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This chapter is from the book

Objective 3.5: Security Baselines

  1. Which of the following items relates to the fundamental principal of implementing security measures on computer equipment to ensure that minimum standards are being met?

    1. Security baselines

    2. Security policies

    3. Security standards

    4. Security countermeasures

Objectives 3.5.1: OS/NOS Hardening (Concepts and Processes)

  1. You have just installed a Network Operating System (NOS) and want to establish a security baseline. Which of the following tasks should you perform to harden your new NOS? (Select all that apply.)

    1. Check the installation CD for a valid expiration date

    2. Check the manufacture's Web site for any additional service patches for the NOS

    3. Lock the back of the computer with a padlock

    4. Disable any unused services

Objective 3.5.1.1. File System

  1. Which of the following file systems allows for both file and folder level permissions?

    1. FAT

    2. FAT16

    3. FAT32

    4. NTFS

  2. You want to harden your Linux file system by modifying folder permissions. Which command allows you to change folder permissions on a Linux system?

    1. chmod

    2. ls

    3. ls –l

    4. top

  3. When would you consider restoring a clean version of a file from a backup?

    1. When you are in a financial position to do so

    2. When you have time to do so

    3. When things are quiet at night

    4. When a system file has become infected

Objective 3.5.1.2: Updates (Hotfixes, Service Packs, and Patches)

  1. You frequently browse the Internet for new products and updates. You notice that one of your computer manufacturers has distributed a new security patch. When should you install this update?

    1. As soon as possible to prevent catastrophic security threats

    2. After you have tested the security patch on a nonproduction server

    3. After you have called the manufacturer to verify the source

    4. After you have verified that patch for safety on a production server

Objective 3.5.2: Network Hardening

  1. Even in a large, mixed environment, TCP/IP is the protocol of choice for most networks. Which of the following protocols would you want to deny passage over your Firewall?

    1. TCP

    2. IP

    3. IPX/SPX

    4. NetBEUI

Objective 3.5.2.1: Updates (Firmware)

  1. Which of the following terms refers to actions taken by a programmer to fix logic errors in a program under development before actual production?

    1. Compiling

    2. Compressing

    3. Debugging

    4. Degaussing

Objective 3.5.2.2: Configuration

  1. Which of the following steps might be appropriate to harden your network system? (Select all that apply.)

    1. Configure ACL settings on select servers

    2. Configure your servers to have unused services disabled

    3. Configure your servers to all run NAT

    4. Configure your servers to all run in promiscuous mode

Objective 3.5.2.2.1: Enabling and Disabling Services and Protocols
  1. Which of the following is the best method to disable services?

    1. Verify the dependencies of all unused services before removing

    2. Verify the dependencies of all active services before removing

    3. Verify the dependencies of all unused services after removing

    4. Verify the dependencies of all active services after removing

  2. There are several common TCP and UDP ports, some of which you may wish to disable. List the matching service provided by ports 20, 21, 23, 25, 42, 53, 67, 70, 80, 110, 119, 135, 139, 161, and 443. How many common ports do you recognize?

    1. At least 13 of the 15 ports

    2. At least 10 of the 15 ports

    3. At least 5 of the 15 ports

    4. At least 2 of the 15 ports

  3. Your network administrator has found one of your unused server services enabled. What should you do?

    1. Disable the unused service for security reasons after verifying dependencies

    2. Monitor the unused service for security reasons before verifying dependencies

    3. Troubleshoot the unused service for security reasons and functionality

    4. Maintain the enabled unused service for security reasons and functionality

Objective 3.5.2.2.2: Access Control Lists
  1. Which of the following hardening methods gives you the capability to deny access to one individual computer by IP address or computer name?

    1. NTFS permissions

    2. Authentication keys

    3. PKI

    4. Access control lists

Objective 3.5.3: Application Hardening

  1. Which of the following relates best to application hardening?

    1. Buying the most recent application version available

    2. Buying the most recent software package available

    3. Configuring network applications with the most recent updates and service packs

    4. Testing the most recent hotfixes, service packs, and patches after purchasing

Objective 3.5.3.1: Updates (Hotfixes, Service Packs, and Patches)

  1. You are responsible for your network security. Where would you go to ensure that you have the most current network updates, including hotfixes, service packs, and patches?

    1. Your purchasing manager

    2. Your CEO

    3. The manufacturer's Web site

    4. Your network administrator

Objective 3.5.3.2: Web Servers

  1. You have added a new Web server to your network. Which of the following are sound practices when checking a Web server for security features? (Select all that apply.)

