20 Tech Google Questions

Question 1

What are all the components in a PC or Server?

Answer 1

PC: chassi, system board, psu, cpu, ram, hdd, fans, cables, graphics card, dvd, monitor, keyboard/mouse Server: same with deduction of a extra graphics card (is one on the system board), and addition of hdd controller, possibly backplane, no cd/dvd, extra nic, double cpu, ram, psu, fans, remote monitoring/console.

Question 2

What protocol is used by ping?

Answer 2

ICMP (this is a sneaky question - an obvious fault is to go for TCP or UDP)

Question 3

How many IDE devices can you have in a PC?

Answer 3

two per channel (usually 4)

Question 4

How many can you have on each channel? What are they called?

Answer 4

2 / master and slave

Question 5

What is the resolution in Windows 2000 safe mode?

Answer 5

800x600 or 640x480?- see this link on mydigitallife or this post on tom’s hardware.

Question 6

What is a MAC address?

Answer 6

Media Access Control - a unique identifier for network devices. Used by many protocols

Question 7

What is the name of the Ethernet plug?

Answer 7

RJ45

Question 8

How do you recognize a broken hard drive without software or removing it from the machine?

Answer 8

1) Noise (tick tack sound of the arm getting stuck/hitting something) 2) Any leds on the disk, system board, controller 3) Any vibration or anything from the disk

Question 9

How do you find the first disk in a linux OS?

Answer 9

Look under /dev/ for a disk like /dev/sda(SATA) /dev/hda (PATA). Then /dev/sda1 is the first partition.

Question 10

Name two devices needed to make a network

Answer 10

switch and router (well, network card (NIC) and router should do it, or a switch and network card.. depends how big you want to make it, really i guess you can have a network with a crossover cable and two nics

Question 11

What is BIOS?

Answer 11

Basic input/output system. Responsible for initializing hardware, POST/startup diagnostics, boot the OS and varies hardware settings.

Question 12

What is the bit rate of a serial interface of a network device?

Answer 12

the default apparently in hyperterminal - 9600 (this might be tricky, in my experience this varies between the devices - max is probably 115200bps). Maybe what they are asking for is what is the default speed of a Cisco switch’s aux or console port? If so, the answer is 9600.

Question 13

What is the port used for HTTP?

Answer 13

80

Question 14

What is the difference between PCIe and PCI?

Answer 14

PCI-e is newer than PCI and PCI-x. The slots look different and they are not compatible.

Question 15

How many primary partitions can you have in DOS?

Answer 15

Four primary and maximum one active per disk

Question 16

What does HTTP stand for?

Answer 16

Hypertext Transfer Protocol

Question 17

What controls GPU CPU Mem at boot up? What is ROM?

Answer 17

Read Only Memory - Used for storing data that you do not want somebody to write to.

Question 18

Length of cat5 transmission?

Answer 18

100m

Question 19

What does NIC stand for?

Answer 19

Network Interface Card

Question 20

What is the standard type of filesystems now?

Answer 20

disk filesystem and network filesystems

Question 21

How would you create an EXT4 filesystem on the first partition of the first SCSI drive?

Answer 21

mkfs.ext4 /dev/sda1

Question 22

How do you get IP info from Linux or Windows?

Answer 22

“ip addr” or “ifconfig” in Linux and “ipconfig” in Windows

Question 23

What is the subnet mask for a Class B Network?

Answer 23

255.255.0.0