Computer Test for IS Help Desk Assistant Post ~ مدونة دراسات

Computer Test for IS Help Desk Assistant Post

Section I (40 Marks)

1. What is bandwidth? (4 Marks)

2. What is cache memory? (4 Marks)

3. What is fragmentation and, how does it degrade system performance? (4 Marks)

4. What is the use of the following commands: (8 Marks)

A. Ping

B. Tracert

C. NSlookup

D. Scandisk

5. Describe the difference between the following: (10 Marks)

A. ROM and RAM.

B. FAT and NTFS

C. Peer-to-peer and a server-based network

D. Synchronous and asynchronous communication

E. Incremental and Differential Backup

6. What are the following standing for: (10 Marks)

-SQL :

-DNS :

-FTP :

-URL :

-HTML :

-HTTP :

-WAN :

- SMTP :

- SNMP :

- TCP/IP :

Section II (60 Marks)

1. A user calls and states that her computer will not boot. She hears noises and sees lights inside the box, but nothing shows up on the monitor. Which on the following is most likely the problem?

A. Power Cable

B. Video Card

C. Power Supply

D. HDD

2. With respect to a Network Interface Card(NIC) what does the term 10/100 refers to?

A. Megabytes per second

B. Fiber Optic Speed

C. Megabits per second

D. Minimum and Maximum speeds

3. Which is not full-duplex communication?

A. USB

B. IEEE 1394

C. Parallel

D. Serial

4. Which device is needed to extend a 10Base2 network beyond the maximum segment distance?

A. Extenders

B. Repeaters

C. Converters

D. Expenders

5. Which of the following cable types is required for 100BaseT cable?

A. Cat 3

B. Cat 5

C. Cat 1

D. Cat 2

6. Transferring multiple bits of data over several conductors at one time is what type of communication?

A. Duplex

B. Parallel

C. Serial

D. SCSI

E. Multiplex

F. Analog

7. PCI cards need IRQs.

A. False

B. True

8. When the files on your drive are not stored in consecutive cluster, it is said to be?

A. Clustering

B. Dirty

C. Fragmented

D. Formatting

9. What is the most popular type of modem protocol?

A. Xmodem

B. Null Modem

C. Zmodem

D. Ymodem

10. At what location on the hard derive will you find Master boot record?

A. Cylinder 0, Head 1, Sector 1

B. Cylinder 0, Head 0, Sector 0

C. Cylinder 0, Head 0, Sector 1

D. Cylinder 1, Head 1, Sector 1

11. If your hard drive light is constantly blinking while you are using one of the applications, this could be a sign of what?

A. That you need to add RAM

B. The IDE cable is loose

C. The IDE cable is backwards

D. A virus has been detected

12. What dose Full Duplex mean?

A. Transmit then receive

B. Simultaneous Transmit and Receive

C. Receive the Transmit

D. Receive Only

13. Your computer is connected to a hub with a 10 BaseT patch cable. You are unable to connect to other computers on the network. The green link light is lit on all hub ports except the one to which your computer is attached. Hardware diagnostics on your computer’s network interface card indicate no problems. When a different computer is plugged into that port, the green link light comes on. What is the most likely cause of the problem?

A. Faulty Patch Cable

B. Network congestion

C. Faulty NIC

D. Server malfunction.

14. Select all true statements: (Choose two answers)

A. Com2 and Com3 share the same IRQ

B. Com2 and Com4 share the same IRQ

C. Com1 and Com3 share the same IRQ

D. Com1 and Com4 share the same IRQ

15. How would you connect two PC’s together by usinf a UTP network cable?

A. Category 5 UTP cable

B. Straight-through cable

C. Crossover cable

D. Standard UTP cable

16. Which of the following devices does SCSI support? (Choose three answers)

A. HDD

B. CD-ROM

C. Tape Drive

D. Modem

E. Video Card

F. Sound Card

17. You have 2 hard drives installed on your primary EIDE controller. You install a CD-ROM on your secondary EIDE controller. What jumper setting would you use for the CD-ROM?

A. President

B. Proletariat

C. Master

D. Slave

18. You have an older PC that only has one IDE interface hard drive and one IDE CD-ROM drive are also installed on the PC. Hoe should you add a second IDE hard drive?

A. Install an add-on IDE interface card

B. Install a SCSI card

C. Use an IDE cable that has extra connections on it

D. Use the existing free connector on the floppy drive cable

19. The COM 2 and COM 4 serial port setting are normally assigned to________?

A. IRQ 4

B. IRQ 1

C. IRQ 2

D. IRQ 3

20. What type of port communicates information to a peripheral device one bit at a time?

A. SCSI

B. USB