    1. Check with the vendor for the latest security patches for the Web software

    2. Check the Web Server for any additional unused services

    3. Check the Web Server for date of software distribution

    4. Check the Internet for any reports of software vulnerabilities

Objective 3.5.3.3: Email Servers

  1. Your small company is growing and has decided to host a Web page and dedicate a server for email. What protocol is used to support email traffic?

    1. ARP

    2. DNS

    3. SMTP

    4. IM

  2. Which of the following functions has an email message relay agent?

    1. SMTP

    2. SNMP

    3. S/MIME

    4. LDAP

  3. You desire to protect your email server. What should you configure to protect your email server? (Select all that apply.)

    1. SMTP relay settings

    2. SNMP relay settings

    3. Antivirus software

    4. Access control permissions

Objective 3.5.3.4: FTP Servers

  1. What is the primary purpose of an FTP server?

    1. Simplify storage of files

    2. Allow for backup storage of files

    3. Report security violations of files

    4. Facilitate transfer of files

  2. Which of the following is frequently used to send and receive text-based files and messages, including router configurations and ACL information?

    1. File Transport Protocol (FTP)

    2. Trivial File Transfer Protocol (TFTP)

    3. Fast File Transfer Protocol (FFTP)

    4. Trivial Transport Protocol (TTP)

Objective 3.5.3.5: DNS Servers

  1. What is the primary function of a DNS server?

    1. Resolve 32-bit addresses in IPv4

    2. Find other DNS servers

    3. Resolve Fully Qualified Domain Names to IP addresses

    4. Find MAC, 48-bit hardware addresses

  2. Which of the following is one of the most important tasks to perform when hardening a DNS server?

    1. Check the forward lookup zone for proper connections

    2. Perform a DNS recursive query

    3. Check the reverse lookup zone for proper connections

    4. Restrict zone transfers to authorized computers

Objective 3.5.3.6: NNTP Servers

  1. Which of the following servers allows for a high volume of group network traffic and is a potential source for malicious code or DoS?

    1. FTP server

    2. NNTP server

    3. DNS server

    4. File and Print server

  2. Which one of the following is an easy way to protect an NNTP server from malicious attacks?

    1. Implement a firewall protection plan on the NNTP server

    2. Use a bastion host on the NNTP server

    3. Implement virus scanning on the NNTP server

    4. Turn off the NNTP server, because there is no way to protect a NNTP server from malicious attacks

Objective 3.5.3.7: File/Print Servers

  1. Because networks were created to share resources, file and print servers announce network shares by default. Which of the following provides the best hardening technique for file and print servers?

    1. Limit access to less than ten users at a time

    2. Configure network shares to the default settings

    3. Evaluate and set each folder share for the appropriate file and folder permissions

    4. Audit all folders for successful access

Objective 3.5.3.8: DHCP Servers

  1. What is the primary network security concern with DHCP servers?

    1. Statically configured clients have the same address as DHCP clients

    2. A cracker pretending to be the DHCP server, maliciously spoofs DHCP clients

    3. The DNS server can be vulnerable to DHCP changes, causing clients to disconnect

    4. The router is no longer available to DHCP clients

  2. Which of the following could pose a conflict of IP addressing for clients on your network, thereby removing them from your zone?

    1. A primary DHCP server

    2. A secondary DHCP server

    3. A rogue DHCP server

    4. An Active Directory DHCP server

Objective 3.5.3.9: Data Repositories

  1. Which of the following are used as large Data Repositories? (Select all that apply.)

    1. SAN

    2. WAN

    3. NAS

    4. DEN

Objective 3.5.3.9.1: Directory Services
  1. Which of the following is considered a Directory Service?

    1. Lightweight Directory Access Protocol (LDAP)

    2. Heavyweight Directory Access Protocol (HDAP)

    3. Hierarchical Directory Access Protocol (HDAP)

    4. Local Directory Access Protocol (LDAP)

Objective 3.5.3.9.2: Databases
  1. Which of the following databases have this default security vulnerability: The "sa" account is established with a blank password?

    1. LDAP

    2. SQL

    3. Proxy

    4. Exchange

  2. Which of the following is the best definition for the term polyinstantiation?

    1. Many instances or copies of a file

    2. Keeping database information hidden

    3. Many instances or copies of a database

    4. Lower-level databases have access to many upper-level databases

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