Networking Quiz

Passing grade is 70% = C.

1) The maximum number of nodes per segment depends on the………_.?

a) Bandwidth
b) Desired throughput
c) Regeneration ability
d) Attenuation

2) Information can be transmitted via one of_______siganlling method(s).

a) One
b) Two
c) Four
d) Five

3) IEEE designates Thicknet as_______Ethernet.

a) 10Base5
b) 10BaseT
c) 10Base10
d) 10Base2

4) Vertical connectors between floors are known as_______.

a) Spans
b) Riser
c) Lift

5) ________ensure(s) that data are transferred whole, in sequence, and without error from one node on the network to another.

a) Data Packets
b) Addressing
c) Protocol
d) File services

6) The maximum segment lenght on a 10BaseT network is_______meters.

a) 10
b) 50
c) 100
d) 1000

7) The first networks transmitted data over thick, heavy coaxial cables.

a) True
b) False

8) Which cannot support full-duplexing?

a) 100BaseT4
b) 10BaseT
c) 100BaseTX

9) Which is not an exmple of transmission media?

a) Wire
b) Coaxial cable
c) Radio waves
d) Fiber Optic
e) None of the above

10) Mail services requires a significant commitment of technical support and administration and resources due to their_______.

a) Instability
b) Access ability
c) Routing capability
d) Heavy use

11) WAN requires the same technology as LAN.

a) True
b) False

12) Mail services can only run one kind of system.

a) True
b) False

13) On modern networks, the transceiver are separate from the NICs.

a) True
b) False

14) You can mix 100BaseTX and 1000BaseT4 on a single network segment.

a) True
b) False

15) How many layers in the OSI model?

a) 5
b) 7
c) 6
d) 8
e) 4

16) Which device act as a traffic cop?

a) Router
b) Hub
c) Switch
d) Modem

17) Collision occurs when two devices on the same network segment attempt to simultaneously transmit.

a) True
b) False

18) Fiber Optic cable conducts electricity.
a) True
b) False

19) What is SMTP?

a) Simple Mailer transport protocol
b) Simple mail transport protocol
c) Single Mail transport protocol

20) An organization that share devices, saves______.

a) Money
b) Time
c) Space
d) All of the above

21) Peer-to-Peer network are not flexible.

a) True
b) False

22) Windows 98 does not qualify as a netowrk-operating system.

a) True
b) False

23) The computer you are controlling or working via a network.

a) remote computer
b) local computer
c) standalone computer
d) host computer

24) You should always try to pull all networks services on a single server.

a) True
b) False

25) HTTP is the protocol use to view web pages.

a) True
b) False

26) A network of computers and other devices that is confined to a relatively small space.

a) Global network
b) Local area network
c) Peer-to-Peer network
d) Metropolitan network

27) What layer of OSI does the encryption/decryption?

a) Network layer
b) Presentaion layer
c) Application layer
d) Data Link layer

28) E-mail use communication protocol.


29) What is the default port number for SMTP?

a) 21
b) 22
c) 28
d) 25

30) What is the default port number for FTP?

a) 21
b) 25
c) 18
d) 20

31) What is the default port number for Web server such as IIS and Apache?

a) 60
b) 55
c) 80
d) 70
e) 26

Linux Quiz (Submit your Answer)

1) You forget the root password. You decide to reboot using a boot disk floppy. What do you need to do to recover the root password?

a) Mount the main partition, edit the /etc/passwd file to remove the root password, reboot.

b) Mount the root partition, edit the /etc/passwd file to remove the root password, reboot.

c) Mount the main partition, edit the /tmp/passwd file to remove the root password, reboot

d) Mount the root partition, edit the /etc/passwds file to remove the root password, reboot

e) none of the above

2) The previous system administrator put useless messages at login, what file do you edit to change the system message?

a) /etc/motd
b) /etc/str
c) /etc/strtms
d) /etc/.conf

3) Users on your network cannot print to a Linux printer. You decide to restart the printer daemon, which command would achieve that?

a) topq printer-name
b) enable printer-name
c) restart printer-name
d) up printer-name

4) Which file does Linux use to resolve hostnames?

a) /etc/hostname.conf
b) /etc/dns.conf
c) /etc/host.conf
d) /etc/resolve.conf

5) What is "tin"?

a) Terminal Interpreter
b) The command to change the time
c) The command to compare text files
d) A newsreader

6) What are the file attributes for executing Perl programs?

a) 666
b) 755
c) 766
d) 777

7) What is bash?

a) Something you do to a watermelon
b) A command to delete multiple files
c) A network bit format
d) A command shell

8) What is the DOS LPT1 port in Linux?

a) /dev/lpt0
b) /dev/lpt1
c) /dev/lp0
d) /dev/lp1

9) What is the minimum memory requirements for XFree86?

a) 640K
b) 2MB
c) 4MB
d) 8MB
e) 16MB

10) You attempt to remove a directory, but Linux won't allow you, what is the most likely problem?

a) The directory name contains illegal characters
b) You are not logged in as root
c) The hard disk is full
d) The directory is not empty
e) None are likely problems

11) From a command prompt, what does the command "ls" do?

a) Lists the settings of the OS
b) Lists the contents of the directory
c) List command to list contents of files
d) Finnish words, means to direct a file to a port
e) None of the Above

12) Which command creates a file system?

a) fdisk
b) crfs
c) mkfs
d) fs

13) What is the default administrator username?

a) administrator
b) admin
c) superuser
d) root
e) head

14) Which of the following are valid Linux wildcards? (Choose all that apply)

a) * and ?
b) /
c) ?
d) &
e) Z

15) What does the command "ps" do?

a) Prints the directory
b) Shows what processes are running
c) Print status of LPT1
d) Produces system statistics
e) None of the above

16) You are working in Linux when a program hits a flaw and stops running. Which command can be used to end the process?

a) kill
b) stop
c) end
d) wait

17) A user is logged into the Linux workstation, what is the best way to login to root from a shell prompt?

a) login root
b) chuser root
c) su
d) root

18) Linux allows filenames up to what number of characters?

a) 8
b) 11
c) 256
d) 512
e) Unlimited

19) T/F: The command "pwd" displays the directory

a) True
b) False

20) T/F: To move files, use the "move" command.

a) True
b) False

Enable Administrator in Welcome Screen

When you install Windows XP an Administrator Account is created (you are asked to supply an administrator password), but the "Welcome Screen" does not give you the option to log on as Administrator unless you boot up in Safe Mode.
First you must ensure that the Administrator Account is enabled:
1. Open Control Panel
2. Open Administrative Tools
3. Open Local Security Policy
4. Expand Local Policies
5. Click on Security Options
6. Ensure that Accounts: Administrator account status is enabled.

Then follow the instructions from the "Win2000 Logon Screen Tweak" ie;
1.Open Control Panel
2. Open User Accounts
3. Click Change the way users log on or log off
4. Un-tick Use the Welcome Screen
5. Click Apply Options
You will now be able to log on to Windows XP as Administrator in Normal Mode.

How to remove Newfolder.exe virus

What is NewFolder.exe virus?

New Folder.exe virus disables task manager, disables registry editor, disables folder options, and disables run option from start menu. Virus creates exe files like the icon of folders with the same name as the name of the folder, it also consumes more than 50 % of your processor usage so slows down your computer.

we can remove this virus without formatting the drive.

Manual Method:

You need delete a file named svichossst.exe where ever you find this file on your system

Remove the following keys from registry

“Yahoo Messengger”=

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
“Shell”=”Explorer.exe “

We hope at least one of the above method given above will help you fix the trouble.

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