Objective 3.2: Media
Which of the following are types of network cabling? (Select all that apply.)
Twisted pair
Token ring
Fiber optic
Coaxial
For which one of the following situations would a crossover cable be effective?
Between a modem and a computer
Between a hub and a computer
Between two computers
Between a switch and a router
What does CSMA represent?
Carrier Sensing Minimal Access
Carrier Sensing Multiple Access
Carrier Sense Minimal Access
Carrier Sense Multiple Access
Objective 3.2.1: Coax
Which of the following is a type of coax cabling transmission method? (Select all that apply.)
Baseband
Broadband
CSMA/CD
CSMA/CA
Which of the following is the greatest advantage of coax cabling?
High security
Physical dimensions
Long distances
Easily tapped
Which one of the following types of coax cabling has two outer conductors, or shields, and offers greater resistance and decreased attenuation?
STP coax
Dual-shielded coax
Multi-shielded coax
Bi-coax
Objective 3.2.2: UTP/STP
Which of the following can transmit data at speeds of up to 16 Mbps?
Category 1 UTP
Category 2 UTP
Category 3 UTP
Category 4 UTP
Which of the following is not a property of twisted-pair cabling?
Twisted-pair cabling is a relatively low-speed transmission
The wires can be shielded
The wires can be unshielded
Twisted-pair cable carries signals as light waves
What is the media standard for most local network installations?
Fiber
CAT 3
CAT 5
Thinnet
Objective 3.2.3: Fiber
Which of the following is not a property of fiber optic cabling?
Transmits at faster speeds than copper cabling
Easier to capture a signal from than copper cabling
Very resistant to interference
Carries signals as light waves
What does fiber use to transmit data?
Vibrations
Sound
Electrical current
Light
Which of the following network cabling would you choose to install around a noisy room where machines were constantly running?
Fiber
STP
Coax
UTP
You've been told about radio frequency eavesdropping and want to protect your network from this threat. Which of the following media types would you choose in this situation?
UTP
STP
Coax
Fiber
Which of the following is most resistant to electrical and noise interference?
STP
UDP
Coax
Fiber
Which of the following is capable of conducting modulated light transmissions?
Category 3 UTP
Category 5 UTP
Fiber
Coax
Which of the following is the most expensive to install and terminate?
Fiber optic
Coaxial cable
Category 4 UTP
Category 5 UTP
Objective 3.2.4: Removable Media
What is the best way to avoid a catastrophic loss of computer data?
Make backup copies of data
Save all data to floppy disks
Encrypt the data and backup to CD-R
Check for viruses and worms
Which of the following are examples of magnetic storage media? (Select all that apply.)
Zip disk
CD-ROM
Floppy disk
DVD
Which of the following has the largest storage capacity for removable media?
Floppy disk
CD-ROM
DVD
Partitioned space
Objective 3.2.4.1: Tape
Which of the following are concerns when using tape as a backup method? (Select all that apply.)
You are unable to reuse the data
It is extremely difficult to restore the data
If a crash occurs, you may have to reenter data
Data transfers during restores may be slow
Which of the following media is one of the oldest media designed to store data, but should be carefully checked with antivirus software before restoration?
Magnetic tape
Laptops
Hard drives
CDR
Objective 3.2.4.2: CDR
Which of the following media is a relatively new media designed to store data, but should be carefully checked with antivirus software before restoration?
Magnetic tape
Laptops
Hard drives
CDR
Objective 3.2.4.3: Hard Drives
Your company has decided to dispose of a few of the older computers that once stored critical data. What should you do first?
Use Western Digital Clear (wdclear) to low-level format the hard disk
Use FIPS to overwrite all data on the hard disk with zeroes
Use a demagnetizer to demagnetize the hard disk
Remove all the files and folders on the hard disk
Which of the following media is used for fault tolerant RAID arrays?
Magnetic tape
Laptops
Hard drives
CDR
Objective 3.2.4.4: Diskettes
Which of the following are one of the greatest sources of viruses, which are also a small type of media that are frequently carried from one computer to another?
Hard drives
Smartcards
Flashcards
Diskettes
Objective 3.2.4.5: Flashcards
Which of the following devices are also known as memory sticks?
Flashcards
Hard drives
CDR
Diskettes
Objective 3.2.4.6: Smartcards
Which of the following devices provides secure, mobile storage of users' Private keys in a PKI?
Flashcard
Smartcard
Public key
Session key
Which one of the following is the most dependable authentication tool?
Flashcards
Smartcards
Memory cards
Authentication cards