Zetworking Chapter 15.1 to 15. Questions

What is the air exchange rate for server room?

20 to 30 times an hour.

When you enable logging for security level 4, what additional messages are received?

4 - 0

What are the best temperature and humidity ranges for electronic components?

68 Degrees and 50 to 65 percent humidity.

What is the difference between a hotfix and a service pack?

A hotfix is just one update were as a service pack is a collection of hotfixes.

How does a load tester differ from a throughput tester?

A load tester simulates a load on a server or service where a throughput tester tests to see how large that load can be before overloading the system.

What is a trap?How can you use a trap in a network administration?

A trap is an SNMP agent threshold you can set so when one is exceeded, a message is sent via UDP port 162

Which log messages are sent to the console by default for a Cisco Device?

All log messages for all levels of severity are sent to the console.

What is the difference between an SPS and a UPS?

An SPS is an offline device that only switches to battery when an under-voltage occurs while a UPS provides constant battery power and is recharged by the wall outlet.

In Windows 8.x, which application do you use to backup user account files?

Backup and restore in command console.

Why doesn't the community name provide security for SNMP devices?

Because its not a password, Its like a VLAN separating the devices in each community.

Why should you enable logging only for specific events?

Because otherwise there can be way too many events to look through.

How does a brownout differ from a blackout?

Blackout is complete power failure while a brownout still has power, but is much lower than the standard level.

How does a remote desktop protocol minimize the data sent between the client and server devices for a remote connection?

By only pushing upated graphical parts of the interface that have actually changed instead of a constant stream of the screen.

What can you do to prevent malware from a mobile device from spreading?

Create a BYOD guest network that is quarantined from the rest of the network infrastructure.

What is the difference between a data backup and a server backup?

Data backup is just the digital content that's been saved additionally, usually using a server back up, the physical machine to do so. May also include the system image.

What are the differences between hot, warm and cold sites?

Degrees of updated information and price. Hot is a duplicate of your primary site with real-time synchronization to back up data, Warm doesn't update as frequently and might take a few days of recovery. Cold is usually just stored data that is infrequently updated, usually doesn't contain running hardware.

What must you do to configure a packet sniffer to be able to see all frames on a subnet?

Enable promiscuous mode

What is device redirection? How does it add flexibility to remote desktop connections?

Forwards the printing, sound and storage from the server to the client so those services aren't being done at the far end of the connection.

How does backing up your server to an internal disk differ from backing up to an external disk?

If you use an internal disk and it fails, theres no way to get that all back where as if you use something external, it will always exist even if your computer explodes.

What does windows Update do?

It automatically checks for, downloads and installs updates.

What is the role of the MIB when using SNMP?

It defines and organizes the variables that agents will collect on their own and what data it will gather from the agents.

What does flashing do to firmware?

It updates and replaces information on controller chips.

How is the community name used with SNMP?

Its like a VLAN where everything inside that community communicates to one another.

What does the logging process do?

Keeps track of device changes by saving it into a message or sending it off to a server.

How can you use a remote desktop solution for troubleshooting and technical support within your organization?

Lets you connect digitally to any computer on the network and address issues without actually going there to do it.

How should hot and cold aisles be set up for optimal air circulation?

Make sure exhaust is filed at each other so one server isn't sucking in another's hot exhaust.

What can you use to remotely clear data from a mobile device?

Mobile Device Management (MDM) or similar service depending on the device type can be used for this.

What permissions do you need to perform a backup?

Must have full control permissions to share the NTFS permissions of the destination folder and have administrative privileges.

Where can you go to find updates for applications or drivers?

On the manufacturer's websites, third party applications and hardware. Windows won't always have

What should your acceptable use policy specify?

Personal use, security level depending on secure data, normal hour use, location use inside your business, remote wipe, encryption, authentication, lockout, and acceptable use prohibiting irresponsible, illegal or malicious use.

How does remote desktop software differ from terminal emulation software?

Remote dekstop software runs directly through the network to bring up the system's GUI onto a different computer. Terminal emulation lets you emulate a terminal through the network to control it just as if you were there.

What is the difference between Telnet and SSH?

Telnet is not secure like SSH is.

After you configure system logging, what else must you do to take advantage of logging's benefits?

Use a logging analyzer to review the logs for making identifying specific key pieces of information more noticeable.

Which type of server backup is for recovering only critical volumes?

Warm Site

What information is provided in the facility component of the log message?

What device the message was generated on.