Cyber Support Journeyman Vol 2
3DXXX
- 1.What layer of the Open System Interconnect model defines the electrical, mechanical, procedural, and functional specifications for links between communication network systems?
- A.
Physical
- B.
Data Link
- C.
Network
- D.
Transport
- 2.The computing part of the computer is the central processing unit, also called the
- A.
Control unit
- B.
Minicomputer
- C.
Microprocessor
- D.
Arithmetic logic unit
- 3.What are two main componets make up the central processing unit?
- A.
Control unit and read-only memory
- B.
Control unit and arithmetic logic unit
- C.
Arithmetic logic unit and read-only memory
- D.
Arithmetic logic unit and random access memory
- 4.What is the type of memory that retains data after power is removed or lost?
- A.
Volatile
- B.
Nonvolatile
- C.
Secured
- D.
Unsecured
- 5.Which landline transmission medium is the primary carier of voice communications?
- A.
Twisted pair cable
- B.
Fiber optic cable
- C.
Coaxial Cable
- D.
Twinax cable
- 6.An optical communications system is comprised of a
- A.
Transmitter, cable and receiver
- B.
Transmitter, cable, and logic analyzer
- C.
Transmitter, transmission medium, and logic analyzer
- D.
Transmitter, transmission medium, and protocol analyzer
- 7.Which of the following is not one of the three advantages to using wireless technology?
- A.
Ease of installaiton
- B.
Lower cost
- C.
Safety
- D.
Mobility
- 8.The ability to move about without being tethered by wires in wireless technology is called
- A.
Mobility
- B.
Ease of installations
- C.
War driving
- D.
Motion capture technolgoy
- 9.Which of the following is not one of the four security threats to Wireless Local Area Network?
- A.
Rogue Access Points
- B.
Direct Connections
- C.
War Drivers
- D.
Hackers
- 10.Who is an authorized client that may unknowingly or maliciously help outside parites gain access to a network?
- A.
Auditor
- B.
Employee
- C.
War Driver
- D.
Hacker
- 11.What organization developed several wireless standards to meet the demands of security, speed, and flexibility of today's wireless networks?
- A.
Institute of Electrical Elctronics Engineers
- B.
International Organization for Standardization
- C.
Internet assigned numbers authority
- D.
National Science Foundation network
- 12.How many peripherals can a Universal Serial Bus handle at once?
- A.
127
- B.
128
- C.
227
- D.
228
- 13.How many devices can connect to FireWire bus?
- A.
63
- B.
64
- C.
65
- D.
66
- 14.What do you apply across Liquid Crystal Display material to change the alignment and light polarizing property>
- A.
Current
- B.
Voltage
- C.
Resistance
- D.
Inductance
- 15.What is a Data Link layer network device that logically separates a single network into two segments or collision domains in Ethernet networks?
- A.
Hub
- B.
Bridge
- C.
Switch
- D.
Router
- 16.What rule establishes the percent of data that should be local to a segment and the percentage of data that should be destined to traverse a bridge to the other segment?
- A.
90/10 rule
- B.
80/20 rule
- C.
70/30 rule
- D.
60/40 rule
- 17.This type of bridge is used to convert one Data Link layer protocol to another
- A.
Cross route
- B.
Transparent
- C.
Translational
- D.
Source route
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