Title: Exam 2
Course: CIS 208: Linux/UNIX III: Intermediate System Administration, Networking, and Security ~ For IGNITE Review

Q: A certificate authority needs to have a certificate.
- True
- False
A: True

Q: The "AllowOverride None" option in apache:
- improves performance on a webserver.
- disables .htaccess files.
- enables mysql connections.
- can appear in the httpd.conf file.
A: improves performance on a webserver.; disables .htaccess files.; can appear in the httpd.conf file.

Q: NameVirtualHost:
- is an option for php.
- is configured in /etc/my.cnf.
- allows multiple hostnames to share the same IP address.
- is configured in /etc/php.ini.
A: allows multiple hostnames to share the same IP address.

Q: Mysql maintains an internal list of users to secure access to databases.
- True
- False
A: True

Q: MBR refers to:
- the Multiple Boot Referrence.
- the Master Boot Record.
- the Magic Binary Receptacle.
- the Microsoft Binding Relator.
A: the Master Boot Record.

Q: Good documentation for recovery procedures is critical because:
- it ensures that a recovery can be performed successfully.
- another person may need to perform a recovery.
- it may be difficult to remember details when under pressure.
- it may be difficult to remember details when wakened at night.
A: it ensures that a recovery can be performed successfully.; another person may need to perform a recovery.; it may be difficult to remember details when under pressure.; it may be difficult to remember details when wakened at night.

Q: What should be verified after performing a bare metal recovery?
- System is able to boot.
- Filesystems are mounted without errors.
- Services start automatically.
- All of the other options.
A: All of the other options.

Q: An effective way to test a bare metal recovery is to:
- create custom documentation.
- restore a server to a new virtual machine.
- verify the log files from a successful backup.
- erase the hard drives in a server then perform a recovery.
A: restore a server to a new virtual machine.

Q: When performing a test bare metal recovery, it is best to:
- turn off all services immediately after the host has booted.
- disable the network connections prior to booting.
- select a new IP address prior to booting.
- turn off all services prior to booting.
A: disable the network connections prior to booting.

Q: SMTP connections are made on TCP port:
- 21.
- 25.
- 443.
- 445
A: 25.

Q: An incoming mail relay:
- is typically placed in a DMZ.
- listens on TCP port 125.
- filters unwanted email.
- forwards email to an outbound email relay.
A: is typically placed in a DMZ.; filters unwanted email.

Q: Which of these programs are open source MTAs?
- sendmail
- Exchange
- procmail
- postfix
A: sendmail; postfix

Q: Which program is best suited for diagnosing email delivery problems?
- nmap
- curl
- telnet
- top
A: telnet

Q: The logging level of an application should be set to debug:
- when investigating slow response times.
- only temporarily, until a problem is identified.
- only if the current logs are not sufficient.
- all the time.
A: when investigating slow response times.; only temporarily, until a problem is identified.; only if the current logs are not sufficient.

Q: By default, sar data is kept for:
- one month
- one week
- two weeks
- one year
A: one month

Q: A "false positive" in Nagios is:
- a misconfigured file in /etc/nagios/positive.
- an alert for a problem that doesn't exist.
- also called a "true negative".
- any alert for any service using UDP.
A: an alert for a problem that doesn't exist.

Q: DHCP can provide:
- an IP address.
- a kernel image.
- an init ramdisk image.
- a kickstart file.
A: an IP address.

Q: In puppet, a manifest:
- lists the contents of a policy.
- contains a policy describing the desired state of a computer.
- is a command to be run only by the user puppet.
- is a shell script.
A: contains a policy describing the desired state of a computer.

Q: Help is available for puppet commands by running "puppet help".
- True
- False
A: True

Q: VirtualBox requires a 64 bit CPU with support for virtualization.
- True
- False
A: False

Q: Which command is used to convert disk images from one type to another?
- qemu-img
- virsh convert
- virsh disk convert
- dd
A: qemu-img

Q: VirtualBox:
- is open source software.
- is provided by Oracle.
- runs on 32 or 64 bit kernels.
- does not have a graphical interface.
A: is open source software.; is provided by Oracle.; runs on 32 or 64 bit kernels.

Q: Guest virtual machines for libvirt can be imported from:
- an image of a hard drive.
- a VMWare .vmdk file.
- a VirtualBox .vdi file.
- a MAC address.
A: an image of a hard drive.; a VMWare .vmdk file.; a VirtualBox .vdi file.

Q: The virt-install command:
- is used to import a virtual machine.
- can create a new virtual disk file.
- can use an existing virtual disk file.
- requires a source for installation media.
A: can create a new virtual disk file.; can use an existing virtual disk file.; requires a source for installation media.