired as the new network administrator for a startup company. The company's network was implemented prior to your arrival. One of the first tasks you need to complete in your new position is to develop a manageable network plan for the network. You have already completed the first and second milestones, in which documentation procedures were identified and the network was mapped. You are now working on the third milestone, which is identifying ways to protect the network. Which tasks should you complete as a part of this milestone? (Select two.)

Physically secure high-value systems, Identify and document each user on the network

Which of the following actions should you take to reduce the attack surface of a server?

Disable unused services

Documenting procedures and processes are part of which milestone in the NSA's Manageable Network Plan?

Document your network

Which action would you use in a rule to disallow a connection silently?

Drop

What should you consider security baselines?

Dynamic

Which of the following tools can you use on a Windows network to automatically distribute and install software and operating system patches on workstations? (Select two.)

Group Policy, WSUS

By definition, what is the process of reducing security exposure and tightening security controls?

Hardening

Prepare to Document means establishing the process you will use to document your network. Which of the following makes this documentation more useful?

Have a printed hard copy kept in a secure location

In which of the iptables default chains would you configure a rule to allow an external device to access the HTTPS port on the Linux server?

Input