Professor Messer

What command line utility checks for availability?

Professor Messer — Wed, 10 Mar 2010 13:00:11 +0000

You’d like to verify that a computer across the network is operating. What command line utility can check the remote device for availability?

A) cmd

B) telnet

C) ipconfig

D) ping

E) cowbell

What can protect you on a public network?

Professor Messer — Tue, 09 Mar 2010 13:00:33 +0000

You’re interested in doing some work on your laptop at the local coffee shop, but you’re concerned with the security of the public wireless network. What can help protect your computer while you’re using this public network?

A) Two-factor authentication

B) DSL router

C) Personal firewall

D) Peer-to-peer networking

E) A big stick

Which topology is this?

Professor Messer — Mon, 08 Mar 2010 13:00:16 +0000

Which topology was often seen on early local area networks, has a very simple structure, but is prone to errors that can affect large parts of the topology at one time?

A) Bus

B) Star

C) Ring

D) Hybrid

E) Parallelogram

220-701: 1.2 – Chipsets

Professor Messer — Mon, 08 Mar 2010 05:08:37 +0000

If you look closely at a motherboard, you’ll see interfaces, connections, and many different chipsets. In this module, you’ll learn about these various chipsets and their interrelations.

220-701: 1.2 – RAID

Professor Messer — Mon, 08 Mar 2010 04:55:12 +0000

RAID arrays are common ways to provide high-throughput and redundancy for groups of hard drives. In this module, you’ll learn how the different RAID technologies can be used to build large-scale storage infrastructures. You’ll also learn the advantages and disadvantages of the different RAID technologies and how hardware and software RAID compares.

Professor Messer’s CompTIA A+ Pop Quiz Archives

Professor Messer — Sat, 06 Mar 2010 05:41:19 +0000

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Why is your CPU so hot?

Professor Messer — Fri, 05 Mar 2010 13:00:32 +0000

You’ve been monitoring your computer, and you’ve found that the temperature of your CPU is running very hot even though your computer is showing very low CPU utilization. Which of these options would be the most likely cause of this issue?

A) The CPU is faulty

B) The video card is producing excessive heat

C) The computer cooling fans are blocked or faulty

D) The memory modules are faulty

E) We’ve secretly replaced your CPU with Folgers coffee

Which cables do you need?

Professor Messer — Thu, 04 Mar 2010 13:00:38 +0000

A “road warrior” is stocking up their laptop computer case for a road trip, and they’ve asked you for a set of cables that could be used for hotel Ethernet links and the occasional dial-up connection. What kind of cables/connectors do they need? Pick two.

A) USB

B) RJ-45

C) RJ-11

D) FireWire

E) Delicate Copper Wire

Which RAID type is redundant and efficient?

Professor Messer — Wed, 03 Mar 2010 13:00:51 +0000

Which of these RAID types not only provides a high level of availability, but also allows efficient access to data when a failure occurs??

A) RAID 0

B) RAID 1

C) RAID 5

D) RAID 55

E) ULDUAR

What is unique to NTFS?

Professor Messer — Tue, 02 Mar 2010 13:00:44 +0000

The NTFS file system provides a number of impressive capabilities. Which of the following features is unique to NTFS when compared to FAT or FAT32?

A) Native support in Windows 2000 and newer

B) File system level encryption

C) 2 terabyte volume sizes

D) Maximum file size of 4 gigabytes

E) Has the uncanny ability of predicting six more weeks of Winter